参考文档:https://www.cnblogs.com/xbzhu/p/7064642.html
前几天对接Java接口,需要C#加密参数,Java解密。奈何网上找了一堆大同小异的加解密方法都跟Jaca加密的密文不一致,Java接口也无法解密,直到看见上面链接的第二种方法。能够正常的解密Java加密的密文,说明此方法有效,但这里只有解密,我需要的是加密方法(伸手党做习惯了),没办法读读代码看看是怎么解密的,巧了看到了 CreateDecryptor 改一下 试一下解密 跟Java完全一致 成功!感谢博主!
这是参考文档的博主写的Demo:https://github.com/zhu-xb/AES-Cryptography
/// <summary>
/// AES解密
/// </summary>
/// <param name="data"></param>
/// <param name="key"></param>
/// <returns></returns>
public static string AESDecrypt(string content, string key)
{
KeyGenerator kgen = KeyGenerator.getInstance("AES");
SecureRandom secureRandom = SecureRandom.getInstance("SHA1PRNG");
secureRandom.setSeed(Encoding.ASCII.GetBytes(key));
kgen.init(, secureRandom);
SecretKey secretKey = kgen.generateKey();
byte[] enCodeFormat = secretKey.getEncoded(); using (AesCryptoServiceProvider aesProvider = new AesCryptoServiceProvider())
{
aesProvider.Key = enCodeFormat;
aesProvider.Mode = CipherMode.ECB;
aesProvider.Padding = PaddingMode.PKCS7;
using (ICryptoTransform cryptoTransform = aesProvider.CreateDecryptor())
{
byte[] inputBuffers = Convert.FromBase64String(content);
byte[] results = cryptoTransform.TransformFinalBlock(inputBuffers, , inputBuffers.Length);
aesProvider.Clear();
return Encoding.UTF8.GetString(results);
}
}
}
/// <summary>
/// AES加密
/// </summary>
/// <param name="data"></param>
/// <param name="key"></param>
/// <returns></returns>
public static string AESEncrypt(string content, string key)
{
KeyGenerator kgen = KeyGenerator.getInstance("AES");
SecureRandom secureRandom = SecureRandom.getInstance("SHA1PRNG");
secureRandom.setSeed(Encoding.ASCII.GetBytes(key));
kgen.init(, secureRandom);
SecretKey secretKey = kgen.generateKey();
byte[] enCodeFormat = secretKey.getEncoded(); using (AesCryptoServiceProvider aesProvider = new AesCryptoServiceProvider())
{
aesProvider.Key = enCodeFormat;
aesProvider.Mode = CipherMode.ECB;
aesProvider.Padding = PaddingMode.PKCS7;
using (ICryptoTransform cryptoTransform = aesProvider.CreateEncryptor())
{
byte[] inputBuffers = Encoding.UTF8.GetBytes(content);
byte[] results = cryptoTransform.TransformFinalBlock(inputBuffers, , inputBuffers.Length);
aesProvider.Clear();
return Convert.ToBase64String(results);
}
}
}
再次感谢博主 朱小波 https://www.cnblogs.com/xbzhu/