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Initialise return values to an error

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Initialising the return values to and error is best practice and makes
the library more robust.
This commit is contained in:
Janos Follath
2019-11-22 13:21:35 +00:00
parent a13b905d8d
commit 24eed8d2d2
43 changed files with 322 additions and 279 deletions
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7
library/aes.c
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@@ -38,6 +38,7 @@
#include "mbedtls/aes.h"
#include "mbedtls/platform.h"
#include "mbedtls/platform_util.h"
#include "mbedtls/error.h"
#if defined(MBEDTLS_PADLOCK_C)
#include "mbedtls/padlock.h"
#endif
@@ -766,7 +767,7 @@ int mbedtls_aes_xts_setkey_enc( mbedtls_aes_xts_context *ctx,
const unsigned char *key,
unsigned int keybits)
{
int ret;
int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
const unsigned char *key1, *key2;
unsigned int key1bits, key2bits;
@@ -791,7 +792,7 @@ int mbedtls_aes_xts_setkey_dec( mbedtls_aes_xts_context *ctx,
const unsigned char *key,
unsigned int keybits)
{
int ret;
int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
const unsigned char *key1, *key2;
unsigned int key1bits, key2bits;
@@ -1175,7 +1176,7 @@ int mbedtls_aes_crypt_xts( mbedtls_aes_xts_context *ctx,
const unsigned char *input,
unsigned char *output )
{
int ret;
int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
size_t blocks = length / 16;
size_t leftover = length % 16;
unsigned char tweak[16];