wolfssl-w32/wolfssl/wolfcrypt/sphincs.h

167 lines
6 KiB
C

/* sphincs.h
*
* Copyright (C) 2006-2023 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 2 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
*/
/*!
\file wolfssl/wolfcrypt/sphincs.h
*/
/* Interfaces for Sphincs:
* - SPHINCS_FAST_LEVEL1 (AKA SPHINCS+-SHAKE-128f-simple)
* - SPHINCS_FAST_LEVEL3 (AKA SPHINCS+-SHAKE-192f-simple)
* - SPHINCS_FAST_LEVEL5 (AKA SPHINCS+-SHAKE-256f-simple)
* - SPHINCS_SMALL_LEVEL1 (AKA SPHINCS+-SHAKE-128s-simple)
* - SPHINCS_SMALL_LEVEL3 (AKA SPHINCS+-SHAKE-192s-simple)
* - SPHINCS_SMALL_LEVEL5 (AKA SPHINCS+-SHAKE-256s-simple)
*/
#ifndef WOLF_CRYPT_SPHINCS_H
#define WOLF_CRYPT_SPHINCS_H
#include <wolfssl/wolfcrypt/types.h>
#if defined(HAVE_PQC) && defined(HAVE_SPHINCS)
#ifdef HAVE_LIBOQS
#include <oqs/oqs.h>
#endif
#ifdef __cplusplus
extern "C" {
#endif
/* Macros Definitions */
#ifdef HAVE_LIBOQS
#define SPHINCS_FAST_LEVEL1_SIG_SIZE OQS_SIG_sphincs_shake_128f_simple_length_signature
#define SPHINCS_FAST_LEVEL3_SIG_SIZE OQS_SIG_sphincs_shake_192f_simple_length_signature
#define SPHINCS_FAST_LEVEL5_SIG_SIZE OQS_SIG_sphincs_shake_256f_simple_length_signature
#define SPHINCS_SMALL_LEVEL1_SIG_SIZE OQS_SIG_sphincs_shake_128s_simple_length_signature
#define SPHINCS_SMALL_LEVEL3_SIG_SIZE OQS_SIG_sphincs_shake_192s_simple_length_signature
#define SPHINCS_SMALL_LEVEL5_SIG_SIZE OQS_SIG_sphincs_shake_256s_simple_length_signature
#define SPHINCS_LEVEL1_KEY_SIZE OQS_SIG_sphincs_shake_128f_simple_length_secret_key
#define SPHINCS_LEVEL1_PUB_KEY_SIZE OQS_SIG_sphincs_shake_128f_simple_length_public_key
#define SPHINCS_LEVEL1_PRV_KEY_SIZE (SPHINCS_LEVEL1_PUB_KEY_SIZE+SPHINCS_LEVEL1_KEY_SIZE)
#define SPHINCS_LEVEL3_KEY_SIZE OQS_SIG_sphincs_shake_192f_simple_length_secret_key
#define SPHINCS_LEVEL3_PUB_KEY_SIZE OQS_SIG_sphincs_shake_192f_simple_length_public_key
#define SPHINCS_LEVEL3_PRV_KEY_SIZE (SPHINCS_LEVEL3_PUB_KEY_SIZE+SPHINCS_LEVEL3_KEY_SIZE)
#define SPHINCS_LEVEL5_KEY_SIZE OQS_SIG_sphincs_shake_256f_simple_length_secret_key
#define SPHINCS_LEVEL5_PUB_KEY_SIZE OQS_SIG_sphincs_shake_256f_simple_length_public_key
#define SPHINCS_LEVEL5_PRV_KEY_SIZE (SPHINCS_LEVEL5_PUB_KEY_SIZE+SPHINCS_LEVEL5_KEY_SIZE)
#endif
#define SPHINCS_MAX_SIG_SIZE SPHINCS_FAST_LEVEL5_SIG_SIZE
#define SPHINCS_MAX_KEY_SIZE SPHINCS_LEVEL5_PRV_KEY_SIZE
#define SPHINCS_MAX_PUB_KEY_SIZE SPHINCS_LEVEL5_PUB_KEY_SIZE
#define SPHINCS_MAX_PRV_KEY_SIZE SPHINCS_LEVEL5_PRV_KEY_SIZE
#define FAST_VARIANT 1
#define SMALL_VARIANT 2
/* Structs */
struct sphincs_key {
bool pubKeySet;
bool prvKeySet;
byte level; /* 1,3 or 5 */
byte optim; /* FAST_VARIANT or SMALL_VARIANT */
byte p[SPHINCS_MAX_PUB_KEY_SIZE];
byte k[SPHINCS_MAX_PRV_KEY_SIZE];
};
#ifndef WC_SPHINCSKEY_TYPE_DEFINED
typedef struct sphincs_key sphincs_key;
#define WC_SPHINCSKEY_TYPE_DEFINED
#endif
/* Functions */
WOLFSSL_API
int wc_sphincs_sign_msg(const byte* in, word32 inLen, byte* out, word32 *outLen,
sphincs_key* key);
WOLFSSL_API
int wc_sphincs_verify_msg(const byte* sig, word32 sigLen, const byte* msg,
word32 msgLen, int* res, sphincs_key* key);
WOLFSSL_API
int wc_sphincs_init(sphincs_key* key);
WOLFSSL_API
int wc_sphincs_set_level_and_optim(sphincs_key* key, byte level, byte optim);
WOLFSSL_API
int wc_sphincs_get_level_and_optim(sphincs_key* key, byte* level, byte *optim);
WOLFSSL_API
void wc_sphincs_free(sphincs_key* key);
WOLFSSL_API
int wc_sphincs_import_public(const byte* in, word32 inLen, sphincs_key* key);
WOLFSSL_API
int wc_sphincs_import_private_only(const byte* priv, word32 privSz,
sphincs_key* key);
WOLFSSL_API
int wc_sphincs_import_private_key(const byte* priv, word32 privSz,
const byte* pub, word32 pubSz,
sphincs_key* key);
WOLFSSL_API
int wc_sphincs_export_public(sphincs_key*, byte* out, word32* outLen);
WOLFSSL_API
int wc_sphincs_export_private_only(sphincs_key* key, byte* out, word32* outLen);
WOLFSSL_API
int wc_sphincs_export_private(sphincs_key* key, byte* out, word32* outLen);
WOLFSSL_API
int wc_sphincs_export_key(sphincs_key* key, byte* priv, word32 *privSz,
byte* pub, word32 *pubSz);
WOLFSSL_API
int wc_sphincs_check_key(sphincs_key* key);
WOLFSSL_API
int wc_sphincs_size(sphincs_key* key);
WOLFSSL_API
int wc_sphincs_priv_size(sphincs_key* key);
WOLFSSL_API
int wc_sphincs_pub_size(sphincs_key* key);
WOLFSSL_API
int wc_sphincs_sig_size(sphincs_key* key);
WOLFSSL_API int wc_Sphincs_PrivateKeyDecode(const byte* input,
word32* inOutIdx,
sphincs_key* key, word32 inSz);
WOLFSSL_API int wc_Sphincs_PublicKeyDecode(const byte* input,
word32* inOutIdx,
sphincs_key* key, word32 inSz);
WOLFSSL_API int wc_Sphincs_KeyToDer(sphincs_key* key, byte* output,
word32 inLen);
WOLFSSL_API int wc_Sphincs_PrivateKeyToDer(sphincs_key* key, byte* output,
word32 inLen);
WOLFSSL_API int wc_Sphincs_PublicKeyToDer(sphincs_key* key, byte* output,
word32 inLen, int withAlg);
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif /* HAVE_PQC && HAVE_SPHINCS */
#endif /* WOLF_CRYPT_SPHINCS_H */