yuzu/mbedtls
1
0
Fork 0
mirror of https://github.com/yuzu-emu/mbedtls.git synced 2024-10-19 02:21:27 +00:00
Code Issues Packages Projects Releases Wiki Activity

cipher_auth_xxcrypt_ext: Make NIST_KW case more robust

Browse source 
Don't invoke classic NIST_KW in case PSA gains support for NIST_KW.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
This commit is contained in:
Gilles Peskine 2020-12-04 00:47:07 +01:00 committed by Manuel Pégourié-Gonnard
parent e09aeb4923
commit a56d3d9e75
1 changed files with 12 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

16
library/cipher.c
View file

@ -1537,8 +1537,12 @@ int mbedtls_cipher_auth_encrypt_ext( mbedtls_cipher_context_t *ctx,
CIPHER_VALIDATE_RET( olen != NULL );
#if defined(MBEDTLS_NIST_KW_C)
if( MBEDTLS_MODE_KW == ctx->cipher_info->mode ||
MBEDTLS_MODE_KWP == ctx->cipher_info->mode )
if(
#if defined(MBEDTLS_USE_PSA_CRYPTO)
ctx->psa_enabled == 0 &&
#endif
( MBEDTLS_MODE_KW == ctx->cipher_info->mode ||
MBEDTLS_MODE_KWP == ctx->cipher_info->mode ) )
{
mbedtls_nist_kw_mode_t mode = ( MBEDTLS_MODE_KW == ctx->cipher_info->mode ) ?
MBEDTLS_KW_MODE_KW : MBEDTLS_KW_MODE_KWP;
@ -1586,8 +1590,12 @@ int mbedtls_cipher_auth_decrypt_ext( mbedtls_cipher_context_t *ctx,
CIPHER_VALIDATE_RET( olen != NULL );
#if defined(MBEDTLS_NIST_KW_C)
if( MBEDTLS_MODE_KW == ctx->cipher_info->mode ||
MBEDTLS_MODE_KWP == ctx->cipher_info->mode )
if(
#if defined(MBEDTLS_USE_PSA_CRYPTO)
ctx->psa_enabled == 0 &&
#endif
( MBEDTLS_MODE_KW == ctx->cipher_info->mode ||
MBEDTLS_MODE_KWP == ctx->cipher_info->mode ) )
{
mbedtls_nist_kw_mode_t mode = ( MBEDTLS_MODE_KW == ctx->cipher_info->mode ) ?
MBEDTLS_KW_MODE_KW : MBEDTLS_KW_MODE_KWP;