LXR uboot/include/u-boot/sha256.h

   1#ifndef _SHA256_H
   2#define _SHA256_H
   3
   4#define SHA256_SUM_LEN  32
   5#define SHA256_DER_LEN  19
   6
   7extern const uint8_t sha256_der_prefix[];
   8
   9/* Reset watchdog each time we process this many bytes */
  10#define CHUNKSZ_SHA256  (64 * 1024)
  11
  12typedef struct {
  13        uint32_t total[2];
  14        uint32_t state[8];
  15        uint8_t buffer[64];
  16} sha256_context;
  17
  18void sha256_starts(sha256_context * ctx);
  19void sha256_update(sha256_context *ctx, const uint8_t *input, uint32_t length);
  20void sha256_finish(sha256_context * ctx, uint8_t digest[SHA256_SUM_LEN]);
  21
  22void sha256_csum_wd(const unsigned char *input, unsigned int ilen,
  23                unsigned char *output, unsigned int chunk_sz);
  24
  25#endif /* _SHA256_H */
  26