145 lines
4.7 KiB
C
145 lines
4.7 KiB
C
/* falcon.h
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*
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* Copyright (C) 2006-2023 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/falcon.h
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*/
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/* Interfaces for Falcon NIST Level 1 (Falcon512) and Falcon NIST Level 5
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* (Falcon1024). */
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#ifndef WOLF_CRYPT_FALCON_H
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#define WOLF_CRYPT_FALCON_H
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#include <wolfssl/wolfcrypt/types.h>
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#if defined(HAVE_PQC) && defined(HAVE_FALCON)
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#ifdef HAVE_LIBOQS
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#include <oqs/oqs.h>
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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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/* Macros Definitions */
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#ifdef HAVE_LIBOQS
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#define FALCON_LEVEL1_KEY_SIZE OQS_SIG_falcon_512_length_secret_key
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#define FALCON_LEVEL1_SIG_SIZE OQS_SIG_falcon_512_length_signature
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#define FALCON_LEVEL1_PUB_KEY_SIZE OQS_SIG_falcon_512_length_public_key
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#define FALCON_LEVEL1_PRV_KEY_SIZE (FALCON_LEVEL1_PUB_KEY_SIZE+FALCON_LEVEL1_KEY_SIZE)
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#define FALCON_LEVEL5_KEY_SIZE OQS_SIG_falcon_1024_length_secret_key
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#define FALCON_LEVEL5_SIG_SIZE OQS_SIG_falcon_1024_length_signature
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#define FALCON_LEVEL5_PUB_KEY_SIZE OQS_SIG_falcon_1024_length_public_key
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#define FALCON_LEVEL5_PRV_KEY_SIZE (FALCON_LEVEL5_PUB_KEY_SIZE+FALCON_LEVEL5_KEY_SIZE)
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#endif
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#define FALCON_MAX_KEY_SIZE FALCON_LEVEL5_PRV_KEY_SIZE
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#define FALCON_MAX_SIG_SIZE FALCON_LEVEL5_SIG_SIZE
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#define FALCON_MAX_PUB_KEY_SIZE FALCON_LEVEL5_PUB_KEY_SIZE
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#define FALCON_MAX_PRV_KEY_SIZE FALCON_LEVEL5_PRV_KEY_SIZE
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/* Structs */
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struct falcon_key {
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bool pubKeySet;
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bool prvKeySet;
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byte level;
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byte p[FALCON_MAX_PUB_KEY_SIZE];
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byte k[FALCON_MAX_PRV_KEY_SIZE];
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};
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#ifndef WC_FALCONKEY_TYPE_DEFINED
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typedef struct falcon_key falcon_key;
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#define WC_FALCONKEY_TYPE_DEFINED
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#endif
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/* Functions */
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WOLFSSL_API
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int wc_falcon_sign_msg(const byte* in, word32 inLen, byte* out, word32 *outLen,
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falcon_key* key);
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WOLFSSL_API
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int wc_falcon_verify_msg(const byte* sig, word32 sigLen, const byte* msg,
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word32 msgLen, int* res, falcon_key* key);
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WOLFSSL_API
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int wc_falcon_init(falcon_key* key);
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WOLFSSL_API
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int wc_falcon_set_level(falcon_key* key, byte level);
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WOLFSSL_API
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int wc_falcon_get_level(falcon_key* key, byte* level);
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WOLFSSL_API
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void wc_falcon_free(falcon_key* key);
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WOLFSSL_API
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int wc_falcon_import_public(const byte* in, word32 inLen, falcon_key* key);
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WOLFSSL_API
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int wc_falcon_import_private_only(const byte* priv, word32 privSz,
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falcon_key* key);
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WOLFSSL_API
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int wc_falcon_import_private_key(const byte* priv, word32 privSz,
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const byte* pub, word32 pubSz,
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falcon_key* key);
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WOLFSSL_API
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int wc_falcon_export_public(falcon_key*, byte* out, word32* outLen);
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WOLFSSL_API
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int wc_falcon_export_private_only(falcon_key* key, byte* out, word32* outLen);
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WOLFSSL_API
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int wc_falcon_export_private(falcon_key* key, byte* out, word32* outLen);
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WOLFSSL_API
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int wc_falcon_export_key(falcon_key* key, byte* priv, word32 *privSz,
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byte* pub, word32 *pubSz);
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WOLFSSL_API
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int wc_falcon_check_key(falcon_key* key);
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WOLFSSL_API
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int wc_falcon_size(falcon_key* key);
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WOLFSSL_API
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int wc_falcon_priv_size(falcon_key* key);
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WOLFSSL_API
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int wc_falcon_pub_size(falcon_key* key);
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WOLFSSL_API
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int wc_falcon_sig_size(falcon_key* key);
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WOLFSSL_API int wc_Falcon_PrivateKeyDecode(const byte* input, word32* inOutIdx,
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falcon_key* key, word32 inSz);
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WOLFSSL_API int wc_Falcon_PublicKeyDecode(const byte* input, word32* inOutIdx,
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falcon_key* key, word32 inSz);
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WOLFSSL_API int wc_Falcon_KeyToDer(falcon_key* key, byte* output,
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word32 inLen);
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WOLFSSL_API int wc_Falcon_PrivateKeyToDer(falcon_key* key, byte* output,
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word32 inLen);
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WOLFSSL_API int wc_Falcon_PublicKeyToDer(falcon_key* key, byte* output,
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word32 inLen, int withAlg);
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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#endif /* HAVE_PQC && HAVE_FALCON */
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#endif /* WOLF_CRYPT_FALCON_H */
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