SSL_SESSION_get0_cipher
cipher = SSL_SESSION_get0_cipher(usesess);
__owur const SSL_CIPHER *SSL_SESSION_get0_cipher(const SSL_SESSION *s);
const SSL_CIPHER *sslcipher = SSL_SESSION_get0_cipher(s->session);
sslcipher = SSL_SESSION_get0_cipher(s->psksession);
sslcipher = SSL_SESSION_get0_cipher(s->psksession);
sslcipher = SSL_SESSION_get0_cipher(s->session);
aes_128_gcm_sha256 = SSL_SESSION_get0_cipher(clntsess);