internal byte[] GenerateKeyExchangeData(byte[] pms)
{
byte[] finalKeyExchangeData = null;
RSACryptoServiceProvider rsa = new RSACryptoServiceProvider();
try
{
rsa.ImportParameters(X509PublicKeyParser.GetRSAPublicKeyParameters(m_Session.Certificate));
}
catch (Exception)
{
throw new SslAlertException(AlertLevel.Fatal, AlertDescription.BadCertificate);
}
RSAPKCS1KeyExchangeFormatter fmt = new RSAPKCS1KeyExchangeFormatter(rsa);
byte[] keyExchangeData = fmt.CreateKeyExchange(pms);
byte[] len = BitConverter.GetBytes((ushort)keyExchangeData.Length);
if (BitConverter.IsLittleEndian)
{
Array.Reverse(len);
}
finalKeyExchangeData = ByteArray.Concat(len, keyExchangeData);
return(finalKeyExchangeData);
}
private System.Security.Cryptography.RSAParameters ConvertPublicKeyToRsaInfo()
{
System.Security.Cryptography.RSAParameters RSAKeyInfo;
using (var cerStream = Application.GetResourceStream(new Uri("/RSAEncryptDemo;component/Files/DemoPublicKey.cer", UriKind.RelativeOrAbsolute)).Stream)
{
byte[] cerBuffer = new byte[cerStream.Length];
cerStream.Read(cerBuffer, 0, cerBuffer.Length);
System.Security.Cryptography.X509Certificates.X509Certificate cer = new System.Security.Cryptography.X509Certificates.X509Certificate(cerBuffer);
RSAKeyInfo = X509PublicKeyParser.GetRSAPublicKeyParameters(cer.GetPublicKey());
}
return(RSAKeyInfo);
}
