SSL_GET_PEER_CERTIFICATE(3ssl) OpenSSL SSL_GET_PEER_CERTIFICATE(3ssl) SSL_get_peer_certificate, SSL_get0_peer_certificate, SSL_get1_peer_certificate - X509 #include X509 *SSL_get0_peer_certificate(const SSL *ssl); X509 *SSL_get1_peer_certificate(const SSL *ssl); OpenSSL 3.0 OPENSSL_API_COMPAT openssl_user_macros(7): X509 *SSL_get_peer_certificate(const SSL *ssl); X509 . NULL. TLS/SSL . ( SSL_CTX_set_verify(3)). . SSL_get_verify_result(3) . X509 SSL_get1_peer_certificate() . X509 X509_free(). X509 SSL_get0_peer_certificate() . SSL_get_peer_certificate() SSL_get1_peer_certificate(). : NULL . X509 . ssl(7), SSL_get_verify_result(3), SSL_CTX_set_verify(3) SSL_get0_peer_certificate() SSL_get1_peer_certificate() 3.0.0. SSL_get_peer_certificate() 3.0.0. 2000-2024 OpenSSL. . Apache 2.0 ( ""). . LICENSE . 3 . . : . 3.6.2 7 2026 SSL_GET_PEER_CERTIFICATE(3ssl)