+MSG_PROCESS_RETURN tls_process_end_of_early_data(SSL *s, PACKET *pkt);
+
+
+/* Extension processing */
+
+__owur int extension_is_relevant(SSL *s, unsigned int extctx,
+ unsigned int thisctx);
+__owur int tls_collect_extensions(SSL *s, PACKET *packet, unsigned int context,
+ RAW_EXTENSION **res, int *al, size_t *len,
+ int init);
+__owur int tls_parse_extension(SSL *s, TLSEXT_INDEX idx, int context,
+ RAW_EXTENSION *exts, X509 *x, size_t chainidx,
+ int *al);
+__owur int tls_parse_all_extensions(SSL *s, int context, RAW_EXTENSION *exts,
+ X509 *x, size_t chainidx, int *al, int fin);
+__owur int should_add_extension(SSL *s, unsigned int extctx,
+ unsigned int thisctx, int max_version);
+__owur int tls_construct_extensions(SSL *s, WPACKET *pkt, unsigned int context,
+ X509 *x, size_t chainidx, int *al);
+
+__owur int tls_psk_do_binder(SSL *s, const EVP_MD *md,
+ const unsigned char *msgstart,
+ size_t binderoffset, const unsigned char *binderin,
+ unsigned char *binderout,
+ SSL_SESSION *sess, int sign);
+
+/* Server Extension processing */
+int tls_parse_ctos_renegotiate(SSL *s, PACKET *pkt, unsigned int context,
+ X509 *x, size_t chainidx, int *al);
+int tls_parse_ctos_server_name(SSL *s, PACKET *pkt, unsigned int context,
+ X509 *x, size_t chainidx, int *al);
+#ifndef OPENSSL_NO_SRP
+int tls_parse_ctos_srp(SSL *s, PACKET *pkt, unsigned int context, X509 *x,
+ size_t chainidx, int *al);
+#endif
+int tls_parse_ctos_early_data(SSL *s, PACKET *pkt, unsigned int context,
+ X509 *x, size_t chainidx, int *al);
+#ifndef OPENSSL_NO_EC
+int tls_parse_ctos_ec_pt_formats(SSL *s, PACKET *pkt, unsigned int context,
+ X509 *x, size_t chainidx, int *al);
+int tls_parse_ctos_supported_groups(SSL *s, PACKET *pkt, unsigned int context,
+ X509 *x, size_t chainidx, int *al);
+#endif
+int tls_parse_ctos_session_ticket(SSL *s, PACKET *pkt, unsigned int context,
+ X509 *x, size_t chainidx, int *al);
+int tls_parse_ctos_sig_algs(SSL *s, PACKET *pkt, unsigned int context, X509 *x,
+ size_t chainidx, int *al);
+#ifndef OPENSSL_NO_OCSP
+int tls_parse_ctos_status_request(SSL *s, PACKET *pkt, unsigned int context,
+ X509 *x, size_t chainidx, int *al);
+#endif
+#ifndef OPENSSL_NO_NEXTPROTONEG
+int tls_parse_ctos_npn(SSL *s, PACKET *pkt, unsigned int context, X509 *x,
+ size_t chainidx, int *al);
+#endif
+int tls_parse_ctos_alpn(SSL *s, PACKET *pkt, unsigned int context, X509 *x,
+ size_t chainidx, int *al);
+#ifndef OPENSSL_NO_SRTP
+int tls_parse_ctos_use_srtp(SSL *s, PACKET *pkt, unsigned int context, X509 *x,
+ size_t chainidx, int *al);
+#endif
+int tls_parse_ctos_etm(SSL *s, PACKET *pkt, unsigned int context, X509 *x,
+ size_t chainidx, int *al);
+int tls_parse_ctos_key_share(SSL *s, PACKET *pkt, unsigned int context, X509 *x,
+ size_t chainidx, int *al);
+int tls_parse_ctos_ems(SSL *s, PACKET *pkt, unsigned int context, X509 *x,
+ size_t chainidx, int *al);
+int tls_parse_ctos_psk_kex_modes(SSL *s, PACKET *pkt, unsigned int context,
+ X509 *x, size_t chainidx, int *al);
+int tls_parse_ctos_psk(SSL *s, PACKET *pkt, unsigned int context, X509 *x,
+ size_t chainidx, int *al);
+
+int tls_construct_stoc_renegotiate(SSL *s, WPACKET *pkt, unsigned int context,
+ X509 *x, size_t chainidx, int *al);
+int tls_construct_stoc_server_name(SSL *s, WPACKET *pkt, unsigned int context,
+ X509 *x, size_t chainidx, int *al);
+int tls_construct_stoc_early_data(SSL *s, WPACKET *pkt, unsigned int context,
+ X509 *x, size_t chainidx, int *al);
+#ifndef OPENSSL_NO_EC
+int tls_construct_stoc_ec_pt_formats(SSL *s, WPACKET *pkt, unsigned int context,
+ X509 *x, size_t chainidx, int *al);
+#endif
+int tls_construct_stoc_session_ticket(SSL *s, WPACKET *pkt,
+ unsigned int context, X509 *x,
+ size_t chainidx, int *al);
+#ifndef OPENSSL_NO_OCSP
+int tls_construct_stoc_status_request(SSL *s, WPACKET *pkt,
+ unsigned int context, X509 *x,
+ size_t chainidx, int *al);
+#endif
+#ifndef OPENSSL_NO_NEXTPROTONEG
+int tls_construct_stoc_next_proto_neg(SSL *s, WPACKET *pkt,
+ unsigned int context, X509 *x,
+ size_t chainidx, int *al);
+#endif
+int tls_construct_stoc_alpn(SSL *s, WPACKET *pkt, unsigned int context, X509 *x,
+ size_t chainidx, int *al);
+#ifndef OPENSSL_NO_SRTP
+int tls_construct_stoc_use_srtp(SSL *s, WPACKET *pkt, unsigned int context,
+ X509 *x, size_t chainidx, int *al);
+#endif
+int tls_construct_stoc_etm(SSL *s, WPACKET *pkt, unsigned int context, X509 *x,
+ size_t chainidx, int *al);
+int tls_construct_stoc_ems(SSL *s, WPACKET *pkt, unsigned int context, X509 *x,
+ size_t chainidx, int *al);
+int tls_construct_stoc_key_share(SSL *s, WPACKET *pkt, unsigned int context,
+ X509 *x, size_t chainidx, int *al);
+/*
+ * Not in public headers as this is not an official extension. Only used when
+ * SSL_OP_CRYPTOPRO_TLSEXT_BUG is set.
+ */
+#define TLSEXT_TYPE_cryptopro_bug 0xfde8
+int tls_construct_stoc_cryptopro_bug(SSL *s, WPACKET *pkt, unsigned int context,
+ X509 *x, size_t chainidx, int *al);
+int tls_construct_stoc_psk(SSL *s, WPACKET *pkt, unsigned int context, X509 *x,
+ size_t chainidx, int *al);
+
+/* Client Extension processing */
+int tls_construct_ctos_renegotiate(SSL *s, WPACKET *pkt, unsigned int context,
+ X509 *x, size_t chainidx, int *al);
+int tls_construct_ctos_server_name(SSL *s, WPACKET *pkt, unsigned int context,
+ X509 *x, size_t chainidx, int *al);
+#ifndef OPENSSL_NO_SRP
+int tls_construct_ctos_srp(SSL *s, WPACKET *pkt, unsigned int context, X509 *x,
+ size_t chainidx, int *al);
+#endif
+#ifndef OPENSSL_NO_EC
+int tls_construct_ctos_ec_pt_formats(SSL *s, WPACKET *pkt, unsigned int context,
+ X509 *x, size_t chainidx, int *al);
+int tls_construct_ctos_supported_groups(SSL *s, WPACKET *pkt,
+ unsigned int context, X509 *x,
+ size_t chainidx, int *al);
+#endif
+int tls_construct_ctos_early_data(SSL *s, WPACKET *pkt, unsigned int context,
+ X509 *x, size_t chainidx, int *al);
+int tls_construct_ctos_session_ticket(SSL *s, WPACKET *pkt,
+ unsigned int context, X509 *x,
+ size_t chainidx, int *al);
+int tls_construct_ctos_sig_algs(SSL *s, WPACKET *pkt, unsigned int context,
+ X509 *x, size_t chainidx, int *al);
+#ifndef OPENSSL_NO_OCSP
+int tls_construct_ctos_status_request(SSL *s, WPACKET *pkt,
+ unsigned int context, X509 *x,
+ size_t chainidx, int *al);
+#endif
+#ifndef OPENSSL_NO_NEXTPROTONEG
+int tls_construct_ctos_npn(SSL *s, WPACKET *pkt, unsigned int context, X509 *x,
+ size_t chainidx, int *al);
+#endif
+int tls_construct_ctos_alpn(SSL *s, WPACKET *pkt, unsigned int context, X509 *x,
+ size_t chainidx, int *al);
+#ifndef OPENSSL_NO_SRTP
+int tls_construct_ctos_use_srtp(SSL *s, WPACKET *pkt, unsigned int context,
+ X509 *x, size_t chainidx, int *al);
+#endif
+int tls_construct_ctos_etm(SSL *s, WPACKET *pkt, unsigned int context, X509 *x,
+ size_t chainidx, int *al);
+#ifndef OPENSSL_NO_CT
+int tls_construct_ctos_sct(SSL *s, WPACKET *pkt, unsigned int context, X509 *x,
+ size_t chainidx, int *al);
+#endif
+int tls_construct_ctos_ems(SSL *s, WPACKET *pkt, unsigned int context, X509 *x,
+ size_t chainidx, int *al);
+int tls_construct_ctos_supported_versions(SSL *s, WPACKET *pkt,
+ unsigned int context, X509 *x,
+ size_t chainidx, int *al);
+int tls_construct_ctos_key_share(SSL *s, WPACKET *pkt, unsigned int context,
+ X509 *x, size_t chainidx, int *al);
+int tls_construct_ctos_psk_kex_modes(SSL *s, WPACKET *pkt, unsigned int context,
+ X509 *x, size_t chainidx, int *al);
+int tls_construct_ctos_cookie(SSL *s, WPACKET *pkt, unsigned int context,
+ X509 *x, size_t chainidx, int *al);
+int tls_construct_ctos_padding(SSL *s, WPACKET *pkt, unsigned int context,
+ X509 *x, size_t chainidx, int *al);
+int tls_construct_ctos_psk(SSL *s, WPACKET *pkt, unsigned int context, X509 *x,
+ size_t chainidx, int *al);
+int tls_parse_stoc_renegotiate(SSL *s, PACKET *pkt, unsigned int context,
+ X509 *x, size_t chainidx, int *al);
+int tls_parse_stoc_server_name(SSL *s, PACKET *pkt, unsigned int context,
+ X509 *x, size_t chainidx, int *al);
+int tls_parse_stoc_early_data(SSL *s, PACKET *pkt, unsigned int context,
+ X509 *x, size_t chainidx, int *al);
+#ifndef OPENSSL_NO_EC
+int tls_parse_stoc_ec_pt_formats(SSL *s, PACKET *pkt, unsigned int context,
+ X509 *x, size_t chainidx, int *al);
+#endif
+int tls_parse_stoc_session_ticket(SSL *s, PACKET *pkt, unsigned int context,
+ X509 *x, size_t chainidx, int *al);
+#ifndef OPENSSL_NO_OCSP
+int tls_parse_stoc_status_request(SSL *s, PACKET *pkt, unsigned int context,
+ X509 *x, size_t chainidx, int *al);
+#endif
+#ifndef OPENSSL_NO_CT
+int tls_parse_stoc_sct(SSL *s, PACKET *pkt, unsigned int context, X509 *x,
+ size_t chainidx, int *al);
+#endif
+#ifndef OPENSSL_NO_NEXTPROTONEG
+int tls_parse_stoc_npn(SSL *s, PACKET *pkt, unsigned int context, X509 *x,
+ size_t chainidx, int *al);
+#endif
+int tls_parse_stoc_alpn(SSL *s, PACKET *pkt, unsigned int context, X509 *x,
+ size_t chainidx, int *al);
+#ifndef OPENSSL_NO_SRTP
+int tls_parse_stoc_use_srtp(SSL *s, PACKET *pkt, unsigned int context, X509 *x,
+ size_t chainidx, int *al);
+#endif
+int tls_parse_stoc_etm(SSL *s, PACKET *pkt, unsigned int context, X509 *x,
+ size_t chainidx, int *al);
+int tls_parse_stoc_ems(SSL *s, PACKET *pkt, unsigned int context, X509 *x,
+ size_t chainidx, int *al);
+int tls_parse_stoc_key_share(SSL *s, PACKET *pkt, unsigned int context, X509 *x,
+ size_t chainidx, int *al);
+int tls_parse_stoc_cookie(SSL *s, PACKET *pkt, unsigned int context, X509 *x,
+ size_t chainidx, int *al);
+int tls_parse_stoc_psk(SSL *s, PACKET *pkt, unsigned int context, X509 *x,
+ size_t chainidx, int *al);