mirror of
https://github.com/yuzu-emu/mbedtls.git
synced 2024-11-25 15:15:47 +01:00
Run AES-GCM-192 selftest if available only
This patch modifies the function mbedtls_gcm_self_test() function to ensure that AES-GCM-192 tests are only run if the key size is supported by the available implementation. This is useful when using MBEDTLS_AES_ALT as some hardware crypto accelerators might not support AES-192.
This commit is contained in:
Andres Amaya Garcia
parent
58f98c23d5
commit
2a078da134
189
library/gcm.c
189
library/gcm.c
@ -46,6 +46,7 @@
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#endif
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#if defined(MBEDTLS_SELF_TEST) && defined(MBEDTLS_AES_C)
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#include "mbedtls/aes.h"
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#if defined(MBEDTLS_PLATFORM_C)
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#include "mbedtls/platform.h"
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#else
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@ -742,34 +743,43 @@ int mbedtls_gcm_self_test( int verbose )
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int i, j, ret;
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mbedtls_cipher_id_t cipher = MBEDTLS_CIPHER_ID_AES;
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mbedtls_gcm_init( &ctx );
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for( j = 0; j < 3; j++ )
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{
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int key_len = 128 + 64 * j;
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for( i = 0; i < MAX_TESTS; i++ )
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{
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mbedtls_gcm_init( &ctx );
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if( verbose != 0 )
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mbedtls_printf( " AES-GCM-%3d #%d (%s): ",
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key_len, i, "enc" );
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key_len, i, "enc" );
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mbedtls_gcm_setkey( &ctx, cipher, key[key_index[i]], key_len );
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ret = mbedtls_gcm_setkey( &ctx, cipher, key[key_index[i]],
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key_len );
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if( ret == MBEDTLS_ERR_AES_FEATURE_UNAVAILABLE && key_len == 192 )
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{
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mbedtls_printf( "skipped\n" );
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break;
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}
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else if( ret != 0 )
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{
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goto exit;
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}
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ret = mbedtls_gcm_crypt_and_tag( &ctx, MBEDTLS_GCM_ENCRYPT,
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pt_len[i],
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iv[iv_index[i]], iv_len[i],
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additional[add_index[i]], add_len[i],
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pt[pt_index[i]], buf, 16, tag_buf );
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pt_len[i],
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iv[iv_index[i]], iv_len[i],
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additional[add_index[i]], add_len[i],
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pt[pt_index[i]], buf, 16, tag_buf );
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if( ret != 0 )
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goto exit;
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if( ret != 0 ||
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memcmp( buf, ct[j * 6 + i], pt_len[i] ) != 0 ||
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memcmp( tag_buf, tag[j * 6 + i], 16 ) != 0 )
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if ( memcmp( buf, ct[j * 6 + i], pt_len[i] ) != 0 ||
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memcmp( tag_buf, tag[j * 6 + i], 16 ) != 0 )
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{
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if( verbose != 0 )
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mbedtls_printf( "failed\n" );
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return( 1 );
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ret = 1;
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goto exit;
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}
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mbedtls_gcm_free( &ctx );
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@ -777,26 +787,31 @@ int mbedtls_gcm_self_test( int verbose )
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if( verbose != 0 )
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mbedtls_printf( "passed\n" );
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mbedtls_gcm_init( &ctx );
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if( verbose != 0 )
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mbedtls_printf( " AES-GCM-%3d #%d (%s): ",
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key_len, i, "dec" );
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key_len, i, "dec" );
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mbedtls_gcm_setkey( &ctx, cipher, key[key_index[i]], key_len );
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ret = mbedtls_gcm_setkey( &ctx, cipher, key[key_index[i]],
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key_len );
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if( ret != 0 )
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goto exit;
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ret = mbedtls_gcm_crypt_and_tag( &ctx, MBEDTLS_GCM_DECRYPT,
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pt_len[i],
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iv[iv_index[i]], iv_len[i],
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additional[add_index[i]], add_len[i],
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ct[j * 6 + i], buf, 16, tag_buf );
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pt_len[i],
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iv[iv_index[i]], iv_len[i],
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additional[add_index[i]], add_len[i],
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ct[j * 6 + i], buf, 16, tag_buf );
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if( ret != 0 ||
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memcmp( buf, pt[pt_index[i]], pt_len[i] ) != 0 ||
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if( ret != 0 )
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goto exit;
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if( memcmp( buf, pt[pt_index[i]], pt_len[i] ) != 0 ||
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memcmp( tag_buf, tag[j * 6 + i], 16 ) != 0 )
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{
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if( verbose != 0 )
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mbedtls_printf( "failed\n" );
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return( 1 );
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ret = 1;
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goto exit;
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}
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mbedtls_gcm_free( &ctx );
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@ -804,66 +819,51 @@ int mbedtls_gcm_self_test( int verbose )
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if( verbose != 0 )
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mbedtls_printf( "passed\n" );
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mbedtls_gcm_init( &ctx );
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if( verbose != 0 )
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mbedtls_printf( " AES-GCM-%3d #%d split (%s): ",
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key_len, i, "enc" );
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key_len, i, "enc" );
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mbedtls_gcm_setkey( &ctx, cipher, key[key_index[i]], key_len );
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ret = mbedtls_gcm_setkey( &ctx, cipher, key[key_index[i]],
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key_len );
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if( ret != 0 )
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goto exit;
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ret = mbedtls_gcm_starts( &ctx, MBEDTLS_GCM_ENCRYPT,
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iv[iv_index[i]], iv_len[i],
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additional[add_index[i]], add_len[i] );
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iv[iv_index[i]], iv_len[i],
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additional[add_index[i]], add_len[i] );
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if( ret != 0 )
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{
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if( verbose != 0 )
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mbedtls_printf( "failed\n" );
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return( 1 );
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}
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goto exit;
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if( pt_len[i] > 32 )
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{
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size_t rest_len = pt_len[i] - 32;
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ret = mbedtls_gcm_update( &ctx, 32, pt[pt_index[i]], buf );
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if( ret != 0 )
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{
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if( verbose != 0 )
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mbedtls_printf( "failed\n" );
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return( 1 );
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}
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goto exit;
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ret = mbedtls_gcm_update( &ctx, rest_len, pt[pt_index[i]] + 32,
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buf + 32 );
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if( ret != 0 )
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{
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if( verbose != 0 )
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mbedtls_printf( "failed\n" );
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return( 1 );
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}
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goto exit;
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}
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else
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{
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ret = mbedtls_gcm_update( &ctx, pt_len[i], pt[pt_index[i]], buf );
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if( ret != 0 )
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{
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if( verbose != 0 )
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mbedtls_printf( "failed\n" );
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return( 1 );
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}
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goto exit;
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}
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ret = mbedtls_gcm_finish( &ctx, tag_buf, 16 );
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if( ret != 0 ||
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memcmp( buf, ct[j * 6 + i], pt_len[i] ) != 0 ||
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if( ret != 0 )
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goto exit;
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if( memcmp( buf, ct[j * 6 + i], pt_len[i] ) != 0 ||
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memcmp( tag_buf, tag[j * 6 + i], 16 ) != 0 )
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{
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if( verbose != 0 )
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mbedtls_printf( "failed\n" );
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return( 1 );
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ret = 1;
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goto exit;
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}
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mbedtls_gcm_free( &ctx );
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@ -871,80 +871,75 @@ int mbedtls_gcm_self_test( int verbose )
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if( verbose != 0 )
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mbedtls_printf( "passed\n" );
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mbedtls_gcm_init( &ctx );
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if( verbose != 0 )
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mbedtls_printf( " AES-GCM-%3d #%d split (%s): ",
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key_len, i, "dec" );
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key_len, i, "dec" );
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mbedtls_gcm_setkey( &ctx, cipher, key[key_index[i]], key_len );
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ret = mbedtls_gcm_setkey( &ctx, cipher, key[key_index[i]],
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key_len );
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if( ret != 0 )
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goto exit;
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ret = mbedtls_gcm_starts( &ctx, MBEDTLS_GCM_DECRYPT,
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iv[iv_index[i]], iv_len[i],
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additional[add_index[i]], add_len[i] );
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if( ret != 0 )
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{
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if( verbose != 0 )
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mbedtls_printf( "failed\n" );
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return( 1 );
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}
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goto exit;
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if( pt_len[i] > 32 )
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{
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size_t rest_len = pt_len[i] - 32;
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ret = mbedtls_gcm_update( &ctx, 32, ct[j * 6 + i], buf );
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if( ret != 0 )
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{
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if( verbose != 0 )
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mbedtls_printf( "failed\n" );
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return( 1 );
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}
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goto exit;
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ret = mbedtls_gcm_update( &ctx, rest_len, ct[j * 6 + i] + 32,
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buf + 32 );
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buf + 32 );
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if( ret != 0 )
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{
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if( verbose != 0 )
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mbedtls_printf( "failed\n" );
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return( 1 );
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}
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goto exit;
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}
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else
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{
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ret = mbedtls_gcm_update( &ctx, pt_len[i], ct[j * 6 + i], buf );
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ret = mbedtls_gcm_update( &ctx, pt_len[i], ct[j * 6 + i],
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buf );
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if( ret != 0 )
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{
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if( verbose != 0 )
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mbedtls_printf( "failed\n" );
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return( 1 );
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}
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goto exit;
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}
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ret = mbedtls_gcm_finish( &ctx, tag_buf, 16 );
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if( ret != 0 ||
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memcmp( buf, pt[pt_index[i]], pt_len[i] ) != 0 ||
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if( ret != 0 )
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goto exit;
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if( memcmp( buf, pt[pt_index[i]], pt_len[i] ) != 0 ||
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memcmp( tag_buf, tag[j * 6 + i], 16 ) != 0 )
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{
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if( verbose != 0 )
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mbedtls_printf( "failed\n" );
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return( 1 );
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ret = 1;
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goto exit;
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}
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mbedtls_gcm_free( &ctx );
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if( verbose != 0 )
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mbedtls_printf( "passed\n" );
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}
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}
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if( verbose != 0 )
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mbedtls_printf( "\n" );
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return( 0 );
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ret = 0;
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exit:
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if( ret != 0 )
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{
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if( verbose != 0 )
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mbedtls_printf( "failed\n" );
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mbedtls_gcm_free( &ctx );
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}
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return( ret );
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}
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#endif /* MBEDTLS_SELF_TEST && MBEDTLS_AES_C */
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