Ejemplo n.º 1
0
 public override void GenerateClientKeyExchange(Stream output)
 {
     if (mPskIdentityHint == null)
     {
         mPskIdentity.SkipIdentityHint();
     }
     else
     {
         mPskIdentity.NotifyIdentityHint(mPskIdentityHint);
     }
     byte[] pskIdentity = mPskIdentity.GetPskIdentity();
     if (pskIdentity == null)
     {
         throw new TlsFatalAlert(80);
     }
     mPsk = mPskIdentity.GetPsk();
     if (mPsk == null)
     {
         throw new TlsFatalAlert(80);
     }
     TlsUtilities.WriteOpaque16(pskIdentity, output);
     mContext.SecurityParameters.pskIdentity = pskIdentity;
     if (mKeyExchange == 14)
     {
         mDHAgreePrivateKey = TlsDHUtilities.GenerateEphemeralClientKeyExchange(mContext.SecureRandom, mDHParameters, output);
     }
     else if (mKeyExchange == 24)
     {
         mECAgreePrivateKey = TlsEccUtilities.GenerateEphemeralClientKeyExchange(mContext.SecureRandom, mServerECPointFormats, mECAgreePublicKey.Parameters, output);
     }
     else if (mKeyExchange == 15)
     {
         mPremasterSecret = TlsRsaUtilities.GenerateEncryptedPreMasterSecret(mContext, mRsaServerPublicKey, output);
     }
 }
Ejemplo n.º 2
0
        public virtual byte[] GeneratePremasterSecret()
        {
            byte[] psk          = pskIdentity.GetPsk();
            byte[] other_secret = GenerateOtherSecret(psk.Length);

            MemoryStream buf = new MemoryStream(4 + other_secret.Length + psk.Length);

            TlsUtilities.WriteOpaque16(other_secret, buf);
            TlsUtilities.WriteOpaque16(psk, buf);
            return(buf.ToArray());
        }
Ejemplo n.º 3
0
        public override void GenerateClientKeyExchange(Stream output)
        {
            if (mPskIdentityHint == null)
            {
                mPskIdentity.SkipIdentityHint();
            }
            else
            {
                mPskIdentity.NotifyIdentityHint(mPskIdentityHint);
            }

            byte[] psk_identity = mPskIdentity.GetPskIdentity();
            if (psk_identity == null)
            {
                throw new TlsFatalAlert(AlertDescription.internal_error);
            }

            this.mPsk = mPskIdentity.GetPsk();
            if (mPsk == null)
            {
                throw new TlsFatalAlert(AlertDescription.internal_error);
            }

            TlsUtilities.WriteOpaque16(psk_identity, output);

            mContext.SecurityParameters.pskIdentity = psk_identity;

            if (this.mKeyExchange == KeyExchangeAlgorithm.DHE_PSK)
            {
                this.mDHAgreePrivateKey = TlsDHUtilities.GenerateEphemeralClientKeyExchange(mContext.SecureRandom,
                                                                                            mDHParameters, output);
            }
            else if (this.mKeyExchange == KeyExchangeAlgorithm.ECDHE_PSK)
            {
                this.mECAgreePrivateKey = TlsEccUtilities.GenerateEphemeralClientKeyExchange(mContext.SecureRandom,
                                                                                             mServerECPointFormats, mECAgreePublicKey.Parameters, output);
            }
            else if (this.mKeyExchange == KeyExchangeAlgorithm.RSA_PSK)
            {
                this.mPremasterSecret = TlsRsaUtilities.GenerateEncryptedPreMasterSecret(mContext,
                                                                                         this.mRsaServerPublicKey, output);
            }
        }