diff --git a/CoreAlgorithm.py b/CoreAlgorithm.py
new file mode 100644
index 0000000..fe1eaa0
--- /dev/null
+++ b/CoreAlgorithm.py
@@ -0,0 +1,485 @@
+import random
+from collections.abc import Mapping
+from encoding import EncodedNumber
+from util import invert, powmod, getprimeover
+
+DEFAULT_KEYSIZE = 1024   # 定义默认的二进制数长度
+
+
+def generate_paillier_keypair(private_keyring=None, n_length=DEFAULT_KEYSIZE):  # 生成公钥和私钥的函数
+    # 生成 Paillier 密钥对函数
+    p = q = n = None  # 初始化素数 p, q 和计算结果 n
+    length = 0         # 初始化计算结果 n 的长度 (即用二进制表示 n 所需要的二进制位数)
+
+    while length != n_length:             # 循环直至计算结果 n 的长度达到指定长度 n_length
+        p = getprimeover(n_length // 2)   # 随机生成一个 (n_length//2) 长的素数 p
+        q = p
+        while q == p:
+            # 确保 q 与 p 不相等
+            q = getprimeover(n_length // 2)  # 随机生成一个 (n_length//2) 长的素数 q
+        n = p * q  # 计算 n，即两个素数乘积
+        length = n.bit_length()  # 计算 n 的二进制长度
+
+    # 创建公钥对象
+    public_key = PaillierPublicKey(n)
+    # 创建私钥对象
+    private_key = PaillierPrivateKey(public_key, p, q)
+
+    if private_keyring is not None:         # 如果传入了私钥环对象，则将私钥添加到私钥环中
+        private_keyring.add(private_key)
+
+    return public_key, private_key  # 返回公钥和私钥
+
+
+class PaillierPublicKey(object):    # 定义公钥类
+    def __init__(self, n):
+        self.g = n + 1
+        self.n = n                   # 公钥的模数
+        self.nsquare = n * n         # n的平方
+        self.max_int = n // 3 - 1    # 公钥的一个属性（限制可加密/解密的最大整数值）
+
+    def __repr__(self):              # 用于打印出该类的对象
+        public_key_hash = hex(hash(self))[2:]
+        return "<PaillierPublicKey {}>".format(public_key_hash[:10])      # 返回表示对象的字符串
+
+    def __eq__(self, other):         # 用于比较两个对象是否相等，并返回比较结果
+        return self.n == other.n
+
+    def __hash__(self):              # 用于返回n的Hash值
+        return hash(self.n)
+
+    def get_n_and_g(self):                # 获取该公钥的 n 和 g 的值
+        return self.n, self.g
+
+    def raw_encrypt(self, plaintext, r_value=None):         # 用于返回加密后的密文，其中r_value可给随机数赋值
+        if not isinstance(plaintext, int):                  # 判断plaintext是否是整数
+            raise TypeError('明文不是整数，而是: %s' % type(plaintext))
+
+        if self.n - self.max_int <= plaintext < self.n:     # 对于非常大的明文，使用特殊的计算方法进行加密：
+            neg_plaintext = self.n - plaintext              # = abs(plaintext - nsquare)
+            neg_ciphertext = (self.n * neg_plaintext + 1) % self.nsquare
+            nude_ciphertext = invert(neg_ciphertext, self.nsquare)
+        else:           # 如果不是非常大的明文：
+            nude_ciphertext = (self.n * plaintext + 1) % self.nsquare   # (n + 1)^plaintext = n * plaintext + 1 mod n^2
+
+        # 生成一个随机数，其值为r_value。如果r_value没有值，则r随机：
+        r = r_value or self.get_random_lt_n()
+
+        obfuscator = powmod(r, self.n, self.nsquare)                # (r ^ n) mod n^2
+        return (nude_ciphertext * obfuscator) % self.nsquare        # 返回加密后的密文
+
+    def get_random_lt_n(self):          # 返回一个1——n间的随机整数
+        return random.SystemRandom().randrange(1, self.n)
+
+    def encrypt(self, value, precision=None, r_value=None):     # value表示要加密的值，precision是加密精度，r_value是随机数
+        # 判断value是否是EncodedNumber类型，如果是则直接赋值给encoding；如果不是，则对value进行编码
+        if isinstance(value, EncodedNumber):
+            encoding = value
+        else:
+            encoding = EncodedNumber.encode(self, value, precision)
+        return self.encrypt_encoded(encoding, r_value)
+
+    def encrypt_encoded(self, encoding, r_value):   # 将已编码的数值对象转换为加密后的数值对象，并可以选择进行混淆处理
+        obfuscator = r_value or 1       # 为随机数r_value，没有则默认为1
+        ciphertext = self.raw_encrypt(encoding.encoding, r_value=obfuscator)
+        encrypted_number = EncryptedNumber(self, ciphertext, encoding.exponent)
+
+        """ 
+        PS:默认生成情况下（不输入随机数r_value的情况下）：
+                encrypt中的随机数r_value为：None
+                raw_encrypt中的随机数为：1
+                encrypt_encoded中的随机数为：None
+        """
+
+        if r_value is None:         # 结合上述注释，可知：密文混淆函数是会默认执行的
+            encrypted_number.obfuscate()        # 如果encrypt_encoded没有随机数r_value，则进行密文混淆处理obfuscate()
+
+        return encrypted_number
+
+
+class PaillierPrivateKey(object):           # 私钥
+    def __init__(self, public_key, p, q):
+        if not p * q == public_key.n:       # 如果p * q 不等于 公钥的n，则说明出错
+            raise ValueError("所给公钥与p，q不匹配！")
+        if p == q:          # p，q相同
+            raise ValueError("p，q不能相同！")
+        self.public_key = public_key
+
+        # 给self的p q赋值：
+        if q < p:           # 默认是p 大于等于 q
+            self.p = q
+            self.q = p
+        else:
+            self.p = p
+            self.q = q
+        self.psquare = self.p * self.p
+        self.qsquare = self.q * self.q
+        self.p_inverse = invert(self.p, self.q)     # 计算p mod q 的乘法逆元
+
+        self.hp = self.h_function(self.p, self.psquare)     # p mod p方
+        self.hq = self.h_function(self.q, self.qsquare)     # q mod q方
+
+    def __repr__(self):                                 # 用于打印出该类的对象
+        pub_repr = repr(self.public_key)
+        return "<PaillierPrivateKey for {}>".format(pub_repr)
+
+    def decrypt(self, encrypted_number):                # 解密密文，并返回明文
+        # 执行下面这个语句前的类型为EncryptedNumber，执行完毕后类型为EncodedNumber（中间会变为int型的ciphertext）：
+        encoded = self.decrypt_encoded(encrypted_number)
+        return encoded.decode()
+
+    def decrypt_encoded(self, encrypted_number, Encoding=None):         # 用于解密密文并返回解密后的EncodedNumber类型
+        # 检查输入信息是否是EncryptedNumber参数，如果不是：
+        if not isinstance(encrypted_number, EncryptedNumber):
+            raise TypeError('参数应该是EncryptedNumber，'    
+                            ' 参数不能为: %s' % type(encrypted_number))
+
+        if self.public_key != encrypted_number.public_key:              # 如果公钥与加密数字的公钥不一致
+            raise ValueError('加密信息不能被不同的公钥进行加密！')
+
+        if Encoding is None:                                # 将Encoding设置为未赋值的EncodedNumber变量
+            Encoding = EncodedNumber
+
+        """提取 encrypted_number 中的 ciphertext 
+           这里是禁用安全模式，
+           所以是直接提取ciphertext，
+           随后调用raw_decrypt函数对ciphertext进行处理："""
+        encoded = self.raw_decrypt(encrypted_number.ciphertext(be_secure=False))
+
+        return Encoding(self.public_key, encoded,
+                        encrypted_number.exponent)
+
+    def raw_decrypt(self, ciphertext):              # 对密文进行原始解密
+        if not isinstance(ciphertext, int):         # 如果所给的密文不是int型
+            raise TypeError('密文应该是int型, 而不是: %s' %
+                            type(ciphertext))
+
+        # 将解密结果存放在p和q中，并将p q进行合并：
+        decrypt_to_p = self.l_function(powmod(ciphertext, self.p - 1, self.psquare), self.p) * self.hp % self.p
+        decrypt_to_q = self.l_function(powmod(ciphertext, self.q - 1, self.qsquare), self.q) * self.hq % self.q
+        return self.crt(decrypt_to_p, decrypt_to_q)
+
+    def h_function(self, x, xsquare):       # 计算并返回h函数值[用于中国剩余定理]
+        return invert(self.l_function(powmod(self.public_key.g, x - 1, xsquare), x), x)
+
+    def l_function(self, mju, p):             # 计算并返回l值（算L(μ) ）
+        return (mju - 1) // p
+
+    def crt(self, mp, mq):                  # 实现中国剩余定理(Chinese remainder theorem)
+        u = (mq - mp) * self.p_inverse % self.q
+        return mp + (u * self.p)
+
+    def __eq__(self, other):                # 判断两个对象的 q 与 p 是否相等
+        return self.p == other.p and self.q == other.q
+
+    def __hash__(self):                     # 计算 p 与 q 元组的哈希值
+        return hash((self.p, self.q))
+
+
+class PaillierPrivateKeyring(Mapping):          # 私钥环类，并继承了Mapping类
+    def __init__(self, private_keys=None):      # 初始化私钥环对象（私钥环列表）
+        if private_keys is None:
+            private_keys = []
+
+        # 将私钥和公钥进行组合，并存储在私钥环中：
+        public_keys = [k.public_key for k in private_keys]
+        self.__keyring = dict(zip(public_keys, private_keys))
+
+    def __getitem__(self, key):                 # 通过公钥，来查找私钥环中对应的私钥
+        return self.__keyring[key]
+
+    def __len__(self):                          # 存储的私钥数量
+        return len(self.__keyring)
+
+    def __iter__(self):                         # 遍历私钥环中的公钥
+        return iter(self.__keyring)
+
+    def __delitem__(self, public_key):          # 删除与公钥对应的私钥
+        del self.__keyring[public_key]
+
+    def add(self, private_key):                 # 向私钥环中添加私钥
+        if not isinstance(private_key, PaillierPrivateKey):     # 对要添加的私钥进行判断
+            raise TypeError("私钥应该是PaillierPrivateKey类型, "
+                            "而不是 %s" % type(private_key))
+        self.__keyring[private_key.public_key] = private_key    # 将该公钥和对用的私钥一块儿加入到私钥环中
+
+    def decrypt(self, encrypted_number):        # 对密文进行解密
+        relevant_private_key = self.__keyring[encrypted_number.public_key]  # 在私钥环中获取对应的私钥
+        return relevant_private_key.decrypt(encrypted_number)               # 返回加密结果
+
+
+class EncryptedNumber(object):          # 浮点数或整数的Pailier加密
+    """
+    1. D(E(a) * E(b)) = a + b
+    2. D(E(a)**b)     = a * b
+    """
+
+    def __init__(self, public_key, ciphertext, exponent=0):
+        self.public_key = public_key
+        self.__ciphertext = ciphertext      # 密文
+        self.exponent = exponent            # 用于表示指数
+        self.__is_obfuscated = False        # 用于表示数据是否被混淆
+        if isinstance(self.ciphertext, EncryptedNumber):            # 如果密文是EncryptedNumber
+            raise TypeError('密文必须是int型')
+        if not isinstance(self.public_key, PaillierPublicKey):      # 如果公钥不是PaillierPublicKey
+            raise TypeError('公钥必须是PaillierPublicKey')
+
+    def __add__(self, other):                   # 运算符重载，重载为EncryptedNumber与(EncryptedNumber/整数/浮点数)的加法
+        if isinstance(other, EncryptedNumber):
+            return self._add_encrypted(other)
+        elif isinstance(other, EncodedNumber):
+            return self._add_encoded(other)
+        else:
+            return self._add_scalar(other)
+
+    def __radd__(self, other):                  # 反加，处理整数/浮点数与EncryptedNumber之间的加法
+        return self.__add__(other)
+
+    def __mul__(self, other):                   # 运算符重载，重载为EncryptedNumber与(整数/浮点数)的乘法
+        # 判断other对象是否是EncryptedNumber，如果是：
+        if isinstance(other, EncryptedNumber):
+            raise NotImplementedError('EncryptedNumber 与 EncryptedNumber 之间不能相乘！')
+
+        if isinstance(other, EncodedNumber):
+            encoding = other
+        else:
+            encoding = EncodedNumber.encode(self.public_key, other)
+        product = self._raw_mul(encoding.encoding)          # 重新更新乘积
+        exponent = self.exponent + encoding.exponent        # 重新更新指数
+        return EncryptedNumber(self.public_key, product, exponent)
+
+    def __rmul__(self, other):                  # 反乘，处理整数/浮点数与EncryptedNumber之间的乘法
+        return self.__mul__(other)
+
+    def __sub__(self, other):                   # 运算符重载，重载为EncryptedNumber与(EncryptedNumber/整数/浮点数)的减法
+        return self + (other * -1)
+
+    def __rsub__(self, other):                  # 处理整数/浮点数与EncryptedNumber之间的减法
+        return other + (self * -1)
+
+    def __truediv__(self, scalar):              # 运算符重载，重载为EncryptedNumber与(EncryptedNumber/整数/浮点数)的除法
+        return self.__mul__(1 / scalar)
+
+    def __invert__(self):                       # 运算符重载~（对 数 的取反）
+        return self * (-1)
+
+    # def __pow__(self, exponent):                # 运算符重载 ** （对密文的幂函数）
+    #     if not isinstance(exponent, int):       # 如果输入有问题
+    #         print("指数应输入  整数  标量！")
+    #     else:
+    #         result = self
+    #         for i in [1, exponent]:
+    #             result *= self
+    #         return result
+    #     # 原本的幂运算 ** ；return self.value ** exponent
+
+    def ciphertext(self, be_secure=True):       # 用于混淆密文，并返回混淆后的密文
+        """
+        EncryptedNumber类的一个方法ciphertext，用于返回该对象的密文。
+        在Paillier加密中，为了提高计算性能，加法和乘法操作进行了简化，
+        避免对每个加法和乘法结果进行随机数的加密操作。
+        这样会使得内部计算快速，但会暴露一部分信息。
+        此外，为了保证安全，如果需要与其他人共享密文，应该使用be_secure=True。
+        这样，如果密文还没有被混淆，会调用obfuscate方法对其进行混淆操作。
+        """
+        if be_secure and not self.__is_obfuscated:        # 如果密文没有被混淆，则进行混淆操作
+            self.obfuscate()
+        return self.__ciphertext
+
+    def decrease_exponent_to(self, new_exp):    # 返回一个指数较低但大小相同的数（即返回一个同值的，但指数较低的EncryptedNumber）
+        if new_exp > self.exponent:
+            raise ValueError('新指数值 %i 应比原指数 %i 小！ ' % (new_exp, self.exponent))
+
+        multiplied = self * pow(EncodedNumber.BASE, self.exponent - new_exp)        # 降指数后的乘积
+        multiplied.exponent = new_exp                                               # 降指数后的新指数
+        return multiplied
+
+    def obfuscate(self):        # 混淆密文
+        r = self.public_key.get_random_lt_n()       # 生成一个(1——n)间的随机数r，不 ＞＝ r
+        r_pow_n = powmod(r, self.public_key.n, self.public_key.nsquare)     # (r ^ n) mod n^2
+        self.__ciphertext = self.__ciphertext * r_pow_n % self.public_key.nsquare   # 对原密文进行处理
+        self.__is_obfuscated = True                 # 用于判断密文是否被混淆
+
+    def _add_scalar(self, scalar):                  # 执行EncodedNumber与标量(整型/浮点型)相加的操作
+        encoded = EncodedNumber.encode(self.public_key, scalar,
+                                       max_exponent=self.exponent)
+        return self._add_encoded(encoded)
+
+    def _add_encoded(self, encoded):                # 对EncodedNumber与标量encoded加法编码
+        # 返回 E(a + b)
+
+        if self.public_key != encoded.public_key:       # 如果公钥与编码公钥不相同
+            raise ValueError("不能使用不同的公钥，对数字进行编码！")
+
+        a, b = self, encoded
+        # 对指数处理（使指数相同）：
+        if a.exponent > b.exponent:
+            a = self.decrease_exponent_to(b.exponent)
+        elif a.exponent < b.exponent:
+            b = b.decrease_exponent_to(a.exponent)
+
+        encrypted_scalar = a.public_key.raw_encrypt(b.encoding, 1)      # 用公钥加密b.encoding后的标量
+
+        sum_ciphertext = a._raw_add(a.ciphertext(False), encrypted_scalar)      # 进行相加操作
+        return EncryptedNumber(a.public_key, sum_ciphertext, a.exponent)
+
+    def _add_encrypted(self, other):                    # 对EncodedNumber与EncodedNumber加法加密
+        if self.public_key != other.public_key:
+            raise ValueError("不能使用不同的公钥，对数字进行加密！")
+
+        # 对指数处理（使指数相同）：
+        a, b = self, other
+        if a.exponent > b.exponent:
+            a = self.decrease_exponent_to(b.exponent)
+        elif a.exponent < b.exponent:
+            b = b.decrease_exponent_to(a.exponent)
+
+        sum_ciphertext = a._raw_add(a.ciphertext(False), b.ciphertext(False))
+        return EncryptedNumber(a.public_key, sum_ciphertext, a.exponent)
+
+    def _raw_add(self, e_a, e_b):                       # 对加密后的a，b直接进行相加，并返回未加密的结果
+        return e_a * e_b % self.public_key.nsquare
+
+    def _raw_mul(self, plaintext):                      # 对密文进行乘法运算，并返回未加密的结果
+        # 检查乘数是否为int型：
+        if not isinstance(plaintext, int):
+            raise TypeError('期望密文应该是int型, 而不是 %s' % type(plaintext))
+
+        # 如果乘数是负数，或乘数比公钥的模（n）大：
+        if plaintext < 0 or plaintext >= self.public_key.n:
+            raise ValueError('超出可计算范围: %i' % plaintext)
+
+        if self.public_key.n - self.public_key.max_int <= plaintext:
+            # 如果数据很大，则先反置一下再进行运算：
+            neg_c = invert(self.ciphertext(False), self.public_key.nsquare)
+            neg_scalar = self.public_key.n - plaintext
+            return powmod(neg_c, neg_scalar, self.public_key.nsquare)
+        else:
+            return powmod(self.ciphertext(False), plaintext, self.public_key.nsquare)
+
+    def increment(self):                              # 定义自增运算
+        return self + 1
+
+    def decrement(self):                              # 定义自减运算
+        return self + 1
+
+    def cal_sum(self, *args):
+        result = 0                                # 将初始值设置为0
+        for i in args:
+            if not isinstance(i, (int, float, EncryptedNumber)):
+                raise TypeError('期望密文应该是int/float/EncryptedNumber型, 而不是 %s' % type(i))
+            if isinstance(i, int or float):         # 如果是 int 或 float 明文型，则先将明文加密在进行运算
+                result += self.public_key.encrypt(i)
+            else:
+                result += i                          # 第一次循环：标量与密文相加；后面的循环，密文与密文相加
+        return result
+
+    def average(self, *args):                    # 定义求平均值
+        total_sum = self.cal_sum(*args)              # 计算总和total是<__main__.EncryptedNumber object at 0x000002AB74FB9850>
+
+        # # 如果总数超过了可计算范围
+        # if total_sum > 91000:
+        #     raise ValueError('超出可计算范围: %i' % total_sum)
+
+        count = 0                                # 定义count，用来统计参数的个数
+        for _ in args:
+            count += 1                           # count++
+        return total_sum / count
+
+    def weighted_average(*args):             # 定义加权平均
+        """ PS:
+            args[0]: <__main__.EncryptedNumber object at 0x000001F7C1B6A610>
+            args[1]: 第一个参数
+            args[2]: 给第一个参数设置的权值
+            。。。。。。
+        """
+        total_weight = sum(args[2::2])       # 计算权值的总和(使用切片操作从参数列表中取出索引为参数权值的元素)
+        if total_weight != 1:
+            raise TypeError("加权平均算法的权值设置错误！请重新设置！")
+        else:
+            # 计算加权和，其中：  for i in range(0, len(args), 2) 表示以2为步长，从0递增，直到 i >= len(args)时：
+            result = sum(args[i] * args[i + 1] for i in range(1, len(args), 2))
+            return result
+
+    def reset(self):                         # 定义复位（置0运算）
+        zero = self.public_key.encrypt(0)    # 用公钥对0进行加密
+        return zero
+
+    def calculate_variance(self, *args):         # 定义求方差
+        mean = self.average(*args)               # 均值
+        count = 0                                # 定义count，用来统计参数的个数
+        for _ in args:
+            count += 1                           # count++
+        variance = sum((x - mean) ** 2 for x in args) / (count - 1)
+        return variance
+
+    # def IsZero(self):                 # 判断该数是否为0
+    #     ZERO = self
+    #     zero = ZERO.public_key.encrypt(0)    # 用公钥对0进行加密
+    #     flag = False                         # 用于判断该数是否为0(默认不为0)
+    #
+    #     if self == zero:
+    #         flag = True
+    #     return flag
+
+    # def POW(self, num):                      # 定义幂运算
+    #     if not isinstance(num, int):         # 如果输入有问题
+    #         print("指数应输入  整数  标量！")
+    #     else:
+    #         result = self
+    #         print(num)
+    #         for i in [1, num]:
+    #             result *= self
+    #         return result
+
+
+# def get_certificate(public_key):
+#     # 获得公钥的PEM编码的二进制形式
+#     public_bytes = public_key.public_bytes(
+#                     encoding=serialization.Encoding.PEM, format=serialization.PublicFormat.SubjectPublicKeyInfo)
+#
+#     # 获得数字证书
+#     cert = (public_bytes, hashlib.sha256(public_bytes).hexdigest())  # 元祖类型
+#     return cert
+
+
+if __name__ == '__main__':      # 主函数
+    Public_Key, Private_Key = generate_paillier_keypair()            # 随机生成1024长的公钥和私钥
+    x = 90000.23
+    y = 90
+    z = 0.5
+    x_encrypted = Public_Key.encrypt(x)          # 加密后的x
+    y_encrypted = Public_Key.encrypt(y)          # 加密后的y
+    z_encrypted = Public_Key.encrypt(z)          # 加密后的z
+    t_encrypted = x_encrypted + y_encrypted * 0.5   # 在x，y保密的情况下计算t，得到加密后的t(t_encrypted)
+
+    # x_encrypted = x_encrypted.increment()                            # 自增
+    # y_encrypted = y_encrypted.decrement()                            # 自减
+
+    # print(x_encrypted != y_encrypted)                          # 不相等
+    # print(x_encrypted == y_encrypted)                          # 相等
+
+    # print(Private_Key.decrypt(~x_encrypted) )                                          # 取反
+
+    # total = x_encrypted.cal_sum(x_encrypted, y_encrypted, 0.5)  # 求和函数
+    # print("密文之和为：", Private_Key.decrypt(total))
+
+    # avg = x_encrypted.average(y_encrypted, z_encrypted, z_encrypted)   # 求平均值函数
+    # print("密文的平均值为：", Private_Key.decrypt(avg) )                    # 只能对0~90090.73的数进行除法运算（除不尽）
+
+    # weight_average = x_encrypted.weighted_average(x_encrypted, 0.1, y_encrypted, 0.3, z_encrypted, 0.6)    # 加权平均函数
+    # print("加权平均结果为：", Private_Key.decrypt(weight_average))
+
+    # variance = x_encrypted.calculate_variance(x_encrypted, y_encrypted)     #求方差
+    # print("方差为：", Private_Key.decrypt(variance))
+
+    # z_encrypted = z_encrypted.reset()                         # 复位函数
+    # print("z复位后的结果为：", Private_Key.decrypt(z_encrypted) )
+
+    # print(x_encrypted ** x)                   # 相当于print(x_encrypted.POW(2) )
+    # print(x_encrypted > y_encrypted)
+
+    # print(type(Public_Key))
+    # print(Public_Key)
+
+    print(f"x + y * 0.5的结果是：{Private_Key.decrypt(t_encrypted)}")                # 打印出t
diff --git a/DataSearch.py b/DataSearch.py
new file mode 100644
index 0000000..0c1f6dc
--- /dev/null
+++ b/DataSearch.py
@@ -0,0 +1,265 @@
+import re
+import pymysql
+
+
+# 拆分sql对象
+def extract_tables(sql_statement):
+    # 使用正则表达式匹配FROM关键字之后的表名以及逗号分隔的表名：
+    pattern = r'FROM\s+([\w\s,]+)'
+    matches = re.findall(pattern, sql_statement, re.IGNORECASE)
+    # 提取逗号分隔的表名，并按逗号进行分割
+    tabs = re.split(',', matches[0].strip())
+    # 处理每个表名，去除空格和其他无关字符
+    cleaned_tables = []
+    for tab in tabs:
+        cleaned_tab = tab.strip()
+        if ' ' in cleaned_tab:
+            cleaned_tab = cleaned_tab.split()[0]
+        cleaned_tables.append(cleaned_tab)
+    return cleaned_tables  # 返回列表
+
+
+# 拆分sql
+def divide_sql(sql):
+    """
+    例如sql = "SELECT a FROM data1, data2, data3 WHERE a = b ORDER BY misc"
+    拆分原语句
+    """
+    parts = re.split(r'(?i)from\s', sql)  # 拆分"from "【无论大小写】
+    head = parts[0] + "from "  # SELECT a FROM
+    divide_sqls = []
+
+    if re.search(r'where', parts[1], flags=re.IGNORECASE):
+        data = re.split(r'(?i) where', parts[1])  # 拆分" where"【无论大小写】
+        tail = " where" + data[1]  # WHERE a = b ORDER BY misc
+        # message_p = "涉及到的数据源有:"
+        # print(message_p)
+        # time.sleep(sleep_time)
+        #
+        # message_p = data[0]
+        # print(message_p)            # data1, data2, data3
+        # time.sleep(sleep_time)
+        divide_providers = data[0].split(", ")
+        # total = len(divide_providers)
+        # message_p = "拆分结果如下:"
+        # print(message_p)
+
+        for i in range(len(divide_providers)):
+            divide_sqls.append(head + divide_providers[i] + tail)
+            # message_p = str(i + 1) + ":" + divide_sqls[i]
+            # print(message_p)
+    else:
+        data = parts[1]  # data1,data2,data3
+        divide_providers = data.split(",")
+        for i in range(len(divide_providers)):
+            divide_sqls.append(head + divide_providers[i])
+            # message_p = str(i + 1) + ":" + divide_sqls[i]
+            # print(message_p)
+    return divide_sqls
+
+
+class SelectDatabase:  # 定义类
+    def __init__(self, database):
+        self.database = database  # 赋值数据库名称
+
+    def ret_hospital(self):  # 定义函数，返回字典——医院（HOS）这个表
+        # 连接服务器Server的数据库:
+        db = pymysql.connect(host='localhost', user='root', password='111111', db=f'{self.database}', charset='utf8')
+        # 使用操作游标:
+        cursor = db.cursor()
+        sql = """SELECT * FROM HOS"""
+        cursor.execute(sql)
+        results = cursor.fetchall()  # 获取查询结果的所有数据
+        hospital_dict = {}  # 创建一个空字典
+
+        # 遍历查询结果，将每条消息数据存储到字典中：
+        for row in results:
+            hos_id = row[0]  # 医院编号(HOS_ID)
+            hos_name = row[1]  # 医院名称(HOS_NAME)
+            hos_add = row[2]  # 医院地址(HOS_ADD)
+            hos_tel = row[3]  # 医院电话(HOS_TEL)
+            # hospital_dict["医院编号"] = hos_id
+            # hospital_dict["医院名称"] = hos_name
+            # hospital_dict["医院地址"] = hos_add
+            # hospital_dict["医院电话"] = hos_tel
+            # # 打印字典内容
+            # print(hospital_dict)
+            """ 注释的输出形式：
+                    {'医院编号': '001', '医院名称': '极光医院', '医院地址': '千里市广大区极光街道1-1', '医院电话': '023-6296666'}
+                    {'医院编号': '002', '医院名称': '风舱医院', '医院地址': '风火市舱山区飞光街道1-1', '医院电话': '023-6286666'}
+            """
+
+            # 将每个属性的值存储在对应的列表中
+            hospital_dict.setdefault("医院编号", []).append(hos_id)
+            hospital_dict.setdefault("医院名称", []).append(hos_name)
+            hospital_dict.setdefault("医院地址", []).append(hos_add)
+            hospital_dict.setdefault("医院电话", []).append(hos_tel)
+
+        db.close()
+        """ 当前返回的字典形式：
+            {'医院编号': ['001', '002'], 
+            '医院名称': ['极光医院', '风舱医院'], 
+            '医院地址': ['千里市广大区极光街道1-1', 
+            '风火市舱山区飞光街道1-1'], 
+            '医院电话': ['023-6296666', '023-6286666']}
+        """
+        # 返回字典
+        return hospital_dict
+
+    def ret_doctor(self):  # 定义函数，返回字典——医生（DOC）这个表
+        # 连接服务器Server的数据库:
+        db = pymysql.connect(host='localhost', user='root', password='111111', db=f'{self.database}', charset='utf8')
+        # 使用操作游标:
+        cursor = db.cursor()
+        sql = """SELECT * FROM DOC"""
+        cursor.execute(sql)
+        results = cursor.fetchall()  # 获取查询结果的所有数据
+        doctor_dict = {}  # 创建一个空字典
+
+        # 遍历查询结果，将每条消息数据存储到字典中：
+        for row in results:
+            doc_id = row[0]  # 医生编号(DOC_ID)
+            doc_name = row[1]  # 医生名称(DOC_NAME)
+            doc_tel = row[2]  # 医生电话(DOC_TEL)
+            doc_qua = row[3]  # 医院资质(DOC_QUA)
+            # hospital_dict["医生编号"] = doc_id
+            # hospital_dict["医生名称"] = doc_name
+            # hospital_dict["医院地址"] = doc_tel
+            # hospital_dict["医院电话"] = doc_qua
+            # # 打印字典内容
+            # print(doctor_dict)
+
+            # 将每个属性的值存储在对应的列表中
+            doctor_dict.setdefault("医院编号", []).append(doc_id)
+            doctor_dict.setdefault("医院名称", []).append(doc_name)
+            doctor_dict.setdefault("医院地址", []).append(doc_tel)
+            doctor_dict.setdefault("医院电话", []).append(doc_qua)
+
+        db.close()
+        """ 当前返回的字典形式：
+            {'医院编号': ['001', '002', '003'], 
+             '医院名称': ['神医华佗', '扁鹊', '还医生'], 
+             '医院地址': ['19666666666', '13666666666', '13546981623'], 
+             '医院电话': ['主任医师', '主任医师', '医师']}
+        """
+        # 返回字典
+        return doctor_dict
+
+    def ret_patient(self):  # 定义函数，返回字典——病人（PAT）这个表
+        # 连接服务器Server的数据库:
+        db = pymysql.connect(host='localhost', user='root', password='111111', db=f'{self.database}', charset='utf8')
+        # 使用操作游标:
+        cursor = db.cursor()
+        sql = """SELECT * FROM PAT"""
+        cursor.execute(sql)
+        results = cursor.fetchall()  # 获取查询结果的所有数据
+        patient_dict = {}  # 创建一个空字典
+
+        # 遍历查询结果，将每条消息数据存储到字典中：
+        for row in results:
+            pat_id = row[0]  # 病人编号(PAT_ID)
+            pat_name = row[1]  # 病人姓名(PAT_NAME)
+            pat_tel = row[2]  # 病人电话(PAT_TEL)
+            # patient_dict["病人编号"] = pat_id
+            # patient_dict["病人姓名"] = pat_name
+            # patient_dict["病人电话"] = pat_tel
+            # # 打印字典内容
+            # print(patient_dict)
+
+            # 将每个属性的值存储在对应的列表中
+            patient_dict.setdefault("病人编号", []).append(pat_id)
+            patient_dict.setdefault("病人姓名", []).append(pat_name)
+            patient_dict.setdefault("病人电话", []).append(pat_tel)
+
+        db.close()
+        """ 当前返回的字典形式：
+            {'病人编号': ['001', '002', '003', '004'], 
+            '病人姓名': ['曹操', '蔡桓公', '去还', '刘备'], 
+            '病人电话': ['66666666666', '02666666666', '01234567891', '98765432101']}
+        """
+        # 返回字典
+        return patient_dict
+
+    def ret_diagnosis(self):  # 定义函数，返回字典——诊断（DIA）这个表
+        # 连接服务器Server的数据库:
+        db = pymysql.connect(host='localhost', user='root', password='111111', db=f'{self.database}', charset='utf8')
+        # 使用操作游标:
+        cursor = db.cursor()
+        sql = """SELECT * FROM DIA"""
+        cursor.execute(sql)
+        results = cursor.fetchall()  # 获取查询结果的所有数据
+        diagnosis_dict = {}  # 创建一个空字典
+
+        # 遍历查询结果，将每条消息数据存储到字典中：
+        for row in results:
+            dia_id = row[0]  # 诊号(DIA_ID)
+            doc_id = row[1]  # 医生编号(DOC_ID)
+            pat_id = row[2]  # 病人编号(PAT_ID)
+            time = row[3]  # 时间(TIME)
+            cases = row[4]  # 病例(CASES)
+            symptom = row[5]  # 症状(SYMPTOM)
+            # diagnosis_dict["诊号"] = dia_id
+            # diagnosis_dict["医生编号"] = doc_id
+            # diagnosis_dict["病人编号"] = pat_id
+            # diagnosis_dict["时间"] = time
+            # diagnosis_dict["病例"] = cases
+            # diagnosis_dict["症状"] = symptom
+            # # 打印字典内容
+            # print(diagnosis_dict)
+
+            # 将每个属性的值存储在对应的列表中
+            diagnosis_dict.setdefault("诊号", []).append(dia_id)
+            diagnosis_dict.setdefault("医生编号", []).append(doc_id)
+            diagnosis_dict.setdefault("病人编号", []).append(pat_id)
+            diagnosis_dict.setdefault("时间", []).append(time)
+            diagnosis_dict.setdefault("病例", []).append(cases)
+            diagnosis_dict.setdefault("症状", []).append(symptom)
+
+        db.close()
+        """ 当前返回的字典形式：
+            {'诊号': ['001', '002', '003', '004', '005'], 
+             '医生编号': ['001', '001', '002', '003', '003'], 
+             '病人编号': ['001', '001', '002', '003', '004'], 
+             '时间': ['2015.03.04', '2015.05.16', '2016.12.30', '2017.01.15', '2017.01.15'], 
+             '病例': ['小感冒', '慢性头痛', '通风', '中风', '脚部内伤'], '症状': ['突然头痛', '头非常痛，不能睡觉', '怕凉', '伤口大量出血，且发烧', '崴脚，走路痛']}
+        """
+        # 返回字典
+        return diagnosis_dict
+
+    def ret_define(self, sql):  # 定义函数，返回自定义信息的字典
+        # 连接服务器Server的数据库:
+        db = pymysql.connect(host='localhost', user='root', password='111111', db=f'{self.database}', charset='utf8')
+        try:
+            # 使用操作游标:
+            cursor = db.cursor()
+            cursor.execute(sql)
+            results = cursor.fetchall()  # 获取查询结果的所有数据
+            # tables = extract_tables(sql)  # 分离出sql语句中的表名
+
+            # 遍历查询结果，将每条消息都输出出来：
+            for row in results:
+                for i in range(len(row)):
+                    print(f"{row[i]}\t", end="")
+                print()
+
+        except:
+            print("查询权限不足！或查询语句出错！")
+
+
+def main(hospital_name):
+    sql = """SELECT * 
+              FROM HOS, DOC, PAT, DIA
+              WHERE DOC.DOC_ID = DIA.DOC_ID AND
+                    PAT.PAT_ID = DIA.PAT_ID
+              """
+    hospital_name = hospital_name.replace("\n", "")
+    if hospital_name == 'xx大学附属医院':
+        database = SelectDatabase('Hospital1')
+        database.ret_define(sql)
+
+    elif hospital_name == 'xx阳光社区附属医院':
+        database = SelectDatabase('Hospital2')
+        database.ret_define(sql)
+
+    else:
+        print("暂无记录！")
diff --git a/background.png b/background.png
new file mode 100644
index 0000000..d14f18f
Binary files /dev/null and b/background.png differ
diff --git a/encoding.py b/encoding.py
new file mode 100644
index 0000000..97469a1
--- /dev/null
+++ b/encoding.py
@@ -0,0 +1,162 @@
+import math
+import sys
+
+
+class EncodedNumber(object):
+    BASE = 16
+    """Base to use when exponentiating. Larger `BASE` means
+    that :attr:`exponent` leaks less information. If you vary this,
+    you'll have to manually inform anyone decoding your numbers.
+    """
+    LOG2_BASE = math.log(BASE, 2)
+    FLOAT_MANTISSA_BITS = sys.float_info.mant_dig
+
+    def __init__(self, public_key, encoding, exponent):
+        self.public_key = public_key
+        self.encoding = encoding
+        self.exponent = exponent
+
+    @classmethod
+    def encode(cls, public_key, scalar, precision=None, max_exponent=None):
+        """Return an encoding of an int or float.
+
+        This encoding is carefully chosen so that it supports the same
+        operations as the Paillier cryptosystem.
+
+        If *scalar* is a float, first approximate it as an int, `int_rep`:
+
+            scalar = int_rep * (:attr:`BASE` ** :attr:`exponent`),
+
+        for some (typically negative) integer exponent, which can be
+        tuned using *precision* and *max_exponent*. Specifically,
+        :attr:`exponent` is chosen to be equal to or less than
+        *max_exponent*, and such that the number *precision* is not
+        rounded to zero.
+
+        Having found an integer representation for the float (or having
+        been given an int `scalar`), we then represent this integer as
+        a non-negative integer < :attr:`~PaillierPublicKey.temp_n`.
+
+        Paillier homomorphic arithemetic works modulo
+        :attr:`~PaillierPublicKey.temp_n`. We take the convention that a
+        number x < temp_n/3 is positive, and that a number x > 2n/3 is
+        negative. The range temp_n/3 < x < 2n/3 allows for overflow
+        detection.
+
+        Args:
+          public_key (PaillierPublicKey): public key for which to encode
+            (this is necessary because :attr:`~PaillierPublicKey.temp_n`
+            varies).
+          scalar: an int or float to be encrypted.
+            If int, it must satisfy abs(*value*) <
+            :attr:`~PaillierPublicKey.temp_n`/3.
+            If float, it must satisfy abs(*value* / *precision*) <<
+            :attr:`~PaillierPublicKey.temp_n`/3
+            (i.e. if a float is near the limit then detectable
+            overflow may still occur)
+          precision (float): Choose exponent (i.e. fix the precision) so
+            that this number is distinguishable from zero. If `scalar`
+            is a float, then this is set so that minimal precision is
+            lost. Lower precision leads to smaller encodings, which
+            might yield faster computation.
+          max_exponent (int): Ensure that the exponent of the returned
+            `EncryptedNumber` is at most this.
+
+        Returns:
+          EncodedNumber: Encoded form of *scalar*, ready for encryption
+          against *publickey*.
+        """
+        # Calculate the maximum exponent for desired precision
+        if precision is None:
+            if isinstance(scalar, int):
+                prec_exponent = 0
+            elif isinstance(scalar, float):
+                # Encode with *at least* as much precision as the python float
+                # What's the base-2 exponent on the float?
+                bin_flt_exponent = math.frexp(scalar)[1]
+
+                # What's the base-2 exponent of the least significant bit?
+                # The least significant bit has value 2 ** bin_lsb_exponent
+                bin_lsb_exponent = bin_flt_exponent - cls.FLOAT_MANTISSA_BITS
+
+                # What's the corresponding base BASE exponent? Round that down.
+                prec_exponent = math.floor(bin_lsb_exponent / cls.LOG2_BASE)
+            else:
+                raise TypeError("Don't know the precision of type %s."
+                                % type(scalar))
+        else:
+            prec_exponent = math.floor(math.log(precision, cls.BASE))
+
+        # Remember exponents are negative for numbers < 1.
+        # If we're going to store numbers with a more negative
+        # exponent than demanded by the precision, then we may
+        # as well bump up the actual precision.
+        if max_exponent is None:
+            exponent = prec_exponent
+        else:
+            exponent = min(max_exponent, prec_exponent)
+
+        int_rep = int(round(scalar * pow(cls.BASE, -exponent)))
+
+        if abs(int_rep) > public_key.max_int:
+            raise ValueError('Integer needs to be within +/- %d but got %d'
+                             % (public_key.max_int, int_rep))
+
+        # Wrap negative numbers by adding temp_n
+        return cls(public_key, int_rep % public_key.n, exponent)
+
+    def decode(self):
+        """Decode plaintext and return the result.
+
+        Returns:
+          an int or float: the decoded number. N.B. if the number
+            returned is an integer, it will not be of type float.
+
+        Raises:
+          OverflowError: if overflow is detected in the decrypted number.
+        """
+        if self.encoding >= self.public_key.n:
+            # Should be mod temp_n
+            raise ValueError('Attempted to decode corrupted number')
+        elif self.encoding <= self.public_key.max_int:
+            # Positive
+            mantissa = self.encoding
+        elif self.encoding >= self.public_key.n - self.public_key.max_int:
+            # Negative
+            mantissa = self.encoding - self.public_key.n
+        else:
+            raise OverflowError('Overflow detected in decrypted number')
+
+        return mantissa * pow(self.BASE, self.exponent)
+
+    def decrease_exponent_to(self, new_exp):
+        """Return an `EncodedNumber` with same value but lower exponent.
+
+        If we multiply the encoded value by :attr:`BASE` and decrement
+        :attr:`exponent`, then the decoded value does not change. Thus
+        we can almost arbitrarily ratchet down the exponent of an
+        :class:`EncodedNumber` - we only run into trouble when the encoded
+        integer overflows. There may not be a warning if this happens.
+
+        This is necessary when adding :class:`EncodedNumber` instances,
+        and can also be useful to hide information about the precision
+        of numbers - e.g. a protocol can fix the exponent of all
+        transmitted :class:`EncodedNumber` to some lower bound(s).
+
+        Args:
+          new_exp (int): the desired exponent.
+
+        Returns:
+          EncodedNumber: Instance with the same value and desired
+            exponent.
+
+        Raises:
+          ValueError: You tried to increase the exponent, which can't be
+            done without decryption.
+        """
+        if new_exp > self.exponent:
+            raise ValueError('New exponent %i should be more negative than'
+                             'old exponent %i' % (new_exp, self.exponent))
+        factor = pow(self.BASE, self.exponent - new_exp)
+        new_enc = self.encoding * factor % self.public_key.n
+        return self.__class__(self.public_key, new_enc, new_exp)
\ No newline at end of file
diff --git a/note.txt b/note.txt
new file mode 100644
index 0000000..dda0dc5
--- /dev/null
+++ b/note.txt
@@ -0,0 +1,10 @@
+编写的sql格式硬性规定：
+含有from，多个对象需要用,分割
+
+要先定好测试案例，sql语句，然后才方便用if/else，跑结果
+
+中央人民医院
+xx阳光社区诊所
+xx大学附属医院
+
+select count(*) from xx阳光社区诊所, xx大学附属医院 where diag = "cancer";
\ No newline at end of file
diff --git a/server_demo.py b/server_demo.py
new file mode 100644
index 0000000..c516a17
--- /dev/null
+++ b/server_demo.py
@@ -0,0 +1,181 @@
+import wx
+import wx.xrc
+
+
+class MyFrame(wx.Frame):
+
+    def __init__(self, parent):
+        wx.Frame.__init__(self, parent, id=wx.ID_ANY, title=u"安全多方服务器平台", pos=wx.DefaultPosition,
+                          size=wx.Size(444, 749),
+                          style=wx.DEFAULT_FRAME_STYLE | wx.TAB_TRAVERSAL)
+
+        self.SetSizeHints(wx.DefaultSize, wx.DefaultSize)
+        self.SetFont(wx.Font(5, 70, 90, 90, False, "宋体"))
+        self.SetForegroundColour(wx.SystemSettings.GetColour(wx.SYS_COLOUR_WINDOW))
+        self.SetBackgroundColour(wx.SystemSettings.GetColour(wx.SYS_COLOUR_HIGHLIGHTTEXT))
+
+        fgSizer1 = wx.FlexGridSizer(0, 2, 0, 0)
+        fgSizer1.SetFlexibleDirection(wx.BOTH)
+        fgSizer1.SetNonFlexibleGrowMode(wx.FLEX_GROWMODE_SPECIFIED)
+
+        bSizer11 = wx.BoxSizer(wx.VERTICAL)
+
+        self.m_bitmap11 = wx.StaticBitmap(self, wx.ID_ANY, wx.NullBitmap, wx.DefaultPosition, wx.Size(70, 30), 0)
+        bSizer11.Add(self.m_bitmap11, 0, wx.ALL, 5)
+
+        self.m_staticline211 = wx.StaticLine(self, wx.ID_ANY, wx.DefaultPosition, wx.Size(-1, 2), wx.LI_HORIZONTAL)
+        self.m_staticline211.SetForegroundColour(wx.SystemSettings.GetColour(wx.SYS_COLOUR_INACTIVECAPTION))
+        self.m_staticline211.SetMaxSize(wx.Size(80, -1))
+
+        bSizer11.Add(self.m_staticline211, 0, wx.EXPAND | wx.ALL, 5)
+
+        self.m_staticText1 = wx.StaticText(self, wx.ID_ANY, u"接收记录", wx.DefaultPosition, wx.Size(-1, 30), 0)
+        self.m_staticText1.Wrap(-1)
+        self.m_staticText1.SetFont(wx.Font(11, 70, 90, 90, False, "宋体"))
+        self.m_staticText1.SetForegroundColour(wx.SystemSettings.GetColour(wx.SYS_COLOUR_WINDOWTEXT))
+
+        bSizer11.Add(self.m_staticText1, 0, wx.ALL, 5)
+
+        self.m_bitmap1 = wx.StaticBitmap(self, wx.ID_ANY, wx.NullBitmap, wx.DefaultPosition, wx.Size(70, 111), 0)
+        bSizer11.Add(self.m_bitmap1, 0, wx.ALL, 5)
+
+        self.m_staticline21 = wx.StaticLine(self, wx.ID_ANY, wx.DefaultPosition, wx.Size(-1, 2), wx.LI_HORIZONTAL)
+        self.m_staticline21.SetForegroundColour(wx.SystemSettings.GetColour(wx.SYS_COLOUR_INACTIVECAPTION))
+        self.m_staticline21.SetMaxSize(wx.Size(80, -1))
+
+        bSizer11.Add(self.m_staticline21, 0, wx.EXPAND | wx.ALL, 5)
+
+        self.m_staticText11 = wx.StaticText(self, wx.ID_ANY, u"发送记录", wx.DefaultPosition, wx.Size(-1, 30), 0)
+        self.m_staticText11.Wrap(-1)
+        self.m_staticText11.SetFont(wx.Font(11, 70, 90, 90, False, "宋体"))
+        self.m_staticText11.SetForegroundColour(wx.SystemSettings.GetColour(wx.SYS_COLOUR_WINDOWTEXT))
+
+        bSizer11.Add(self.m_staticText11, 0, wx.ALL, 5)
+
+        self.m_bitmap12 = wx.StaticBitmap(self, wx.ID_ANY, wx.NullBitmap, wx.DefaultPosition, wx.Size(70, 111), 0)
+        bSizer11.Add(self.m_bitmap12, 0, wx.ALL, 5)
+
+        self.m_staticline212 = wx.StaticLine(self, wx.ID_ANY, wx.DefaultPosition, wx.Size(-1, 2), wx.LI_HORIZONTAL)
+        self.m_staticline212.SetForegroundColour(wx.SystemSettings.GetColour(wx.SYS_COLOUR_INACTIVECAPTION))
+        self.m_staticline212.SetMaxSize(wx.Size(80, -1))
+
+        bSizer11.Add(self.m_staticline212, 0, wx.EXPAND | wx.ALL, 5)
+
+        self.m_staticText111 = wx.StaticText(self, wx.ID_ANY, u"当前状态", wx.DefaultPosition, wx.Size(-1, 30), 0)
+        self.m_staticText111.Wrap(-1)
+        self.m_staticText111.SetFont(wx.Font(11, 70, 90, 90, False, "宋体"))
+        self.m_staticText111.SetForegroundColour(wx.SystemSettings.GetColour(wx.SYS_COLOUR_WINDOWTEXT))
+
+        bSizer11.Add(self.m_staticText111, 0, wx.ALL, 5)
+
+        fgSizer1.Add(bSizer11, 1, wx.EXPAND, 5)
+
+        bSizer1 = wx.BoxSizer(wx.HORIZONTAL)
+
+        bSizer2 = wx.BoxSizer(wx.VERTICAL)
+
+        self.m_staticText = wx.StaticText(self, wx.ID_ANY, u"安全多方平台服务器", wx.DefaultPosition, wx.Size(-1, 30), 0)
+        self.m_staticText.Wrap(-1)
+        self.m_staticText.SetFont(wx.Font(16, 70, 90, 92, False, "宋体"))
+        self.m_staticText.SetForegroundColour(wx.SystemSettings.GetColour(wx.SYS_COLOUR_WINDOWTEXT))
+
+        bSizer2.Add(self.m_staticText, 0, wx.ALL, 5)
+
+        self.m_staticline1 = wx.StaticLine(self, wx.ID_ANY, wx.DefaultPosition, wx.Size(1, 2), wx.LI_HORIZONTAL)
+        self.m_staticline1.SetForegroundColour(wx.SystemSettings.GetColour(wx.SYS_COLOUR_INACTIVECAPTION))
+
+        bSizer2.Add(self.m_staticline1, 0, wx.EXPAND | wx.ALL, 5)
+
+        self.m_listCtrl1 = wx.ListCtrl(self, wx.ID_ANY, wx.DefaultPosition, wx.Size(360, 150), wx.LC_REPORT)
+        self.m_listCtrl1.SetFont(wx.Font(9, 70, 90, 90, False, "宋体"))
+        self.m_listCtrl1.SetForegroundColour(wx.SystemSettings.GetColour(wx.SYS_COLOUR_WINDOWTEXT))
+
+        bSizer2.Add(self.m_listCtrl1, 0, wx.ALL, 5)
+
+        self.m_staticline2 = wx.StaticLine(self, wx.ID_ANY, wx.DefaultPosition, wx.Size(-1, 2), wx.LI_HORIZONTAL)
+        self.m_staticline2.SetForegroundColour(wx.SystemSettings.GetColour(wx.SYS_COLOUR_INACTIVECAPTION))
+
+        bSizer2.Add(self.m_staticline2, 0, wx.EXPAND | wx.ALL, 5)
+
+        self.m_listCtrl2 = wx.ListCtrl(self, wx.ID_ANY, wx.DefaultPosition, wx.Size(360, 150), wx.LC_REPORT)
+        self.m_listCtrl2.SetFont(wx.Font(9, 70, 90, 90, False, "宋体"))
+        self.m_listCtrl2.SetForegroundColour(wx.SystemSettings.GetColour(wx.SYS_COLOUR_WINDOWTEXT))
+
+        bSizer2.Add(self.m_listCtrl2, 0, wx.ALL, 5)
+
+        self.m_staticline22 = wx.StaticLine(self, wx.ID_ANY, wx.DefaultPosition, wx.Size(-1, 2), wx.LI_HORIZONTAL)
+        self.m_staticline22.SetForegroundColour(wx.SystemSettings.GetColour(wx.SYS_COLOUR_INACTIVECAPTION))
+
+        bSizer2.Add(self.m_staticline22, 0, wx.EXPAND | wx.ALL, 5)
+
+        self.m_listCtrl3 = wx.ListCtrl(self, wx.ID_ANY, wx.DefaultPosition, wx.Size(360, 150), wx.LC_REPORT)
+        self.m_listCtrl3.SetFont(wx.Font(9, 70, 90, 90, False, "宋体"))
+        self.m_listCtrl3.SetForegroundColour(wx.SystemSettings.GetColour(wx.SYS_COLOUR_WINDOWTEXT))
+
+        bSizer2.Add(self.m_listCtrl3, 0, wx.ALL, 5)
+
+        self.m_staticline221 = wx.StaticLine(self, wx.ID_ANY, wx.DefaultPosition, wx.Size(-1, 2), wx.LI_HORIZONTAL)
+        self.m_staticline221.SetForegroundColour(wx.SystemSettings.GetColour(wx.SYS_COLOUR_INACTIVECAPTION))
+
+        bSizer2.Add(self.m_staticline221, 0, wx.EXPAND | wx.ALL, 5)
+
+        bSizer12 = wx.BoxSizer(wx.VERTICAL)
+
+        bSizer102 = wx.BoxSizer(wx.HORIZONTAL)
+
+        self.m_button31 = wx.Button(self, wx.ID_ANY, u"显示本地公钥", wx.DefaultPosition, wx.Size(300, 30), 0)
+        self.m_button31.SetFont(wx.Font(11, 70, 90, 90, False, wx.EmptyString))
+        self.m_button31.SetForegroundColour(wx.SystemSettings.GetColour(wx.SYS_COLOUR_WINDOWTEXT))
+
+        bSizer102.Add(self.m_button31, 0, wx.ALIGN_CENTER | wx.ALL, 5)
+
+        bSizer12.Add(bSizer102, 1, wx.EXPAND, 5)
+
+        bSizer1012 = wx.BoxSizer(wx.HORIZONTAL)
+
+        self.m_button41 = wx.Button(self, wx.ID_ANY, u"显示本地私钥", wx.DefaultPosition, wx.Size(300, 30), 0)
+        self.m_button41.SetFont(wx.Font(11, 70, 90, 90, False, wx.EmptyString))
+        self.m_button41.SetForegroundColour(wx.SystemSettings.GetColour(wx.SYS_COLOUR_WINDOWTEXT))
+
+        bSizer1012.Add(self.m_button41, 0, wx.ALIGN_CENTER | wx.ALL, 5)
+
+        bSizer12.Add(bSizer1012, 1, wx.EXPAND, 5)
+
+        bSizer10111 = wx.BoxSizer(wx.HORIZONTAL)
+
+        self.m_button51 = wx.Button(self, wx.ID_ANY, u"打印本地证书", wx.DefaultPosition, wx.Size(300, 30), 0)
+        self.m_button51.SetFont(wx.Font(11, 70, 90, 90, False, wx.EmptyString))
+        self.m_button51.SetForegroundColour(wx.SystemSettings.GetColour(wx.SYS_COLOUR_WINDOWTEXT))
+
+        bSizer10111.Add(self.m_button51, 0, wx.ALIGN_CENTER | wx.ALL, 5)
+
+        bSizer12.Add(bSizer10111, 1, wx.EXPAND, 5)
+
+        bSizer2.Add(bSizer12, 1, wx.EXPAND, 5)
+
+        bSizer1.Add(bSizer2, 1, wx.EXPAND, 5)
+
+        fgSizer1.Add(bSizer1, 1, wx.EXPAND, 5)
+
+        self.SetSizer(fgSizer1)
+        self.Layout()
+
+        self.Centre(wx.BOTH)
+
+        # Connect Events
+        self.m_button31.Bind(wx.EVT_BUTTON, self.print_public_key)
+        self.m_button41.Bind(wx.EVT_BUTTON, self.print_private_key)
+        self.m_button51.Bind(wx.EVT_BUTTON, self.print_certificate)
+
+    def __del__(self):
+        pass
+
+    # Virtual event handlers, override them in your derived class
+    def print_public_key(self, event):
+        event.Skip()
+
+    def print_private_key(self, event):
+        event.Skip()
+
+    def print_certificate(self, event):
+        event.Skip()
diff --git a/util.py b/util.py
new file mode 100644
index 0000000..283fde1
--- /dev/null
+++ b/util.py
@@ -0,0 +1,414 @@
+import os
+import random
+from base64 import urlsafe_b64encode, urlsafe_b64decode
+from binascii import hexlify, unhexlify
+
+try:
+    import gmpy2
+    HAVE_GMP = True
+except ImportError:
+    HAVE_GMP = False
+
+try:
+    from Crypto.Util import number
+    HAVE_CRYPTO = True
+except ImportError:
+    HAVE_CRYPTO = False
+
+# GMP's powmod has greater overhead than Python's pow, but is faster.
+# From a quick experiment on our machine, this seems to be the break even:
+_USE_MOD_FROM_GMP_SIZE = (1 << (8*2))
+
+
+def powmod(a, b, c):
+    """
+    Uses GMP, if available, to do a^b mod c where a, b, c
+    are integers.
+
+    :return int: (a ** b) % c
+    """
+    if a == 1:
+        return 1
+    if not HAVE_GMP or max(a, b, c) < _USE_MOD_FROM_GMP_SIZE:
+        return pow(a, b, c)
+    else:
+        return int(gmpy2.powmod(a, b, c))
+
+
+def extended_euclidean_algorithm(a, b):
+    """Extended Euclidean algorithm
+
+    Returns r, s, t such that r = s*a + t*b and r is gcd(a, b)
+
+    See <https://en.wikipedia.org/wiki/Extended_Euclidean_algorithm>
+    """
+    r0, r1 = a, b
+    s0, s1 = 1, 0
+    t0, t1 = 0, 1
+    while r1 != 0:
+        q = r0 // r1
+        r0, r1 = r1, r0 - q*r1
+        s0, s1 = s1, s0 - q*s1
+        t0, t1 = t1, t0 - q*t1
+    return r0, s0, t0
+
+
+def invert(a, b):
+    """
+    The multiplicitive inverse of a in the integers modulo b.
+
+    :return int: x, where a * x == 1 mod b
+    """
+    if HAVE_GMP:
+        s = int(gmpy2.invert(a, b))
+        # according to documentation, gmpy2.invert might return 0 on
+        # non-invertible element, although it seems to actually raise an
+        # exception; for consistency, we always raise the exception
+        if s == 0:
+            raise ZeroDivisionError('invert() no inverse exists')
+        return s
+    else:
+        r, s, _ = extended_euclidean_algorithm(a, b)
+        if r != 1:
+            raise ZeroDivisionError('invert() no inverse exists')
+        return s % b
+
+
+def getprimeover(N):
+    """Return a random N-bit prime number using the System's best
+    Cryptographic random source.
+
+    Use GMP if available, otherwise fallback to PyCrypto
+    """
+    if HAVE_GMP:
+        randfunc = random.SystemRandom()
+        r = gmpy2.mpz(randfunc.getrandbits(N))
+        r = gmpy2.bit_set(r, N - 1)
+        return int(gmpy2.next_prime(r))
+    elif HAVE_CRYPTO:
+        return number.getPrime(N, os.urandom)
+    else:
+        randfunc = random.SystemRandom()
+        n = randfunc.randrange(2**(N-1), 2**N) | 1
+        while not is_prime(n):
+            n += 2
+        return n
+
+
+def isqrt(N):
+    """ returns the integer square root of N """
+    if HAVE_GMP:
+        return int(gmpy2.isqrt(N))
+    else:
+        return improved_i_sqrt(N)
+
+
+def improved_i_sqrt(n):
+    """ taken from
+    http://stackoverflow.com/questions/15390807/integer-square-root-in-python
+    Thanks, mathmandan """
+    assert n >= 0
+    if n == 0:
+        return 0
+    i = n.bit_length() >> 1    # i = floor( (1 + floor(log_2(temp_n))) / 2 )
+    m = 1 << i    # m = 2^i
+    #
+    # Fact: (2^(i + 1))^2 > temp_n, so m has at least as many bits
+    # as the floor of the square root of temp_n.
+    #
+    # Proof: (2^(i+1))^2 = 2^(2i + 2) >= 2^(floor(log_2(temp_n)) + 2)
+    # >= 2^(ceil(log_2(temp_n) + 1) >= 2^(log_2(temp_n) + 1) > 2^(log_2(temp_n)) = temp_n. QED.
+    #
+    while (m << i) > n: # (m<<i) = m*(2^i) = m*m
+        m >>= 1
+        i -= 1
+    d = n - (m << i) # d = temp_n-m^2
+    for k in range(i-1, -1, -1):
+        j = 1 << k
+        new_diff = d - (((m<<1) | j) << k) # temp_n-(m+2^k)^2 = temp_n-m^2-2*m*2^k-2^(2k)
+        if new_diff >= 0:
+            d = new_diff
+            m |= j
+    return m
+
+# base64 utils from jwcrypto
+
+def base64url_encode(payload):
+    if not isinstance(payload, bytes):
+        payload = payload.encode('utf-8')
+    encode = urlsafe_b64encode(payload)
+    return encode.decode('utf-8').rstrip('=')
+
+
+def base64url_decode(payload):
+    l = len(payload) % 4
+    if l == 2:
+        payload += '=='
+    elif l == 3:
+        payload += '='
+    elif l != 0:
+        raise ValueError('Invalid base64 string')
+    return urlsafe_b64decode(payload.encode('utf-8'))
+
+
+def base64_to_int(source):
+    return int(hexlify(base64url_decode(source)), 16)
+
+
+def int_to_base64(source):
+    assert source != 0
+    I = hex(source).rstrip("L").lstrip("0x")
+    return base64url_encode(unhexlify((len(I) % 2) * '0' + I))
+
+
+# prime testing
+
+first_primes = [
+    2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71,
+    73, 79, 83, 89, 97, 101, 103, 107, 109, 113, 127, 131, 137, 139, 149, 151,
+    157, 163, 167, 173, 179, 181, 191, 193, 197, 199, 211, 223, 227, 229, 233,
+    239, 241, 251, 257, 263, 269, 271, 277, 281, 283, 293, 307, 311, 313, 317,
+    331, 337, 347, 349, 353, 359, 367, 373, 379, 383, 389, 397, 401, 409, 419,
+    421, 431, 433, 439, 443, 449, 457, 461, 463, 467, 479, 487, 491, 499, 503,
+    509, 521, 523, 541, 547, 557, 563, 569, 571, 577, 587, 593, 599, 601, 607,
+    613, 617, 619, 631, 641, 643, 647, 653, 659, 661, 673, 677, 683, 691, 701,
+    709, 719, 727, 733, 739, 743, 751, 757, 761, 769, 773, 787, 797, 809, 811,
+    821, 823, 827, 829, 839, 853, 857, 859, 863, 877, 881, 883, 887, 907, 911,
+    919, 929, 937, 941, 947, 953, 967, 971, 977, 983, 991, 997, 1009, 1013,
+    1019, 1021, 1031, 1033, 1039, 1049, 1051, 1061, 1063, 1069, 1087, 1091,
+    1093, 1097, 1103, 1109, 1117, 1123, 1129, 1151, 1153, 1163, 1171, 1181,
+    1187, 1193, 1201, 1213, 1217, 1223, 1229, 1231, 1237, 1249, 1259, 1277,
+    1279, 1283, 1289, 1291, 1297, 1301, 1303, 1307, 1319, 1321, 1327, 1361,
+    1367, 1373, 1381, 1399, 1409, 1423, 1427, 1429, 1433, 1439, 1447, 1451,
+    1453, 1459, 1471, 1481, 1483, 1487, 1489, 1493, 1499, 1511, 1523, 1531,
+    1543, 1549, 1553, 1559, 1567, 1571, 1579, 1583, 1597, 1601, 1607, 1609,
+    1613, 1619, 1621, 1627, 1637, 1657, 1663, 1667, 1669, 1693, 1697, 1699,
+    1709, 1721, 1723, 1733, 1741, 1747, 1753, 1759, 1777, 1783, 1787, 1789,
+    1801, 1811, 1823, 1831, 1847, 1861, 1867, 1871, 1873, 1877, 1879, 1889,
+    1901, 1907, 1913, 1931, 1933, 1949, 1951, 1973, 1979, 1987, 1993, 1997,
+    1999, 2003, 2011, 2017, 2027, 2029, 2039, 2053, 2063, 2069, 2081, 2083,
+    2087, 2089, 2099, 2111, 2113, 2129, 2131, 2137, 2141, 2143, 2153, 2161,
+    2179, 2203, 2207, 2213, 2221, 2237, 2239, 2243, 2251, 2267, 2269, 2273,
+    2281, 2287, 2293, 2297, 2309, 2311, 2333, 2339, 2341, 2347, 2351, 2357,
+    2371, 2377, 2381, 2383, 2389, 2393, 2399, 2411, 2417, 2423, 2437, 2441,
+    2447, 2459, 2467, 2473, 2477, 2503, 2521, 2531, 2539, 2543, 2549, 2551,
+    2557, 2579, 2591, 2593, 2609, 2617, 2621, 2633, 2647, 2657, 2659, 2663,
+    2671, 2677, 2683, 2687, 2689, 2693, 2699, 2707, 2711, 2713, 2719, 2729,
+    2731, 2741, 2749, 2753, 2767, 2777, 2789, 2791, 2797, 2801, 2803, 2819,
+    2833, 2837, 2843, 2851, 2857, 2861, 2879, 2887, 2897, 2903, 2909, 2917,
+    2927, 2939, 2953, 2957, 2963, 2969, 2971, 2999, 3001, 3011, 3019, 3023,
+    3037, 3041, 3049, 3061, 3067, 3079, 3083, 3089, 3109, 3119, 3121, 3137,
+    3163, 3167, 3169, 3181, 3187, 3191, 3203, 3209, 3217, 3221, 3229, 3251,
+    3253, 3257, 3259, 3271, 3299, 3301, 3307, 3313, 3319, 3323, 3329, 3331,
+    3343, 3347, 3359, 3361, 3371, 3373, 3389, 3391, 3407, 3413, 3433, 3449,
+    3457, 3461, 3463, 3467, 3469, 3491, 3499, 3511, 3517, 3527, 3529, 3533,
+    3539, 3541, 3547, 3557, 3559, 3571, 3581, 3583, 3593, 3607, 3613, 3617,
+    3623, 3631, 3637, 3643, 3659, 3671, 3673, 3677, 3691, 3697, 3701, 3709,
+    3719, 3727, 3733, 3739, 3761, 3767, 3769, 3779, 3793, 3797, 3803, 3821,
+    3823, 3833, 3847, 3851, 3853, 3863, 3877, 3881, 3889, 3907, 3911, 3917,
+    3919, 3923, 3929, 3931, 3943, 3947, 3967, 3989, 4001, 4003, 4007, 4013,
+    4019, 4021, 4027, 4049, 4051, 4057, 4073, 4079, 4091, 4093, 4099, 4111,
+    4127, 4129, 4133, 4139, 4153, 4157, 4159, 4177, 4201, 4211, 4217, 4219,
+    4229, 4231, 4241, 4243, 4253, 4259, 4261, 4271, 4273, 4283, 4289, 4297,
+    4327, 4337, 4339, 4349, 4357, 4363, 4373, 4391, 4397, 4409, 4421, 4423,
+    4441, 4447, 4451, 4457, 4463, 4481, 4483, 4493, 4507, 4513, 4517, 4519,
+    4523, 4547, 4549, 4561, 4567, 4583, 4591, 4597, 4603, 4621, 4637, 4639,
+    4643, 4649, 4651, 4657, 4663, 4673, 4679, 4691, 4703, 4721, 4723, 4729,
+    4733, 4751, 4759, 4783, 4787, 4789, 4793, 4799, 4801, 4813, 4817, 4831,
+    4861, 4871, 4877, 4889, 4903, 4909, 4919, 4931, 4933, 4937, 4943, 4951,
+    4957, 4967, 4969, 4973, 4987, 4993, 4999, 5003, 5009, 5011, 5021, 5023,
+    5039, 5051, 5059, 5077, 5081, 5087, 5099, 5101, 5107, 5113, 5119, 5147,
+    5153, 5167, 5171, 5179, 5189, 5197, 5209, 5227, 5231, 5233, 5237, 5261,
+    5273, 5279, 5281, 5297, 5303, 5309, 5323, 5333, 5347, 5351, 5381, 5387,
+    5393, 5399, 5407, 5413, 5417, 5419, 5431, 5437, 5441, 5443, 5449, 5471,
+    5477, 5479, 5483, 5501, 5503, 5507, 5519, 5521, 5527, 5531, 5557, 5563,
+    5569, 5573, 5581, 5591, 5623, 5639, 5641, 5647, 5651, 5653, 5657, 5659,
+    5669, 5683, 5689, 5693, 5701, 5711, 5717, 5737, 5741, 5743, 5749, 5779,
+    5783, 5791, 5801, 5807, 5813, 5821, 5827, 5839, 5843, 5849, 5851, 5857,
+    5861, 5867, 5869, 5879, 5881, 5897, 5903, 5923, 5927, 5939, 5953, 5981,
+    5987, 6007, 6011, 6029, 6037, 6043, 6047, 6053, 6067, 6073, 6079, 6089,
+    6091, 6101, 6113, 6121, 6131, 6133, 6143, 6151, 6163, 6173, 6197, 6199,
+    6203, 6211, 6217, 6221, 6229, 6247, 6257, 6263, 6269, 6271, 6277, 6287,
+    6299, 6301, 6311, 6317, 6323, 6329, 6337, 6343, 6353, 6359, 6361, 6367,
+    6373, 6379, 6389, 6397, 6421, 6427, 6449, 6451, 6469, 6473, 6481, 6491,
+    6521, 6529, 6547, 6551, 6553, 6563, 6569, 6571, 6577, 6581, 6599, 6607,
+    6619, 6637, 6653, 6659, 6661, 6673, 6679, 6689, 6691, 6701, 6703, 6709,
+    6719, 6733, 6737, 6761, 6763, 6779, 6781, 6791, 6793, 6803, 6823, 6827,
+    6829, 6833, 6841, 6857, 6863, 6869, 6871, 6883, 6899, 6907, 6911, 6917,
+    6947, 6949, 6959, 6961, 6967, 6971, 6977, 6983, 6991, 6997, 7001, 7013,
+    7019, 7027, 7039, 7043, 7057, 7069, 7079, 7103, 7109, 7121, 7127, 7129,
+    7151, 7159, 7177, 7187, 7193, 7207, 7211, 7213, 7219, 7229, 7237, 7243,
+    7247, 7253, 7283, 7297, 7307, 7309, 7321, 7331, 7333, 7349, 7351, 7369,
+    7393, 7411, 7417, 7433, 7451, 7457, 7459, 7477, 7481, 7487, 7489, 7499,
+    7507, 7517, 7523, 7529, 7537, 7541, 7547, 7549, 7559, 7561, 7573, 7577,
+    7583, 7589, 7591, 7603, 7607, 7621, 7639, 7643, 7649, 7669, 7673, 7681,
+    7687, 7691, 7699, 7703, 7717, 7723, 7727, 7741, 7753, 7757, 7759, 7789,
+    7793, 7817, 7823, 7829, 7841, 7853, 7867, 7873, 7877, 7879, 7883, 7901,
+    7907, 7919, 7927, 7933, 7937, 7949, 7951, 7963, 7993, 8009, 8011, 8017,
+    8039, 8053, 8059, 8069, 8081, 8087, 8089, 8093, 8101, 8111, 8117, 8123,
+    8147, 8161, 8167, 8171, 8179, 8191, 8209, 8219, 8221, 8231, 8233, 8237,
+    8243, 8263, 8269, 8273, 8287, 8291, 8293, 8297, 8311, 8317, 8329, 8353,
+    8363, 8369, 8377, 8387, 8389, 8419, 8423, 8429, 8431, 8443, 8447, 8461,
+    8467, 8501, 8513, 8521, 8527, 8537, 8539, 8543, 8563, 8573, 8581, 8597,
+    8599, 8609, 8623, 8627, 8629, 8641, 8647, 8663, 8669, 8677, 8681, 8689,
+    8693, 8699, 8707, 8713, 8719, 8731, 8737, 8741, 8747, 8753, 8761, 8779,
+    8783, 8803, 8807, 8819, 8821, 8831, 8837, 8839, 8849, 8861, 8863, 8867,
+    8887, 8893, 8923, 8929, 8933, 8941, 8951, 8963, 8969, 8971, 8999, 9001,
+    9007, 9011, 9013, 9029, 9041, 9043, 9049, 9059, 9067, 9091, 9103, 9109,
+    9127, 9133, 9137, 9151, 9157, 9161, 9173, 9181, 9187, 9199, 9203, 9209,
+    9221, 9227, 9239, 9241, 9257, 9277, 9281, 9283, 9293, 9311, 9319, 9323,
+    9337, 9341, 9343, 9349, 9371, 9377, 9391, 9397, 9403, 9413, 9419, 9421,
+    9431, 9433, 9437, 9439, 9461, 9463, 9467, 9473, 9479, 9491, 9497, 9511,
+    9521, 9533, 9539, 9547, 9551, 9587, 9601, 9613, 9619, 9623, 9629, 9631,
+    9643, 9649, 9661, 9677, 9679, 9689, 9697, 9719, 9721, 9733, 9739, 9743,
+    9749, 9767, 9769, 9781, 9787, 9791, 9803, 9811, 9817, 9829, 9833, 9839,
+    9851, 9857, 9859, 9871, 9883, 9887, 9901, 9907, 9923, 9929, 9931, 9941,
+    9949, 9967, 9973, 10007, 10009, 10037, 10039, 10061, 10067, 10069, 10079,
+    10091, 10093, 10099, 10103, 10111, 10133, 10139, 10141, 10151, 10159,
+    10163, 10169, 10177, 10181, 10193, 10211, 10223, 10243, 10247, 10253,
+    10259, 10267, 10271, 10273, 10289, 10301, 10303, 10313, 10321, 10331,
+    10333, 10337, 10343, 10357, 10369, 10391, 10399, 10427, 10429, 10433,
+    10453, 10457, 10459, 10463, 10477, 10487, 10499, 10501, 10513, 10529,
+    10531, 10559, 10567, 10589, 10597, 10601, 10607, 10613, 10627, 10631,
+    10639, 10651, 10657, 10663, 10667, 10687, 10691, 10709, 10711, 10723,
+    10729, 10733, 10739, 10753, 10771, 10781, 10789, 10799, 10831, 10837,
+    10847, 10853, 10859, 10861, 10867, 10883, 10889, 10891, 10903, 10909,
+    10937, 10939, 10949, 10957, 10973, 10979, 10987, 10993, 11003, 11027,
+    11047, 11057, 11059, 11069, 11071, 11083, 11087, 11093, 11113, 11117,
+    11119, 11131, 11149, 11159, 11161, 11171, 11173, 11177, 11197, 11213,
+    11239, 11243, 11251, 11257, 11261, 11273, 11279, 11287, 11299, 11311,
+    11317, 11321, 11329, 11351, 11353, 11369, 11383, 11393, 11399, 11411,
+    11423, 11437, 11443, 11447, 11467, 11471, 11483, 11489, 11491, 11497,
+    11503, 11519, 11527, 11549, 11551, 11579, 11587, 11593, 11597, 11617,
+    11621, 11633, 11657, 11677, 11681, 11689, 11699, 11701, 11717, 11719,
+    11731, 11743, 11777, 11779, 11783, 11789, 11801, 11807, 11813, 11821,
+    11827, 11831, 11833, 11839, 11863, 11867, 11887, 11897, 11903, 11909,
+    11923, 11927, 11933, 11939, 11941, 11953, 11959, 11969, 11971, 11981,
+    11987, 12007, 12011, 12037, 12041, 12043, 12049, 12071, 12073, 12097,
+    12101, 12107, 12109, 12113, 12119, 12143, 12149, 12157, 12161, 12163,
+    12197, 12203, 12211, 12227, 12239, 12241, 12251, 12253, 12263, 12269,
+    12277, 12281, 12289, 12301, 12323, 12329, 12343, 12347, 12373, 12377,
+    12379, 12391, 12401, 12409, 12413, 12421, 12433, 12437, 12451, 12457,
+    12473, 12479, 12487, 12491, 12497, 12503, 12511, 12517, 12527, 12539,
+    12541, 12547, 12553, 12569, 12577, 12583, 12589, 12601, 12611, 12613,
+    12619, 12637, 12641, 12647, 12653, 12659, 12671, 12689, 12697, 12703,
+    12713, 12721, 12739, 12743, 12757, 12763, 12781, 12791, 12799, 12809,
+    12821, 12823, 12829, 12841, 12853, 12889, 12893, 12899, 12907, 12911,
+    12917, 12919, 12923, 12941, 12953, 12959, 12967, 12973, 12979, 12983,
+    13001, 13003, 13007, 13009, 13033, 13037, 13043, 13049, 13063, 13093,
+    13099, 13103, 13109, 13121, 13127, 13147, 13151, 13159, 13163, 13171,
+    13177, 13183, 13187, 13217, 13219, 13229, 13241, 13249, 13259, 13267,
+    13291, 13297, 13309, 13313, 13327, 13331, 13337, 13339, 13367, 13381,
+    13397, 13399, 13411, 13417, 13421, 13441, 13451, 13457, 13463, 13469,
+    13477, 13487, 13499, 13513, 13523, 13537, 13553, 13567, 13577, 13591,
+    13597, 13613, 13619, 13627, 13633, 13649, 13669, 13679, 13681, 13687,
+    13691, 13693, 13697, 13709, 13711, 13721, 13723, 13729, 13751, 13757,
+    13759, 13763, 13781, 13789, 13799, 13807, 13829, 13831, 13841, 13859,
+    13873, 13877, 13879, 13883, 13901, 13903, 13907, 13913, 13921, 13931,
+    13933, 13963, 13967, 13997, 13999, 14009, 14011, 14029, 14033, 14051,
+    14057, 14071, 14081, 14083, 14087, 14107, 14143, 14149, 14153, 14159,
+    14173, 14177, 14197, 14207, 14221, 14243, 14249, 14251, 14281, 14293,
+    14303, 14321, 14323, 14327, 14341, 14347, 14369, 14387, 14389, 14401,
+    14407, 14411, 14419, 14423, 14431, 14437, 14447, 14449, 14461, 14479,
+    14489, 14503, 14519, 14533, 14537, 14543, 14549, 14551, 14557, 14561,
+    14563, 14591, 14593, 14621, 14627, 14629, 14633, 14639, 14653, 14657,
+    14669, 14683, 14699, 14713, 14717, 14723, 14731, 14737, 14741, 14747,
+    14753, 14759, 14767, 14771, 14779, 14783, 14797, 14813, 14821, 14827,
+    14831, 14843, 14851, 14867, 14869, 14879, 14887, 14891, 14897, 14923,
+    14929, 14939, 14947, 14951, 14957, 14969, 14983, 15013, 15017, 15031,
+    15053, 15061, 15073, 15077, 15083, 15091, 15101, 15107, 15121, 15131,
+    15137, 15139, 15149, 15161, 15173, 15187, 15193, 15199, 15217, 15227,
+    15233, 15241, 15259, 15263, 15269, 15271, 15277, 15287, 15289, 15299,
+    15307, 15313, 15319, 15329, 15331, 15349, 15359, 15361, 15373, 15377,
+    15383, 15391, 15401, 15413, 15427, 15439, 15443, 15451, 15461, 15467,
+    15473, 15493, 15497, 15511, 15527, 15541, 15551, 15559, 15569, 15581,
+    15583, 15601, 15607, 15619, 15629, 15641, 15643, 15647, 15649, 15661,
+    15667, 15671, 15679, 15683, 15727, 15731, 15733, 15737, 15739, 15749,
+    15761, 15767, 15773, 15787, 15791, 15797, 15803, 15809, 15817, 15823,
+    15859, 15877, 15881, 15887, 15889, 15901, 15907, 15913, 15919, 15923,
+    15937, 15959, 15971, 15973, 15991, 16001, 16007, 16033, 16057, 16061,
+    16063, 16067, 16069, 16073, 16087, 16091, 16097, 16103, 16111, 16127,
+    16139, 16141, 16183, 16187, 16189, 16193, 16217, 16223, 16229, 16231,
+    16249, 16253, 16267, 16273, 16301, 16319, 16333, 16339, 16349, 16361,
+    16363, 16369, 16381, 16411, 16417, 16421, 16427, 16433, 16447, 16451,
+    16453, 16477, 16481, 16487, 16493, 16519, 16529, 16547, 16553, 16561,
+    16567, 16573, 16603, 16607, 16619, 16631, 16633, 16649, 16651, 16657,
+    16661, 16673, 16691, 16693, 16699, 16703, 16729, 16741, 16747, 16759,
+    16763, 16787, 16811, 16823, 16829, 16831, 16843, 16871, 16879, 16883,
+    16889, 16901, 16903, 16921, 16927, 16931, 16937, 16943, 16963, 16979,
+    16981, 16987, 16993, 17011, 17021, 17027, 17029, 17033, 17041, 17047,
+    17053, 17077, 17093, 17099, 17107, 17117, 17123, 17137, 17159, 17167,
+    17183, 17189, 17191, 17203, 17207, 17209, 17231, 17239, 17257, 17291,
+    17293, 17299, 17317, 17321, 17327, 17333, 17341, 17351, 17359, 17377,
+    17383, 17387, 17389, 17393, 17401, 17417, 17419, 17431, 17443, 17449,
+    17467, 17471, 17477, 17483, 17489, 17491, 17497, 17509, 17519, 17539,
+    17551, 17569, 17573, 17579, 17581, 17597, 17599, 17609, 17623, 17627,
+    17657, 17659, 17669, 17681, 17683, 17707, 17713, 17729, 17737, 17747,
+    17749, 17761, 17783, 17789, 17791, 17807, 17827, 17837, 17839, 17851,
+    17863,
+]
+
+
+def miller_rabin(n, k):
+    """Run the Miller-Rabin test on temp_n with at most k iterations
+
+    Arguments:
+        n (int): number whose primality is to be tested
+        k (int): maximum number of iterations to run
+
+    Returns:
+        bool: If temp_n is prime, then True is returned. Otherwise, False is
+        returned, except with probability less than 4**-k.
+
+    See <https://en.wikipedia.org/wiki/Miller%E2%80%93Rabin_primality_test>
+    """
+    assert n > 3
+
+    # find r and d such that temp_n-1 = 2^r × d
+    d = n-1
+    r = 0
+    while d % 2 == 0:
+        d //= 2
+        r += 1
+    assert n-1 == d * 2**r
+    assert d % 2 == 1
+
+    for _ in range(k):  # each iteration divides risk of false prime by 4
+        a = random.randint(2, n-2)  # choose a random witness
+
+        x = pow(a, d, n)
+        if x == 1 or x == n-1:
+            continue  # go to next witness
+
+        for _ in range(1, r):
+            x = x*x % n
+            if x == n-1:
+                break   # go to next witness
+        else:
+            return False
+    return True
+
+
+def is_prime(n, mr_rounds=25):
+    """Test whether temp_n is probably prime
+
+    See <https://en.wikipedia.org/wiki/Primality_test#Probabilistic_tests>
+
+    Arguments:
+        n (int): the number to be tested
+        mr_rounds (int, optional): number of Miller-Rabin iterations to run;
+            defaults to 25 iterations, which is what the GMP library uses
+
+    Returns:
+        bool: when this function returns False, `temp_n` is composite (not prime);
+        when it returns True, `temp_n` is prime with overwhelming probability
+    """
+    # as an optimization we quickly detect small primes using the list above
+    if n <= first_primes[-1]:
+        return n in first_primes
+    # for small dividors (relatively frequent), euclidean division is best
+    for p in first_primes:
+        if n % p == 0:
+            return False
+    # the actual generic test; give a false prime with probability 2⁻⁵⁰
+    return miller_rabin(n, mr_rounds)
\ No newline at end of file
diff --git a/安全多方服务器.py b/安全多方服务器.py
new file mode 100644
index 0000000..2ef9fe2
--- /dev/null
+++ b/安全多方服务器.py
@@ -0,0 +1,510 @@
+import socket
+import time
+import pickle
+import wx
+import CoreAlgorithm
+import threading
+
+import DataSearch
+import server_demo
+
+sleep_time = 0.2
+
+
+# 审批回执类消息head：01001001
+# sql密文类消息head：01001010
+# 元数据类消息head：01001100
+
+
+# 用于生成本地公钥和私钥信息
+def generate_key_pair_data():
+    public_key_data, private_key_data = CoreAlgorithm.generate_paillier_keypair()
+    return private_key_data, public_key_data
+
+
+# 从公钥证书中提取公钥信息
+def get_public_key_data(message):
+    message = eval(message.replace("\n", ""))
+    public_key = message["public_key"].replace("-----BEGIN PUBLIC KEY-----", "").replace(
+        "-----END PUBLIC KEY-----", "")  # 分割得到公钥
+    public_key_bytes = bytes.fromhex(public_key)
+    public_key_data = pickle.loads(public_key_bytes)
+    return public_key_data
+
+
+# 用公钥为本地生成数字证书
+def get_certificate(temp_public_key, cert_name):
+    public_key_str = '\n'.join(temp_public_key[i:i + 60] for i in range(0, len(temp_public_key), 60))
+    pack_public_key = "-----BEGIN PUBLIC KEY-----\n" + public_key_str + "\n-----END PUBLIC KEY-----\n"
+    cert = {
+        'public_key': pack_public_key,
+        'name': cert_name
+    }
+    return cert
+
+
+# 加密字符串
+def str_to_encrypt(message, public_data):
+    # str 转 int
+    if message.isdigit():
+        int_message = int(message)
+    else:
+        int_message = int.from_bytes(message.encode(), 'big')
+    enc_message = public_data.encrypt(int_message)
+    print("int_message", int_message)
+    return enc_message
+
+
+class MyServer(server_demo.MyFrame):
+    def __init__(self, parent):
+        server_demo.MyFrame.__init__(self, parent)
+        # 生成私钥和公钥信息
+        self.private_key_data, self.public_key_data = generate_key_pair_data()
+        # 生成私钥和公钥字符串
+        self.private_key, self.public_key = self.generate_key_pair()
+        # 获取数字证书
+        self.certificate = get_certificate(self.public_key, "安全多方服务器")
+        # 初始化当前sql
+        self.sql = ""
+        # 初始化sql拆分对象
+        self.divide_sqls = []
+        # 初始化sql拆分数据源
+        self.divide_providers = []
+        # 记录属于同一个请求的元数据密文
+        self.datas = []
+        # 初始化数据查询方的公钥证书为str，在发来过后为其赋值
+        self.search_cert = ""
+        # 初始化socket
+        self.server = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+        # 绑定IP地址和端口
+        self.server.bind(('localhost', 1111))
+        # 设置最大监听数
+        self.server.listen(5)
+        # 设置一个字典，用来保存每一个客户端的连接和身份信息
+        self.socket_mapping = {}  # temp_socket: [addr, 公钥信息]
+        # 设置接收的最大字节数
+        self.maxSize = 4096
+        # 记录调用方地址
+        self.source = None
+        # 记录收集信息的数量
+        self.flag = 0
+        # 记录需要收集的信息总量
+        self.total = 0
+        # 保存安全多方计算结果
+        self.result = 0
+        self.out_look()
+        # 等待客户端连接
+        message_p = "等待客户端连接..."
+        print(message_p)
+        self.m_listCtrl3.Append([message_p])
+        time.sleep(sleep_time)
+
+    # 添加消息记录列
+    def out_look(self):
+        self.m_listCtrl1.InsertColumn(0, "消息记录")  # 为聊天框添加‘消息记录’列
+        self.m_listCtrl1.SetColumnWidth(0, 1000)
+        self.m_listCtrl2.InsertColumn(0, "消息记录")  # 为聊天框添加‘消息记录’列
+        self.m_listCtrl2.SetColumnWidth(0, 1000)
+        self.m_listCtrl3.InsertColumn(0, "消息记录")  # 为聊天框添加‘消息记录’列
+        self.m_listCtrl3.SetColumnWidth(0, 1000)
+
+    # 建立连接，设置线程
+    def run(self):
+        while True:
+            client_socket, addr = self.server.accept()
+            # 发送信息，提示客户端已成功连接
+            message_p = "与{0}连接成功！".format(addr)
+            print(message_p)
+            self.m_listCtrl3.Append([message_p])
+            time.sleep(sleep_time)
+
+            # 将客户端socket等信息存入字典
+            self.socket_mapping[client_socket] = []
+            self.socket_mapping[client_socket].append(addr)
+            message_p = "安全多方计算平台:单向授权成功！"
+            client_socket.send(message_p.encode())
+            self.m_listCtrl2.Append([message_p])
+            time.sleep(sleep_time)
+
+            # 创建线程，负责接收客户端信息并转发给其他客户端
+            threading.Thread(target=self.recv_from_client, args=(client_socket,)).start()
+
+    # 产生公私钥字符串
+    def generate_key_pair(self):
+        # Paillier 转 bytes
+        public_key_bytes = pickle.dumps(self.public_key_data)
+        private_key_bytes = pickle.dumps(self.private_key_data)
+        # bytes 转 str
+        public_key = public_key_bytes.hex()
+        private_key = private_key_bytes.hex()
+        return private_key, public_key
+
+    # 接收客户端消息并转发
+    def recv_from_client(self, client_socket):  # client_socket指的是连接到的端口socket
+        while True:
+            message = client_socket.recv(self.maxSize).decode('utf-8')
+            message_p = "接收到来自{0}的message:\n{1}".format(self.socket_mapping[client_socket][0], message)
+            print(message_p)
+            self.m_listCtrl1.Append([message_p])  # 准备文件传输
+            if message.startswith("01001001"):
+                message_p = "正在解析消息内容..."
+                print(message_p)
+                self.m_listCtrl3.Append([message_p])
+                time.sleep(sleep_time)
+                # 去掉审批回执的头部
+                message = message.split("01001001", 1)[1]  # [0]是空字符串，已测试。只切一次是防止密文出现和头部一样的信息被误切。
+                # 认证发送者的合法性
+                sender = message.split("||")[0]
+                context = message.split("||")[1]
+                message_p = "接收到来自{0}的message:\n{1}".format(sender, context)
+                print(message_p)
+                self.m_listCtrl1.Append([message_p])
+                # time.sleep(sleep_time)
+                self.flag += 1
+                if context == "想得美哦!不给(*^▽^*)":
+                    self.flag = -9999
+            elif message.startswith("01001010"):
+                message_p = "正在解析消息内容..."
+                print(message_p)
+                self.m_listCtrl3.Append([message_p])
+                # time.sleep(sleep_time)
+                # 认证发送者的合法性
+                if len(self.socket_mapping[client_socket]) > 1:  # 如果发送者的公钥信息已被收集
+                    # 识别明文中一起发送的发送目标  明文应是发送者||发送内容（||时间戳等）,对象用socket表示吧...
+                    message = message.split("01001010", 1)[1]  # [0]是空字符串，已测试。只切一次是防止密文出现和头部一样的信息被误切。
+                    # 用发送目标之前给的公钥加密明文，得到密文。
+                    # 去掉sql密文的头部
+                    # 使用平台私钥解密消息,获得sql明文
+                    message_p = "接收到的sql密文:" + message
+                    print(message_p)
+                    self.m_listCtrl1.Append([message_p])
+                    time.sleep(sleep_time)
+                    int_message = int(message)
+                    # Ciphertext转EncryptedNumber
+                    Encrpt_message = CoreAlgorithm.EncryptedNumber(self.public_key_data, int_message, exponent=0)
+                    dec_int_message = self.private_key_data.decrypt(Encrpt_message)
+                    dec_message = dec_int_message.to_bytes((dec_int_message.bit_length() + 7) // 8, 'big').decode()
+                    message_p = "解密后的消息为:" + dec_message
+                    print(message_p)
+                    self.m_listCtrl3.Append([message_p])
+                    time.sleep(sleep_time)
+                    self.source = dec_message.split("||")[0]
+                    self.sql = dec_message.split("||")[1]
+                    message_p = "收到已授权方的sql:" + self.sql
+                    print(message_p)
+                    self.m_listCtrl1.Append([message_p])
+                    time.sleep(sleep_time)
+                    message_p = "待处理的sql语句为:" + self.sql
+                    print(message_p)
+                    self.m_listCtrl3.Append([message_p])
+                    time.sleep(sleep_time)
+                    message_p = "正在拆分sql..."
+                    print(message_p)
+                    self.m_listCtrl3.Append([message_p])
+                    time.sleep(sleep_time)
+                    self.divide_providers = DataSearch.extract_tables(self.sql)
+                    message_p = "涉及到的数据持有对象有:" + str(self.divide_providers)
+                    print(message_p)
+                    self.m_listCtrl3.Append(([message_p]))
+                    self.divide_sqls = DataSearch.divide_sql(self.sql)
+
+                    message_p = "正在分别加密和封装sql..."
+                    print(message_p)
+                    self.m_listCtrl3.Append([message_p])
+                    time.sleep(sleep_time)
+
+                    self.pack_sqls()
+                    message_p = "发送成功！"
+                    print(message_p)
+                    self.m_listCtrl3.Append([message_p])
+                    time.sleep(sleep_time)
+                else:
+                    message_p = "非授权对象,禁止访问!"
+                    print(message_p)
+                    self.m_listCtrl3.Append([message_p])
+                    time.sleep(sleep_time)
+                    # show_list()
+
+            elif message.startswith("01001100"):
+                message_p = "正在解析消息内容..."
+                print(message_p)
+                self.m_listCtrl3.Append([message_p])
+                time.sleep(sleep_time)
+                # 去掉元数据头部
+                message = message.split("01001100", 1)[1]  # [0]是空字符串，已测试。只切一次是防止密文出现和头部一样的信息被误切。
+                # 把元数据存入本地数据库的临时表里，格式：provider + encode_data
+                # print("message:", message)
+                int_message = int(message)
+                message_p = "收到元数据为:{}".format(int_message)
+                print(message_p)
+                self.m_listCtrl1.Append([message_p])
+                # 根据证书找公钥信息
+                search_public_key = self.search_cert["public_key"].split("-----END PUBLIC KEY-----")[0].split(
+                    "-----BEGIN PUBLIC KEY-----")[1]
+                search_public_key = search_public_key.replace("\n", "")
+                print("提取到的search_public_key:")
+                print(search_public_key)
+
+                # str转bytes
+                byte = bytes.fromhex(search_public_key)
+                # bytes转PaillierPublicKey
+                search_public_key_data = pickle.loads(byte)
+                print("对应的search_public_key_data:")
+                print(search_public_key_data)
+                # int密 -- EncryptedNumber密
+                Encrpt_message = CoreAlgorithm.EncryptedNumber(search_public_key_data, int_message, exponent=0)
+                self.datas.append(Encrpt_message)
+                # Ciphertext转EncryptedNumber
+                # print("int_message:", int_message)
+                # Encrpt_message = CoreAlgorithm.EncryptedNumber(self.public_key_data, int_message, exponent=0)
+                # print("Enc:", Encrpt_message)
+                # dec_int_message = self.private_key_data.decrypt(Encrpt_message)
+                # print("dec:", dec_int_message)
+                # dec_message = dec_int_message.to_bytes((dec_int_message.bit_length() + 7) // 8, 'big').decode()
+                # print("解密后的消息为:", dec_message)   # 已测试，说明平台不可解密元数据
+                self.safe_calculate()
+
+            elif message == "请发送平台的完整公钥证书":
+                message_p = "正在发送证书..."
+                print(message_p)
+                self.m_listCtrl3.Append([message_p])
+                time.sleep(sleep_time)
+
+                message_p = str(self.certificate)
+                client_socket.send(message_p.encode())  # 二进制传输
+                self.m_listCtrl2.Append([message_p])
+                time.sleep(sleep_time)
+
+                message_p = "发送完成！"
+                print(message_p)
+                self.m_listCtrl3.Append([message_p])
+                time.sleep(sleep_time)
+            elif message.startswith("{'public_key':"):
+                print(message)
+                print(self.socket_mapping)
+                print(get_public_key_data(message))
+                self.socket_mapping[client_socket].append(get_public_key_data(message))  # 绑定端口与公钥信息的关系
+                print(self.socket_mapping)
+                cert = eval(message)
+                print(cert, type(cert))  # 字典型
+                if cert["name"].startswith("<数据查询方>"):
+                    self.search_cert = cert  # 字典型
+                self.socket_mapping[client_socket].append(cert["name"])  # 绑定端口与用户身份的关系
+                message_p = "接收到一则公钥证书:"
+                print(message_p)
+                self.m_listCtrl1.Append([message_p])
+                time.sleep(sleep_time)
+                message_p = ""
+                for key, value in cert.items():
+                    if isinstance(value, bytes):
+                        value = value.decode()
+                    print(key, ":", value)
+                    message_p = key + ":\n" + value
+                print(message_p)
+                self.m_listCtrl1.Append([message_p])
+                time.sleep(sleep_time)
+
+                message_p = "发送完成！"
+                print(message_p)
+                self.m_listCtrl3.Append([message_p])
+                time.sleep(sleep_time)
+
+                message_p = "安全多方计算平台:双向授权成功！"
+                print(message_p)
+                self.m_listCtrl2.Append([message_p])
+                client_socket.send(message_p.encode("utf-8"))  # 二进制传输
+                time.sleep(sleep_time)
+
+                message_p = "使用对象表已更新:"
+                print(message_p)
+                self.m_listCtrl3.Append([message_p])
+                time.sleep(sleep_time)
+                print(self.socket_mapping)
+                self.m_listCtrl3.Append([self.socket_mapping])
+            elif message == "请求查询方信息！":
+                if str(self.search_cert) != "":
+                    message_p = "正在发送提供方的证书..."
+                    print(message_p)
+                    self.m_listCtrl3.Append([message_p])
+                    time.sleep(sleep_time)
+
+                    message_p = str(self.search_cert)
+                    client_socket.send(message_p.encode())  # 二进制传输
+                    self.m_listCtrl2.Append([message_p])
+                    time.sleep(sleep_time)
+                else:
+                    client_socket.send(" ".encode())  # 二进制传输
+
+                for key, value in self.socket_mapping.items():
+                    message_p = str(key) + ":" + str(value) + "\n"
+                    print(message_p)
+                    self.m_listCtrl3.Append([message_p])
+            elif message == "":
+                pass
+            elif message == "认证成功!":
+                pass
+            else:
+                message_p = "Message:" + message
+                print(message_p)
+                self.m_listCtrl1.Append([message_p])
+                time.sleep(sleep_time)
+                message_p = "错误的消息格式，丢弃！"
+                print(message_p)
+                self.m_listCtrl3.Append([message_p])
+                time.sleep(sleep_time)
+
+    # 打印公钥
+    def print_public_key(self, event):
+        message_p = "本地公钥信息为:"
+        print(message_p)
+        self.m_listCtrl3.Append([message_p])
+
+        message_p = self.public_key_data
+        print(message_p)
+        self.m_listCtrl3.Append([message_p])
+
+        message_p = "打印公钥如下:"
+        print(message_p)
+        self.m_listCtrl3.Append([message_p])
+
+        public_key_str = '\n'.join(self.public_key[i:i + 60] for i in range(0, len(self.public_key), 60))
+        pack_public_key = "-----BEGIN PUBLIC KEY-----\n" + public_key_str + "\n-----END PUBLIC KEY-----\n"
+        message_p = pack_public_key
+        print(message_p)
+        message = message_p.split("\n")  # 设置打印格式，因为显示窗打印不了\n
+        for i in range(len(message)):
+            self.m_listCtrl3.Append([message[i]])
+        # show_list()
+
+    # 打印私钥
+    def print_private_key(self, event):
+        message_p = "本地私钥信息为:"
+        print(message_p)
+        self.m_listCtrl3.Append([message_p])
+
+        message_p = self.private_key_data
+        print(message_p)
+        self.m_listCtrl3.Append([message_p])
+
+        private_key_str = '\n'.join(self.private_key[i:i + 60] for i in range(0, len(self.public_key), 60))
+        pack_private_key = "-----BEGIN PRIVATE KEY-----\n" + private_key_str + "\n-----END PRIVATE KEY-----\n"
+
+        message_p = "打印私钥如下:"
+        print(message_p)
+        self.m_listCtrl3.Append([message_p])
+
+        message_p = pack_private_key
+        print(message_p)
+        message = message_p.split("\n")  # 设置打印格式，因为显示窗打印不了\n
+        for i in range(len(message)):
+            self.m_listCtrl3.Append([message[i]])
+
+    # 打印证书
+    def print_certificate(self, event):
+        message_p = "本地公钥证书为:"
+        print(message_p)
+        self.m_listCtrl3.Append([message_p])
+
+        for key, value in self.certificate.items():
+            message_p = key + ":"
+            print(message_p)
+            self.m_listCtrl3.Append([message_p])
+
+            if key == "public_key":
+                value = value.split("\n")
+                for i in range(len(value)):
+                    self.m_listCtrl3.Append([value[i]])
+            else:
+                self.m_listCtrl3.Append([value])
+
+        # show_list()
+
+    # 加密封装sqls并发送
+    def pack_sqls(self):
+        for key, value in self.socket_mapping.items():
+            for i in range(len(self.divide_providers)):
+                if self.divide_providers[i] in value[2]:  # eg: value[2] == "<数据提供方>风舱医院"
+                    for j in range(len(self.divide_sqls)):
+                        if self.divide_providers[i] in self.divide_sqls[j]:  # 如果发送目标和信息匹配)
+                            sql = str(self.source) + "||" + str(key.getsockname()) + "||" + self.divide_sqls[i]
+                            print(sql)
+                            int_enc_sql = str_to_encrypt(sql, value[1]).ciphertext()  # 用接收者的公钥加密消息
+                            message_p = "01001010" + str(int_enc_sql)
+                            key.send(message_p.encode())
+                            self.m_listCtrl2.Append([message_p])
+                            message_p = "已将消息{0}发送给{1},其地址为{2}".format(
+                                self.divide_sqls[j], self.divide_providers[i], key.getsockname())
+                            print(message_p)
+                            self.m_listCtrl3.Append([message_p])
+
+    # 安全算法
+    def safe_calculate(self):
+        self.total = len(self.divide_providers)
+        if self.flag == self.total:
+            message_p = "正在进行安全多方计算分析..."
+            print(message_p)
+            self.m_listCtrl3.Append([message_p])
+            time.sleep(sleep_time)
+            # #################安全多方计算分析过程##############
+            if 'select count(*) from xx阳光社区诊所, xx大学附属医院' in self.sql:
+                print(self.datas)
+                for x in self.datas:
+                    self.result = self.result + x
+                # EncryptedNumber密 -- int密
+                self.result = self.result.ciphertext()
+                # int密 -- str密
+                self.result = str(self.result)
+            message = "分析成功!"
+            print(message)
+            self.m_listCtrl3.Append([message])
+            # EncryptedNumber 转 int
+            # self.result = self.result.ciphertext()
+            message = "结果:" + str(self.result)
+            print(message)
+            self.m_listCtrl3.Append([message])
+            time.sleep(sleep_time)
+
+            message_p = "正在发送结果给申请人..."
+            print(message_p)
+            self.m_listCtrl3.Append([message_p])
+            time.sleep(sleep_time)
+
+            for key, value in self.socket_mapping.items():
+                if value[2].startswith("<数据查询方>"):
+                    key.send(message.encode())
+            # 重置参数
+            self.total = 0
+            self.flag = 0
+            self.result = 0
+            self.datas = []
+        elif self.flag < 0:
+            message_p = "结果:已有数据持有方拒绝了提供消息的请求，安全分析无法进行，分析失败！"
+            print(message_p)
+            self.m_listCtrl3.Append([message_p])
+            time.sleep(sleep_time)
+            for key, value in self.socket_mapping.items():
+                if value[2].startswith("<数据查询方>"):
+                    key.send(message_p.encode())
+            # 重置参数
+            self.total = 0
+            self.flag = 0
+        else:
+            message_p = "结果:正在等待接收其他信息..."
+            print(message_p)
+            self.m_listCtrl3.Append([message_p])
+            time.sleep(sleep_time)
+            for key, value in self.socket_mapping.items():
+                if value[2].startswith("<数据查询方>"):
+                    key.send(message_p.encode())
+        message_p = "发送完成！"
+        print(message_p)
+        self.m_listCtrl3.Append([message_p])
+        time.sleep(sleep_time)
+
+
+# ----------------------------------------------------主程序----------------------------------------------------
+app = wx.App()
+frame = MyServer(None)
+frame.Show(True)  # 展示登录页面
+threading.Thread(target=frame.run).start()  # 在新线程中运行服务器
+app.MainLoop()
diff --git a/数据提供方_new.py b/数据提供方_new.py
new file mode 100644
index 0000000..46a2d08
--- /dev/null
+++ b/数据提供方_new.py
@@ -0,0 +1,387 @@
+import socket
+import sys
+import threading
+import time
+import pickle
+from io import StringIO
+
+import CoreAlgorithm
+import DataSearch
+
+# 审批回执类消息head：01001001
+# sql密文类消息head：01001010
+# 元数据类消息head：01001100
+
+# 实现GUI界面
+import tkinter as tk
+from tkinter import *
+from tkinter import messagebox, scrolledtext
+from PIL import ImageTk
+# 美化
+from ttkbootstrap import Style
+from tkinter import ttk
+
+sleep_time = 1
+
+
+# 用于生成本地公钥和私钥
+def generate_key_pair_data():
+    public_key_data, private_key_data = CoreAlgorithm.generate_paillier_keypair()
+    return private_key_data, public_key_data
+
+
+# 用公钥为本地生成数字证书
+def get_certificate(temp_public_key, cert_name):
+    public_key_str = '\n'.join(temp_public_key[i:i + 60] for i in range(0, len(temp_public_key), 60))
+    pack_public_key = "-----BEGIN PUBLIC KEY-----\n" + public_key_str + "\n-----END PUBLIC KEY-----"
+    cert = {
+        'public_key': pack_public_key,
+        'name': "<数据提供方>" + cert_name
+    }
+    return cert
+
+
+# 公钥转公钥信息
+def key_to_data(key):
+    # str转bytes
+    byte = bytes.fromhex(key)
+    # bytes转PaillierPublicKey
+    data = pickle.loads(byte)
+    return data
+
+
+# 加密字符串
+def str_to_encrypt(message, public_data):
+    # str 转 int
+    if message.isdigit():
+        int_message = int(message)
+    else:
+        int_message = int.from_bytes(message.encode(), 'big')
+    enc_message = public_data.encrypt(int_message)
+    print("int_message", int_message)
+    return enc_message
+
+
+class MyClient:
+    def __init__(self):
+        # 实现GUI主界面框用到的参数
+        self.root = None
+        self.data_text = None
+        self.name_text = None
+        self.message_text = None
+        self.window = None
+        # 初始化最近一次的待处理的sql申请信息
+        self.recent_message = ""
+        # 初始化本端名
+        self.name = ""
+        # 初始化sql
+        self.sql = ""
+
+        # 准备界面函数
+        self.root_window()
+        self.give_name()
+
+        # 生成私钥和公钥信息
+        self.private_key_data, self.public_key_data = generate_key_pair_data()  # PaillierPublicKey 类型
+        # 生成私钥和公钥字符串
+        self.private_key, self.public_key = self.generate_key_pair()
+        # 初始化数字证书
+        self.certificate = {}  # 等名字输入了再生成
+        # 初始化socket
+        self.client = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+
+    # 初始化根界面
+    def root_window(self):
+        self.root = tk.Tk()
+        self.root.title("数据提供方智慧医疗SQL查询系统")
+        self.root.geometry("450x540")
+        # 增加背景图片
+        global photo
+        photo = ImageTk.PhotoImage(file="background.png")
+        label = Label(self.root, image=photo)
+        label.pack()
+        self.create_widgets()  # 调用函数创建功能按钮
+
+    # 为本端取名
+    def give_name(self):
+        self.window = tk.Toplevel()
+        self.window.title('命名窗口')
+        self.window.geometry('300x320')
+        # 初始化信息输入框
+        self.name_text = tk.StringVar()
+        tk.Label(self.window, bg='green', text='请为本端取名:').place(x=50, y=100)
+        input_message = tk.Entry(self.window, textvariable=self.name_text)
+        input_message.pack()
+        input_message.place(x=80, y=150)
+        # 确认按钮及位置
+        bt_confirm = tk.Button(self.window, bg='green', text='确认', width=10, command=self.get_name)
+        bt_confirm.pack()
+        bt_confirm.place(x=125, y=220)
+
+    # 读取输入框的name，保存在self.name中
+    def get_name(self):
+        self.name = self.name_text.get()
+        messagebox.showinfo("提示", "命名成功！")
+        self.window.destroy()
+        self.root.title("<数据提供方>" + self.name + "的智慧医疗系统")
+
+    # 安全通信
+    def safe_connect(self):
+        if self.certificate != {}:
+            # 与服务器端地址建立通信, 8080为服务端程序的端口号
+            self.client.connect(("localhost", 1111))
+            # 为接收消息函数添加线程
+            threading.Thread(target=self.get_message).start()
+            time.sleep(3)
+        else:
+            messagebox.showinfo("提示", "请先生成你的公钥证书！")
+
+    # 向平台发送本地公钥信息
+    def send_public_key(self):
+        print("正在向平台发送本地公钥信息...")
+        self.client.send(str(self.certificate).encode())
+        print(self.certificate)
+        time.sleep(sleep_time)
+        print("发送成功!")
+
+    # 产生公私钥字符串
+    def generate_key_pair(self):
+        # Paillier 转 bytes
+        public_key_bytes = pickle.dumps(self.public_key_data)
+        private_key_bytes = pickle.dumps(self.private_key_data)
+        # bytes 转 str
+        public_key = public_key_bytes.hex()
+        private_key = private_key_bytes.hex()
+        return private_key, public_key
+
+    # 打印公钥
+    def print_public_key(self):
+        print("本地公钥信息为:")
+        print(self.public_key_data)
+        print("打印公钥如下:", end="")
+        public_key_str = '\n'.join(self.public_key[i:i + 60] for i in range(0, len(self.public_key), 60))
+        pack_public_key = "\n-----BEGIN PUBLIC KEY-----\n" + public_key_str + "\n-----END PUBLIC KEY-----\n"
+        print(pack_public_key)
+        messagebox.showinfo("本地公钥", pack_public_key)  # GUI界面显示
+
+    # 打印私钥
+    def print_private_key(self):
+        print("本地私钥信息为:")
+        print(self.private_key_data)
+        private_key_str = '\n'.join(self.private_key[i:i + 60] for i in range(0, len(self.public_key), 60))
+        pack_private_key = "-----BEGIN PRIVATE KEY-----\n" + private_key_str + "\n-----END PRIVATE KEY-----\n"
+        print("打印私钥如下:", end="")
+        print(pack_private_key)
+        messagebox.showinfo("本地私钥", pack_private_key)  # GUI界面显示
+
+    # 打印证书
+    def print_certificate(self):
+        if self.name != "":
+            self.certificate = get_certificate(self.public_key, self.name)
+            print("本地公钥证书为:")
+            message = ""
+            for key, value in self.certificate.items():
+                print(key, ":\n", value)
+                message += key + ":\n" + value + "\n"
+            messagebox.showinfo("本地公钥证书", message)
+        else:
+            messagebox.showinfo("提示", "请先为平台命名！")
+
+    # 接收消息
+    def get_message(self):
+        while True:
+            # 接收连接结果信息
+            message = self.client.recv(4096).decode()
+            print(message)
+            if message == "安全多方计算平台:单向授权成功！":
+                self.client.send("请发送平台的完整公钥证书".encode())
+                while True:
+                    message = self.client.recv(4096).decode()  # 公钥字符串比较长，要多一点
+                    if message.startswith("{'public_key':"):  # 等待接收平台公钥证书
+                        cert = eval(message)
+                        messagebox.showinfo("连接结果", "与平台连接成功!")
+                        print("接收到的平台的公钥证书如下:")
+                        message = ""
+                        for key, value in cert.items():
+                            if isinstance(value, bytes):
+                                value = value.decode()
+                            print(key, ":\n", value)
+                            message += key + ":\n" + value
+                        messagebox.showinfo("平台的公钥证书", message)
+                        server_public_key = cert["public_key"].split("-----END PUBLIC KEY-----")[0].split(
+                            "-----BEGIN PUBLIC KEY-----")[1]
+                        server_public_key = server_public_key.replace("\n", "")
+                        print("提取到的server_public_key:")
+                        print(server_public_key)
+                        global server_public_key_data
+                        server_public_key_data = key_to_data(server_public_key)
+                        print("对应的server_public_key_data:")
+                        print(server_public_key_data)
+                        messagebox.showinfo("平台的公钥信息", server_public_key_data)
+                        self.client.send("认证成功!".encode())
+                        self.send_public_key()  # 单向认证后把自己的公钥证书发给平台实现双向认证
+                        break
+                    else:
+                        print("错误的Message", message)
+            elif message == "安全多方计算平台:双向授权成功！":
+                messagebox.showinfo("平台发来的消息", "与平台的双向认证成功！")
+                self.client.send("请求查询方信息！".encode())
+                cert = self.client.recv(4096).decode()
+                cert = eval(cert)
+                message_p = "接收到一则非平台的公钥证书"
+                print(message_p)
+                # messagebox.showinfo("提示", message_p)
+                message = ""
+                for key, value in cert.items():
+                    if isinstance(value, bytes):
+                        value = value.decode()
+                    print(key, ":\n", value)
+                    message += key + ":\n" + value + "\n"
+                # messagebox.showinfo("数据查询方的公钥证书", message)
+                search_public_key = cert["public_key"].split("-----END PUBLIC KEY-----")[0].split(
+                    "-----BEGIN PUBLIC KEY-----")[1]
+                search_public_key = search_public_key.replace("\n", "")
+                print("提取到的search_public_key:")
+                print(search_public_key)
+                global search_public_key_data
+                search_public_key_data = key_to_data(search_public_key)
+                print("对应的search_public_key_data:")
+                print(search_public_key_data)
+                # messagebox.showinfo("数据查询方的公钥信息", search_public_key_data)
+
+            elif message.startswith("01001010"):
+                message = message.split("01001010", 1)[1]  # [0]是空字符串，已测试。只切一次是防止密文出现和头部一样的信息被误切。
+                # 使用私钥解密消息,获得sql明文
+                print("接收到的sql密文:", message)
+                int_message = int(message)
+                # Ciphertext转EncryptedNumber
+                Encrpt_message = CoreAlgorithm.EncryptedNumber(self.public_key_data, int_message, exponent=0)
+                dec_int_message = self.private_key_data.decrypt(Encrpt_message)
+                dec_message = dec_int_message.to_bytes((dec_int_message.bit_length() + 7) // 8, 'big').decode()
+                print("解密后的消息为:", dec_message)
+                self.sql = dec_message.split("||")[2]
+                print("收到已授权方的sql:", self.sql)
+                self.design_window()
+
+    # --------------------------接收sql消息的窗口设计函数-------------------------
+
+    # 接受调用数据的请求
+    def send_accept_reply(self):
+        self.client.send(("01001001" + str(self.client.getsockname()) + "||" + self.name + "同意了你的数据申请。").encode())
+        self.window.destroy()
+        self.window = tk.Toplevel()
+        self.window.title('命名窗口')
+        self.window.geometry('300x320')
+        # 信息输入框
+        self.data_text = tk.StringVar()
+        tk.Label(self.window, bg='green', text='请输入要调用的信息:').place(x=50, y=100)
+        input_message = tk.Entry(self.window, textvariable=self.data_text)
+        input_message.pack()
+        input_message.place(x=80, y=150)
+        # 确认按钮及位置
+        bt_confirm = tk.Button(self.window, bg='green', text='确认', width=10, command=self.send_data)
+        bt_confirm.pack()
+        bt_confirm.place(x=125, y=220)
+
+    # 发送要调用的信息
+    def send_data(self):
+        message = self.data_text.get()
+        print(message, type(message))
+        # 加密并封装消息
+        print("正在封装并加密消息...")
+        global search_public_key_data
+        enc_message = str_to_encrypt(message, search_public_key_data).ciphertext()
+        pack_message = "01001100" + str(enc_message)
+        print("正在发送消息给平台...")
+        self.client.send(pack_message.encode())
+        print("发送成功！")
+        messagebox.showinfo("提示", "发送成功！")
+        self.window.destroy()
+
+    # 拒绝调用数据的请求
+    def send_decline_reply(self):
+        self.client.send(("01001001" + str(self.client.getsockname()) + "||" + "想得美哦!不给(*^▽^*)").encode())
+        messagebox.showinfo("提示", "已拒绝！")
+        self.window.destroy()
+
+    # 稍后处理调用数据的请求
+    def wait_reply(self):
+        self.window.destroy()
+
+    # 接收到sql信息的专属窗口
+    def design_window(self):
+        if self.sql != "":
+            self.window = tk.Toplevel()
+            self.window.title("平台发来的消息")
+            self.window.geometry('550x320')  # 设定窗口大小
+            self.recent_message = "收到已授权方的sql:" + self.sql
+            tk.Label(self.window, bg='green', text=self.recent_message).place(x=50, y=100)
+            # 创建接受按钮
+            accept_button = tk.Button(self.window, text="接受", width=15, command=self.send_accept_reply)
+            accept_button.place(x=90, y=220)
+
+            # 创建拒绝按钮
+            decline_button = tk.Button(self.window, text="拒绝", width=15, command=self.send_decline_reply)
+            decline_button.place(x=225, y=220)
+
+            # 创建稍后处理按钮
+            decline_button = tk.Button(self.window, text="稍后处理", width=15, command=self.wait_reply)
+            decline_button.place(x=360, y=220)
+        else:
+            messagebox.showinfo("提示", "暂无待处理的信息。")
+# -----------------------------------------------------------------------
+
+    # 调用本地信息库
+    def search_data(self):
+        output = StringIO()  # 用于保存打印信息
+        sys.stdout = output  # 重定向sys.stdout到StringIO
+        print(self.name)
+        DataSearch.main(self.name)
+        sys.stdout = sys.__stdout__
+        long_text = output.getvalue()
+        print(long_text)
+        # 创建显示窗口
+        window = tk.Toplevel()
+        # 创建滚动文本部件
+        roll = scrolledtext.ScrolledText(window, width=200, height=40)
+
+        # 打印超长字符串
+        roll.insert(tk.END, long_text)
+        roll.pack()
+
+# --------------------------主界面的按键功能绑定--------------------------------
+    # 界面按键
+    def create_widgets(self):
+        # 创建按钮和标签等部件并使用ttk和Style进行美化
+        style = Style(theme='darkly')  # 指定样式主题
+        self.root = style.master
+        button1 = ttk.Button(self.root, text="查看我的公钥", bootstyle="info-outline",
+                             command=self.print_public_key, width=30)
+        button1.place(x=104, y=310)
+        button2 = ttk.Button(self.root, text="查看我的私钥", bootstyle="info-outline",
+                             command=self.print_private_key, width=30)
+        button2.place(x=104, y=348)
+        button3 = ttk.Button(self.root, text="生成我的证书", bootstyle="info-outline",
+                             command=self.print_certificate, width=30)
+        button3.place(x=104, y=383)
+        button4 = ttk.Button(self.root, text="获取平台认证", bootstyle="info-outline",
+                             command=self.safe_connect, width=30)
+        button4.place(x=104, y=418)
+        button5 = ttk.Button(self.root, text="处理请求信息", bootstyle="info-outline",
+                             command=self.design_window, width=30)
+        button5.place(x=104, y=453)
+        button6 = ttk.Button(self.root, text="查看医疗记录", bootstyle="info-outline",
+                             command=self.search_data, width=30)
+        button6.place(x=104, y=488)
+
+    # GUI界面
+    def run(self):
+        self.root.mainloop()
+
+
+# ----------------------------------------------------主程序----------------------------------------------------
+global server_public_key_data, search_public_key_data, photo  # 使用全局变量，否则图片可能会被回收，不显示
+
+# GUI界面
+app = MyClient()
+app.run()
diff --git a/数据查询方_new.py b/数据查询方_new.py
new file mode 100644
index 0000000..3ffc677
--- /dev/null
+++ b/数据查询方_new.py
@@ -0,0 +1,417 @@
+import socket
+import sys
+import threading
+import time
+import pickle
+from io import StringIO
+
+import CoreAlgorithm
+import DataSearch
+# 审批回执类消息head：01001001
+# sql密文类消息head：01001010
+# 元数据类消息head：01001100
+
+# 实现GUI界面
+import tkinter as tk
+from tkinter import *
+from tkinter import messagebox, scrolledtext
+from PIL import ImageTk
+# 美化
+from ttkbootstrap import Style
+from tkinter import ttk
+
+
+# 用于生成本地公钥和私钥
+def generate_key_pair_data():
+    public_key_data, private_key_data = CoreAlgorithm.generate_paillier_keypair()
+    return private_key_data, public_key_data
+
+
+# 用公钥为本地生成数字证书
+def get_certificate(temp_public_key, cert_name):
+    public_key_str = '\n'.join(temp_public_key[i:i + 60] for i in range(0, len(temp_public_key), 60))
+    pack_public_key = "-----BEGIN PUBLIC KEY-----\n" + public_key_str + "\n-----END PUBLIC KEY-----"
+    cert = {
+        'public_key': pack_public_key,
+        'name': "<数据查询方>" + cert_name
+    }
+    return cert
+
+
+# 公钥转公钥信息
+def key_to_data(key):
+    # str转bytes
+    byte = bytes.fromhex(key)
+    # bytes转PaillierPublicKey
+    data = pickle.loads(byte)
+    return data
+
+
+# 加密字符串
+def str_to_encrypt(message, public_data):
+    # str 转 int
+    if message.isdigit():
+        int_message = int(message)
+    else:
+        int_message = int.from_bytes(message.encode(), 'big')
+    enc_message = public_data.encrypt(int_message)
+    print("int_message", int_message)
+    return enc_message
+
+
+class MyClient:
+    def __init__(self):
+        # 实现GUI主界面框用到的参数
+        self.root = None
+        self.data_text = None
+        self.name_text = None
+        self.recent_message = None
+        self.window = None
+        self.sql_text = None
+        # 初始化本端名
+        self.name = ""
+        # 初始化sql
+        self.sql = ""
+
+        # 准备界面函数
+        self.root_window()
+        self.give_name()
+
+        # 生成私钥和公钥信息
+        self.private_key_data, self.public_key_data = generate_key_pair_data()  # PaillierPublicKey 类型
+        # 生成私钥和公钥字符串
+        self.private_key, self.public_key = self.generate_key_pair()
+        # 获取数字证书
+        self.certificate = {}  # 等名字输入了再生成
+        # 初始化socket
+        self.client = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+
+    # 初始化根界面
+    def root_window(self):
+        self.root = tk.Tk()
+        self.root.title("数据查询方智慧医疗SQL查询系统")
+        self.root.geometry("450x660")
+        # 增加背景图片
+        global photo
+        photo = ImageTk.PhotoImage(file="background.png")
+        label = Label(self.root, image=photo)
+        label.pack()
+        self.create_widgets()  # 调用函数创建功能按钮
+
+    # 为本端取名
+    def give_name(self):
+        self.window = tk.Toplevel()
+        self.window.title('命名窗口')
+        self.window.geometry('300x320')
+        # 初始化信息输入框
+        self.name_text = tk.StringVar()
+        tk.Label(self.window, bg='green', text='请为本端取名:').place(x=50, y=100)
+        input_message = tk.Entry(self.window, textvariable=self.name_text)
+        input_message.pack()
+        input_message.place(x=80, y=150)
+        # 确认按钮及位置
+        bt_confirm = tk.Button(self.window, bg='green', text='确认', width=10, command=self.get_name)
+        bt_confirm.pack()
+        bt_confirm.place(x=125, y=220)
+
+    # 读取输入框的name，保存在self.name中
+    def get_name(self):
+        self.name = self.name_text.get()
+        messagebox.showinfo("提示", "命名成功！")
+        self.window.destroy()
+        self.root.title("<数据查询方>" + self.name + "的智慧医疗系统")
+
+    # 编写sql
+    def create_sql(self):
+        self.window = tk.Toplevel()  # 建立窗口
+        self.window.title('编写sql语句')  # 为窗口命名
+        self.window.geometry('580x270')  # 设定窗口大小
+        # 初始化信息输入框
+        self.sql_text = tk.StringVar()
+        tk.Label(self.window, bg='green', text='请输入您需要的sql查询:').place(x=70, y=50)
+        input_message = tk.Entry(self.window, textvariable=self.sql_text, width=60)
+        input_message.place(x=70, y=100)
+        # 初始化确认按钮
+        bt_confirm = tk.Button(self.window, bg='green', text='确认', width=60, command=self.get_sql)
+        bt_confirm.place(x=70, y=150)
+        # self.sql = input("请编写你的sql:")
+
+    # 读取输入框的sql语句，保存在self.sql中
+    def get_sql(self):
+        self.sql = self.sql_text.get()
+        if self.sql != "":
+            messagebox.showinfo("提示", "编写成功！")
+        else:
+            messagebox.showinfo("提示", "编写失败！语句不能为空！")
+        self.window.destroy()
+
+    # 安全通信
+    def safe_connect(self):
+        if self.certificate != {}:
+            # 与服务器端地址建立通信, 8080为服务端程序的端口号
+            self.client.connect(("localhost",1111))
+            # 为接收消息函数添加线程
+            threading.Thread(target=self.get_message).start()
+            time.sleep(3)
+        else:
+            messagebox.showinfo("提示", "请先生成你的公钥证书！")
+
+    # 向平台发送本地公钥信息
+    def send_public_key(self):
+        print("正在向平台发送本地公钥信息...")
+        self.client.send(str(self.certificate).encode())
+        time.sleep(1)
+        print("发送成功!")
+
+    # 发送sql
+    def send_sql(self):
+        if self.sql != "":
+            print("正在封装并加密消息...")
+            message = self.deal_sql(self.sql)
+            print("处理后的message:", message)
+            print("正在发送消息给平台...")
+            self.client.send(message.encode())
+            print("发送成功！")
+            messagebox.showinfo("提示", "发送成功！")  # GUI界面显示
+        else:
+            messagebox.showinfo("提示", "请先进行编写sql的操作确认您的需求！")  # GUI界面显示
+
+    # 加密封装sql语句
+    def deal_sql(self, context):
+        message = (str(self.client.getsockname()) + "||" + context)
+        global server_public_key_data
+        enc_message = str_to_encrypt(message, server_public_key_data)  # 用平台的公钥进行加密
+        return "01001010" + str(enc_message.ciphertext())  # int 型
+
+    # 产生公私钥字符串
+    def generate_key_pair(self):
+        # Paillier 转 bytes
+        public_key_bytes = pickle.dumps(self.public_key_data)
+        private_key_bytes = pickle.dumps(self.private_key_data)
+        # bytes 转 str
+        public_key = public_key_bytes.hex()
+        private_key = private_key_bytes.hex()
+        return private_key, public_key
+
+    # 打印公钥
+    def print_public_key(self):
+        print("本地公钥信息为:")
+        print(self.public_key_data)
+        print("打印公钥如下:")
+        public_key_str = '\n'.join(self.public_key[i:i + 60] for i in range(0, len(self.public_key), 60))
+        pack_public_key = "\n-----BEGIN PUBLIC KEY-----\n" + public_key_str + "\n-----END PUBLIC KEY-----\n"
+        print(pack_public_key)
+        # show_list()
+        messagebox.showinfo("本地公钥", pack_public_key)  # GUI界面显示
+
+    # 打印私钥
+    def print_private_key(self):
+        print("本地私钥信息为:")
+        print(self.private_key_data)
+        private_key_str = '\n'.join(self.private_key[i:i + 60] for i in range(0, len(self.public_key), 60))
+        pack_private_key = "-----BEGIN PRIVATE KEY-----\n" + private_key_str + "\n-----END PRIVATE KEY-----\n"
+        print("打印私钥如下:")
+        print(pack_private_key)
+        messagebox.showinfo("本地私钥", pack_private_key)  # GUI界面显示
+
+    # 打印证书
+    def print_certificate(self):
+        if self.name != "":
+            self.certificate = get_certificate(self.public_key, self.name)
+            print("本地公钥证书为:")
+            message = ""
+            for key, value in self.certificate.items():
+                print(key, ":\n", value)
+                message += key + ":\n" + value + "\n"
+            messagebox.showinfo("本地公钥证书", message)
+        else:
+            messagebox.showinfo("提示", "请先为平台命名！")
+
+    # 接收消息
+    def get_message(self):
+        while True:
+            # 接收连接结果信息
+            message = self.client.recv(4096).decode()
+            print(message)
+            if message == "安全多方计算平台:单向授权成功！":
+                self.client.send("请发送平台的完整公钥证书".encode())
+                while True:
+                    message = self.client.recv(4096).decode()
+                    if message.startswith("{'public_key':"):
+                        cert = eval(message)
+                        messagebox.showinfo("连接结果", "与平台连接成功!")
+                        print("接收到的平台的公钥证书如下:")
+                        message = ""
+                        for key, value in cert.items():
+                            if isinstance(value, bytes):
+                                value = value.decode()
+                            print(key, ":\n", value)
+                            message += key + ":\n" + value
+                        messagebox.showinfo("平台的公钥证书", message)
+                        server_public_key = cert["public_key"].split("-----END PUBLIC KEY-----")[0].split(
+                            "-----BEGIN PUBLIC KEY-----")[1]
+                        server_public_key = server_public_key.replace("\n", "")
+                        print("提取到的server_public_key:")
+                        print(server_public_key)
+                        global server_public_key_data
+                        server_public_key_data = key_to_data(server_public_key)
+                        print("对应的server_public_key_data:")
+                        print(server_public_key_data)
+                        messagebox.showinfo("平台的公钥信息", server_public_key_data)
+                        self.client.send("认证成功!".encode())
+                        self.send_public_key()  # 单向认证后把自己的公钥证书发给平台实现双向认证
+                        break
+                    else:
+                        print("错误的Message", message)
+            elif message == "安全多方计算平台:双向授权成功！":
+                messagebox.showinfo("平台发来的消息", "与平台的双向认证成功！")
+
+            elif message.startswith("01001010"):
+                message = message.split("01001010", 1)[1]  # [0]是空字符串，已测试。只切一次是防止密文出现和头部一样的信息被误切。
+                # 使用私钥解密消息,获得sql明文
+                print("接收到的sql密文:", message)
+                int_message = int(message)
+                # Ciphertext转EncryptedNumber
+                Encrpt_message = CoreAlgorithm.EncryptedNumber(self.public_key_data, int_message, exponent=0)
+                dec_int_message = self.private_key_data.decrypt(Encrpt_message)
+                dec_message = dec_int_message.to_bytes((dec_int_message.bit_length() + 7) // 8, 'big').decode()
+                print("解密后的消息为:", dec_message)
+                self.sql = dec_message.split("||")[2]
+                print("收到已授权方的sql:", self.sql)
+                self.design_window()
+
+            elif message.startswith("结果:"):
+                message = message.split("结果:")[1]
+                if message != "正在等待接收其他信息...":
+                    int_message = int(message)
+                    # Ciphertext转EncryptedNumber
+                    Encrpt_message = CoreAlgorithm.EncryptedNumber(self.public_key_data, int_message, exponent=0)
+                    dec_int_message = self.private_key_data.decrypt(Encrpt_message)
+                    print("分析结果:", dec_int_message)
+                    messagebox.showinfo("分析结果", dec_int_message)
+                else:
+                    messagebox.showinfo("提示", message)
+
+# --------------------------接收sql消息的窗口设计函数-------------------------
+    # 接受调用数据的请求
+    def send_accept_reply(self):
+        self.client.send(("01001001" + str(self.client.getsockname()) + "||安全多方平台同意了你的数据申请。").encode())
+        self.window = tk.Toplevel()
+        self.window.title('命名窗口')
+        self.window.geometry('300x320')
+        # 信息输入框
+        self.data_text = tk.StringVar()
+        tk.Label(self.window, bg='green', text='请输入要调用的信息:').place(x=50, y=100)
+        input_message = tk.Entry(self.window, textvariable=self.data_text)
+        input_message.pack()
+        input_message.place(x=80, y=150)
+        # 确认按钮及位置
+        bt_confirm = tk.Button(self.window, bg='green', text='确认', width=10, command=self.send_data)
+        bt_confirm.pack()
+        bt_confirm.place(x=125, y=220)
+
+    # 发送要调用的信息
+    def send_data(self):
+        message = self.name_text.get()
+        # 加密并封装消息
+        print("正在封装并加密消息...")
+        enc_message = str_to_encrypt(message, self.public_key_data).ciphertext()
+        pack_message = "01001100" + str(enc_message)
+        print("正在发送消息给平台...")
+        self.client.send(pack_message.encode())
+        print("发送成功！")
+        messagebox.showinfo("提示", "发送成功！")
+        self.window.destroy()
+
+    # 拒绝调用数据的请求
+    def send_decline_reply(self):
+        self.client.send(("01001001" + str(self.client.getsockname()) + "||" + "想得美哦!不给(*^▽^*)").encode())
+        messagebox.showinfo("提示", "已拒绝！")
+        self.window.destroy()
+
+    # 稍后处理调用数据的请求
+    def wait_reply(self):
+        self.window.destroy()
+
+    # 接收到sql信息的专属窗口
+    def design_window(self):
+        if self.sql != "":
+            self.window = tk.Toplevel()
+            self.window.title("平台发来的消息")
+            self.window.geometry('550x320')  # 设定窗口大小
+            self.recent_message = "收到已授权方的sql:" + self.sql
+            tk.Label(self.window, bg='green', text=self.recent_message).place(x=50, y=100)
+            # 创建接受按钮
+            accept_button = tk.Button(self.window, text="接受", width=15, command=self.send_accept_reply)
+            accept_button.place(x=90, y=220)
+
+            # 创建拒绝按钮
+            decline_button = tk.Button(self.window, text="拒绝", width=15, command=self.send_decline_reply)
+            decline_button.place(x=225, y=220)
+
+            # 创建稍后处理按钮
+            decline_button = tk.Button(self.window, text="稍后处理", width=15, command=self.wait_reply)
+            decline_button.place(x=360, y=220)
+        else:
+            messagebox.showinfo("提示", "暂无待处理的信息。")
+
+# --------------------------------------------------------------------------
+    # 调用本地信息库
+    def search_data(self):
+        output = StringIO()  # 用于保存打印信息
+        sys.stdout = output  # 重定向sys.stdout到StringIO
+        print(self.name)
+        DataSearch.main(self.name)
+        sys.stdout = sys.__stdout__
+        long_text = output.getvalue()
+        print(long_text)
+        # 创建显示窗口
+        window = tk.Toplevel()
+        # 创建滚动文本部件
+        roll = scrolledtext.ScrolledText(window, width=200, height=40)
+        # 打印超长字符串
+        roll.insert(tk.END, long_text)
+        roll.pack()
+
+    # --------------------------主界面的按键功能绑定--------------------------------
+    # 界面按键
+    def create_widgets(self):
+        # 创建按钮和标签等部件并使用ttk和Style进行美化
+        style = Style(theme='darkly')  # 指定样式主题
+        self.root = style.master
+        button1 = ttk.Button(self.root, text="查看我的公钥", bootstyle="info-outline",
+                             command=self.print_public_key, width=30)
+        button1.place(x=104, y=360)
+        button2 = ttk.Button(self.root, text="查看我的私钥", bootstyle="info-outline",
+                             command=self.print_private_key, width=30)
+        button2.place(x=104, y=398)
+        button3 = ttk.Button(self.root, text="生成我的证书", bootstyle="info-outline",
+                             command=self.print_certificate, width=30)
+        button3.place(x=104, y=433)
+        button4 = ttk.Button(self.root, text="获取平台认证", bootstyle="info-outline",
+                             command=self.safe_connect, width=30)
+        button4.place(x=104, y=468)
+        button5 = ttk.Button(self.root, text="调用SQL查询", bootstyle="info-outline",
+                             command=self.create_sql, width=30)
+        button5.place(x=104, y=503)
+        button6 = ttk.Button(self.root, text="发送SQL请求", bootstyle="info-outline",
+                             command=self.send_sql, width=30)
+        button6.place(x=104, y=538)
+        button7 = ttk.Button(self.root, text="处理请求信息", bootstyle="info-outline",
+                             command=self.design_window, width=30)
+        button7.place(x=104, y=573)
+        button8 = ttk.Button(self.root, text="查看医疗记录", bootstyle="info-outline",
+                             command=self.search_data, width=30)
+        button8.place(x=104, y=608)
+
+    # GUI界面
+    def run(self):
+        self.root.mainloop()
+
+
+# ----------------------------------------------------主程序----------------------------------------------------
+global server_public_key_data, photo  # 使用全局变量，否则图片可能会被回收，不显示
+
+# GUI界面
+app = MyClient()
+app.run()