/*

 * Copyright 2017-2025 The OpenSSL Project Authors. All Rights Reserved.

 *

 * Licensed under the Apache License 2.0 (the "License").  You may not use

 * this file except in compliance with the License.  You can obtain a copy

 * in the file LICENSE in the source distribution or at

 * https://www.openssl.org/source/license.html

 */

#ifndef OSSL_INTERNAL_TLSGROUPS_H

#define OSSL_INTERNAL_TLSGROUPS_H

#pragma once

#define OSSL_TLS_GROUP_ID_sect163k1 0x0001

#define OSSL_TLS_GROUP_ID_sect163r1 0x0002

#define OSSL_TLS_GROUP_ID_sect163r2 0x0003

#define OSSL_TLS_GROUP_ID_sect193r1 0x0004

#define OSSL_TLS_GROUP_ID_sect193r2 0x0005

#define OSSL_TLS_GROUP_ID_sect233k1 0x0006

#define OSSL_TLS_GROUP_ID_sect233r1 0x0007

#define OSSL_TLS_GROUP_ID_sect239k1 0x0008

#define OSSL_TLS_GROUP_ID_sect283k1 0x0009

#define OSSL_TLS_GROUP_ID_sect283r1 0x000A

#define OSSL_TLS_GROUP_ID_sect409k1 0x000B

#define OSSL_TLS_GROUP_ID_sect409r1 0x000C

#define OSSL_TLS_GROUP_ID_sect571k1 0x000D

#define OSSL_TLS_GROUP_ID_sect571r1 0x000E

#define OSSL_TLS_GROUP_ID_secp160k1 0x000F

#define OSSL_TLS_GROUP_ID_secp160r1 0x0010

#define OSSL_TLS_GROUP_ID_secp160r2 0x0011

#define OSSL_TLS_GROUP_ID_secp192k1 0x0012

#define OSSL_TLS_GROUP_ID_secp192r1 0x0013

#define OSSL_TLS_GROUP_ID_secp224k1 0x0014

#define OSSL_TLS_GROUP_ID_secp224r1 0x0015

#define OSSL_TLS_GROUP_ID_secp256k1 0x0016

#define OSSL_TLS_GROUP_ID_secp256r1 0x0017

#define OSSL_TLS_GROUP_ID_secp384r1 0x0018

#define OSSL_TLS_GROUP_ID_secp521r1 0x0019

#define OSSL_TLS_GROUP_ID_brainpoolP256r1 0x001A

#define OSSL_TLS_GROUP_ID_brainpoolP384r1 0x001B

#define OSSL_TLS_GROUP_ID_brainpoolP512r1 0x001C

#define OSSL_TLS_GROUP_ID_x25519 0x001D

#define OSSL_TLS_GROUP_ID_x448 0x001E

#define OSSL_TLS_GROUP_ID_brainpoolP256r1_tls13 0x001F

#define OSSL_TLS_GROUP_ID_brainpoolP384r1_tls13 0x0020

#define OSSL_TLS_GROUP_ID_brainpoolP512r1_tls13 0x0021

#define OSSL_TLS_GROUP_ID_gc256A 0x0022

#define OSSL_TLS_GROUP_ID_gc256B 0x0023

#define OSSL_TLS_GROUP_ID_gc256C 0x0024

#define OSSL_TLS_GROUP_ID_gc256D 0x0025

#define OSSL_TLS_GROUP_ID_gc512A 0x0026

#define OSSL_TLS_GROUP_ID_gc512B 0x0027

#define OSSL_TLS_GROUP_ID_gc512C 0x0028

#define OSSL_TLS_GROUP_ID_curveSM2 0x0029

#define OSSL_TLS_GROUP_ID_ffdhe2048 0x0100

#define OSSL_TLS_GROUP_ID_ffdhe3072 0x0101

#define OSSL_TLS_GROUP_ID_ffdhe4096 0x0102

#define OSSL_TLS_GROUP_ID_ffdhe6144 0x0103

#define OSSL_TLS_GROUP_ID_ffdhe8192 0x0104

#define OSSL_TLS_GROUP_ID_mlkem512 0x0200

#define OSSL_TLS_GROUP_ID_mlkem768 0x0201

#define OSSL_TLS_GROUP_ID_mlkem1024 0x0202

#define OSSL_TLS_GROUP_ID_SecP256r1MLKEM768 0x11EB

#define OSSL_TLS_GROUP_ID_X25519MLKEM768 0x11EC

#define OSSL_TLS_GROUP_ID_SecP384r1MLKEM1024 0x11ED

#define OSSL_TLS_GROUP_ID_curveSM2MLKEM768 0x11EE

/*

 * RFC 7919: "Codepoints ... between 256 and 511, inclusive ... are set aside

 * for FFDHE groups"

 */

#define OSSL_TLS_GROUP_ID_FFDHE_START 0x0100 /* inclusive */

#define OSSL_TLS_GROUP_ID_FFDHE_END 0x01FF /* inclusive */

static ossl_inline int is_ecdhe_group(const uint16_t group_id)

{

    /* This includes the usual EC groups, and also ECX, GOST ... */

    return group_id < OSSL_TLS_GROUP_ID_FFDHE_START;

}

static ossl_inline int is_ffdhe_group(const uint16_t group_id)

{

    return group_id >= OSSL_TLS_GROUP_ID_FFDHE_START

        && group_id <= OSSL_TLS_GROUP_ID_FFDHE_END;

}

#endif