branch: master
cipher_suite.c
28740 bytesRaw
/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) Jan Venekamp, <jan@venekamp.net>
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at https://curl.se/docs/copyright.html.
*
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
* copies of the Software, and permit persons to whom the Software is
* furnished to do so, under the terms of the COPYING file.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
* SPDX-License-Identifier: curl
*
***************************************************************************/
#include "curl_setup.h"
#if defined(USE_MBEDTLS) || defined(USE_RUSTLS)
#include "vtls/cipher_suite.h"
/*
* To support the CURLOPT_SSL_CIPHER_LIST option on SSL backends
* that do not support it natively, but do support setting a list of
* IANA ids, we need a list of all supported cipher suite names
* (OpenSSL and IANA) to be able to look up the IANA ids.
*
* To keep the binary size of this list down we compress each entry
* down to 2 + 6 bytes using the C preprocessor.
*/
/*
* mbedTLS NOTE: mbedTLS has mbedtls_ssl_get_ciphersuite_id() to
* convert a string representation to an IANA id, we do not use that
* because it does not support "standard" OpenSSL cipher suite
* names, nor IANA names.
*/
/* NOTE: also see tests/unit/unit3205.c */
/* Text for cipher suite parts (max 64 entries),
keep indexes below in sync with this! */
static const char *cs_txt =
"\0"
"TLS" "\0"
"WITH" "\0"
"128" "\0"
"256" "\0"
"3DES" "\0"
"8" "\0"
"AES" "\0"
"AES128" "\0"
"AES256" "\0"
"CBC" "\0"
"CBC3" "\0"
"CCM" "\0"
"CCM8" "\0"
"CHACHA20" "\0"
"DES" "\0"
"DHE" "\0"
"ECDH" "\0"
"ECDHE" "\0"
"ECDSA" "\0"
"EDE" "\0" /* spellchecker:disable-line */
"GCM" "\0"
"MD5" "\0"
"NULL" "\0"
"POLY1305" "\0"
"PSK" "\0"
"RSA" "\0"
"SHA" "\0"
"SHA256" "\0"
"SHA384" "\0"
#ifdef USE_MBEDTLS
"ARIA" "\0"
"ARIA128" "\0"
"ARIA256" "\0"
"CAMELLIA" "\0"
"CAMELLIA128" "\0"
"CAMELLIA256" "\0"
#endif
;
/* Indexes of above cs_txt */
enum {
CS_TXT_IDX_,
CS_TXT_IDX_TLS,
CS_TXT_IDX_WITH,
CS_TXT_IDX_128,
CS_TXT_IDX_256,
CS_TXT_IDX_3DES,
CS_TXT_IDX_8,
CS_TXT_IDX_AES,
CS_TXT_IDX_AES128,
CS_TXT_IDX_AES256,
CS_TXT_IDX_CBC,
CS_TXT_IDX_CBC3,
CS_TXT_IDX_CCM,
CS_TXT_IDX_CCM8,
CS_TXT_IDX_CHACHA20,
CS_TXT_IDX_DES,
CS_TXT_IDX_DHE,
CS_TXT_IDX_ECDH,
CS_TXT_IDX_ECDHE,
CS_TXT_IDX_ECDSA,
CS_TXT_IDX_EDE, /* spellchecker:disable-line */
CS_TXT_IDX_GCM,
CS_TXT_IDX_MD5,
CS_TXT_IDX_NULL,
CS_TXT_IDX_POLY1305,
CS_TXT_IDX_PSK,
CS_TXT_IDX_RSA,
CS_TXT_IDX_SHA,
CS_TXT_IDX_SHA256,
CS_TXT_IDX_SHA384,
#ifdef USE_MBEDTLS
CS_TXT_IDX_ARIA,
CS_TXT_IDX_ARIA128,
CS_TXT_IDX_ARIA256,
CS_TXT_IDX_CAMELLIA,
CS_TXT_IDX_CAMELLIA128,
CS_TXT_IDX_CAMELLIA256,
#endif
CS_TXT_LEN,
};
#define CS_ZIP_IDX(a, b, c, d, e, f, g, h) \
{ \
(uint8_t)((((a) << 2) & 0xFF) | ((b) & 0x3F) >> 4), \
(uint8_t)((((b) << 4) & 0xFF) | ((c) & 0x3F) >> 2), \
(uint8_t)((((c) << 6) & 0xFF) | ((d) & 0x3F)), \
(uint8_t)((((e) << 2) & 0xFF) | ((f) & 0x3F) >> 4), \
(uint8_t)((((f) << 4) & 0xFF) | ((g) & 0x3F) >> 2), \
(uint8_t)((((g) << 6) & 0xFF) | ((h) & 0x3F)) \
}
#define CS_ENTRY(id, a, b, c, d, e, f, g, h) \
{ \
id, \
CS_ZIP_IDX( \
CS_TXT_IDX_ ## a, CS_TXT_IDX_ ## b, \
CS_TXT_IDX_ ## c, CS_TXT_IDX_ ## d, \
CS_TXT_IDX_ ## e, CS_TXT_IDX_ ## f, \
CS_TXT_IDX_ ## g, CS_TXT_IDX_ ## h \
) \
}
struct cs_entry {
uint16_t id;
uint8_t zip[6];
};
/* !checksrc! disable COMMANOSPACE all */
static const struct cs_entry cs_list[] = {
/* TLS 1.3 ciphers */
CS_ENTRY(0x1301, TLS,AES,128,GCM,SHA256,,,),
CS_ENTRY(0x1302, TLS,AES,256,GCM,SHA384,,,),
CS_ENTRY(0x1303, TLS,CHACHA20,POLY1305,SHA256,,,,),
CS_ENTRY(0x1304, TLS,AES,128,CCM,SHA256,,,),
CS_ENTRY(0x1305, TLS,AES,128,CCM,8,SHA256,,),
/* TLS 1.2 ciphers */
CS_ENTRY(0xC02B, TLS,ECDHE,ECDSA,WITH,AES,128,GCM,SHA256),
CS_ENTRY(0xC02B, ECDHE,ECDSA,AES128,GCM,SHA256,,,),
CS_ENTRY(0xC02C, TLS,ECDHE,ECDSA,WITH,AES,256,GCM,SHA384),
CS_ENTRY(0xC02C, ECDHE,ECDSA,AES256,GCM,SHA384,,,),
CS_ENTRY(0xC02F, TLS,ECDHE,RSA,WITH,AES,128,GCM,SHA256),
CS_ENTRY(0xC02F, ECDHE,RSA,AES128,GCM,SHA256,,,),
CS_ENTRY(0xC030, TLS,ECDHE,RSA,WITH,AES,256,GCM,SHA384),
CS_ENTRY(0xC030, ECDHE,RSA,AES256,GCM,SHA384,,,),
CS_ENTRY(0xCCA8, TLS,ECDHE,RSA,WITH,CHACHA20,POLY1305,SHA256,),
CS_ENTRY(0xCCA8, ECDHE,RSA,CHACHA20,POLY1305,,,,),
CS_ENTRY(0xCCA9, TLS,ECDHE,ECDSA,WITH,CHACHA20,POLY1305,SHA256,),
CS_ENTRY(0xCCA9, ECDHE,ECDSA,CHACHA20,POLY1305,,,,),
#ifdef USE_MBEDTLS
CS_ENTRY(0x002F, TLS,RSA,WITH,AES,128,CBC,SHA,),
CS_ENTRY(0x002F, AES128,SHA,,,,,,),
CS_ENTRY(0x0035, TLS,RSA,WITH,AES,256,CBC,SHA,),
CS_ENTRY(0x0035, AES256,SHA,,,,,,),
CS_ENTRY(0x003C, TLS,RSA,WITH,AES,128,CBC,SHA256,),
CS_ENTRY(0x003C, AES128,SHA256,,,,,,),
CS_ENTRY(0x003D, TLS,RSA,WITH,AES,256,CBC,SHA256,),
CS_ENTRY(0x003D, AES256,SHA256,,,,,,),
CS_ENTRY(0x009C, TLS,RSA,WITH,AES,128,GCM,SHA256,),
CS_ENTRY(0x009C, AES128,GCM,SHA256,,,,,),
CS_ENTRY(0x009D, TLS,RSA,WITH,AES,256,GCM,SHA384,),
CS_ENTRY(0x009D, AES256,GCM,SHA384,,,,,),
CS_ENTRY(0xC004, TLS,ECDH,ECDSA,WITH,AES,128,CBC,SHA),
CS_ENTRY(0xC004, ECDH,ECDSA,AES128,SHA,,,,),
CS_ENTRY(0xC005, TLS,ECDH,ECDSA,WITH,AES,256,CBC,SHA),
CS_ENTRY(0xC005, ECDH,ECDSA,AES256,SHA,,,,),
CS_ENTRY(0xC009, TLS,ECDHE,ECDSA,WITH,AES,128,CBC,SHA),
CS_ENTRY(0xC009, ECDHE,ECDSA,AES128,SHA,,,,),
CS_ENTRY(0xC00A, TLS,ECDHE,ECDSA,WITH,AES,256,CBC,SHA),
CS_ENTRY(0xC00A, ECDHE,ECDSA,AES256,SHA,,,,),
CS_ENTRY(0xC00E, TLS,ECDH,RSA,WITH,AES,128,CBC,SHA),
CS_ENTRY(0xC00E, ECDH,RSA,AES128,SHA,,,,),
CS_ENTRY(0xC00F, TLS,ECDH,RSA,WITH,AES,256,CBC,SHA),
CS_ENTRY(0xC00F, ECDH,RSA,AES256,SHA,,,,),
CS_ENTRY(0xC013, TLS,ECDHE,RSA,WITH,AES,128,CBC,SHA),
CS_ENTRY(0xC013, ECDHE,RSA,AES128,SHA,,,,),
CS_ENTRY(0xC014, TLS,ECDHE,RSA,WITH,AES,256,CBC,SHA),
CS_ENTRY(0xC014, ECDHE,RSA,AES256,SHA,,,,),
CS_ENTRY(0xC023, TLS,ECDHE,ECDSA,WITH,AES,128,CBC,SHA256),
CS_ENTRY(0xC023, ECDHE,ECDSA,AES128,SHA256,,,,),
CS_ENTRY(0xC024, TLS,ECDHE,ECDSA,WITH,AES,256,CBC,SHA384),
CS_ENTRY(0xC024, ECDHE,ECDSA,AES256,SHA384,,,,),
CS_ENTRY(0xC025, TLS,ECDH,ECDSA,WITH,AES,128,CBC,SHA256),
CS_ENTRY(0xC025, ECDH,ECDSA,AES128,SHA256,,,,),
CS_ENTRY(0xC026, TLS,ECDH,ECDSA,WITH,AES,256,CBC,SHA384),
CS_ENTRY(0xC026, ECDH,ECDSA,AES256,SHA384,,,,),
CS_ENTRY(0xC027, TLS,ECDHE,RSA,WITH,AES,128,CBC,SHA256),
CS_ENTRY(0xC027, ECDHE,RSA,AES128,SHA256,,,,),
CS_ENTRY(0xC028, TLS,ECDHE,RSA,WITH,AES,256,CBC,SHA384),
CS_ENTRY(0xC028, ECDHE,RSA,AES256,SHA384,,,,),
CS_ENTRY(0xC029, TLS,ECDH,RSA,WITH,AES,128,CBC,SHA256),
CS_ENTRY(0xC029, ECDH,RSA,AES128,SHA256,,,,),
CS_ENTRY(0xC02A, TLS,ECDH,RSA,WITH,AES,256,CBC,SHA384),
CS_ENTRY(0xC02A, ECDH,RSA,AES256,SHA384,,,,),
CS_ENTRY(0xC02D, TLS,ECDH,ECDSA,WITH,AES,128,GCM,SHA256),
CS_ENTRY(0xC02D, ECDH,ECDSA,AES128,GCM,SHA256,,,),
CS_ENTRY(0xC02E, TLS,ECDH,ECDSA,WITH,AES,256,GCM,SHA384),
CS_ENTRY(0xC02E, ECDH,ECDSA,AES256,GCM,SHA384,,,),
CS_ENTRY(0xC031, TLS,ECDH,RSA,WITH,AES,128,GCM,SHA256),
CS_ENTRY(0xC031, ECDH,RSA,AES128,GCM,SHA256,,,),
CS_ENTRY(0xC032, TLS,ECDH,RSA,WITH,AES,256,GCM,SHA384),
CS_ENTRY(0xC032, ECDH,RSA,AES256,GCM,SHA384,,,),
CS_ENTRY(0x0001, TLS,RSA,WITH,NULL,MD5,,,),
CS_ENTRY(0x0001, NULL,MD5,,,,,,),
CS_ENTRY(0x0002, TLS,RSA,WITH,NULL,SHA,,,),
CS_ENTRY(0x0002, NULL,SHA,,,,,,),
CS_ENTRY(0x002C, TLS,PSK,WITH,NULL,SHA,,,),
CS_ENTRY(0x002C, PSK,NULL,SHA,,,,,),
CS_ENTRY(0x002D, TLS,DHE,PSK,WITH,NULL,SHA,,),
CS_ENTRY(0x002D, DHE,PSK,NULL,SHA,,,,),
CS_ENTRY(0x002E, TLS,RSA,PSK,WITH,NULL,SHA,,),
CS_ENTRY(0x002E, RSA,PSK,NULL,SHA,,,,),
CS_ENTRY(0x0033, TLS,DHE,RSA,WITH,AES,128,CBC,SHA),
CS_ENTRY(0x0033, DHE,RSA,AES128,SHA,,,,),
CS_ENTRY(0x0039, TLS,DHE,RSA,WITH,AES,256,CBC,SHA),
CS_ENTRY(0x0039, DHE,RSA,AES256,SHA,,,,),
CS_ENTRY(0x003B, TLS,RSA,WITH,NULL,SHA256,,,),
CS_ENTRY(0x003B, NULL,SHA256,,,,,,),
CS_ENTRY(0x0067, TLS,DHE,RSA,WITH,AES,128,CBC,SHA256),
CS_ENTRY(0x0067, DHE,RSA,AES128,SHA256,,,,),
CS_ENTRY(0x006B, TLS,DHE,RSA,WITH,AES,256,CBC,SHA256),
CS_ENTRY(0x006B, DHE,RSA,AES256,SHA256,,,,),
CS_ENTRY(0x008C, TLS,PSK,WITH,AES,128,CBC,SHA,),
CS_ENTRY(0x008C, PSK,AES128,CBC,SHA,,,,),
CS_ENTRY(0x008D, TLS,PSK,WITH,AES,256,CBC,SHA,),
CS_ENTRY(0x008D, PSK,AES256,CBC,SHA,,,,),
CS_ENTRY(0x0090, TLS,DHE,PSK,WITH,AES,128,CBC,SHA),
CS_ENTRY(0x0090, DHE,PSK,AES128,CBC,SHA,,,),
CS_ENTRY(0x0091, TLS,DHE,PSK,WITH,AES,256,CBC,SHA),
CS_ENTRY(0x0091, DHE,PSK,AES256,CBC,SHA,,,),
CS_ENTRY(0x0094, TLS,RSA,PSK,WITH,AES,128,CBC,SHA),
CS_ENTRY(0x0094, RSA,PSK,AES128,CBC,SHA,,,),
CS_ENTRY(0x0095, TLS,RSA,PSK,WITH,AES,256,CBC,SHA),
CS_ENTRY(0x0095, RSA,PSK,AES256,CBC,SHA,,,),
CS_ENTRY(0x009E, TLS,DHE,RSA,WITH,AES,128,GCM,SHA256),
CS_ENTRY(0x009E, DHE,RSA,AES128,GCM,SHA256,,,),
CS_ENTRY(0x009F, TLS,DHE,RSA,WITH,AES,256,GCM,SHA384),
CS_ENTRY(0x009F, DHE,RSA,AES256,GCM,SHA384,,,),
CS_ENTRY(0x00A8, TLS,PSK,WITH,AES,128,GCM,SHA256,),
CS_ENTRY(0x00A8, PSK,AES128,GCM,SHA256,,,,),
CS_ENTRY(0x00A9, TLS,PSK,WITH,AES,256,GCM,SHA384,),
CS_ENTRY(0x00A9, PSK,AES256,GCM,SHA384,,,,),
CS_ENTRY(0x00AA, TLS,DHE,PSK,WITH,AES,128,GCM,SHA256),
CS_ENTRY(0x00AA, DHE,PSK,AES128,GCM,SHA256,,,),
CS_ENTRY(0x00AB, TLS,DHE,PSK,WITH,AES,256,GCM,SHA384),
CS_ENTRY(0x00AB, DHE,PSK,AES256,GCM,SHA384,,,),
CS_ENTRY(0x00AC, TLS,RSA,PSK,WITH,AES,128,GCM,SHA256),
CS_ENTRY(0x00AC, RSA,PSK,AES128,GCM,SHA256,,,),
CS_ENTRY(0x00AD, TLS,RSA,PSK,WITH,AES,256,GCM,SHA384),
CS_ENTRY(0x00AD, RSA,PSK,AES256,GCM,SHA384,,,),
CS_ENTRY(0x00AE, TLS,PSK,WITH,AES,128,CBC,SHA256,),
CS_ENTRY(0x00AE, PSK,AES128,CBC,SHA256,,,,),
CS_ENTRY(0x00AF, TLS,PSK,WITH,AES,256,CBC,SHA384,),
CS_ENTRY(0x00AF, PSK,AES256,CBC,SHA384,,,,),
CS_ENTRY(0x00B0, TLS,PSK,WITH,NULL,SHA256,,,),
CS_ENTRY(0x00B0, PSK,NULL,SHA256,,,,,),
CS_ENTRY(0x00B1, TLS,PSK,WITH,NULL,SHA384,,,),
CS_ENTRY(0x00B1, PSK,NULL,SHA384,,,,,),
CS_ENTRY(0x00B2, TLS,DHE,PSK,WITH,AES,128,CBC,SHA256),
CS_ENTRY(0x00B2, DHE,PSK,AES128,CBC,SHA256,,,),
CS_ENTRY(0x00B3, TLS,DHE,PSK,WITH,AES,256,CBC,SHA384),
CS_ENTRY(0x00B3, DHE,PSK,AES256,CBC,SHA384,,,),
CS_ENTRY(0x00B4, TLS,DHE,PSK,WITH,NULL,SHA256,,),
CS_ENTRY(0x00B4, DHE,PSK,NULL,SHA256,,,,),
CS_ENTRY(0x00B5, TLS,DHE,PSK,WITH,NULL,SHA384,,),
CS_ENTRY(0x00B5, DHE,PSK,NULL,SHA384,,,,),
CS_ENTRY(0x00B6, TLS,RSA,PSK,WITH,AES,128,CBC,SHA256),
CS_ENTRY(0x00B6, RSA,PSK,AES128,CBC,SHA256,,,),
CS_ENTRY(0x00B7, TLS,RSA,PSK,WITH,AES,256,CBC,SHA384),
CS_ENTRY(0x00B7, RSA,PSK,AES256,CBC,SHA384,,,),
CS_ENTRY(0x00B8, TLS,RSA,PSK,WITH,NULL,SHA256,,),
CS_ENTRY(0x00B8, RSA,PSK,NULL,SHA256,,,,),
CS_ENTRY(0x00B9, TLS,RSA,PSK,WITH,NULL,SHA384,,),
CS_ENTRY(0x00B9, RSA,PSK,NULL,SHA384,,,,),
CS_ENTRY(0xC001, TLS,ECDH,ECDSA,WITH,NULL,SHA,,),
CS_ENTRY(0xC001, ECDH,ECDSA,NULL,SHA,,,,),
CS_ENTRY(0xC006, TLS,ECDHE,ECDSA,WITH,NULL,SHA,,),
CS_ENTRY(0xC006, ECDHE,ECDSA,NULL,SHA,,,,),
CS_ENTRY(0xC00B, TLS,ECDH,RSA,WITH,NULL,SHA,,),
CS_ENTRY(0xC00B, ECDH,RSA,NULL,SHA,,,,),
CS_ENTRY(0xC010, TLS,ECDHE,RSA,WITH,NULL,SHA,,),
CS_ENTRY(0xC010, ECDHE,RSA,NULL,SHA,,,,),
CS_ENTRY(0xC035, TLS,ECDHE,PSK,WITH,AES,128,CBC,SHA),
CS_ENTRY(0xC035, ECDHE,PSK,AES128,CBC,SHA,,,),
CS_ENTRY(0xC036, TLS,ECDHE,PSK,WITH,AES,256,CBC,SHA),
CS_ENTRY(0xC036, ECDHE,PSK,AES256,CBC,SHA,,,),
CS_ENTRY(0xCCAB, TLS,PSK,WITH,CHACHA20,POLY1305,SHA256,,),
CS_ENTRY(0xCCAB, PSK,CHACHA20,POLY1305,,,,,),
CS_ENTRY(0xC09C, TLS,RSA,WITH,AES,128,CCM,,),
CS_ENTRY(0xC09C, AES128,CCM,,,,,,),
CS_ENTRY(0xC09D, TLS,RSA,WITH,AES,256,CCM,,),
CS_ENTRY(0xC09D, AES256,CCM,,,,,,),
CS_ENTRY(0xC0A0, TLS,RSA,WITH,AES,128,CCM,8,),
CS_ENTRY(0xC0A0, AES128,CCM8,,,,,,),
CS_ENTRY(0xC0A1, TLS,RSA,WITH,AES,256,CCM,8,),
CS_ENTRY(0xC0A1, AES256,CCM8,,,,,,),
CS_ENTRY(0xC0AC, TLS,ECDHE,ECDSA,WITH,AES,128,CCM,),
CS_ENTRY(0xC0AC, ECDHE,ECDSA,AES128,CCM,,,,),
CS_ENTRY(0xC0AD, TLS,ECDHE,ECDSA,WITH,AES,256,CCM,),
CS_ENTRY(0xC0AD, ECDHE,ECDSA,AES256,CCM,,,,),
CS_ENTRY(0xC0AE, TLS,ECDHE,ECDSA,WITH,AES,128,CCM,8),
CS_ENTRY(0xC0AE, ECDHE,ECDSA,AES128,CCM8,,,,),
CS_ENTRY(0xC0AF, TLS,ECDHE,ECDSA,WITH,AES,256,CCM,8),
CS_ENTRY(0xC0AF, ECDHE,ECDSA,AES256,CCM8,,,,),
/* entries marked ns are "non-standard", they are not in OpenSSL */
CS_ENTRY(0x0041, TLS,RSA,WITH,CAMELLIA,128,CBC,SHA,),
CS_ENTRY(0x0041, CAMELLIA128,SHA,,,,,,),
CS_ENTRY(0x0045, TLS,DHE,RSA,WITH,CAMELLIA,128,CBC,SHA),
CS_ENTRY(0x0045, DHE,RSA,CAMELLIA128,SHA,,,,),
CS_ENTRY(0x0084, TLS,RSA,WITH,CAMELLIA,256,CBC,SHA,),
CS_ENTRY(0x0084, CAMELLIA256,SHA,,,,,,),
CS_ENTRY(0x0088, TLS,DHE,RSA,WITH,CAMELLIA,256,CBC,SHA),
CS_ENTRY(0x0088, DHE,RSA,CAMELLIA256,SHA,,,,),
CS_ENTRY(0x00BA, TLS,RSA,WITH,CAMELLIA,128,CBC,SHA256,),
CS_ENTRY(0x00BA, CAMELLIA128,SHA256,,,,,,),
CS_ENTRY(0x00BE, TLS,DHE,RSA,WITH,CAMELLIA,128,CBC,SHA256),
CS_ENTRY(0x00BE, DHE,RSA,CAMELLIA128,SHA256,,,,),
CS_ENTRY(0x00C0, TLS,RSA,WITH,CAMELLIA,256,CBC,SHA256,),
CS_ENTRY(0x00C0, CAMELLIA256,SHA256,,,,,,),
CS_ENTRY(0x00C4, TLS,DHE,RSA,WITH,CAMELLIA,256,CBC,SHA256),
CS_ENTRY(0x00C4, DHE,RSA,CAMELLIA256,SHA256,,,,),
CS_ENTRY(0xC037, TLS,ECDHE,PSK,WITH,AES,128,CBC,SHA256),
CS_ENTRY(0xC037, ECDHE,PSK,AES128,CBC,SHA256,,,),
CS_ENTRY(0xC038, TLS,ECDHE,PSK,WITH,AES,256,CBC,SHA384),
CS_ENTRY(0xC038, ECDHE,PSK,AES256,CBC,SHA384,,,),
CS_ENTRY(0xC039, TLS,ECDHE,PSK,WITH,NULL,SHA,,),
CS_ENTRY(0xC039, ECDHE,PSK,NULL,SHA,,,,),
CS_ENTRY(0xC03A, TLS,ECDHE,PSK,WITH,NULL,SHA256,,),
CS_ENTRY(0xC03A, ECDHE,PSK,NULL,SHA256,,,,),
CS_ENTRY(0xC03B, TLS,ECDHE,PSK,WITH,NULL,SHA384,,),
CS_ENTRY(0xC03B, ECDHE,PSK,NULL,SHA384,,,,),
CS_ENTRY(0xC03C, TLS,RSA,WITH,ARIA,128,CBC,SHA256,),
CS_ENTRY(0xC03C, ARIA128,SHA256,,,,,,), /* ns */
CS_ENTRY(0xC03D, TLS,RSA,WITH,ARIA,256,CBC,SHA384,),
CS_ENTRY(0xC03D, ARIA256,SHA384,,,,,,), /* ns */
CS_ENTRY(0xC044, TLS,DHE,RSA,WITH,ARIA,128,CBC,SHA256),
CS_ENTRY(0xC044, DHE,RSA,ARIA128,SHA256,,,,), /* ns */
CS_ENTRY(0xC045, TLS,DHE,RSA,WITH,ARIA,256,CBC,SHA384),
CS_ENTRY(0xC045, DHE,RSA,ARIA256,SHA384,,,,), /* ns */
CS_ENTRY(0xC048, TLS,ECDHE,ECDSA,WITH,ARIA,128,CBC,SHA256),
CS_ENTRY(0xC048, ECDHE,ECDSA,ARIA128,SHA256,,,,), /* ns */
CS_ENTRY(0xC049, TLS,ECDHE,ECDSA,WITH,ARIA,256,CBC,SHA384),
CS_ENTRY(0xC049, ECDHE,ECDSA,ARIA256,SHA384,,,,), /* ns */
CS_ENTRY(0xC04A, TLS,ECDH,ECDSA,WITH,ARIA,128,CBC,SHA256),
CS_ENTRY(0xC04A, ECDH,ECDSA,ARIA128,SHA256,,,,), /* ns */
CS_ENTRY(0xC04B, TLS,ECDH,ECDSA,WITH,ARIA,256,CBC,SHA384),
CS_ENTRY(0xC04B, ECDH,ECDSA,ARIA256,SHA384,,,,), /* ns */
CS_ENTRY(0xC04C, TLS,ECDHE,RSA,WITH,ARIA,128,CBC,SHA256),
CS_ENTRY(0xC04C, ECDHE,ARIA128,SHA256,,,,,), /* ns */
CS_ENTRY(0xC04D, TLS,ECDHE,RSA,WITH,ARIA,256,CBC,SHA384),
CS_ENTRY(0xC04D, ECDHE,ARIA256,SHA384,,,,,), /* ns */
CS_ENTRY(0xC04E, TLS,ECDH,RSA,WITH,ARIA,128,CBC,SHA256),
CS_ENTRY(0xC04E, ECDH,ARIA128,SHA256,,,,,), /* ns */
CS_ENTRY(0xC04F, TLS,ECDH,RSA,WITH,ARIA,256,CBC,SHA384),
CS_ENTRY(0xC04F, ECDH,ARIA256,SHA384,,,,,), /* ns */
CS_ENTRY(0xC050, TLS,RSA,WITH,ARIA,128,GCM,SHA256,),
CS_ENTRY(0xC050, ARIA128,GCM,SHA256,,,,,),
CS_ENTRY(0xC051, TLS,RSA,WITH,ARIA,256,GCM,SHA384,),
CS_ENTRY(0xC051, ARIA256,GCM,SHA384,,,,,),
CS_ENTRY(0xC052, TLS,DHE,RSA,WITH,ARIA,128,GCM,SHA256),
CS_ENTRY(0xC052, DHE,RSA,ARIA128,GCM,SHA256,,,),
CS_ENTRY(0xC053, TLS,DHE,RSA,WITH,ARIA,256,GCM,SHA384),
CS_ENTRY(0xC053, DHE,RSA,ARIA256,GCM,SHA384,,,),
CS_ENTRY(0xC05C, TLS,ECDHE,ECDSA,WITH,ARIA,128,GCM,SHA256),
CS_ENTRY(0xC05C, ECDHE,ECDSA,ARIA128,GCM,SHA256,,,),
CS_ENTRY(0xC05D, TLS,ECDHE,ECDSA,WITH,ARIA,256,GCM,SHA384),
CS_ENTRY(0xC05D, ECDHE,ECDSA,ARIA256,GCM,SHA384,,,),
CS_ENTRY(0xC05E, TLS,ECDH,ECDSA,WITH,ARIA,128,GCM,SHA256),
CS_ENTRY(0xC05E, ECDH,ECDSA,ARIA128,GCM,SHA256,,,), /* ns */
CS_ENTRY(0xC05F, TLS,ECDH,ECDSA,WITH,ARIA,256,GCM,SHA384),
CS_ENTRY(0xC05F, ECDH,ECDSA,ARIA256,GCM,SHA384,,,), /* ns */
CS_ENTRY(0xC060, TLS,ECDHE,RSA,WITH,ARIA,128,GCM,SHA256),
CS_ENTRY(0xC060, ECDHE,ARIA128,GCM,SHA256,,,,),
CS_ENTRY(0xC061, TLS,ECDHE,RSA,WITH,ARIA,256,GCM,SHA384),
CS_ENTRY(0xC061, ECDHE,ARIA256,GCM,SHA384,,,,),
CS_ENTRY(0xC062, TLS,ECDH,RSA,WITH,ARIA,128,GCM,SHA256),
CS_ENTRY(0xC062, ECDH,ARIA128,GCM,SHA256,,,,), /* ns */
CS_ENTRY(0xC063, TLS,ECDH,RSA,WITH,ARIA,256,GCM,SHA384),
CS_ENTRY(0xC063, ECDH,ARIA256,GCM,SHA384,,,,), /* ns */
CS_ENTRY(0xC064, TLS,PSK,WITH,ARIA,128,CBC,SHA256,),
CS_ENTRY(0xC064, PSK,ARIA128,SHA256,,,,,), /* ns */
CS_ENTRY(0xC065, TLS,PSK,WITH,ARIA,256,CBC,SHA384,),
CS_ENTRY(0xC065, PSK,ARIA256,SHA384,,,,,), /* ns */
CS_ENTRY(0xC066, TLS,DHE,PSK,WITH,ARIA,128,CBC,SHA256),
CS_ENTRY(0xC066, DHE,PSK,ARIA128,SHA256,,,,), /* ns */
CS_ENTRY(0xC067, TLS,DHE,PSK,WITH,ARIA,256,CBC,SHA384),
CS_ENTRY(0xC067, DHE,PSK,ARIA256,SHA384,,,,), /* ns */
CS_ENTRY(0xC068, TLS,RSA,PSK,WITH,ARIA,128,CBC,SHA256),
CS_ENTRY(0xC068, RSA,PSK,ARIA128,SHA256,,,,), /* ns */
CS_ENTRY(0xC069, TLS,RSA,PSK,WITH,ARIA,256,CBC,SHA384),
CS_ENTRY(0xC069, RSA,PSK,ARIA256,SHA384,,,,), /* ns */
CS_ENTRY(0xC06A, TLS,PSK,WITH,ARIA,128,GCM,SHA256,),
CS_ENTRY(0xC06A, PSK,ARIA128,GCM,SHA256,,,,),
CS_ENTRY(0xC06B, TLS,PSK,WITH,ARIA,256,GCM,SHA384,),
CS_ENTRY(0xC06B, PSK,ARIA256,GCM,SHA384,,,,),
CS_ENTRY(0xC06C, TLS,DHE,PSK,WITH,ARIA,128,GCM,SHA256),
CS_ENTRY(0xC06C, DHE,PSK,ARIA128,GCM,SHA256,,,),
CS_ENTRY(0xC06D, TLS,DHE,PSK,WITH,ARIA,256,GCM,SHA384),
CS_ENTRY(0xC06D, DHE,PSK,ARIA256,GCM,SHA384,,,),
CS_ENTRY(0xC06E, TLS,RSA,PSK,WITH,ARIA,128,GCM,SHA256),
CS_ENTRY(0xC06E, RSA,PSK,ARIA128,GCM,SHA256,,,),
CS_ENTRY(0xC06F, TLS,RSA,PSK,WITH,ARIA,256,GCM,SHA384),
CS_ENTRY(0xC06F, RSA,PSK,ARIA256,GCM,SHA384,,,),
CS_ENTRY(0xC070, TLS,ECDHE,PSK,WITH,ARIA,128,CBC,SHA256),
CS_ENTRY(0xC070, ECDHE,PSK,ARIA128,SHA256,,,,), /* ns */
CS_ENTRY(0xC071, TLS,ECDHE,PSK,WITH,ARIA,256,CBC,SHA384),
CS_ENTRY(0xC071, ECDHE,PSK,ARIA256,SHA384,,,,), /* ns */
CS_ENTRY(0xC072, TLS,ECDHE,ECDSA,WITH,CAMELLIA,128,CBC,SHA256),
CS_ENTRY(0xC072, ECDHE,ECDSA,CAMELLIA128,SHA256,,,,),
CS_ENTRY(0xC073, TLS,ECDHE,ECDSA,WITH,CAMELLIA,256,CBC,SHA384),
CS_ENTRY(0xC073, ECDHE,ECDSA,CAMELLIA256,SHA384,,,,),
CS_ENTRY(0xC074, TLS,ECDH,ECDSA,WITH,CAMELLIA,128,CBC,SHA256),
CS_ENTRY(0xC074, ECDH,ECDSA,CAMELLIA128,SHA256,,,,), /* ns */
CS_ENTRY(0xC075, TLS,ECDH,ECDSA,WITH,CAMELLIA,256,CBC,SHA384),
CS_ENTRY(0xC075, ECDH,ECDSA,CAMELLIA256,SHA384,,,,), /* ns */
CS_ENTRY(0xC076, TLS,ECDHE,RSA,WITH,CAMELLIA,128,CBC,SHA256),
CS_ENTRY(0xC076, ECDHE,RSA,CAMELLIA128,SHA256,,,,),
CS_ENTRY(0xC077, TLS,ECDHE,RSA,WITH,CAMELLIA,256,CBC,SHA384),
CS_ENTRY(0xC077, ECDHE,RSA,CAMELLIA256,SHA384,,,,),
CS_ENTRY(0xC078, TLS,ECDH,RSA,WITH,CAMELLIA,128,CBC,SHA256),
CS_ENTRY(0xC078, ECDH,CAMELLIA128,SHA256,,,,,), /* ns */
CS_ENTRY(0xC079, TLS,ECDH,RSA,WITH,CAMELLIA,256,CBC,SHA384),
CS_ENTRY(0xC079, ECDH,CAMELLIA256,SHA384,,,,,), /* ns */
CS_ENTRY(0xC07A, TLS,RSA,WITH,CAMELLIA,128,GCM,SHA256,),
CS_ENTRY(0xC07A, CAMELLIA128,GCM,SHA256,,,,,), /* ns */
CS_ENTRY(0xC07B, TLS,RSA,WITH,CAMELLIA,256,GCM,SHA384,),
CS_ENTRY(0xC07B, CAMELLIA256,GCM,SHA384,,,,,), /* ns */
CS_ENTRY(0xC07C, TLS,DHE,RSA,WITH,CAMELLIA,128,GCM,SHA256),
CS_ENTRY(0xC07C, DHE,RSA,CAMELLIA128,GCM,SHA256,,,), /* ns */
CS_ENTRY(0xC07D, TLS,DHE,RSA,WITH,CAMELLIA,256,GCM,SHA384),
CS_ENTRY(0xC07D, DHE,RSA,CAMELLIA256,GCM,SHA384,,,), /* ns */
CS_ENTRY(0xC086, TLS,ECDHE,ECDSA,WITH,CAMELLIA,128,GCM,SHA256),
CS_ENTRY(0xC086, ECDHE,ECDSA,CAMELLIA128,GCM,SHA256,,,), /* ns */
CS_ENTRY(0xC087, TLS,ECDHE,ECDSA,WITH,CAMELLIA,256,GCM,SHA384),
CS_ENTRY(0xC087, ECDHE,ECDSA,CAMELLIA256,GCM,SHA384,,,), /* ns */
CS_ENTRY(0xC088, TLS,ECDH,ECDSA,WITH,CAMELLIA,128,GCM,SHA256),
CS_ENTRY(0xC088, ECDH,ECDSA,CAMELLIA128,GCM,SHA256,,,), /* ns */
CS_ENTRY(0xC089, TLS,ECDH,ECDSA,WITH,CAMELLIA,256,GCM,SHA384),
CS_ENTRY(0xC089, ECDH,ECDSA,CAMELLIA256,GCM,SHA384,,,), /* ns */
CS_ENTRY(0xC08A, TLS,ECDHE,RSA,WITH,CAMELLIA,128,GCM,SHA256),
CS_ENTRY(0xC08A, ECDHE,CAMELLIA128,GCM,SHA256,,,,), /* ns */
CS_ENTRY(0xC08B, TLS,ECDHE,RSA,WITH,CAMELLIA,256,GCM,SHA384),
CS_ENTRY(0xC08B, ECDHE,CAMELLIA256,GCM,SHA384,,,,), /* ns */
CS_ENTRY(0xC08C, TLS,ECDH,RSA,WITH,CAMELLIA,128,GCM,SHA256),
CS_ENTRY(0xC08C, ECDH,CAMELLIA128,GCM,SHA256,,,,), /* ns */
CS_ENTRY(0xC08D, TLS,ECDH,RSA,WITH,CAMELLIA,256,GCM,SHA384),
CS_ENTRY(0xC08D, ECDH,CAMELLIA256,GCM,SHA384,,,,), /* ns */
CS_ENTRY(0xC08E, TLS,PSK,WITH,CAMELLIA,128,GCM,SHA256,),
CS_ENTRY(0xC08E, PSK,CAMELLIA128,GCM,SHA256,,,,), /* ns */
CS_ENTRY(0xC08F, TLS,PSK,WITH,CAMELLIA,256,GCM,SHA384,),
CS_ENTRY(0xC08F, PSK,CAMELLIA256,GCM,SHA384,,,,), /* ns */
CS_ENTRY(0xC090, TLS,DHE,PSK,WITH,CAMELLIA,128,GCM,SHA256),
CS_ENTRY(0xC090, DHE,PSK,CAMELLIA128,GCM,SHA256,,,), /* ns */
CS_ENTRY(0xC091, TLS,DHE,PSK,WITH,CAMELLIA,256,GCM,SHA384),
CS_ENTRY(0xC091, DHE,PSK,CAMELLIA256,GCM,SHA384,,,), /* ns */
CS_ENTRY(0xC092, TLS,RSA,PSK,WITH,CAMELLIA,128,GCM,SHA256),
CS_ENTRY(0xC092, RSA,PSK,CAMELLIA128,GCM,SHA256,,,), /* ns */
CS_ENTRY(0xC093, TLS,RSA,PSK,WITH,CAMELLIA,256,GCM,SHA384),
CS_ENTRY(0xC093, RSA,PSK,CAMELLIA256,GCM,SHA384,,,), /* ns */
CS_ENTRY(0xC094, TLS,PSK,WITH,CAMELLIA,128,CBC,SHA256,),
CS_ENTRY(0xC094, PSK,CAMELLIA128,SHA256,,,,,),
CS_ENTRY(0xC095, TLS,PSK,WITH,CAMELLIA,256,CBC,SHA384,),
CS_ENTRY(0xC095, PSK,CAMELLIA256,SHA384,,,,,),
CS_ENTRY(0xC096, TLS,DHE,PSK,WITH,CAMELLIA,128,CBC,SHA256),
CS_ENTRY(0xC096, DHE,PSK,CAMELLIA128,SHA256,,,,),
CS_ENTRY(0xC097, TLS,DHE,PSK,WITH,CAMELLIA,256,CBC,SHA384),
CS_ENTRY(0xC097, DHE,PSK,CAMELLIA256,SHA384,,,,),
CS_ENTRY(0xC098, TLS,RSA,PSK,WITH,CAMELLIA,128,CBC,SHA256),
CS_ENTRY(0xC098, RSA,PSK,CAMELLIA128,SHA256,,,,),
CS_ENTRY(0xC099, TLS,RSA,PSK,WITH,CAMELLIA,256,CBC,SHA384),
CS_ENTRY(0xC099, RSA,PSK,CAMELLIA256,SHA384,,,,),
CS_ENTRY(0xC09A, TLS,ECDHE,PSK,WITH,CAMELLIA,128,CBC,SHA256),
CS_ENTRY(0xC09A, ECDHE,PSK,CAMELLIA128,SHA256,,,,),
CS_ENTRY(0xC09B, TLS,ECDHE,PSK,WITH,CAMELLIA,256,CBC,SHA384),
CS_ENTRY(0xC09B, ECDHE,PSK,CAMELLIA256,SHA384,,,,),
CS_ENTRY(0xC09E, TLS,DHE,RSA,WITH,AES,128,CCM,),
CS_ENTRY(0xC09E, DHE,RSA,AES128,CCM,,,,),
CS_ENTRY(0xC09F, TLS,DHE,RSA,WITH,AES,256,CCM,),
CS_ENTRY(0xC09F, DHE,RSA,AES256,CCM,,,,),
CS_ENTRY(0xC0A2, TLS,DHE,RSA,WITH,AES,128,CCM,8),
CS_ENTRY(0xC0A2, DHE,RSA,AES128,CCM8,,,,),
CS_ENTRY(0xC0A3, TLS,DHE,RSA,WITH,AES,256,CCM,8),
CS_ENTRY(0xC0A3, DHE,RSA,AES256,CCM8,,,,),
CS_ENTRY(0xC0A4, TLS,PSK,WITH,AES,128,CCM,,),
CS_ENTRY(0xC0A4, PSK,AES128,CCM,,,,,),
CS_ENTRY(0xC0A5, TLS,PSK,WITH,AES,256,CCM,,),
CS_ENTRY(0xC0A5, PSK,AES256,CCM,,,,,),
CS_ENTRY(0xC0A6, TLS,DHE,PSK,WITH,AES,128,CCM,),
CS_ENTRY(0xC0A6, DHE,PSK,AES128,CCM,,,,),
CS_ENTRY(0xC0A7, TLS,DHE,PSK,WITH,AES,256,CCM,),
CS_ENTRY(0xC0A7, DHE,PSK,AES256,CCM,,,,),
CS_ENTRY(0xC0A8, TLS,PSK,WITH,AES,128,CCM,8,),
CS_ENTRY(0xC0A8, PSK,AES128,CCM8,,,,,),
CS_ENTRY(0xC0A9, TLS,PSK,WITH,AES,256,CCM,8,),
CS_ENTRY(0xC0A9, PSK,AES256,CCM8,,,,,),
CS_ENTRY(0xC0AA, TLS,PSK,DHE,WITH,AES,128,CCM,8),
CS_ENTRY(0xC0AA, DHE,PSK,AES128,CCM8,,,,),
CS_ENTRY(0xC0AB, TLS,PSK,DHE,WITH,AES,256,CCM,8),
CS_ENTRY(0xC0AB, DHE,PSK,AES256,CCM8,,,,),
CS_ENTRY(0xCCAA, TLS,DHE,RSA,WITH,CHACHA20,POLY1305,SHA256,),
CS_ENTRY(0xCCAA, DHE,RSA,CHACHA20,POLY1305,,,,),
CS_ENTRY(0xCCAC, TLS,ECDHE,PSK,WITH,CHACHA20,POLY1305,SHA256,),
CS_ENTRY(0xCCAC, ECDHE,PSK,CHACHA20,POLY1305,,,,),
CS_ENTRY(0xCCAD, TLS,DHE,PSK,WITH,CHACHA20,POLY1305,SHA256,),
CS_ENTRY(0xCCAD, DHE,PSK,CHACHA20,POLY1305,,,,),
CS_ENTRY(0xCCAE, TLS,RSA,PSK,WITH,CHACHA20,POLY1305,SHA256,),
CS_ENTRY(0xCCAE, RSA,PSK,CHACHA20,POLY1305,,,,),
#endif
};
#define CS_LIST_LEN CURL_ARRAYSIZE(cs_list)
static int cs_str_to_zip(const char *cs_str, size_t cs_len, uint8_t zip[6])
{
uint8_t indexes[8] = { 0 };
const char *entry, *cur;
const char *nxt = cs_str;
const char *end = cs_str + cs_len;
char separator = '-';
int idx, i = 0;
size_t len;
/* split the cipher string by '-' or '_' */
if(curl_strnequal(cs_str, "TLS", 3))
separator = '_';
do {
if(i == 8)
return -1;
/* determine the length of the part */
cur = nxt;
for(; nxt < end && *nxt != '\0' && *nxt != separator; nxt++)
;
len = nxt - cur;
/* lookup index for the part (skip empty string at 0) */
for(idx = 1, entry = cs_txt + 1; idx < CS_TXT_LEN; idx++) {
size_t elen = strlen(entry);
if(elen == len && curl_strnequal(entry, cur, len))
break;
entry += elen + 1;
}
if(idx == CS_TXT_LEN)
return -1;
indexes[i++] = (uint8_t)idx;
} while(nxt < end && *(nxt++) != '\0');
/* zip the 8 indexes into 48 bits */
zip[0] = (uint8_t)(indexes[0] << 2 | (indexes[1] & 0x3F) >> 4);
zip[1] = (uint8_t)(indexes[1] << 4 | (indexes[2] & 0x3F) >> 2);
zip[2] = (uint8_t)(indexes[2] << 6 | (indexes[3] & 0x3F));
zip[3] = (uint8_t)(indexes[4] << 2 | (indexes[5] & 0x3F) >> 4);
zip[4] = (uint8_t)(indexes[5] << 4 | (indexes[6] & 0x3F) >> 2);
zip[5] = (uint8_t)(indexes[6] << 6 | (indexes[7] & 0x3F));
return 0;
}
static int cs_zip_to_str(const uint8_t zip[6], char *buf, size_t buf_size)
{
uint8_t indexes[8] = { 0 };
const char *entry;
char separator = '-';
int idx, i, r;
size_t len = 0;
/* unzip the 8 indexes */
indexes[0] = zip[0] >> 2;
indexes[1] = (uint8_t)(((zip[0] << 4) & 0x3F) | zip[1] >> 4);
indexes[2] = (uint8_t)(((zip[1] << 2) & 0x3F) | zip[2] >> 6);
indexes[3] = ((zip[2] << 0) & 0x3F);
indexes[4] = zip[3] >> 2;
indexes[5] = (uint8_t)(((zip[3] << 4) & 0x3F) | zip[4] >> 4);
indexes[6] = (uint8_t)(((zip[4] << 2) & 0x3F) | zip[5] >> 6);
indexes[7] = ((zip[5] << 0) & 0x3F);
if(indexes[0] == CS_TXT_IDX_TLS)
separator = '_';
for(i = 0; i < 8 && indexes[i] != 0 && len < buf_size; i++) {
if(indexes[i] >= CS_TXT_LEN)
return -1;
/* lookup the part string for the index (skip empty string at 0) */
for(idx = 1, entry = cs_txt + 1; idx < indexes[i]; idx++) {
size_t elen = strlen(entry);
entry += elen + 1;
}
/* append the part string to the buffer */
if(i > 0)
r = curl_msnprintf(&buf[len], buf_size - len, "%c%s", separator, entry);
else
r = curl_msnprintf(&buf[len], buf_size - len, "%s", entry);
if(r < 0)
return -1;
len += r;
}
return 0;
}
uint16_t Curl_cipher_suite_lookup_id(const char *cs_str, size_t cs_len)
{
size_t i;
uint8_t zip[6];
if(cs_len > 0 && cs_str_to_zip(cs_str, cs_len, zip) == 0) {
for(i = 0; i < CS_LIST_LEN; i++) {
if(memcmp(cs_list[i].zip, zip, sizeof(zip)) == 0)
return cs_list[i].id;
}
}
return 0;
}
static bool cs_is_separator(char c)
{
switch(c) {
case ' ':
case '\t':
case ':':
case ',':
case ';':
return TRUE;
}
return FALSE;
}
uint16_t Curl_cipher_suite_walk_str(const char **str, const char **end)
{
/* move string pointer to first non-separator or end of string */
for(; cs_is_separator(*str[0]); (*str)++)
;
/* move end pointer to next separator or end of string */
for(*end = *str; *end[0] != '\0' && !cs_is_separator(*end[0]); (*end)++)
;
return Curl_cipher_suite_lookup_id(*str, *end - *str);
}
int Curl_cipher_suite_get_str(uint16_t id, char *buf, size_t buf_size,
bool prefer_rfc)
{
size_t i, j = CS_LIST_LEN;
int r = -1;
for(i = 0; i < CS_LIST_LEN; i++) {
if(cs_list[i].id != id)
continue;
if((cs_list[i].zip[0] >> 2 != CS_TXT_IDX_TLS) == !prefer_rfc) {
j = i;
break;
}
if(j == CS_LIST_LEN)
j = i;
}
if(j < CS_LIST_LEN)
r = cs_zip_to_str(cs_list[j].zip, buf, buf_size);
if(r < 0)
curl_msnprintf(buf, buf_size, "TLS_UNKNOWN_0x%04x", id);
return r;
}
#endif /* defined(USE_MBEDTLS) || defined(USE_RUSTLS) */