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69 lines
2.1 KiB
C
69 lines
2.1 KiB
C
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/*
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---------------------------------------------------------------------------
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Copyright (c) 2002, Dr Brian Gladman < >, Worcester, UK.
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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: 26/08/2003
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*/
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#ifndef _SHA1_H
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#define _SHA1_H
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#include <limits.h>
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#define SHA1_BLOCK_SIZE 64
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#define SHA1_DIGEST_SIZE 20
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/* define an unsigned 32-bit type */
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#if UINT_MAX == 0xffffffff
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typedef unsigned int sha1_32t;
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#elif ULONG_MAX == 0xffffffff
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typedef unsigned long sha1_32t;
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#else
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#error Please define sha1_32t as an unsigned 32 bit type in sha2.h
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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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{ sha1_32t count[2];
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sha1_32t hash[5];
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sha1_32t wbuf[16];
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} sha1_ctx;
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void sha1_compile(sha1_ctx ctx[1]);
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void sha1_begin(sha1_ctx ctx[1]);
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void sha1_hash(const unsigned char data[], unsigned long len, sha1_ctx ctx[1]);
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void sha1_end(unsigned char hval[], sha1_ctx ctx[1]);
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void sha1(unsigned char hval[], const unsigned char data[], unsigned long len);
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#endif
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