68 lines
2.1 KiB
C
68 lines
2.1 KiB
C
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/* ext_kyber.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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#ifndef EXT_KYBER_H
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#define EXT_KYBER_H
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#ifdef WOLFSSL_HAVE_KYBER
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#include <wolfssl/wolfcrypt/kyber.h>
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#if !defined(HAVE_LIBOQS) && !defined(HAVE_PQM4)
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#error "This code requires liboqs or pqm4"
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#endif
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#if defined(WOLFSSL_WC_KYBER)
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#error "This code is incompatible with wolfCrypt's implementation of Kyber."
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#endif
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#if defined (HAVE_LIBOQS)
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#include <oqs/kem.h>
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#define EXT_KYBER_MAX_PRIV_SZ OQS_KEM_kyber_1024_length_secret_key
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#define EXT_KYBER_MAX_PUB_SZ OQS_KEM_kyber_1024_length_public_key
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#elif defined(HAVE_PQM4)
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#include "api_kyber.h"
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#define PQM4_PUBLIC_KEY_LENGTH CRYPTO_PUBLICKEYBYTES
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#define PQM4_PRIVATE_KEY_LENGTH CRYPTO_SECRETKEYBYTES
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#define PQM4_SHARED_SECRET_LENGTH CRYPTO_BYTES
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#define PQM4_CIPHERTEXT_LENGTH CRYPTO_CIPHERTEXTBYTES
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#define EXT_KYBER_MAX_PRIV_SZ PQM4_PRIVATE_KEY_LENGTH
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#define EXT_KYBER_MAX_PUB_SZ PQM4_PUBLIC_KEY_LENGTH
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#endif
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struct KyberKey {
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/* Type of key: KYBER_LEVEL1
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* KYBER_LEVEL3
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* KYBER_LEVEL5
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*
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* Note we don't save the variant (SHAKE vs AES) as that is decided at
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* configuration time. */
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int type;
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byte priv[EXT_KYBER_MAX_PRIV_SZ];
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byte pub[EXT_KYBER_MAX_PUB_SZ];
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};
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#if defined (HAVE_LIBOQS)
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WOLFSSL_LOCAL int ext_kyber_enabled(int id);
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#endif
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#endif /* WOLFSSL_HAVE_KYBER */
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#endif /* EXT_KYBER_H */
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