public override void ProcessClientKeyExchange(Stream input)
{
byte[] array = TlsUtilities.ReadOpaque16(input);
mPsk = mPskIdentityManager.GetPsk(array);
if (mPsk == null)
{
throw new TlsFatalAlert(115);
}
mContext.SecurityParameters.pskIdentity = array;
if (mKeyExchange == 14)
{
BigInteger y = TlsDHUtilities.ReadDHParameter(input);
mDHAgreePublicKey = TlsDHUtilities.ValidateDHPublicKey(new DHPublicKeyParameters(y, mDHParameters));
}
else if (mKeyExchange == 24)
{
byte[] encoding = TlsUtilities.ReadOpaque8(input);
ECDomainParameters parameters = mECAgreePrivateKey.Parameters;
mECAgreePublicKey = TlsEccUtilities.ValidateECPublicKey(TlsEccUtilities.DeserializeECPublicKey(mServerECPointFormats, parameters, encoding));
}
else if (mKeyExchange == 15)
{
byte[] encryptedPreMasterSecret = ((!TlsUtilities.IsSsl(mContext)) ? TlsUtilities.ReadOpaque16(input) : Streams.ReadAll(input));
mPremasterSecret = mServerCredentials.DecryptPreMasterSecret(encryptedPreMasterSecret);
}
}
public override void ProcessClientKeyExchange(Stream input)
{
byte[] psk_identity = TlsUtilities.ReadOpaque16(input);
this.mPsk = mPskIdentityManager.GetPsk(psk_identity);
if (mPsk == null)
{
throw new TlsFatalAlert(AlertDescription.unknown_psk_identity);
}
mContext.SecurityParameters.pskIdentity = psk_identity;
if (this.mKeyExchange == KeyExchangeAlgorithm.DHE_PSK)
{
BigInteger Yc = TlsDHUtilities.ReadDHParameter(input);
this.mDHAgreePublicKey = TlsDHUtilities.ValidateDHPublicKey(new DHPublicKeyParameters(Yc, mDHParameters));
}
else if (this.mKeyExchange == KeyExchangeAlgorithm.ECDHE_PSK)
{
byte[] point = TlsUtilities.ReadOpaque8(input);
ECDomainParameters curve_params = this.mECAgreePrivateKey.Parameters;
this.mECAgreePublicKey = TlsEccUtilities.ValidateECPublicKey(TlsEccUtilities.DeserializeECPublicKey(
mServerECPointFormats, curve_params, point));
}
else if (this.mKeyExchange == KeyExchangeAlgorithm.RSA_PSK)
{
byte[] encryptedPreMasterSecret;
if (TlsUtilities.IsSsl(mContext))
{
// TODO Do any SSLv3 clients actually include the length?
encryptedPreMasterSecret = Streams.ReadAll(input);
}
else
{
encryptedPreMasterSecret = TlsUtilities.ReadOpaque16(input);
}
this.mPremasterSecret = mServerCredentials.DecryptPreMasterSecret(encryptedPreMasterSecret);
}
}