28 int tls13_hkdf_expand(SSL *s, const EVP_MD *md, const unsigned char *secret,  in tls13_hkdf_expand()  argument
95             || EVP_PKEY_CTX_set1_hkdf_key(pctx, secret, hashlen) <= 0  in tls13_hkdf_expand()
116 int tls13_derive_key(SSL *s, const EVP_MD *md, const unsigned char *secret,  in tls13_derive_key()  argument
125     return tls13_hkdf_expand(s, md, secret, keylabel, sizeof(keylabel) - 1,  in tls13_derive_key()
133 int tls13_derive_iv(SSL *s, const EVP_MD *md, const unsigned char *secret,  in tls13_derive_iv()  argument
142     return tls13_hkdf_expand(s, md, secret, ivlabel, sizeof(ivlabel) - 1,  in tls13_derive_iv()
147                              const unsigned char *secret,  in tls13_derive_finishedkey()  argument
156     return tls13_hkdf_expand(s, md, secret, finishedlabel,  in tls13_derive_finishedkey()
365                                     size_t labellen, unsigned char *secret,  in derive_secret_key_and_iv()  argument
382                            secret, hashlen, 1)) {  in derive_secret_key_and_iv()
415     if (!tls13_derive_key(s, md, secret, key, keylen)  in derive_secret_key_and_iv()
416             || !tls13_derive_iv(s, md, secret, iv, ivlen)) {  in derive_secret_key_and_iv()
459     unsigned char secret[EVP_MAX_MD_SIZE];  in tls13_change_cipher_state()  local
675                                   insecret, hash, label, labellen, secret, iv,  in tls13_change_cipher_state()
682         memcpy(s->server_app_traffic_secret, secret, hashlen);  in tls13_change_cipher_state()
699         memcpy(s->client_app_traffic_secret, secret, hashlen);  in tls13_change_cipher_state()
701     if (!ssl_log_secret(s, log_label, secret, hashlen)) {  in tls13_change_cipher_state()
707             && !tls13_derive_finishedkey(s, ssl_handshake_md(s), secret,  in tls13_change_cipher_state()
719     OPENSSL_cleanse(secret, sizeof(secret));  in tls13_change_cipher_state()
733     unsigned char secret[EVP_MAX_MD_SIZE];  in tls13_update_key()  local
756                                   sizeof(application_traffic) - 1, secret, iv,  in tls13_update_key()
762     memcpy(insecret, secret, hashlen);  in tls13_update_key()
767     OPENSSL_cleanse(secret, sizeof(secret));  in tls13_update_key()