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aes: Add self test for AES-XTS
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Jaeden Amero
parent
cd9fc5e541
commit
21d79cf947
135
library/aes.c
135
library/aes.c
@ -1626,6 +1626,74 @@ static const int aes_test_ctr_len[3] =
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{ 16, 32, 36 };
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#endif /* MBEDTLS_CIPHER_MODE_CTR */
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#if defined(MBEDTLS_CIPHER_MODE_XTS)
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/*
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* AES-XTS test vectors from:
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*
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* IEEE P1619/D16 Annex B
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* https://web.archive.org/web/20150629024421/http://grouper.ieee.org/groups/1619/email/pdf00086.pdf
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* (Archived from original at http://grouper.ieee.org/groups/1619/email/pdf00086.pdf)
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*/
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static const unsigned char aes_test_xts_key[][32] =
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{
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
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{ 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11,
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0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11,
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0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x22,
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0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x22 },
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{ 0xff, 0xfe, 0xfd, 0xfc, 0xfb, 0xfa, 0xf9, 0xf8,
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0xf7, 0xf6, 0xf5, 0xf4, 0xf3, 0xf2, 0xf1, 0xf0,
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0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x22,
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0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x22 },
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};
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static const unsigned char aes_test_xts_pt32[][32] =
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{
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
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{ 0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44,
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0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44,
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0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44,
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0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44 },
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{ 0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44,
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0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44,
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0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44,
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0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44 },
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};
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static const unsigned char aes_test_xts_ct32[][32] =
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{
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{ 0x91, 0x7c, 0xf6, 0x9e, 0xbd, 0x68, 0xb2, 0xec,
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0x9b, 0x9f, 0xe9, 0xa3, 0xea, 0xdd, 0xa6, 0x92,
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0xcd, 0x43, 0xd2, 0xf5, 0x95, 0x98, 0xed, 0x85,
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0x8c, 0x02, 0xc2, 0x65, 0x2f, 0xbf, 0x92, 0x2e },
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{ 0xc4, 0x54, 0x18, 0x5e, 0x6a, 0x16, 0x93, 0x6e,
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0x39, 0x33, 0x40, 0x38, 0xac, 0xef, 0x83, 0x8b,
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0xfb, 0x18, 0x6f, 0xff, 0x74, 0x80, 0xad, 0xc4,
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0x28, 0x93, 0x82, 0xec, 0xd6, 0xd3, 0x94, 0xf0 },
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{ 0xaf, 0x85, 0x33, 0x6b, 0x59, 0x7a, 0xfc, 0x1a,
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0x90, 0x0b, 0x2e, 0xb2, 0x1e, 0xc9, 0x49, 0xd2,
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0x92, 0xdf, 0x4c, 0x04, 0x7e, 0x0b, 0x21, 0x53,
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0x21, 0x86, 0xa5, 0x97, 0x1a, 0x22, 0x7a, 0x89 },
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};
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static const unsigned char aes_test_xts_data_unit[][16] =
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{
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
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{ 0x33, 0x33, 0x33, 0x33, 0x33, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
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{ 0x33, 0x33, 0x33, 0x33, 0x33, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
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};
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#endif /* MBEDTLS_CIPHER_MODE_XTS */
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/*
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* Checkup routine
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*/
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@ -1969,6 +2037,73 @@ int mbedtls_aes_self_test( int verbose )
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mbedtls_printf( "\n" );
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#endif /* MBEDTLS_CIPHER_MODE_CTR */
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#if defined(MBEDTLS_CIPHER_MODE_XTS)
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{
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static const int num_tests =
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sizeof(aes_test_xts_key) / sizeof(*aes_test_xts_key);
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mbedtls_aes_xts_context ctx_xts;
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/*
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* XTS mode
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*/
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mbedtls_aes_xts_init( &ctx_xts );
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for( i = 0; i < num_tests << 1; i++ )
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{
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const unsigned char *data_unit;
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u = i >> 1;
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mode = i & 1;
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if( verbose != 0 )
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mbedtls_printf( " AES-XTS-128 (%s): ",
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( mode == MBEDTLS_AES_DECRYPT ) ? "dec" : "enc" );
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memset( key, 0, sizeof( key ) );
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memcpy( key, aes_test_xts_key[u], 32 );
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data_unit = aes_test_xts_data_unit[u];
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len = sizeof( *aes_test_xts_ct32 );
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if( mode == MBEDTLS_AES_DECRYPT )
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{
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ret = mbedtls_aes_xts_setkey_dec( &ctx_xts, key, 256 );
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if( ret != 0)
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goto exit;
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memcpy( buf, aes_test_xts_ct32[u], len );
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aes_tests = aes_test_xts_pt32[u];
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}
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else
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{
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ret = mbedtls_aes_xts_setkey_enc( &ctx_xts, key, 256 );
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if( ret != 0)
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goto exit;
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memcpy( buf, aes_test_xts_pt32[u], len );
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aes_tests = aes_test_xts_ct32[u];
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}
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ret = mbedtls_aes_crypt_xts( &ctx_xts, mode, len, data_unit,
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buf, buf );
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if( ret != 0 )
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goto exit;
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if( memcmp( buf, aes_tests, len ) != 0 )
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{
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ret = 1;
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goto exit;
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}
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if( verbose != 0 )
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mbedtls_printf( "passed\n" );
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}
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if( verbose != 0 )
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mbedtls_printf( "\n" );
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mbedtls_aes_xts_free( &ctx_xts );
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}
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#endif /* MBEDTLS_CIPHER_MODE_XTS */
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ret = 0;
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exit:
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