Method build

extra/yassl/src/yassl_imp.cpp:78–100

build/set PreMaster secret and encrypt, client side

// build/set PreMaster secret and encrypt, client side
void EncryptedPreMasterSecret::build(SSL& ssl)
{
    opaque tmp[SECRET_LEN];
    memset(tmp, 0, sizeof(tmp));
    ssl.getCrypto().get_random().Fill(tmp, SECRET_LEN);
    ProtocolVersion pv = ssl.getSecurity().get_connection().chVersion_;
    tmp[0] = pv.major_;
    tmp[1] = pv.minor_;
    ssl.set_preMaster(tmp, SECRET_LEN);

    const CertManager& cert = ssl.getCrypto().get_certManager();
    RSA rsa(cert.get_peerKey(), cert.get_peerKeyLength());
    bool tls = ssl.isTLS();     // if TLS, put length for encrypted data
    alloc(rsa.get_cipherLength() + (tls ? 2 : 0));
    byte* holder = secret_;
    if (tls) {
        byte len[2];
        c16toa(rsa.get_cipherLength(), len);
        memcpy(secret_, len, sizeof(len));
        holder += 2;
    }
    rsa.encrypt(holder, tmp, SECRET_LEN, ssl.getCrypto().get_random());
}


// build/set premaster and Client Public key, client side