os/xsha1.h

   1 #ifndef XSHA1_H
   2 #define XSHA1_H
   3
   4 /* Initialize SHA1 computation.  Returns NULL on error. */
   5 void *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  */
  11 int 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  */
  17 int x_sha1_final(void *ctx, unsigned char result[20]);
  18
  19 #endif