64 lines
2.2 KiB
C
64 lines
2.2 KiB
C
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/* sha.h
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**
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** Copyright 2008, The Android Open Source Project
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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 are met:
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** * 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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** * 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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** * Neither the name of Google Inc. nor the names of its contributors may
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** be used to endorse or promote products derived from this software
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** without specific prior written permission.
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**
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** THIS SOFTWARE IS PROVIDED BY Google Inc. ``AS IS'' AND ANY EXPRESS OR
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** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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** MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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** EVENT SHALL Google Inc. BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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** PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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** OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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** WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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** OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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** ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _EMBEDDED_SHA_H_
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#define _EMBEDDED_SHA_H_
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#include <inttypes.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct SHA_CTX {
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uint64_t count;
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uint32_t state[5];
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#if defined(HAVE_ENDIAN_H) && defined(HAVE_LITTLE_ENDIAN)
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union {
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uint8_t b[64];
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uint32_t w[16];
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} buf;
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#else
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uint8_t buf[64];
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#endif
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} SHA_CTX;
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void SHA_init(SHA_CTX* ctx);
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void SHA_update(SHA_CTX* ctx, const void* data, int len);
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const uint8_t* SHA_final(SHA_CTX* ctx);
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/* Convenience method. Returns digest parameter value. */
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const uint8_t* SHA(const void* data, int len, uint8_t* digest);
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#define SHA_DIGEST_SIZE 20
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#ifdef __cplusplus
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}
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#endif
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#endif
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