/// <summary>
/// 加密字符串。
/// </summary>
/// <param name="str">要加密的字符串。</param>
/// <param name="key">安全密钥。</param>
/// <returns>返回 <see cref="string"/> 。</returns>
public static string Encrypt(string str, string key)
{
var x = new XXTEAManaged(key);
var e = Encoding.UTF8;
var b = x.Encrypt(e.GetBytes(str), e.GetBytes(x.Key));
return(Convert.ToBase64String(b));
}
/// <summary>
/// 解密字符串。
/// </summary>
/// <param name="str">要解密的字符串。</param>
/// <param name="key">安全密钥。</param>
/// <returns>返回 <see cref="string"/> 。</returns>
public static string Decrypt(string str, string key)
{
if (string.IsNullOrWhiteSpace(str))
{
return(string.Empty);
}
var encoding = Encoding.UTF8;
var x = new XXTEAManaged(key);
return(encoding.GetString(x.Decrypt(Convert.FromBase64String(str), encoding.GetBytes(x.Key))));
}