先是MD5加密
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| private static MD5 md5 = new MD5Cng();
public static string PasswordEncrypt(string aPassword)
{
byte[] bytes = md5.ComputeHash(Encoding.UTF8.GetBytes(aPassword+"doyoulikeme?"));
return Convert.ToBase64String(bytes);
}
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加解密
加密
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| public static string Encrypt(string aStr, string aAddition)
{
byte[] keyArray = Encoding.UTF8.GetBytes(aAddition);
JObject jobj = new JObject();
jobj["value"] = aStr;
jobj["time"] = DateTime.Now;
byte[] encryptArray = Encoding.UTF8.GetBytes(jobj.ToString());
RijndaelManaged rDel = new RijndaelManaged();
rDel.Key = keyArray;
rDel.Mode = CipherMode.ECB;
rDel.Padding = PaddingMode.PKCS7;
ICryptoTransform cTransform = rDel.CreateEncryptor();
byte[] resultArray = cTransform.TransformFinalBlock(encryptArray, 0, encryptArray.Length);
string result = Convert.ToBase64String(resultArray);
return result;
}
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解密
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| public static string Decrypt(string aEncryptStr, string aAddition)
{
byte[] keyArray = Encoding.UTF8.GetBytes(aAddition);
byte[] toEncryptArray = Convert.FromBase64String(aEncryptStr);
RijndaelManaged rDel = new RijndaelManaged();
rDel.Key = keyArray;
rDel.Mode = CipherMode.ECB;
rDel.Padding = PaddingMode.PKCS7;
ICryptoTransform cTransform = rDel.CreateDecryptor();
byte[] resultArray = cTransform.TransformFinalBlock(toEncryptArray, 0, toEncryptArray.Length);
string result = Encoding.UTF8.GetString(resultArray);
JObject jobj = JObject.Parse(result);
return jobj["value"].ToString();
}
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