Package sun.security.ssl.CipherSuite

Examples of sun.security.ssl.CipherSuite.PRF

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        if (protocolVersion.v >= ProtocolVersion.TLS10.v) {
            // TLS 1.0+
            try {
                byte [] seed;
                String prfAlg;
                PRF prf;

                // Get the KeyGenerator alg and calculate the seed.
                if (protocolVersion.v >= ProtocolVersion.TLS12.v) {
                    // TLS 1.2
                    seed = handshakeHash.getFinishedHash();

                    prfAlg = "SunTls12Prf";
                    prf = cipherSuite.prfAlg;
                } else {
                    // TLS 1.0/1.1
                    MessageDigest md5Clone = handshakeHash.getMD5Clone();
                    MessageDigest shaClone = handshakeHash.getSHAClone();
                    seed = new byte[36];
                    md5Clone.digest(seed, 0, 16);
                    shaClone.digest(seed, 16, 20);

                    prfAlg = "SunTlsPrf";
                    prf = P_NONE;
                }

                String prfHashAlg = prf.getPRFHashAlg();
                int prfHashLength = prf.getPRFHashLength();
                int prfBlockSize = prf.getPRFBlockSize();

                /*
                 * RFC 5246/7.4.9 says that finished messages can
                 * be ciphersuite-specific in both length/PRF hash
                 * algorithm.  If we ever run across a different
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            // benefit to doing it twice
        }

        // What algs/params do we need to use?
        String masterAlg;
        PRF prf;

        if (protocolVersion.v >= ProtocolVersion.TLS12.v) {
            masterAlg = "SunTls12MasterSecret";
            prf = cipherSuite.prfAlg;
        } else {
            masterAlg = "SunTlsMasterSecret";
            prf = P_NONE;
        }

        String prfHashAlg = prf.getPRFHashAlg();
        int prfHashLength = prf.getPRFHashLength();
        int prfBlockSize = prf.getPRFBlockSize();

        TlsMasterSecretParameterSpec spec = new TlsMasterSecretParameterSpec(
                preMasterSecret, protocolVersion.major, protocolVersion.minor,
                clnt_random.random_bytes, svr_random.random_bytes,
                prfHashAlg, prfHashLength, prfBlockSize);
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        BulkCipher cipher = cipherSuite.cipher;
        int expandedKeySize = is_exportable ? cipher.expandedKeySize : 0;

        // Which algs/params do we need to use?
        String keyMaterialAlg;
        PRF prf;

        if (protocolVersion.v >= ProtocolVersion.TLS12.v) {
            keyMaterialAlg = "SunTls12KeyMaterial";
            prf = cipherSuite.prfAlg;
        } else {
            keyMaterialAlg = "SunTlsKeyMaterial";
            prf = P_NONE;
        }

        String prfHashAlg = prf.getPRFHashAlg();
        int prfHashLength = prf.getPRFHashLength();
        int prfBlockSize = prf.getPRFBlockSize();

        TlsKeyMaterialParameterSpec spec = new TlsKeyMaterialParameterSpec(
            masterKey, protocolVersion.major, protocolVersion.minor,
            clnt_random.random_bytes, svr_random.random_bytes,
            cipher.algorithm, cipher.keySize, expandedKeySize,
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Related Classes of sun.security.ssl.CipherSuite.PRF

  • sun.security.ssl.CipherSuite
  • sun.security.ssl.HandshakeMessage$Finished
  • sun.security.ssl.Handshaker
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