SSL_CIPHER_get_handshake_digest
LSSL_USED(SSL_CIPHER_get_handshake_digest);
const EVP_MD *SSL_CIPHER_get_handshake_digest(const SSL_CIPHER *c);
LSSL_ALIAS(SSL_CIPHER_get_handshake_digest);
digest = SSL_CIPHER_get_handshake_digest(cipher);