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Native ML-KEM768 implementation

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for cryptographic backends that do not have support for ML-KEM (old
OpenSSL and Gcrypt; MbedTLS).

Based on the libcrux implementation used in OpenSSH, taken from this
revision:

https://github.com/openssh/openssh-portable/blob/6aba700/libcrux_mlkem768_sha3.h

But refactored to separate C and header file to support testing and
removed unused functions (to make compiler happy).

Signed-off-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
Reviewed-by: Pavol Žáčik <pzacik@redhat.com>
This commit is contained in:
Jakub Jelen
2025-12-19 12:00:41 +01:00
parent 9780fa2f01
commit 34db488e4d
27 changed files with 9569 additions and 91 deletions
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43
tests/external_override/mlkem768_override.h Normal file
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/*
* This file is part of the SSH Library
*
* Copyright (c) 2021 - 2025 Red Hat, Inc.
*
* Authors: Anderson Toshiyuki Sasaki
* Jakub Jelen <jjelen@redhat.com>
*
* The SSH Library is free software: you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation, either
* version 2.1 of the License, or (at your option) any later version.
*
* The SSH Library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with the SSH Library; see the file COPYING. If not,
* see <https://www.gnu.org/licenses/>.
*/
#include "libssh/mlkem_native.h"
libcrux_ml_kem_mlkem768_MlKem768KeyPair
__wrap_libcrux_ml_kem_mlkem768_portable_generate_key_pair(
uint8_t randomness[64U]);
bool __wrap_libcrux_ml_kem_mlkem768_portable_validate_public_key(
libcrux_ml_kem_types_MlKemPublicKey_30 *public_key);
tuple_c2 __wrap_libcrux_ml_kem_mlkem768_portable_encapsulate(
libcrux_ml_kem_types_MlKemPublicKey_30 *public_key,
uint8_t randomness[32U]);
void __wrap_libcrux_ml_kem_mlkem768_portable_decapsulate(
libcrux_ml_kem_types_MlKemPrivateKey_d9 *private_key,
libcrux_ml_kem_mlkem768_MlKem768Ciphertext *ciphertext,
uint8_t ret[32U]);
bool internal_mlkem768_function_called(void);
void reset_mlkem768_function_called(void);