From 746685a9010410783b0fcd93e66d6dbebb4f95d6 Mon Sep 17 00:00:00 2001
From: falcon <9504402@qq.com>
Date: Tue, 6 Sep 2022 11:13:17 +0800
Subject: [PATCH] =?UTF-8?q?=E6=B7=BB=E5=8A=A0AES=E5=8A=A0=E5=AF=86?=
=?UTF-8?q?=E7=AE=97=E6=B3=95=E5=8F=8A=E6=B5=8B=E8=AF=95?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
---
.../Encryption/EncryptionTest.cs | 43 ++++----
Falcon.SugarApi/Encryption/AESConfig.cs | 15 +++
Falcon.SugarApi/Encryption/AESProvider.cs | 100 ++++++++++++++++++
.../Encryption/EncryptionProviderRegirst.cs | 27 +++++
Falcon.SugarApi/Encryption/IAESEncryption.cs | 7 ++
5 files changed, 172 insertions(+), 20 deletions(-)
create mode 100644 Falcon.SugarApi/Encryption/AESConfig.cs
create mode 100644 Falcon.SugarApi/Encryption/AESProvider.cs
create mode 100644 Falcon.SugarApi/Encryption/IAESEncryption.cs
diff --git a/Falcon.SugarApi.Test/Encryption/EncryptionTest.cs b/Falcon.SugarApi.Test/Encryption/EncryptionTest.cs
index 1508456..4842d5b 100644
--- a/Falcon.SugarApi.Test/Encryption/EncryptionTest.cs
+++ b/Falcon.SugarApi.Test/Encryption/EncryptionTest.cs
@@ -11,26 +11,6 @@ namespace Falcon.SugarApi.Test.Encryption
[TestClass]
public class EncryptionTest
{
- ///
- /// 测试公钥、秘钥生成，加密解密
- ///
- [TestMethod]
- public void RSATest() {
- var config = new RSAConfig() {
- BlockSize = 1024
- };
- IRSAEncryption r = new RSAProvider(config);
- var k = r.GenerateKey();
-
- var p = new RSAProvider(config);
- var mingw = " /// \r\n /// 测试公钥、秘钥生成，加密解密\r\n /// \r\n [TestMethod]\r\n public void EncryptionRSA() {\r\n var config = new RSAConfig();\r\n var r = new RSAProvider(config);";
- var miwen = p.Encrypt(mingw, k.PublicKey);
-
- var p1 = new RSAProvider(config);
- var mingw1 = p1.Decrypt(miwen, k.PrivateKey);
-
- Assert.AreEqual(mingw, mingw1, "解密后明文不同");
- }
///
/// 测试公钥、秘钥生成，加密解密
@@ -59,6 +39,29 @@ namespace Falcon.SugarApi.Test.Encryption
}
}
+ ///
+ /// 测试公钥、秘钥生成，加密解密
+ ///
+ [TestMethod("AES测试")]
+ public void AESTest() {
+ var config = new AESConfig() { };
+ IAESEncryption r = new AESProvider(config);
+ var k = r.GenerateKey();
+
+ for (int i = 0; i < 1000; i++) {
+ var mingw = GenerateStr();
+ Console.WriteLine(mingw);
+ var p = new AESProvider(config);
+ var miwen = p.Encrypt(k, mingw);
+
+ var p1 = new AESProvider(config);
+ var mingw1 = p1.Decrypt(k, miwen);
+
+ Assert.AreEqual(mingw, mingw1, "解密后明文不同");
+
+ }
+ }
+
///
/// 生成随机长度，由字符表内字符组成的字符串
///
diff --git a/Falcon.SugarApi/Encryption/AESConfig.cs b/Falcon.SugarApi/Encryption/AESConfig.cs
new file mode 100644
index 0000000..30ecb6e
--- /dev/null
+++ b/Falcon.SugarApi/Encryption/AESConfig.cs
@@ -0,0 +1,15 @@
+namespace Falcon.SugarApi.Encryption
+{
+ ///
+ /// AES加密算法配置
+ ///
+ public class AESConfig
+ {
+ private int keyLength = 32;
+
+ ///
+ /// 秘钥长度。最大32
+ ///
+ public int KeyLength { get => keyLength; set => keyLength = value > 32 ? 32 : value; }
+ }
+}
diff --git a/Falcon.SugarApi/Encryption/AESProvider.cs b/Falcon.SugarApi/Encryption/AESProvider.cs
new file mode 100644
index 0000000..47dc7e9
--- /dev/null
+++ b/Falcon.SugarApi/Encryption/AESProvider.cs
@@ -0,0 +1,100 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Reflection.Metadata;
+using System.Security.Cryptography;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Falcon.SugarApi.Encryption
+{
+ ///
+ /// AES对称加密算法
+ ///
+ public class AESProvider : IEncryption, IAESEncryption
+ {
+ ///
+ /// 通过提供配置构造AES加密实例
+ ///
+ /// 配置文件
+ public AESProvider(AESConfig config) {
+ Config = config;
+ }
+
+ ///
+ /// 加密配置
+ ///
+ public AESConfig Config { get; }
+
+ ///
+ public string Decrypt(string key, string str) {
+ var fullCipher = Convert.FromBase64String(str);
+ var iv = new byte[16];
+ var cipher = new byte[fullCipher.Length - iv.Length];
+ Buffer.BlockCopy(fullCipher, 0, iv, 0, iv.Length);
+ Buffer.BlockCopy(fullCipher, iv.Length, cipher, 0, fullCipher.Length - iv.Length);
+ var decryptKey = GetDecryptKey(key);
+ using (var aesAlg = Aes.Create()) {
+ using (var decryptor = aesAlg.CreateDecryptor(decryptKey, iv)) {
+ string result;
+ using (var msDecrypt = new MemoryStream(cipher)) {
+ using (var csDecrypt = new CryptoStream(msDecrypt, decryptor, CryptoStreamMode.Read)) {
+ using (var srDecrypt = new StreamReader(csDecrypt)) {
+ result = srDecrypt.ReadToEnd();
+ }
+ }
+ }
+ return result;
+ }
+ }
+ }
+
+ ///
+ public string Encrypt(string key, string str) {
+ var encryptKey = GetDecryptKey(key);
+ using (var aesAlg = Aes.Create()) {
+ var iv = aesAlg.IV;
+ using (var encryptor = aesAlg.CreateEncryptor(encryptKey, iv)) {
+ using (var msEncrypt = new MemoryStream()) {
+ using (var csEncrypt = new CryptoStream(msEncrypt, encryptor, CryptoStreamMode.Write))
+ using (var swEncrypt = new StreamWriter(csEncrypt)) {
+ swEncrypt.Write(str);
+ }
+ var decryptedContent = msEncrypt.ToArray();
+ var result = new byte[iv.Length + decryptedContent.Length];
+ Buffer.BlockCopy(iv, 0, result, 0, iv.Length);
+ Buffer.BlockCopy(decryptedContent, 0, result, iv.Length, decryptedContent.Length);
+ return Convert.ToBase64String(result);
+ }
+ }
+ }
+ }
+
+ ///
+ public string GenerateKey() {
+ var chars = @"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ123456789,.!/*\";
+ var r = new Random();
+ var len = this.Config.KeyLength;
+ var sb = new StringBuilder(len);
+ for (int i = 0; i < len; i++) {
+ sb.Append(chars[r.Next(0, chars.Length)]);
+ }
+ return sb.ToString();
+ }
+
+ ///
+ /// 格式化加密key长度
+ ///
+ /// 加密用的key
+ /// 加密key字节数组
+ protected byte[] GetDecryptKey(string key) {
+ var buf = new byte[this.Config.KeyLength];
+ var ek = Encoding.UTF8.GetBytes(key);
+ var len = this.Config.KeyLength > ek.Length ? ek.Length : buf.Length;
+ Buffer.BlockCopy(ek, 0, buf, 0, len);
+ return buf;
+ }
+
+ }
+}
diff --git a/Falcon.SugarApi/Encryption/EncryptionProviderRegirst.cs b/Falcon.SugarApi/Encryption/EncryptionProviderRegirst.cs
index 3b50270..7ec5f1f 100644
--- a/Falcon.SugarApi/Encryption/EncryptionProviderRegirst.cs
+++ b/Falcon.SugarApi/Encryption/EncryptionProviderRegirst.cs
@@ -34,5 +34,32 @@ namespace Falcon.SugarApi.Encryption
services.AddSingleton(new DESProvider(defConfig));
return services;
}
+
+ ///
+ /// 注册AES加密提供程序，通过IEncryption或IAESEncryption获取注册程序。
+ ///
+ /// 服务集合
+ /// 配置方法
+ /// 服务集合
+ public static IServiceCollection AddAesProvider(this IServiceCollection services, Action config) {
+ var defConfig = new AESConfig();
+ config(defConfig);
+ services.AddSingleton(new AESProvider(defConfig));
+ services.AddSingleton(new AESProvider(defConfig));
+ return services;
+ }
+
+ ///
+ /// 使用默认配置注册AES加密提供程序，通过IEncryption或IAESEncryption获取注册程序。
+ ///
+ /// 服务集合
+ /// 服务集合
+ public static IServiceCollection AddAesProvider(this IServiceCollection services) {
+ var defConfig = new AESConfig();
+ services.AddSingleton(new AESProvider(defConfig));
+ services.AddSingleton(new AESProvider(defConfig));
+ return services;
+ }
+
}
}
diff --git a/Falcon.SugarApi/Encryption/IAESEncryption.cs b/Falcon.SugarApi/Encryption/IAESEncryption.cs
new file mode 100644
index 0000000..e0e502a
--- /dev/null
+++ b/Falcon.SugarApi/Encryption/IAESEncryption.cs
@@ -0,0 +1,7 @@
+namespace Falcon.SugarApi.Encryption
+{
+ ///
+ /// AES加密算法接口
+ ///
+ public interface IAESEncryption : IEncryption { }
+}
\ No newline at end of file