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  • net 加密-解密

     #region DES加密 解密
        //key:32位
            public string DESEncrypt(string strSource, byte[] key)
            {
                System.Security.Cryptography.SymmetricAlgorithm sa = System.Security.Cryptography.Rijndael.Create();
                sa.Key = key;
                sa.Mode = System.Security.Cryptography.CipherMode.ECB;
                sa.Padding = System.Security.Cryptography.PaddingMode.Zeros;
                System.IO.MemoryStream ms = new System.IO.MemoryStream();
                System.Security.Cryptography.CryptoStream cs = new System.Security.Cryptography.CryptoStream(ms, sa.CreateEncryptor(), System.Security.Cryptography.CryptoStreamMode.Write);
                byte[] byt = System.Text.Encoding.Unicode.GetBytes(strSource);
                cs.Write(byt, 0, byt.Length);
                cs.FlushFinalBlock();
                cs.Close();
                return Convert.ToBase64String(ms.ToArray());
    
            }
            public string DESDecrypt(string strSource,byte[] key)
            {
                System.Security.Cryptography.SymmetricAlgorithm sa = System.Security.Cryptography.Rijndael.Create();
                sa.Key = key;
                sa.Mode = System.Security.Cryptography.CipherMode.ECB;
                sa.Padding = System.Security.Cryptography.PaddingMode.Zeros;
                System.Security.Cryptography.ICryptoTransform ct = sa.CreateDecryptor();
                byte[] byt =  Convert.FromBase64String(strSource);
                System.IO.MemoryStream ms = new System.IO.MemoryStream();
                System.Security.Cryptography.CryptoStream cs = new System.Security.Cryptography.CryptoStream(ms, ct, System.Security.Cryptography.CryptoStreamMode.Write);
                cs.Write(byt,0,byt.Length);
                cs.FlushFinalBlock();
                cs.Close();
                return System.Text.Encoding.Unicode.GetString(ms.ToArray());
            } 
            #endregion
    
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  • 原文地址:https://www.cnblogs.com/linzhao126/p/3417175.html
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