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a0558a87b4
..they are of a higher quality anyway, and this way we have one less library to worry about. And this way there is nobody who can claim that openssl is not a system library and thus not compatible with the GPL. Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
33 lines
932 B
C
33 lines
932 B
C
/*
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* SHA1 routine optimized to do word accesses rather than byte accesses,
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* and to avoid unnecessary copies into the context array.
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*
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* This was initially based on the Mozilla SHA1 implementation, although
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* none of the original Mozilla code remains.
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*/
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typedef struct {
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unsigned long long size;
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unsigned int H[5];
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unsigned int W[16];
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} blk_SHA_CTX;
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void blk_SHA1_Init(blk_SHA_CTX *ctx);
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void blk_SHA1_Update(blk_SHA_CTX *ctx, const void *dataIn, unsigned long len);
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void blk_SHA1_Final(unsigned char hashout[20], blk_SHA_CTX *ctx);
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/* Make us use the standard names */
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#define SHA_CTX blk_SHA_CTX
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#define SHA1_Init blk_SHA1_Init
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#define SHA1_Update blk_SHA1_Update
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#define SHA1_Final blk_SHA1_Final
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/* Trivial helper function */
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static inline void SHA1(const void *dataIn, unsigned long len, unsigned char hashout[20])
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{
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SHA_CTX ctx;
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SHA1_Init(&ctx);
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SHA1_Update(&ctx, dataIn, len);
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SHA1_Final(hashout, &ctx);
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}
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