feat: 完善AES加密实现和多个问题的解决方案

- 在common库中添加了完整的AES-128加密解密实现
- 实现了AES-ECB和AES-CBC模式的加密解密函数
- 添加了密钥扩展和所有必要的AES操作函数
- 完成了问题10的AES-CBC模式实现
- 修复了问题11的加密oracle实现，使用正确的ECB检测
- 改进了代码风格，使用现代Rust格式化语法
- 为多个问题添加了common库的依赖

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

Cargo.lock

@@ -72,11 +72,18 @@ dependencies = [
 [[package]]
 name = "p10"
 version = "0.1.0"
+dependencies = [
+ "anyhow",
+ "base64",
+ "common",
+ "hex",
+]
 
 [[package]]
 name = "p11"
 version = "0.1.0"
 dependencies = [
+ "common",
  "rand",
 ]
 
@@ -99,6 +106,18 @@ dependencies = [
  "anyhow",
 ]
 
+[[package]]
+name = "p16"
+version = "0.1.0"
+
+[[package]]
+name = "p17"
+version = "0.1.0"
+
+[[package]]
+name = "p18"
+version = "0.1.0"
+
 [[package]]
 name = "p2"
 version = "0.1.0"
@@ -145,6 +164,8 @@ name = "p7"
 version = "0.1.0"
 dependencies = [
  "anyhow",
+ "base64",
+ "hex",
 ]
 
 [[package]]