block-sha1: make the size member first in the context struct
[git/dscho.git] / block-sha1 / sha1.h
blob81abfd4c1c581c644d0149421aca642de323fca6
1 /*
2 * Based on the Mozilla SHA1 (see mozilla-sha1/sha1.h),
3 * optimized to do word accesses rather than byte accesses,
4 * and to avoid unnecessary copies into the context array.
5 */
7 typedef struct {
8 unsigned long long size;
9 unsigned int H[5];
10 unsigned int W[16];
11 } blk_SHA_CTX;
13 void blk_SHA1_Init(blk_SHA_CTX *ctx);
14 void blk_SHA1_Update(blk_SHA_CTX *ctx, const void *dataIn, unsigned long len);
15 void blk_SHA1_Final(unsigned char hashout[20], blk_SHA_CTX *ctx);
17 #define git_SHA_CTX blk_SHA_CTX
18 #define git_SHA1_Init blk_SHA1_Init
19 #define git_SHA1_Update blk_SHA1_Update
20 #define git_SHA1_Final blk_SHA1_Final