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23 lines
707 B
C
23 lines
707 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 git__blk_SHA1_Init(blk_SHA_CTX *ctx);
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void git__blk_SHA1_Update(blk_SHA_CTX *ctx, const void *dataIn, unsigned long len);
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void git__blk_SHA1_Final(unsigned char hashout[20], blk_SHA_CTX *ctx);
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#define SHA_CTX blk_SHA_CTX
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#define SHA1_Init git__blk_SHA1_Init
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#define SHA1_Update git__blk_SHA1_Update
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#define SHA1_Final git__blk_SHA1_Final
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