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Explicitly allow NULL as an argument to mbedtls_ccm_free()

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This commit is contained in:
k-stachowiak 2018-12-11 14:37:51 +01:00 • committed by Gilles Peskine
parent 438448e45f
commit fd42d531ba
2 changed files with 5 additions and 2 deletions
library
ccm.c

3
library/ccm.c
View file

@ -106,7 +106,8 @@ int mbedtls_ccm_setkey( mbedtls_ccm_context *ctx,
*/
void mbedtls_ccm_free( mbedtls_ccm_context *ctx )
{
CCM_VALIDATE( ctx != NULL );
if( ctx == NULL )
return;
mbedtls_cipher_free( &ctx->cipher_ctx );
mbedtls_platform_zeroize( ctx, sizeof( mbedtls_ccm_context ) );
}