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lib: sha256: move common function to sha256_common.c

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The function sha256_csum_wd is defined in lib/sha256.c
and in lib/mbedtls/sha256.c. To avoid duplicating this
function (and future function), we move this function
to the file lib/sha256_common.c

Reviewed-by: Raymond Mao <raymond.mao@linaro.org>
Signed-off-by: Philippe Reynes <philippe.reynes@softathome.com>
This commit is contained in:
Philippe Reynes
2024-12-19 14:05:49 +01:00
committed by Simon Glass
parent f299962a5a
commit c13ac547d2
5 changed files with 52 additions and 61 deletions
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34
lib/sha256.c
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@@ -264,37 +264,3 @@ void sha256_finish(sha256_context * ctx, uint8_t digest[32])
PUT_UINT32_BE(ctx->state[6], digest, 24);
PUT_UINT32_BE(ctx->state[7], digest, 28);
}
/*
* Output = SHA-256( input buffer ). Trigger the watchdog every 'chunk_sz'
* bytes of input processed.
*/
void sha256_csum_wd(const unsigned char *input, unsigned int ilen,
unsigned char *output, unsigned int chunk_sz)
{
sha256_context ctx;
#if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
const unsigned char *end;
unsigned char *curr;
int chunk;
#endif
sha256_starts(&ctx);
#if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
curr = (unsigned char *)input;
end = input + ilen;
while (curr < end) {
chunk = end - curr;
if (chunk > chunk_sz)
chunk = chunk_sz;
sha256_update(&ctx, curr, chunk);
curr += chunk;
schedule();
}
#else
sha256_update(&ctx, input, ilen);
#endif
sha256_finish(&ctx, output);
}