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| author | Simon Glass <sjg@chromium.org> | 2012-12-05 14:46:34 +0000 |
|---|---|---|
| committer | Tom Rini <trini@ti.com> | 2012-12-11 13:17:33 -0700 |
| commit | ec7381fbf6f77cc465eb06a1ab6f8a99df1e487c (patch) | |
| tree | d352d38e00ee2cc7d404daa88842435df53a97d9 /include/sha256.h | |
| parent | a7d1d765793a05c0d6f7547122339dbecc94f6c3 (diff) | |
| download | u-boot-imx-ec7381fbf6f77cc465eb06a1ab6f8a99df1e487c.zip u-boot-imx-ec7381fbf6f77cc465eb06a1ab6f8a99df1e487c.tar.gz u-boot-imx-ec7381fbf6f77cc465eb06a1ab6f8a99df1e487c.tar.bz2 | |
sha256: Use const where possible and add watchdog function
In preparation for making the hash function common, we may as well use
const where we can.
Also add a watchdog version of the hashing function.
Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'include/sha256.h')
| -rw-r--r-- | include/sha256.h | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/include/sha256.h b/include/sha256.h index e38ea89..beadab3 100644 --- a/include/sha256.h +++ b/include/sha256.h @@ -3,6 +3,9 @@ #define SHA256_SUM_LEN 32 +/* Reset watchdog each time we process this many bytes */ +#define CHUNKSZ_SHA256 (64 * 1024) + typedef struct { uint32_t total[2]; uint32_t state[8]; @@ -10,7 +13,10 @@ typedef struct { } sha256_context; void sha256_starts(sha256_context * ctx); -void sha256_update(sha256_context * ctx, uint8_t * input, uint32_t length); +void sha256_update(sha256_context *ctx, const uint8_t *input, uint32_t length); void sha256_finish(sha256_context * ctx, uint8_t digest[SHA256_SUM_LEN]); +void sha256_csum_wd(const unsigned char *input, unsigned int ilen, + unsigned char *output, unsigned int chunk_sz); + #endif /* _SHA256_H */ |