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Clear pk context and other minor changes in *_free() procedures

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This commit is contained in:
irwir 2018-06-12 18:25:09 +03:00
parent fcfa4c21c1
commit 2239a868f7
4 changed files with 29 additions and 15 deletions
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15
library/dhm.c
View file

@ -428,11 +428,16 @@ cleanup:
*/
void mbedtls_dhm_free( mbedtls_dhm_context *ctx )
{
mbedtls_mpi_free( &ctx->pX ); mbedtls_mpi_free( &ctx->Vf );
mbedtls_mpi_free( &ctx->Vi ); mbedtls_mpi_free( &ctx->RP );
mbedtls_mpi_free( &ctx->K ); mbedtls_mpi_free( &ctx->GY );
mbedtls_mpi_free( &ctx->GX ); mbedtls_mpi_free( &ctx->X );
mbedtls_mpi_free( &ctx->G ); mbedtls_mpi_free( &ctx->P );
mbedtls_mpi_free( &ctx->pX );
mbedtls_mpi_free( &ctx->Vf );
mbedtls_mpi_free( &ctx->Vi );
mbedtls_mpi_free( &ctx->RP );
mbedtls_mpi_free( &ctx->K );
mbedtls_mpi_free( &ctx->GY );
mbedtls_mpi_free( &ctx->GX );
mbedtls_mpi_free( &ctx->X );
mbedtls_mpi_free( &ctx->G );
mbedtls_mpi_free( &ctx->P );
mbedtls_platform_zeroize( ctx, sizeof( mbedtls_dhm_context ) );
}

6
library/pem.c
View file

@ -423,9 +423,11 @@ int mbedtls_pem_read_buffer( mbedtls_pem_context *ctx, const char *header, const
void mbedtls_pem_free( mbedtls_pem_context *ctx )
{
if( ctx->buf != NULL )
if ( ctx->buf != NULL )
{
mbedtls_platform_zeroize( ctx->buf, ctx->buflen );
mbedtls_free( ctx->buf );
mbedtls_free( ctx->buf );
}
mbedtls_free( ctx->info );
mbedtls_platform_zeroize( ctx, sizeof( mbedtls_pem_context ) );

5
library/pk.c
View file

@ -61,10 +61,11 @@ void mbedtls_pk_init( mbedtls_pk_context *ctx )
*/
void mbedtls_pk_free( mbedtls_pk_context *ctx )
{
if( ctx == NULL || ctx->pk_info == NULL )
if( ctx == NULL )
return;
ctx->pk_info->ctx_free_func( ctx->pk_ctx );
if ( ctx->pk_info != NULL )
ctx->pk_info->ctx_free_func( ctx->pk_ctx );
mbedtls_platform_zeroize( ctx, sizeof( mbedtls_pk_context ) );
}

18
library/rsa.c
View file

@ -2168,14 +2168,20 @@ cleanup:
*/
void mbedtls_rsa_free( mbedtls_rsa_context *ctx )
{
mbedtls_mpi_free( &ctx->Vi ); mbedtls_mpi_free( &ctx->Vf );
mbedtls_mpi_free( &ctx->RN ); mbedtls_mpi_free( &ctx->D );
mbedtls_mpi_free( &ctx->Q ); mbedtls_mpi_free( &ctx->P );
mbedtls_mpi_free( &ctx->E ); mbedtls_mpi_free( &ctx->N );
mbedtls_mpi_free( &ctx->Vi );
mbedtls_mpi_free( &ctx->Vf );
mbedtls_mpi_free( &ctx->RN );
mbedtls_mpi_free( &ctx->D );
mbedtls_mpi_free( &ctx->Q );
mbedtls_mpi_free( &ctx->P );
mbedtls_mpi_free( &ctx->E );
mbedtls_mpi_free( &ctx->N );
#if !defined(MBEDTLS_RSA_NO_CRT)
mbedtls_mpi_free( &ctx->RQ ); mbedtls_mpi_free( &ctx->RP );
mbedtls_mpi_free( &ctx->QP ); mbedtls_mpi_free( &ctx->DQ );
mbedtls_mpi_free( &ctx->RQ );
mbedtls_mpi_free( &ctx->RP );
mbedtls_mpi_free( &ctx->QP );
mbedtls_mpi_free( &ctx->DQ );
mbedtls_mpi_free( &ctx->DP );
#endif /* MBEDTLS_RSA_NO_CRT */