internal static string Decrypt(string data)
{
if (!RSACore._isInitialized)
{
throw new Exception("RSAWrapper not initialized");
}
byte[] data2 = RSAStringUtil.HexStringToBytes(data);
byte[] data3 = RSACore._rsa.Decrypt(data2);
return(RSAStringUtil.ASCIIBytesToString(data3));
}
internal static string ComputeHashString(byte[] data)
{
if (!RSACore._isInitialized)
{
throw new Exception("RSAWrapper not initialized");
}
byte[] d = RSACore._rsaParams.D;
byte[] array = new byte[data.Length + d.Length];
Buffer.BlockCopy(data, 0, array, 0, data.Length);
Buffer.BlockCopy(d, 0, array, data.Length, d.Length);
SHA1Managed sha1Managed = new SHA1Managed();
return(RSAStringUtil.ToBase64(sha1Managed.ComputeHash(array)));
}
internal static void Init()
{
if (RSACore._isInitialized)
{
throw new Exception("RSAWrapper already initialized");
}
try
{
string file = ConfigurationManager.AppSettings["RSAPrivateKeyFilePath"];
RSACore._rsa = new RSACrypto();
RSACore._rsa.InitCrypto(file);
RSACore._rsaParams = RSACore._rsa.ExportParameters(true);
RSACore._strEncryptExponent = RSAStringUtil.BytesToHexString(RSACore._rsaParams.Exponent);
RSACore._strModulus = RSAStringUtil.BytesToHexString(RSACore._rsaParams.Modulus);
RSACore._strDecryptExponent = RSAStringUtil.BytesToHexString(RSACore._rsaParams.D);
RSACore._isInitialized = true;
}
catch
{
throw;
}
}
internal static string ConvertUTF16(string data)
{
return(RSAStringUtil.UTF16BytesToString(RSAStringUtil.FromBase64(data)));
}
internal static string ConvertASCII(string data)
{
return(RSAStringUtil.ASCIIBytesToString(RSAStringUtil.FromBase64(data)));
}
