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Change sha256 output type from an array to a pointer

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The output parameter of mbedtls_sha256_finish_ret and mbedtls_sha256_ret
now has a pointer type rather than array type. This removes spurious
warnings in some compilers when outputting a SHA-224 hash into a
28-byte buffer.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
This commit is contained in:
Gilles Peskine
2021-05-13 00:45:25 +02:00
parent 3e3a6789d1
commit d7b3d92476
4 changed files with 17 additions and 14 deletions
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4
library/sha256.c
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@ -332,7 +332,7 @@ int mbedtls_sha256_update_ret( mbedtls_sha256_context *ctx,
* SHA-256 final digest
*/
int mbedtls_sha256_finish_ret( mbedtls_sha256_context *ctx,
unsigned char output[32] )
unsigned char *output )
{
int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
uint32_t used;
@ -401,7 +401,7 @@ int mbedtls_sha256_finish_ret( mbedtls_sha256_context *ctx,
*/
int mbedtls_sha256_ret( const unsigned char *input,
size_t ilen,
unsigned char output[32],
unsigned char *output,
int is224 )
{
int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;