/// <summary>
/// 解密
/// </summary>
/// <param name="str">密串</param>
/// <returns></returns>
public string Decrypt(string str)
{
var parseKey = string.Empty;
var ciphertext = GetParse(str, out parseKey);
if (parseKey.IsNullOrWhiteSpace() || ciphertext.IsNullOrWhiteSpace())
{
return(string.Empty);
}
ciphertext = ciphertext.Replace("_", "+").Replace("-", "/").Replace("*", "=");
//随机6位密码+附加码
var aesKey = "{0}{1}".FormatStr(parseKey, _KeyAppendCode).MD5().ToLower();
//解密操作
var plaintext = AESEncrypt.AesDecrypt(ciphertext, secretKey: aesKey, vectorStr: _AESVector);
return(plaintext);
}
/// <summary>
/// 加密
/// </summary>
/// <param name="plaintext">明文</param>
/// <param name="secretKey">秘钥</param>
/// <returns></returns>
public string Encrypt(string plaintext, out string secretKey)
{
secretKey = string.Empty;
if (plaintext.IsNullOrWhiteSpace())
{
return(string.Empty);
}
secretKey = Rand.Str(6);//"CWII7J";
if (secretKey.IsNullOrWhiteSpace() || secretKey.Count() != 6)
{
return(string.Empty);
}
var leftStr = secretKey.Substring(0, 3);
var rightStr = secretKey.Substring(3, 3);
//随机6位密码+附加码
var aesKey = "{0}{1}".FormatStr(secretKey, _KeyAppendCode).MD5().ToLower();
//加密操作
var ciphertext = AESEncrypt.AesEncrypt(plaintext, secretKey: aesKey, vectorStr: _AESVector).Replace("+", "_").Replace("/", "-").Replace("=", "*");
return("{0}{1}{2}".FormatStr(leftStr, ciphertext, rightStr));
}