86 lines
2.4 KiB
C
86 lines
2.4 KiB
C
/* pbkdf2.h
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PKCS #5 password-based key derivation function PBKDF2, see RFC 2898.
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Copyright (C) 2012 Simon Josefsson
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This file is part of GNU Nettle.
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GNU Nettle is free software: you can redistribute it and/or
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modify it under the terms of either:
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* the GNU Lesser General Public License as published by the Free
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Software Foundation; either version 3 of the License, or (at your
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option) any later version.
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or
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* the GNU General Public License as published by the Free
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Software Foundation; either version 2 of the License, or (at your
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option) any later version.
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or both in parallel, as here.
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GNU Nettle 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 GNU
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General Public License for more details.
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You should have received copies of the GNU General Public License and
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the GNU Lesser General Public License along with this program. If
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not, see http://www.gnu.org/licenses/.
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*/
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#ifndef NETTLE_PBKDF2_H_INCLUDED
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#define NETTLE_PBKDF2_H_INCLUDED
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#include "nettle-meta.h"
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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/* Namespace mangling */
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#define pbkdf2 nettle_pbkdf2
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#define pbkdf2_hmac_sha1 nettle_pbkdf2_hmac_sha1
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#define pbkdf2_hmac_sha256 nettle_pbkdf2_hmac_sha256
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void
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pbkdf2 (void *mac_ctx,
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nettle_hash_update_func *update,
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nettle_hash_digest_func *digest,
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size_t digest_size, unsigned iterations,
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size_t salt_length, const uint8_t *salt,
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size_t length, uint8_t *dst);
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#define PBKDF2(ctx, update, digest, digest_size, \
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iterations, salt_length, salt, length, dst) \
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(0 ? ((update)((ctx), 0, (uint8_t *) 0), \
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(digest)((ctx), 0, (uint8_t *) 0)) \
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: pbkdf2 ((ctx), \
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(nettle_hash_update_func *)(update), \
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(nettle_hash_digest_func *)(digest), \
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(digest_size), (iterations), \
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(salt_length), (salt), (length), (dst)))
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/* PBKDF2 with specific PRFs. */
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void
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pbkdf2_hmac_sha1 (size_t key_length, const uint8_t *key,
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unsigned iterations,
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size_t salt_length, const uint8_t *salt,
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size_t length, uint8_t *dst);
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void
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pbkdf2_hmac_sha256 (size_t key_length, const uint8_t *key,
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unsigned iterations,
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size_t salt_length, const uint8_t *salt,
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size_t length, uint8_t *dst);
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#ifdef __cplusplus
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}
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#endif
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#endif /* NETTLE_PBKDF2_H_INCLUDED */
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