tls12_derive_master_secret
if (!tls12_derive_master_secret(s, pms, sizeof(pms)))
if (!tls12_derive_master_secret(s, key, key_len))
if (!tls12_derive_master_secret(s, key, key_len))
int tls12_derive_master_secret(SSL *s, uint8_t *premaster_secret,
if (!tls12_derive_master_secret(s, pms, SSL_MAX_MASTER_KEY_LENGTH))
if (!tls12_derive_master_secret(s, key, key_len))
if (!tls12_derive_master_secret(s, key, key_len))