/// <summary>
/// 加密
/// </summary>
/// <param name="planPasswd"></param>
/// <returns></returns>
public static string EncryptPasswd(string planPasswd)
{
string key = GetLegalKey();
if (key.Length == 0) //如果没有获取到合适的key，不做处理
{
return(planPasswd);
}
SymmCryptoEx symmCrypService = new SymmCryptoEx(SymmProvEnum.DES);
return(symmCrypService.Encrypting(planPasswd, key));
}
/// <summary>
/// 解密
/// </summary>
/// <param name="encryptedPasswd"></param>
/// <returns></returns>
public static string DecryptPasswd(string encryptedPasswd)
{
string key = GetLegalKey();
if (key.Length == 0) //如果没有获取到合适的key, 不做处理
{
return(encryptedPasswd);
}
if (string.IsNullOrEmpty(encryptedPasswd))
{
return("");
}
try
{
SymmCryptoEx symmCrypService = new SymmCryptoEx(SymmProvEnum.DES);
return(symmCrypService.Decrypting(encryptedPasswd, key));
}
catch
{
SymmCrypto symmCrypService = new SymmCrypto(SymmProvEnum.DES);
return(symmCrypService.Decrypting(encryptedPasswd, key));
}
}