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https://github.com/cryb-to/cryb-to.git
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96 lines
3 KiB
C
96 lines
3 KiB
C
/*-
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* Copyright (c) 2005-2013 Colin Percival
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef CRYB_SHA224_H_INCLUDED
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#define CRYB_SHA224_H_INCLUDED
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#ifndef CRYB_TO
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#include <cryb/to.h>
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#endif
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#include <cryb/digest.h>
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CRYB_BEGIN
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#define SHA224_BLOCK_LEN 64
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#define SHA224_DIGEST_LEN 28
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/*
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* Use #defines in order to avoid namespace collisions with anyone else's
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* SHA224 code (e.g., the code in OpenSSL).
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*/
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#define sha224_digest cryb_sha224_digest
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#define sha224_ctx cryb_sha224_ctx
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#define sha224_init cryb_sha224_init
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#define sha224_update cryb_sha224_update
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#define sha224_final cryb_sha224_final
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#define sha224_complete cryb_sha224_complete
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extern digest_algorithm sha224_digest;
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/* Context structure for SHA224 operations. */
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typedef struct {
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uint32_t state[8];
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uint64_t count;
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uint8_t buf[64];
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} sha224_ctx;
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/**
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* sha224_init(ctx):
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* Initialize the SHA224 context ${ctx}.
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*/
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void sha224_init(sha224_ctx *);
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/**
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* sha224_update(ctx, in, len):
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* Input ${len} bytes from ${in} into the SHA224 context ${ctx}.
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*/
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void sha224_update(sha224_ctx *, const void *, size_t);
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/**
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* sha224_final(ctx, digest):
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* Output the SHA224 hash of the data input to the context ${ctx} into the
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* buffer ${digest}.
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*/
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void sha224_final(sha224_ctx *, uint8_t *);
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/**
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* sha224_complete(in, len, digest):
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* Compute the SHA224 hash of ${len} bytes from $in} and write it to ${digest}.
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*/
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void sha224_complete(const void *, size_t, uint8_t *);
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/**
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* PBKDF2_SHA224(passwd, passwdlen, salt, saltlen, c, buf, dkLen):
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* Compute PBKDF2(passwd, salt, c, dkLen) using HMAC-SHA224 as the PRF, and
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* write the output to buf. The value dkLen must be at most 32 * (2^32 - 1).
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*/
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void pbkdf2_sha224(const uint8_t *, size_t, const uint8_t *, size_t,
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uint64_t, uint8_t *, size_t);
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CRYB_END
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#endif
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