1#ifndef XSHA1_H
2#define XSHA1_H
3
4/* Initialize SHA1 computation.  Returns NULL on error. */
5void *x_sha1_init(void);
6
7/*
8 * Add some data to be hashed.  ctx is the value returned by x_sha1_init()
9 * Returns 0 on error, 1 on success.
10 */
11int x_sha1_update(void *ctx, void *data, int size);
12
13/*
14 * Place the hash in result, and free ctx.
15 * Returns 0 on error, 1 on success.
16 */
17int x_sha1_final(void *ctx, unsigned char result[20]);
18
19#endif
20