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aes: Check aes_padlock_ace > 0 before calling padlock

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Sometime user may forget to call mbedtls_aes_setkey_enc or
mbedtls_aes_setkey_dec before mbedtls_aes_crypt_ecb and then
the code normally crash inside the assembly code. With this
patch, the code will stop inside the C source code which is
more convenient to locate the problem.

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
Change-Id: I0e1d6b219f8709f8acaee5f345344335fc82fed3
This commit is contained in:
Xiang Xiao 2021-05-07 00:55:52 -07:00
parent 5b416e95b2
commit 12e18369e8
1 changed files with 2 additions and 2 deletions
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4
library/aes.c
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@ -1023,7 +1023,7 @@ int mbedtls_aes_crypt_ecb( mbedtls_aes_context *ctx,
#endif
#if defined(MBEDTLS_PADLOCK_C) && defined(MBEDTLS_HAVE_X86)
if( aes_padlock_ace )
if( aes_padlock_ace > 0)
{
if( mbedtls_padlock_xcryptecb( ctx, mode, input, output ) == 0 )
return( 0 );
@ -1065,7 +1065,7 @@ int mbedtls_aes_crypt_cbc( mbedtls_aes_context *ctx,
return( MBEDTLS_ERR_AES_INVALID_INPUT_LENGTH );
#if defined(MBEDTLS_PADLOCK_C) && defined(MBEDTLS_HAVE_X86)
if( aes_padlock_ace )
if( aes_padlock_ace > 0 )
{
if( mbedtls_padlock_xcryptcbc( ctx, mode, length, iv, input, output ) == 0 )
return( 0 );