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