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Document AES functions and fix free() functions

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This commit is contained in:
Manuel Pégourié-Gonnard 2018-12-10 16:56:14 +01:00
parent 0e9cddbf1a
commit 44c5d58d05
4 changed files with 50 additions and 12 deletions
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11
library/aes.c
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@ -58,7 +58,7 @@
/* Parameter validation macros based on platform_util.h */
#define AES_VALIDATE_RET( cond ) \
MBEDTLS_INTERNAL_VALIDATE_RET( cond, MBEDTLS_ERR_AES_BAD_INPUT_DATA)
MBEDTLS_INTERNAL_VALIDATE_RET( cond, MBEDTLS_ERR_AES_BAD_INPUT_DATA )
#define AES_VALIDATE( cond ) \
MBEDTLS_INTERNAL_VALIDATE( cond )
@ -541,7 +541,8 @@ void mbedtls_aes_xts_init( mbedtls_aes_xts_context *ctx )
void mbedtls_aes_xts_free( mbedtls_aes_xts_context *ctx )
{
AES_VALIDATE( ctx != NULL );
if( ctx == NULL )
return;
mbedtls_aes_free( &ctx->crypt );
mbedtls_aes_free( &ctx->tweak );
@ -558,7 +559,8 @@ int mbedtls_aes_setkey_enc( mbedtls_aes_context *ctx, const unsigned char *key,
unsigned int i;
uint32_t *RK;
AES_VALIDATE_RET( ctx != NULL && key != NULL );
AES_VALIDATE_RET( ctx != NULL );
AES_VALIDATE_RET( key != NULL );
switch( keybits )
{
@ -676,7 +678,8 @@ int mbedtls_aes_setkey_dec( mbedtls_aes_context *ctx, const unsigned char *key,
uint32_t *RK;
uint32_t *SK;
AES_VALIDATE_RET( ctx != NULL && key != NULL );
AES_VALIDATE_RET( ctx != NULL );
AES_VALIDATE_RET( key != NULL );
mbedtls_aes_init( &cty );