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Prefer initializing ret to error values

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These initial values shouldn't be used, but in case they accidentally
get used after a code change, fail safe.
This commit is contained in:
Gilles Peskine 2019-09-30 17:29:54 +02:00
parent 7edad28036
commit 006c1b5f4e
2 changed files with 4 additions and 2 deletions
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4
library/entropy.c
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@ -258,7 +258,9 @@ int mbedtls_entropy_update_manual( mbedtls_entropy_context *ctx,
*/
static int entropy_gather_internal( mbedtls_entropy_context *ctx )
{
int ret = 0, i, have_one_strong = 0;
int ret = MBEDTLS_ERR_ENTROPY_SOURCE_FAILED;
int i;
int have_one_strong = 0;
unsigned char buf[MBEDTLS_ENTROPY_MAX_GATHER];
size_t olen;

2
library/hmac_drbg.c
View File

@ -74,7 +74,7 @@ int mbedtls_hmac_drbg_update_ret( mbedtls_hmac_drbg_context *ctx,
unsigned char rounds = ( additional != NULL && add_len != 0 ) ? 2 : 1;
unsigned char sep[1];
unsigned char K[MBEDTLS_MD_MAX_SIZE];
int ret = 0;
int ret = MBEDTLS_ERR_MD_BAD_INPUT_DATA;
for( sep[0] = 0; sep[0] < rounds; sep[0]++ )
{