1 #ifndef FIO_SHA1
2 #define FIO_SHA1
3 
4 /*
5  * Based on the Mozilla SHA1 (see mozilla-sha1/sha1.h),
6  * optimized to do word accesses rather than byte accesses,
7  * and to avoid unnecessary copies into the context array.
8  */
9 
10 struct fio_sha1_ctx {
11 	uint32_t *H;
12 	unsigned int W[16];
13 	unsigned long long size;
14 };
15 
16 void fio_sha1_init(struct fio_sha1_ctx *);
17 void fio_sha1_update(struct fio_sha1_ctx *, const void *dataIn, unsigned long len);
18 void fio_sha1_final(struct fio_sha1_ctx *);
19 
20 #endif
21