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74 lines
2.4 KiB
C
74 lines
2.4 KiB
C
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/*
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---------------------------------------------------------------------------
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Copyright (c) 2002, Dr Brian Gladman, Worcester, UK. All rights reserved.
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LICENSE TERMS
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The free distribution and use of this software in both source and binary
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form is allowed (with or without changes) provided that:
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1. distributions of this source code include the above copyright
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notice, this list of conditions and the following disclaimer;
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2. distributions in binary form include the above copyright
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notice, this list of conditions and the following disclaimer
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in the documentation and/or other associated materials;
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3. the copyright holder's name is not used to endorse products
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built using this software without specific written permission.
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ALTERNATIVELY, provided that this notice is retained in full, this product
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may be distributed under the terms of the GNU General Public License (GPL),
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in which case the provisions of the GPL apply INSTEAD OF those given above.
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DISCLAIMER
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This software is provided 'as is' with no explicit or implied warranties
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in respect of its properties, including, but not limited to, correctness
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and/or fitness for purpose.
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---------------------------------------------------------------------------
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Issue Date: 01/08/2005
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*/
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#ifndef _SHA1_H
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#define _SHA1_H
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#include <stdlib.h>
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#include "brg_types.h"
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#define SHA1_BLOCK_SIZE 64
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#define SHA1_DIGEST_SIZE 20
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#if defined(__cplusplus)
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extern "C"
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{
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#endif
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/* type to hold the SHA256 context */
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typedef struct
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{ uint_32t count[2];
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uint_32t hash[5];
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uint_32t wbuf[16];
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} sha1_ctx;
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/* Note that these prototypes are the same for both bit and */
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/* byte oriented implementations. However the length fields */
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/* are in bytes or bits as appropriate for the version used */
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/* and bit sequences are input as arrays of bytes in which */
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/* bit sequences run from the most to the least significant */
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/* end of each byte */
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VOID_RETURN sha1_compile(sha1_ctx ctx[1]);
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VOID_RETURN sha1_begin(sha1_ctx ctx[1]);
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VOID_RETURN sha1_hash(const unsigned char data[], unsigned long len, sha1_ctx ctx[1]);
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VOID_RETURN sha1_end(unsigned char hval[], sha1_ctx ctx[1]);
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VOID_RETURN sha1(unsigned char hval[], const unsigned char data[], unsigned long len);
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#if defined(__cplusplus)
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}
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#endif
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#endif
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