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72 lines
2.2 KiB
72 lines
2.2 KiB
/* |
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--------------------------------------------------------------------------- |
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Copyright (c) 1998-2010, Brian Gladman, Worcester, UK. All rights reserved. |
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The redistribution and use of this software (with or without changes) |
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is allowed without the payment of fees or royalties provided that: |
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source code distributions include the above copyright notice, this |
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list of conditions and the following disclaimer; |
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binary distributions include the above copyright notice, this list |
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of conditions and the following disclaimer in their documentation. |
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This software is provided 'as is' with no explicit or implied warranties |
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in respect of its operation, including, but not limited to, correctness |
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and fitness for purpose. |
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--------------------------------------------------------------------------- |
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Issue Date: 20/12/2007 |
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*/ |
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#ifndef _SHA1_H |
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#define _SHA1_H |
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#define SHA_1 |
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/* define for bit or byte oriented SHA */ |
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#if 1 |
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# define SHA1_BITS 0 /* byte oriented */ |
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#else |
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# define SHA1_BITS 1 /* bit oriented */ |
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#endif |
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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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{ uint32_t count[2]; |
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uint32_t hash[SHA1_DIGEST_SIZE >> 2]; |
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uint32_t wbuf[SHA1_BLOCK_SIZE >> 2]; |
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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. The value 'len' in sha1_hash for the */ |
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/* byte oriented version of SHA1 is limited to 2^29 bytes, */ |
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/* but multiple calls will handle longer data blocks. */ |
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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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