include/u-boot/sha256.h

   1 #ifndef _SHA256_H
   2 #define _SHA256_H
   3
   4 #define SHA256_SUM_LEN  32
   5
   6 /* Reset watchdog each time we process this many bytes */
   7 #define CHUNKSZ_SHA256  (64 * 1024)
   8
   9 typedef struct {
  10         uint32_t total[2];
  11         uint32_t state[8];
  12         uint8_t buffer[64];
  13 } sha256_context;
  14
  15 void sha256_starts(sha256_context * ctx);
  16 void sha256_update(sha256_context *ctx, const uint8_t *input, uint32_t length);
  17 void sha256_finish(sha256_context * ctx, uint8_t digest[SHA256_SUM_LEN]);
  18
  19 void sha256_csum_wd(const unsigned char *input, unsigned int ilen,
  20                 unsigned char *output, unsigned int chunk_sz);
  21
  22 #endif /* _SHA256_H */