/// <summary>
/// 使用SecretKey对数据data进行解密
/// </summary>
/// <param name="data">待解密的数据</param>
/// <param name="SecretKey">解密密码串</param>
/// <returns></returns>
public static string Decrypt(string data, string SecretKey)
{
try
{
string key = MD5.Encrypt(SecretKey);// 7f01583d4ae071a9e39ffc18e3a12d9f
StringBuilder builder = new StringBuilder();
int i = 0;
foreach (char A in data) // 663r6uf0cew7cr5d9g08pnitiy7c9mi7ut8u98615nc1fkzp
{
if (i >= key.Length)
{
i = i % key.Length;
key = MD5.Encrypt(key);
}
char B = key[i++];
char n = ToChar(ToInt(A) - ToInt(B) * 3);
builder.Append(n);
}
data = builder.ToString();
data = EncoderTool_Alphabet.DecodeAlphabet(data);
}
catch (Exception ex)
{
}
return(data);
}
/// <summary>
/// 使用SecretKey对数据data进行加密
/// </summary>
/// <param name="data">待加密的数据</param>
/// <param name="SecretKey">自定义密码串</param>
/// <returns></returns>
public static string Encrypt(string data, string SecretKey)
{
string key = MD5.Encrypt(SecretKey); // 7f01583d4ae071a9e39ffc18e3a12d9f
data = EncoderTool_Alphabet.EncodeAlphabet(data);
StringBuilder builder = new StringBuilder();
int i = 0;
foreach (char A in data) // ofloifofikkaofkpigohjkieogjflaoginkooelpkbogibkp"
{
if (i >= key.Length)
{
i = i % key.Length;
key = MD5.Encrypt(key); // 变换新的key
}
char B = key[i++];
char n = ToChar(ToInt(A) + ToInt(B) * 3);
builder.Append(n);
}
return(builder.ToString());
}