Esempio n. 1
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        public override void ProcessServerKeyExchange(Stream input)
        {
            if (!RequiresServerKeyExchange)
            {
                throw new TlsFatalAlert(AlertDescription.unexpected_message);
            }

            // DH_anon is handled here, DHE_* in a subclass

            this.mDHParameters     = TlsDHUtilities.ReceiveDHParameters(mDHVerifier, input);
            this.mDHAgreePublicKey = new DHPublicKeyParameters(TlsDHUtilities.ReadDHParameter(input), mDHParameters);
        }
Esempio n. 2
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        public override void ProcessServerKeyExchange(Stream input)
        {
            this.mPskIdentityHint = TlsUtilities.ReadOpaque16(input);

            if (this.mKeyExchange == KeyExchangeAlgorithm.DHE_PSK)
            {
                this.mDHParameters     = TlsDHUtilities.ReceiveDHParameters(mDHVerifier, input);
                this.mDHAgreePublicKey = new DHPublicKeyParameters(TlsDHUtilities.ReadDHParameter(input), mDHParameters);
            }
            else if (this.mKeyExchange == KeyExchangeAlgorithm.ECDHE_PSK)
            {
                ECDomainParameters ecParams = TlsEccUtilities.ReadECParameters(mNamedCurves, mClientECPointFormats, input);

                byte[] point = TlsUtilities.ReadOpaque8(input);

                this.mECAgreePublicKey = TlsEccUtilities.ValidateECPublicKey(TlsEccUtilities.DeserializeECPublicKey(
                                                                                 mClientECPointFormats, ecParams, point));
            }
        }
Esempio n. 3
0
        public override void ProcessServerKeyExchange(Stream input)
        {
            SecurityParameters securityParameters = mContext.SecurityParameters;

            SignerInputBuffer buf   = new SignerInputBuffer();
            Stream            teeIn = new TeeInputStream(input, buf);

            this.mDHParameters     = TlsDHUtilities.ReceiveDHParameters(mDHVerifier, teeIn);
            this.mDHAgreePublicKey = new DHPublicKeyParameters(TlsDHUtilities.ReadDHParameter(teeIn), mDHParameters);

            DigitallySigned signed_params = ParseSignature(input);

            ISigner signer = InitVerifyer(mTlsSigner, signed_params.Algorithm, securityParameters);

            buf.UpdateSigner(signer);
            if (!signer.VerifySignature(signed_params.Signature))
            {
                throw new TlsFatalAlert(AlertDescription.decrypt_error);
            }
        }