sangge/tpre-python
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fix: rename hash

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sangge 2023-10-17 21:51:04 +08:00
parent 3467118d6c
commit df16e661f2
1 changed files with 6 additions and 6 deletions
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src/tpre.py
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@ -234,7 +234,7 @@ def Decrypt(sk_A: int,C:Tuple[Tuple[
return dec_Data return dec_Data
# GenerateRekey # GenerateRekey
def H5(id: int, D: int) -> int: def hash5(id: int, D: int) -> int:
sm3 = Sm3() #pylint: disable=e0602 sm3 = Sm3() #pylint: disable=e0602
sm3.update(id.to_bytes(32)) sm3.update(id.to_bytes(32))
sm3.update(D.to_bytes(32)) sm3.update(D.to_bytes(32))
@ -242,7 +242,7 @@ def H5(id: int, D: int) -> int:
hash = int.from_bytes(hash,'big') % G.P hash = int.from_bytes(hash,'big') % G.P
return hash return hash
def H6(triple_G: Tuple[Tuple[int, int], def hash6(triple_G: Tuple[Tuple[int, int],
Tuple[int, int], Tuple[int, int],
Tuple[int, int]]) -> int: Tuple[int, int]]) -> int:
sm3 = Sm3() #pylint: disable=e0602 sm3 = Sm3() #pylint: disable=e0602
@ -283,14 +283,14 @@ def GenerateReKey(sk_A, pk_B, N: int, T: int) -> list:
f_modulus.append(random.randint(0, G.P - 1)) f_modulus.append(random.randint(0, G.P - 1))
# 计算D # 计算D
D = H6((X_A, pk_B, multiply(pk_B, sk_A))) D = hash6((X_A, pk_B, multiply(pk_B, sk_A)))
# 计算KF # 计算KF
KF = [] KF = []
for i in range(N): for i in range(N):
y = random.randint(0, G.P - 1) y = random.randint(0, G.P - 1)
Y = multiply(g, y) Y = multiply(g, y)
s_x = H5(i, D) # id需要设置 s_x = hash5(i, D) # id需要设置
r_k = f(s_x, f_modulus, T) r_k = f(s_x, f_modulus, T)
U1 = multiply(U, r_k) U1 = multiply(U, r_k)
kFrag = (i, r_k, X_A, U1) kFrag = (i, r_k, X_A, U1)
@ -379,10 +379,10 @@ def DecapsulateFrags(sk_B:int,pk_A:Tuple[int,int],cFrags:Tuple[Tuple[Tuple[int,i
t = t+1 # 总共有t个片段，t为阈值 t = t+1 # 总共有t个片段，t为阈值
pkab = multiply(pk_A,sk_B) # pka^b pkab = multiply(pk_A,sk_B) # pka^b
D = H6((pk_A,pk_B,pkab)) D = hash6((pk_A,pk_B,pkab))
Sx = [] Sx = []
for id in idlist: # 从1到t for id in idlist: # 从1到t
sxi = H5(id,D) # id 节点的编号 sxi = hash5(id,D) # id 节点的编号
Sx.append(sxi) Sx.append(sxi)
bis= [] # b ==> λ bis= [] # b ==> λ
j = 1 j = 1