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/* ext_mlkem.h
*
* Copyright (C) 2006-2026 wolfSSL Inc.
*
* This file is part of wolfSSL.
*
* wolfSSL is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* wolfSSL is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
*/
#ifndef EXT_KYBER_H
#define EXT_KYBER_H
#ifdef WOLF_CRYPTO_CB
#include <wolfssl/wolfcrypt/cryptocb.h>
#endif
#ifdef WOLFSSL_HAVE_MLKEM
#include <wolfssl/wolfcrypt/mlkem.h>
#if !defined(HAVE_LIBOQS)
#error "This code requires liboqs"
#endif
#if defined(WOLFSSL_WC_MLKEM)
#error "This code is incompatible with wolfCrypt's implementation of Kyber."
#endif
#if defined (HAVE_LIBOQS)
#include <oqs/kem.h>
#ifndef WOLFSSL_NO_ML_KEM
#define EXT_KYBER_MAX_PRIV_SZ OQS_KEM_ml_kem_1024_length_secret_key
#define EXT_KYBER_MAX_PUB_SZ OQS_KEM_ml_kem_1024_length_public_key
#elif defined(WOLFSSL_MLKEM_KYBER)
#define EXT_KYBER_MAX_PRIV_SZ OQS_KEM_kyber_1024_length_secret_key
#define EXT_KYBER_MAX_PUB_SZ OQS_KEM_kyber_1024_length_public_key
#endif
#endif
struct KyberKey {
/* Type of key: KYBER_LEVEL1
* KYBER_LEVEL3
* KYBER_LEVEL5
*
* Note we don't save the variant (SHAKE vs AES) as that is decided at
* configuration time. */
int type;
#ifdef WOLF_CRYPTO_CB
void* devCtx;
int devId;
#endif
byte priv[EXT_KYBER_MAX_PRIV_SZ];
byte pub[EXT_KYBER_MAX_PUB_SZ];
};
#if defined (HAVE_LIBOQS)
WOLFSSL_LOCAL int ext_mlkem_enabled(int id);
#endif
#endif /* WOLFSSL_HAVE_MLKEM */
#endif /* EXT_KYBER_H */