+/*
+ * ssl_log_rsa_client_key_exchange logs |premaster| to the SSL_CTX associated
+ * with |ssl|, if logging is enabled. It returns one on success and zero on
+ * failure. The entry is identified by the first 8 bytes of
+ * |encrypted_premaster|.
+ */
+__owur int ssl_log_rsa_client_key_exchange(SSL *ssl,
+ const uint8_t *encrypted_premaster,
+ size_t encrypted_premaster_len,
+ const uint8_t *premaster,
+ size_t premaster_len);
+
+/*
+ * ssl_log_secret logs |secret| to the SSL_CTX associated with |ssl|, if
+ * logging is available. It returns one on success and zero on failure. It tags
+ * the entry with |label|.
+ */
+__owur int ssl_log_secret(SSL *ssl, const char *label,
+ const uint8_t *secret, size_t secret_len);
+
+#define MASTER_SECRET_LABEL "CLIENT_RANDOM"
+#define CLIENT_HANDSHAKE_LABEL "CLIENT_HANDSHAKE_TRAFFIC_SECRET"
+#define SERVER_HANDSHAKE_LABEL "SERVER_HANDSHAKE_TRAFFIC_SECRET"
+#define CLIENT_APPLICATION_LABEL "CLIENT_TRAFFIC_SECRET_0"
+#define SERVER_APPLICATION_LABEL "SERVER_TRAFFIC_SECRET_0"
+