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- /* falcon.h
- *
- * Copyright (C) 2006-2022 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/falcon.h
- */
- /* Interfaces for Falcon NIST Level 1 (Falcon512) and Falcon NIST Level 5
- * (Falcon1024). */
- #ifndef WOLF_CRYPT_FALCON_H
- #define WOLF_CRYPT_FALCON_H
- #include <wolfssl/wolfcrypt/types.h>
- #if defined(HAVE_PQC) && defined(HAVE_FALCON)
- #ifdef HAVE_LIBOQS
- #include <oqs/oqs.h>
- #endif
- #ifdef __cplusplus
- extern "C" {
- #endif
- /* Macros Definitions */
- #ifdef HAVE_LIBOQS
- #define FALCON_LEVEL1_KEY_SIZE OQS_SIG_falcon_512_length_secret_key
- #define FALCON_LEVEL1_SIG_SIZE OQS_SIG_falcon_512_length_signature
- #define FALCON_LEVEL1_PUB_KEY_SIZE OQS_SIG_falcon_512_length_public_key
- #define FALCON_LEVEL1_PRV_KEY_SIZE (FALCON_LEVEL1_PUB_KEY_SIZE+FALCON_LEVEL1_KEY_SIZE)
- #define FALCON_LEVEL5_KEY_SIZE OQS_SIG_falcon_1024_length_secret_key
- #define FALCON_LEVEL5_SIG_SIZE OQS_SIG_falcon_1024_length_signature
- #define FALCON_LEVEL5_PUB_KEY_SIZE OQS_SIG_falcon_1024_length_public_key
- #define FALCON_LEVEL5_PRV_KEY_SIZE (FALCON_LEVEL5_PUB_KEY_SIZE+FALCON_LEVEL5_KEY_SIZE)
- #endif
- #define FALCON_MAX_KEY_SIZE FALCON_LEVEL5_PRV_KEY_SIZE
- #define FALCON_MAX_SIG_SIZE FALCON_LEVEL5_SIG_SIZE
- #define FALCON_MAX_PUB_KEY_SIZE FALCON_LEVEL5_PUB_KEY_SIZE
- #define FALCON_MAX_PRV_KEY_SIZE FALCON_LEVEL5_PRV_KEY_SIZE
- /* Structs */
- struct falcon_key {
- bool pubKeySet;
- bool prvKeySet;
- byte level;
- byte p[FALCON_MAX_PUB_KEY_SIZE];
- byte k[FALCON_MAX_PRV_KEY_SIZE];
- };
- #ifndef WC_FALCONKEY_TYPE_DEFINED
- typedef struct falcon_key falcon_key;
- #define WC_FALCONKEY_TYPE_DEFINED
- #endif
- /* Functions */
- WOLFSSL_API
- int wc_falcon_sign_msg(const byte* in, word32 inLen, byte* out, word32 *outLen,
- falcon_key* key);
- WOLFSSL_API
- int wc_falcon_verify_msg(const byte* sig, word32 sigLen, const byte* msg,
- word32 msgLen, int* res, falcon_key* key);
- WOLFSSL_API
- int wc_falcon_init(falcon_key* key);
- WOLFSSL_API
- int wc_falcon_set_level(falcon_key* key, byte level);
- WOLFSSL_API
- int wc_falcon_get_level(falcon_key* key, byte* level);
- WOLFSSL_API
- void wc_falcon_free(falcon_key* key);
- WOLFSSL_API
- int wc_falcon_import_public(const byte* in, word32 inLen, falcon_key* key);
- WOLFSSL_API
- int wc_falcon_import_private_only(const byte* priv, word32 privSz,
- falcon_key* key);
- WOLFSSL_API
- int wc_falcon_import_private_key(const byte* priv, word32 privSz,
- const byte* pub, word32 pubSz,
- falcon_key* key);
- WOLFSSL_API
- int wc_falcon_export_public(falcon_key*, byte* out, word32* outLen);
- WOLFSSL_API
- int wc_falcon_export_private_only(falcon_key* key, byte* out, word32* outLen);
- WOLFSSL_API
- int wc_falcon_export_private(falcon_key* key, byte* out, word32* outLen);
- WOLFSSL_API
- int wc_falcon_export_key(falcon_key* key, byte* priv, word32 *privSz,
- byte* pub, word32 *pubSz);
- WOLFSSL_API
- int wc_falcon_check_key(falcon_key* key);
- WOLFSSL_API
- int wc_falcon_size(falcon_key* key);
- WOLFSSL_API
- int wc_falcon_priv_size(falcon_key* key);
- WOLFSSL_API
- int wc_falcon_pub_size(falcon_key* key);
- WOLFSSL_API
- int wc_falcon_sig_size(falcon_key* key);
- #ifdef __cplusplus
- } /* extern "C" */
- #endif
- #endif /* HAVE_PQC && HAVE_FALCON */
- #endif /* WOLF_CRYPT_FALCON_H */
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