+#ifndef OPENSSL_NO_EC
+int tls1_ec_curve_id2nid(int curve_id);
+int tls1_ec_nid2curve_id(int nid);
+int tls1_check_curve(SSL *s, const unsigned char *p, size_t len);
+int tls1_shared_curve(SSL *s, int nmatch);
+int tls1_set_curves(unsigned char **pext, size_t *pextlen,
+ int *curves, size_t ncurves);
+int tls1_set_curves_list(unsigned char **pext, size_t *pextlen,
+ const char *str);
+int tls1_check_ec_tmp_key(SSL *s, unsigned long id);
+#endif /* OPENSSL_NO_EC */
+
+#ifndef OPENSSL_NO_TLSEXT
+int tls1_shared_list(SSL *s,
+ const unsigned char *l1, size_t l1len,
+ const unsigned char *l2, size_t l2len,
+ int nmatch);
+unsigned char *ssl_add_clienthello_tlsext(SSL *s, unsigned char *p, unsigned char *limit);
+unsigned char *ssl_add_serverhello_tlsext(SSL *s, unsigned char *p, unsigned char *limit);
+int ssl_parse_clienthello_tlsext(SSL *s, unsigned char **data, unsigned char *d, int n);
+int ssl_check_clienthello_tlsext_late(SSL *s);
+int ssl_parse_serverhello_tlsext(SSL *s, unsigned char **data, unsigned char *d, int n);
+int ssl_prepare_clienthello_tlsext(SSL *s);
+int ssl_prepare_serverhello_tlsext(SSL *s);
+
+/* server only */
+int tls1_send_server_supplemental_data(SSL *s);
+/* client only */
+int tls1_get_server_supplemental_data(SSL *s);
+
+#ifndef OPENSSL_NO_HEARTBEATS
+int tls1_heartbeat(SSL *s);
+int dtls1_heartbeat(SSL *s);
+int tls1_process_heartbeat(SSL *s);
+int dtls1_process_heartbeat(SSL *s);
+#endif
+
+#ifdef OPENSSL_NO_SHA256
+#define tlsext_tick_md EVP_sha1
+#else
+#define tlsext_tick_md EVP_sha256
+#endif
+int tls1_process_ticket(SSL *s, unsigned char *session_id, int len,
+ const unsigned char *limit, SSL_SESSION **ret);
+
+int tls12_get_sigandhash(unsigned char *p, const EVP_PKEY *pk,
+ const EVP_MD *md);
+int tls12_get_sigid(const EVP_PKEY *pk);
+const EVP_MD *tls12_get_hash(unsigned char hash_alg);
+
+int tls1_set_sigalgs_list(CERT *c, const char *str, int client);
+int tls1_set_sigalgs(CERT *c, const int *salg, size_t salglen, int client);
+int tls1_check_chain(SSL *s, X509 *x, EVP_PKEY *pk, STACK_OF(X509) *chain,
+ int idx);
+void tls1_set_cert_validity(SSL *s);
+
+#endif
+EVP_MD_CTX* ssl_replace_hash(EVP_MD_CTX **hash,const EVP_MD *md) ;
+void ssl_clear_hash_ctx(EVP_MD_CTX **hash);
+int ssl_add_serverhello_renegotiate_ext(SSL *s, unsigned char *p, int *len,
+ int maxlen);
+int ssl_parse_serverhello_renegotiate_ext(SSL *s, unsigned char *d, int len,
+ int *al);
+int ssl_add_clienthello_renegotiate_ext(SSL *s, unsigned char *p, int *len,
+ int maxlen);
+int ssl_parse_clienthello_renegotiate_ext(SSL *s, unsigned char *d, int len,
+ int *al);
+long ssl_get_algorithm2(SSL *s);
+int tls1_process_sigalgs(SSL *s, const unsigned char *data, int dsize);
+size_t tls12_get_psigalgs(SSL *s, const unsigned char **psigs);
+int tls12_check_peer_sigalg(const EVP_MD **pmd, SSL *s,
+ const unsigned char *sig, EVP_PKEY *pkey);
+void ssl_set_client_disabled(SSL *s);
+
+int ssl_add_clienthello_use_srtp_ext(SSL *s, unsigned char *p, int *len, int maxlen);
+int ssl_parse_clienthello_use_srtp_ext(SSL *s, unsigned char *d, int len,int *al);
+int ssl_add_serverhello_use_srtp_ext(SSL *s, unsigned char *p, int *len, int maxlen);
+int ssl_parse_serverhello_use_srtp_ext(SSL *s, unsigned char *d, int len,int *al);