534     uint16_t cookie_len;  in ssl_tls13_parse_cookie_ext()  local
540     cookie_len = MBEDTLS_GET_UINT16_BE(p, 0);  in ssl_tls13_parse_cookie_ext()
543     MBEDTLS_SSL_CHK_BUF_READ_PTR(p, end, cookie_len);  in ssl_tls13_parse_cookie_ext()
544     MBEDTLS_SSL_DEBUG_BUF(3, "cookie extension", p, cookie_len);  in ssl_tls13_parse_cookie_ext()
547     handshake->cookie_len = 0;  in ssl_tls13_parse_cookie_ext()
548     handshake->cookie = mbedtls_calloc(1, cookie_len);  in ssl_tls13_parse_cookie_ext()
552                                cookie_len));  in ssl_tls13_parse_cookie_ext()
556     memcpy(handshake->cookie, p, cookie_len);  in ssl_tls13_parse_cookie_ext()
557     handshake->cookie_len = cookie_len;  in ssl_tls13_parse_cookie_ext()
579                           handshake->cookie_len);  in ssl_tls13_write_cookie_ext()
581     MBEDTLS_SSL_CHK_BUF_PTR(p, end, handshake->cookie_len + 6);  in ssl_tls13_write_cookie_ext()
586     MBEDTLS_PUT_UINT16_BE(handshake->cookie_len + 2, p, 2);  in ssl_tls13_write_cookie_ext()
587     MBEDTLS_PUT_UINT16_BE(handshake->cookie_len, p, 4);  in ssl_tls13_write_cookie_ext()
591     memcpy(p, handshake->cookie, handshake->cookie_len);  in ssl_tls13_write_cookie_ext()
593     *out_len = handshake->cookie_len + 6;  in ssl_tls13_write_cookie_ext()