lib: sha256: move common function to sha256_common.c

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>

1 files changed, 0 insertions, 27 deletions

diff --git a/lib/mbedtls/sha256.c b/lib/mbedtls/sha256.c
index 24aa58fa674..2128e598834 100644
--- a/lib/mbedtls/sha256.c
+++ b/lib/mbedtls/sha256.c
@@ -33,30 +33,3 @@ void sha256_finish(sha256_context *ctx, uint8_t digest[SHA256_SUM_LEN])
 	mbedtls_sha256_finish(ctx, digest);
 	mbedtls_sha256_free(ctx);
 }
-
-void sha256_csum_wd(const unsigned char *input, unsigned int ilen,
-		    unsigned char *output, unsigned int chunk_sz)
-{
-	sha256_context ctx;
-
-	sha256_starts(&ctx);
-
-	if (IS_ENABLED(CONFIG_HW_WATCHDOG) || IS_ENABLED(CONFIG_WATCHDOG)) {
-		const unsigned char *curr = input;
-		const unsigned char *end = input + ilen;
-		int chunk;
-
-		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);
-	}
-
-	sha256_finish(&ctx, output);
-}