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376 lines
12 KiB
C
376 lines
12 KiB
C
/* wc_mlkem.h
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*
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* Copyright (C) 2006-2025 wolfSSL Inc.
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*
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* This file is part of wolfSSL.
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*
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* wolfSSL is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* wolfSSL is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
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*/
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/*!
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\file wolfssl/wolfcrypt/wc_mlkem.h
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*/
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#ifndef WOLF_CRYPT_WC_MLKEM_H
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#define WOLF_CRYPT_WC_MLKEM_H
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#include <wolfssl/wolfcrypt/types.h>
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#include <wolfssl/wolfcrypt/random.h>
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#include <wolfssl/wolfcrypt/sha3.h>
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#include <wolfssl/wolfcrypt/mlkem.h>
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#ifdef WOLFSSL_HAVE_MLKEM
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#ifdef WOLFSSL_KYBER_NO_MAKE_KEY
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#define WOLFSSL_MLKEM_NO_MAKE_KEY
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#endif
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#ifdef WOLFSSL_KYBER_NO_ENCAPSULATE
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#define WOLFSSL_MLKEM_NO_ENCAPSULATE
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#endif
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#ifdef WOLFSSL_KYBER_NO_DECAPSULATE
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#define WOLFSSL_MLKEM_NO_DECAPSULATE
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#endif
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#ifdef noinline
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#define MLKEM_NOINLINE noinline
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#elif defined(_MSC_VER)
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#define MLKEM_NOINLINE __declspec(noinline)
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#elif defined(__GNUC__)
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#define MLKEM_NOINLINE __attribute__((noinline))
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#else
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#define MLKEM_NOINLINE
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#endif
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enum {
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/* Flags of Kyber keys. */
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MLKEM_FLAG_PRIV_SET = 0x0001,
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MLKEM_FLAG_PUB_SET = 0x0002,
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MLKEM_FLAG_BOTH_SET = 0x0003,
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MLKEM_FLAG_H_SET = 0x0004,
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MLKEM_FLAG_A_SET = 0x0008,
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/* 2 bits of random used to create noise value. */
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MLKEM_CBD_ETA2 = 2,
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/* 3 bits of random used to create noise value. */
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MLKEM_CBD_ETA3 = 3,
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/* Number of bits to compress to. */
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MLKEM_COMP_4BITS = 4,
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MLKEM_COMP_5BITS = 5,
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MLKEM_COMP_10BITS = 10,
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MLKEM_COMP_11BITS = 11,
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};
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/* SHAKE128 rate. */
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#define XOF_BLOCK_SIZE 168
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/* Modulus of co-efficients of polynomial. */
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#define MLKEM_Q 3329
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/* Kyber-512 parameters */
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#ifdef WOLFSSL_WC_ML_KEM_512
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/* Number of bits of random to create noise from. */
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#define WC_ML_KEM_512_ETA1 MLKEM_CBD_ETA3
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#endif /* WOLFSSL_WC_ML_KEM_512 */
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/* Kyber-768 parameters */
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#ifdef WOLFSSL_WC_ML_KEM_768
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/* Number of bits of random to create noise from. */
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#define WC_ML_KEM_768_ETA1 MLKEM_CBD_ETA2
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#endif /* WOLFSSL_WC_ML_KEM_768 */
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/* Kyber-1024 parameters */
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#ifdef WOLFSSL_WC_ML_KEM_1024
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/* Number of bits of random to create noise from. */
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#define WC_ML_KEM_1024_ETA1 MLKEM_CBD_ETA2
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#endif /* WOLFSSL_KYBER1024 */
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/* The data type of the hash function. */
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#define MLKEM_HASH_T wc_Sha3
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/* The data type of the pseudo-random function. */
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#define MLKEM_PRF_T wc_Shake
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/* ML-KEM key. */
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struct MlKemKey {
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/* Type of key: WC_ML_KEM_512, WC_ML_KEM_768, WC_ML_KEM_1024 */
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int type;
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/* Dynamic memory allocation hint. */
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void* heap;
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#if defined(WOLF_CRYPTO_CB)
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/* Device Id. */
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int devId;
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#endif
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/* Flags indicating what is stored in the key. */
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int flags;
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/* A pseudo-random function object. */
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MLKEM_HASH_T hash;
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/* A pseudo-random function object. */
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MLKEM_PRF_T prf;
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/* Private key as a vector. */
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sword16 priv[WC_ML_KEM_MAX_K * MLKEM_N];
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/* Public key as a vector. */
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sword16 pub[WC_ML_KEM_MAX_K * MLKEM_N];
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/* Public seed. */
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byte pubSeed[WC_ML_KEM_SYM_SZ];
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/* Public hash - hash of encoded public key. */
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byte h[WC_ML_KEM_SYM_SZ];
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/* Randomizer for decapsulation. */
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byte z[WC_ML_KEM_SYM_SZ];
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#ifdef WOLFSSL_MLKEM_CACHE_A
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/* A matrix from key generation. */
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sword16 a[WC_ML_KEM_MAX_K * WC_ML_KEM_MAX_K * MLKEM_N];
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#endif
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};
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#ifdef __cplusplus
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extern "C" {
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#endif
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WOLFSSL_LOCAL
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void mlkem_init(void);
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#ifndef WOLFSSL_MLKEM_MAKEKEY_SMALL_MEM
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WOLFSSL_LOCAL
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void mlkem_keygen(sword16* priv, sword16* pub, sword16* e, const sword16* a,
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int kp);
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#else
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WOLFSSL_LOCAL
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int mlkem_keygen_seeds(sword16* priv, sword16* pub, MLKEM_PRF_T* prf,
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sword16* e, int kp, byte* seed, byte* noiseSeed);
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#endif
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#ifndef WOLFSSL_MLKEM_ENCAPSULATE_SMALL_MEM
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WOLFSSL_LOCAL
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void mlkem_encapsulate(const sword16* pub, sword16* bp, sword16* v,
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const sword16* at, sword16* sp, const sword16* ep, const sword16* epp,
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const sword16* m, int kp);
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#else
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WOLFSSL_LOCAL
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int mlkem_encapsulate_seeds(const sword16* pub, MLKEM_PRF_T* prf, sword16* bp,
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sword16* tp, sword16* sp, int kp, const byte* msg, byte* seed,
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byte* coins);
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#endif
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WOLFSSL_LOCAL
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void mlkem_decapsulate(const sword16* priv, sword16* mp, sword16* bp,
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const sword16* v, int kp);
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WOLFSSL_LOCAL
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int mlkem_gen_matrix(MLKEM_PRF_T* prf, sword16* a, int kp, byte* seed,
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int transposed);
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WOLFSSL_LOCAL
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int mlkem_get_noise(MLKEM_PRF_T* prf, int kp, sword16* vec1, sword16* vec2,
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sword16* poly, byte* seed);
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#if defined(USE_INTEL_SPEEDUP) || \
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(defined(WOLFSSL_ARMASM) && defined(__aarch64__))
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WOLFSSL_LOCAL
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int mlkem_kdf(byte* seed, int seedLen, byte* out, int outLen);
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#endif
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WOLFSSL_LOCAL
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void mlkem_hash_init(MLKEM_HASH_T* hash);
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WOLFSSL_LOCAL
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int mlkem_hash_new(MLKEM_HASH_T* hash, void* heap, int devId);
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WOLFSSL_LOCAL
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void mlkem_hash_free(MLKEM_HASH_T* hash);
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WOLFSSL_LOCAL
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int mlkem_hash256(wc_Sha3* hash, const byte* data, word32 dataLen, byte* out);
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WOLFSSL_LOCAL
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int mlkem_hash512(wc_Sha3* hash, const byte* data1, word32 data1Len,
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const byte* data2, word32 data2Len, byte* out);
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WOLFSSL_LOCAL
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int mlkem_derive_secret(MLKEM_PRF_T* prf, const byte* z, const byte* ct,
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word32 ctSz, byte* ss);
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WOLFSSL_LOCAL
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void mlkem_prf_init(MLKEM_PRF_T* prf);
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WOLFSSL_LOCAL
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int mlkem_prf_new(MLKEM_PRF_T* prf, void* heap, int devId);
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WOLFSSL_LOCAL
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void mlkem_prf_free(MLKEM_PRF_T* prf);
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WOLFSSL_LOCAL
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int mlkem_cmp(const byte* a, const byte* b, int sz);
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WOLFSSL_LOCAL
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void mlkem_vec_compress_10(byte* r, sword16* v, unsigned int kp);
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WOLFSSL_LOCAL
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void mlkem_vec_compress_11(byte* r, sword16* v);
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WOLFSSL_LOCAL
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void mlkem_vec_decompress_10(sword16* v, const unsigned char* b,
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unsigned int kp);
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WOLFSSL_LOCAL
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void mlkem_vec_decompress_11(sword16* v, const unsigned char* b);
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WOLFSSL_LOCAL
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void mlkem_compress_4(byte* b, sword16* p);
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WOLFSSL_LOCAL
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void mlkem_compress_5(byte* b, sword16* p);
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WOLFSSL_LOCAL
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void mlkem_decompress_4(sword16* p, const unsigned char* b);
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WOLFSSL_LOCAL
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void mlkem_decompress_5(sword16* p, const unsigned char* b);
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WOLFSSL_LOCAL
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void mlkem_from_msg(sword16* p, const byte* msg);
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WOLFSSL_LOCAL
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void mlkem_to_msg(byte* msg, sword16* p);
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WOLFSSL_LOCAL
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void mlkem_from_bytes(sword16* p, const byte* b, int k);
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WOLFSSL_LOCAL
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void mlkem_to_bytes(byte* b, sword16* p, int k);
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#ifdef USE_INTEL_SPEEDUP
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WOLFSSL_LOCAL
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void mlkem_keygen_avx2(sword16* priv, sword16* pub, sword16* e,
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const sword16* a, int kp);
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WOLFSSL_LOCAL
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void mlkem_encapsulate_avx2(const sword16* pub, sword16* bp, sword16* v,
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const sword16* at, sword16* sp, const sword16* ep, const sword16* epp,
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const sword16* m, int kp);
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WOLFSSL_LOCAL
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void mlkem_decapsulate_avx2(const sword16* priv, sword16* mp, sword16* bp,
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const sword16* v, int kp);
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WOLFSSL_LOCAL
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unsigned int mlkem_rej_uniform_n_avx2(sword16* p, unsigned int len,
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const byte* r, unsigned int rLen);
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WOLFSSL_LOCAL
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unsigned int mlkem_rej_uniform_avx2(sword16* p, unsigned int len, const byte* r,
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unsigned int rLen);
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WOLFSSL_LOCAL
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void mlkem_redistribute_21_rand_avx2(const word64* s, byte* r0, byte* r1,
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byte* r2, byte* r3);
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void mlkem_redistribute_17_rand_avx2(const word64* s, byte* r0, byte* r1,
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byte* r2, byte* r3);
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void mlkem_redistribute_16_rand_avx2(const word64* s, byte* r0, byte* r1,
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byte* r2, byte* r3);
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void mlkem_redistribute_8_rand_avx2(const word64* s, byte* r0, byte* r1,
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byte* r2, byte* r3);
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WOLFSSL_LOCAL
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void mlkem_sha3_128_blocksx4_seed_avx2(word64* s, byte* seed);
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WOLFSSL_LOCAL
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void mlkem_sha3_256_blocksx4_seed_avx2(word64* s, byte* seed);
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WOLFSSL_LOCAL
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void mlkem_cbd_eta2_avx2(sword16* p, const byte* r);
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WOLFSSL_LOCAL
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void mlkem_cbd_eta3_avx2(sword16* p, const byte* r);
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WOLFSSL_LOCAL
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void mlkem_from_msg_avx2(sword16* p, const byte* msg);
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WOLFSSL_LOCAL
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void mlkem_to_msg_avx2(byte* msg, sword16* p);
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WOLFSSL_LOCAL
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void mlkem_from_bytes_avx2(sword16* p, const byte* b);
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WOLFSSL_LOCAL
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void mlkem_to_bytes_avx2(byte* b, sword16* p);
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WOLFSSL_LOCAL
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void mlkem_compress_10_avx2(byte* r, const sword16* p, int n);
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WOLFSSL_LOCAL
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void mlkem_decompress_10_avx2(sword16* p, const byte* r, int n);
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WOLFSSL_LOCAL
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void mlkem_compress_11_avx2(byte* r, const sword16* p, int n);
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WOLFSSL_LOCAL
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void mlkem_decompress_11_avx2(sword16* p, const byte* r, int n);
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WOLFSSL_LOCAL
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void mlkem_compress_4_avx2(byte* r, const sword16* p);
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WOLFSSL_LOCAL
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void mlkem_decompress_4_avx2(sword16* p, const byte* r);
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WOLFSSL_LOCAL
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void mlkem_compress_5_avx2(byte* r, const sword16* p);
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WOLFSSL_LOCAL
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void mlkem_decompress_5_avx2(sword16* p, const byte* r);
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WOLFSSL_LOCAL
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int mlkem_cmp_avx2(const byte* a, const byte* b, int sz);
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#elif defined(__aarch64__) && defined(WOLFSSL_ARMASM)
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WOLFSSL_LOCAL void mlkem_ntt(sword16* r);
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WOLFSSL_LOCAL void mlkem_invntt(sword16* r);
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WOLFSSL_LOCAL void mlkem_ntt_sqrdmlsh(sword16* r);
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WOLFSSL_LOCAL void mlkem_invntt_sqrdmlsh(sword16* r);
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WOLFSSL_LOCAL void mlkem_basemul_mont(sword16* r, const sword16* a,
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const sword16* b);
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WOLFSSL_LOCAL void mlkem_basemul_mont_add(sword16* r, const sword16* a,
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const sword16* b);
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WOLFSSL_LOCAL void mlkem_add_reduce(sword16* r, const sword16* a);
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WOLFSSL_LOCAL void mlkem_add3_reduce(sword16* r, const sword16* a,
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const sword16* b);
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WOLFSSL_LOCAL void mlkem_rsub_reduce(sword16* r, const sword16* a);
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WOLFSSL_LOCAL void mlkem_to_mont(sword16* p);
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WOLFSSL_LOCAL void mlkem_to_mont_sqrdmlsh(sword16* p);
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WOLFSSL_LOCAL void mlkem_sha3_blocksx3_neon(word64* state);
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WOLFSSL_LOCAL void mlkem_shake128_blocksx3_seed_neon(word64* state, byte* seed);
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WOLFSSL_LOCAL void mlkem_shake256_blocksx3_seed_neon(word64* state, byte* seed);
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WOLFSSL_LOCAL unsigned int mlkem_rej_uniform_neon(sword16* p, unsigned int len,
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const byte* r, unsigned int rLen);
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WOLFSSL_LOCAL int mlkem_cmp_neon(const byte* a, const byte* b, int sz);
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WOLFSSL_LOCAL void mlkem_csubq_neon(sword16* p);
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WOLFSSL_LOCAL void mlkem_from_msg_neon(sword16* p, const byte* msg);
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WOLFSSL_LOCAL void mlkem_to_msg_neon(byte* msg, sword16* p);
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#elif defined(WOLFSSL_ARMASM_THUMB2) && defined(WOLFSSL_ARMASM)
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#define mlkem_ntt mlkem_thumb2_ntt
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#define mlkem_invntt mlkem_thumb2_invntt
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#define mlkem_basemul_mont mlkem_thumb2_basemul_mont
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#define mlkem_basemul_mont_add mlkem_thumb2_basemul_mont_add
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#define mlkem_rej_uniform_c mlkem_thumb2_rej_uniform
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WOLFSSL_LOCAL void mlkem_thumb2_ntt(sword16* r);
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WOLFSSL_LOCAL void mlkem_thumb2_invntt(sword16* r);
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WOLFSSL_LOCAL void mlkem_thumb2_basemul_mont(sword16* r, const sword16* a,
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const sword16* b);
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WOLFSSL_LOCAL void mlkem_thumb2_basemul_mont_add(sword16* r, const sword16* a,
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const sword16* b);
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WOLFSSL_LOCAL void mlkem_thumb2_csubq(sword16* p);
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WOLFSSL_LOCAL unsigned int mlkem_thumb2_rej_uniform(sword16* p,
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unsigned int len, const byte* r, unsigned int rLen);
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#elif defined(WOLFSSL_ARMASM)
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#define mlkem_ntt mlkem_arm32_ntt
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#define mlkem_invntt mlkem_arm32_invntt
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#define mlkem_basemul_mont mlkem_arm32_basemul_mont
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#define mlkem_basemul_mont_add mlkem_arm32_basemul_mont_add
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#define mlkem_rej_uniform_c mlkem_arm32_rej_uniform
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WOLFSSL_LOCAL void mlkem_arm32_ntt(sword16* r);
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WOLFSSL_LOCAL void mlkem_arm32_invntt(sword16* r);
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WOLFSSL_LOCAL void mlkem_arm32_basemul_mont(sword16* r, const sword16* a,
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const sword16* b);
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WOLFSSL_LOCAL void mlkem_arm32_basemul_mont_add(sword16* r, const sword16* a,
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const sword16* b);
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WOLFSSL_LOCAL void mlkem_arm32_csubq(sword16* p);
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WOLFSSL_LOCAL unsigned int mlkem_arm32_rej_uniform(sword16* p, unsigned int len,
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const byte* r, unsigned int rLen);
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#endif
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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#endif /* WOLFSSL_HAVE_MLKEM */
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#endif /* WOLF_CRYPT_WC_MLKEM_H */
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