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xemu/tests/test-crypto-xts.c
Daniel P. Berrangé 1e0fa32c6c crypto: add testing for unaligned buffers with XTS cipher mode 
Validate that the XTS cipher mode will correctly operate with plain
text, cipher text and IV buffers that are not 64-bit aligned.

Reviewed-by: Alberto Garcia <berto@igalia.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
2018-10-24 19:03:37 +01:00

530 lines
21 KiB
C
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/*
* QEMU Crypto XTS cipher mode
*
* Copyright (c) 2015-2018 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, see <http://www.gnu.org/licenses/>.
*
* This code is originally derived from public domain / WTFPL code in
* LibTomCrypt crytographic library http://libtom.org. The XTS code
* was donated by Elliptic Semiconductor Inc (www.ellipticsemi.com)
* to the LibTom Projects
*
*/
#include "qemu/osdep.h"
#include "crypto/init.h"
#include "crypto/xts.h"
#include "crypto/aes.h"
typedef struct {
const char *path;
int keylen;
unsigned char key1[32];
unsigned char key2[32];
uint64_t seqnum;
unsigned long PTLEN;
unsigned char PTX[512], CTX[512];
} QCryptoXTSTestData;
static const QCryptoXTSTestData test_data[] = {
/* #1 32 byte key, 32 byte PTX */
{
"/crypto/xts/t-1-key-32-ptx-32",
32,
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
0,
32,
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x91, 0x7c, 0xf6, 0x9e, 0xbd, 0x68, 0xb2, 0xec,
0x9b, 0x9f, 0xe9, 0xa3, 0xea, 0xdd, 0xa6, 0x92,
0xcd, 0x43, 0xd2, 0xf5, 0x95, 0x98, 0xed, 0x85,
0x8c, 0x02, 0xc2, 0x65, 0x2f, 0xbf, 0x92, 0x2e },
},
/* #2, 32 byte key, 32 byte PTX */
{
"/crypto/xts/t-2-key-32-ptx-32",
32,
{ 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11,
0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11 },
{ 0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x22,
0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x22 },
0x3333333333LL,
32,
{ 0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44,
0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44,
0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44,
0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44 },
{ 0xc4, 0x54, 0x18, 0x5e, 0x6a, 0x16, 0x93, 0x6e,
0x39, 0x33, 0x40, 0x38, 0xac, 0xef, 0x83, 0x8b,
0xfb, 0x18, 0x6f, 0xff, 0x74, 0x80, 0xad, 0xc4,
0x28, 0x93, 0x82, 0xec, 0xd6, 0xd3, 0x94, 0xf0 },
},
/* #5 from xts.7, 32 byte key, 32 byte PTX */
{
"/crypto/xts/t-5-key-32-ptx-32",
32,
{ 0xff, 0xfe, 0xfd, 0xfc, 0xfb, 0xfa, 0xf9, 0xf8,
0xf7, 0xf6, 0xf5, 0xf4, 0xf3, 0xf2, 0xf1, 0xf0 },
{ 0xbf, 0xbe, 0xbd, 0xbc, 0xbb, 0xba, 0xb9, 0xb8,
0xb7, 0xb6, 0xb5, 0xb4, 0xb3, 0xb2, 0xb1, 0xb0 },
0x123456789aLL,
32,
{ 0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44,
0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44,
0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44,
0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44 },
{ 0xb0, 0x1f, 0x86, 0xf8, 0xed, 0xc1, 0x86, 0x37,
0x06, 0xfa, 0x8a, 0x42, 0x53, 0xe3, 0x4f, 0x28,
0xaf, 0x31, 0x9d, 0xe3, 0x83, 0x34, 0x87, 0x0f,
0x4d, 0xd1, 0xf9, 0x4c, 0xbe, 0x98, 0x32, 0xf1 },
},
/* #4, 32 byte key, 512 byte PTX */
{
"/crypto/xts/t-4-key-32-ptx-512",
32,
{ 0x27, 0x18, 0x28, 0x18, 0x28, 0x45, 0x90, 0x45,
0x23, 0x53, 0x60, 0x28, 0x74, 0x71, 0x35, 0x26 },
{ 0x31, 0x41, 0x59, 0x26, 0x53, 0x58, 0x97, 0x93,
0x23, 0x84, 0x62, 0x64, 0x33, 0x83, 0x27, 0x95 },
0,
512,
{
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27,
0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f,
0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,
0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,
0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,
0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f,
0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57,
0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f,
0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f,
0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77,
0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f,
0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87,
0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f,
0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97,
0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f,
0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7,
0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf,
0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7,
0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf,
0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7,
0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf,
0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7,
0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf,
0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7,
0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef,
0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7,
0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff,
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27,
0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f,
0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,
0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,
0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,
0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f,
0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57,
0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f,
0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f,
0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77,
0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f,
0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87,
0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f,
0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97,
0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f,
0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7,
0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf,
0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7,
0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf,
0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7,
0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf,
0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7,
0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf,
0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7,
0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef,
0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7,
0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff,
},
{
0x27, 0xa7, 0x47, 0x9b, 0xef, 0xa1, 0xd4, 0x76,
0x48, 0x9f, 0x30, 0x8c, 0xd4, 0xcf, 0xa6, 0xe2,
0xa9, 0x6e, 0x4b, 0xbe, 0x32, 0x08, 0xff, 0x25,
0x28, 0x7d, 0xd3, 0x81, 0x96, 0x16, 0xe8, 0x9c,
0xc7, 0x8c, 0xf7, 0xf5, 0xe5, 0x43, 0x44, 0x5f,
0x83, 0x33, 0xd8, 0xfa, 0x7f, 0x56, 0x00, 0x00,
0x05, 0x27, 0x9f, 0xa5, 0xd8, 0xb5, 0xe4, 0xad,
0x40, 0xe7, 0x36, 0xdd, 0xb4, 0xd3, 0x54, 0x12,
0x32, 0x80, 0x63, 0xfd, 0x2a, 0xab, 0x53, 0xe5,
0xea, 0x1e, 0x0a, 0x9f, 0x33, 0x25, 0x00, 0xa5,
0xdf, 0x94, 0x87, 0xd0, 0x7a, 0x5c, 0x92, 0xcc,
0x51, 0x2c, 0x88, 0x66, 0xc7, 0xe8, 0x60, 0xce,
0x93, 0xfd, 0xf1, 0x66, 0xa2, 0x49, 0x12, 0xb4,
0x22, 0x97, 0x61, 0x46, 0xae, 0x20, 0xce, 0x84,
0x6b, 0xb7, 0xdc, 0x9b, 0xa9, 0x4a, 0x76, 0x7a,
0xae, 0xf2, 0x0c, 0x0d, 0x61, 0xad, 0x02, 0x65,
0x5e, 0xa9, 0x2d, 0xc4, 0xc4, 0xe4, 0x1a, 0x89,
0x52, 0xc6, 0x51, 0xd3, 0x31, 0x74, 0xbe, 0x51,
0xa1, 0x0c, 0x42, 0x11, 0x10, 0xe6, 0xd8, 0x15,
0x88, 0xed, 0xe8, 0x21, 0x03, 0xa2, 0x52, 0xd8,
0xa7, 0x50, 0xe8, 0x76, 0x8d, 0xef, 0xff, 0xed,
0x91, 0x22, 0x81, 0x0a, 0xae, 0xb9, 0x9f, 0x91,
0x72, 0xaf, 0x82, 0xb6, 0x04, 0xdc, 0x4b, 0x8e,
0x51, 0xbc, 0xb0, 0x82, 0x35, 0xa6, 0xf4, 0x34,
0x13, 0x32, 0xe4, 0xca, 0x60, 0x48, 0x2a, 0x4b,
0xa1, 0xa0, 0x3b, 0x3e, 0x65, 0x00, 0x8f, 0xc5,
0xda, 0x76, 0xb7, 0x0b, 0xf1, 0x69, 0x0d, 0xb4,
0xea, 0xe2, 0x9c, 0x5f, 0x1b, 0xad, 0xd0, 0x3c,
0x5c, 0xcf, 0x2a, 0x55, 0xd7, 0x05, 0xdd, 0xcd,
0x86, 0xd4, 0x49, 0x51, 0x1c, 0xeb, 0x7e, 0xc3,
0x0b, 0xf1, 0x2b, 0x1f, 0xa3, 0x5b, 0x91, 0x3f,
0x9f, 0x74, 0x7a, 0x8a, 0xfd, 0x1b, 0x13, 0x0e,
0x94, 0xbf, 0xf9, 0x4e, 0xff, 0xd0, 0x1a, 0x91,
0x73, 0x5c, 0xa1, 0x72, 0x6a, 0xcd, 0x0b, 0x19,
0x7c, 0x4e, 0x5b, 0x03, 0x39, 0x36, 0x97, 0xe1,
0x26, 0x82, 0x6f, 0xb6, 0xbb, 0xde, 0x8e, 0xcc,
0x1e, 0x08, 0x29, 0x85, 0x16, 0xe2, 0xc9, 0xed,
0x03, 0xff, 0x3c, 0x1b, 0x78, 0x60, 0xf6, 0xde,
0x76, 0xd4, 0xce, 0xcd, 0x94, 0xc8, 0x11, 0x98,
0x55, 0xef, 0x52, 0x97, 0xca, 0x67, 0xe9, 0xf3,
0xe7, 0xff, 0x72, 0xb1, 0xe9, 0x97, 0x85, 0xca,
0x0a, 0x7e, 0x77, 0x20, 0xc5, 0xb3, 0x6d, 0xc6,
0xd7, 0x2c, 0xac, 0x95, 0x74, 0xc8, 0xcb, 0xbc,
0x2f, 0x80, 0x1e, 0x23, 0xe5, 0x6f, 0xd3, 0x44,
0xb0, 0x7f, 0x22, 0x15, 0x4b, 0xeb, 0xa0, 0xf0,
0x8c, 0xe8, 0x89, 0x1e, 0x64, 0x3e, 0xd9, 0x95,
0xc9, 0x4d, 0x9a, 0x69, 0xc9, 0xf1, 0xb5, 0xf4,
0x99, 0x02, 0x7a, 0x78, 0x57, 0x2a, 0xee, 0xbd,
0x74, 0xd2, 0x0c, 0xc3, 0x98, 0x81, 0xc2, 0x13,
0xee, 0x77, 0x0b, 0x10, 0x10, 0xe4, 0xbe, 0xa7,
0x18, 0x84, 0x69, 0x77, 0xae, 0x11, 0x9f, 0x7a,
0x02, 0x3a, 0xb5, 0x8c, 0xca, 0x0a, 0xd7, 0x52,
0xaf, 0xe6, 0x56, 0xbb, 0x3c, 0x17, 0x25, 0x6a,
0x9f, 0x6e, 0x9b, 0xf1, 0x9f, 0xdd, 0x5a, 0x38,
0xfc, 0x82, 0xbb, 0xe8, 0x72, 0xc5, 0x53, 0x9e,
0xdb, 0x60, 0x9e, 0xf4, 0xf7, 0x9c, 0x20, 0x3e,
0xbb, 0x14, 0x0f, 0x2e, 0x58, 0x3c, 0xb2, 0xad,
0x15, 0xb4, 0xaa, 0x5b, 0x65, 0x50, 0x16, 0xa8,
0x44, 0x92, 0x77, 0xdb, 0xd4, 0x77, 0xef, 0x2c,
0x8d, 0x6c, 0x01, 0x7d, 0xb7, 0x38, 0xb1, 0x8d,
0xeb, 0x4a, 0x42, 0x7d, 0x19, 0x23, 0xce, 0x3f,
0xf2, 0x62, 0x73, 0x57, 0x79, 0xa4, 0x18, 0xf2,
0x0a, 0x28, 0x2d, 0xf9, 0x20, 0x14, 0x7b, 0xea,
0xbe, 0x42, 0x1e, 0xe5, 0x31, 0x9d, 0x05, 0x68,
}
},
/* #7, 32 byte key, 17 byte PTX */
{
"/crypto/xts/t-7-key-32-ptx-17",
32,
{ 0xff, 0xfe, 0xfd, 0xfc, 0xfb, 0xfa, 0xf9, 0xf8,
0xf7, 0xf6, 0xf5, 0xf4, 0xf3, 0xf2, 0xf1, 0xf0 },
{ 0xbf, 0xbe, 0xbd, 0xbc, 0xbb, 0xba, 0xb9, 0xb8,
0xb7, 0xb6, 0xb5, 0xb4, 0xb3, 0xb2, 0xb1, 0xb0 },
0x123456789aLL,
17,
{ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10 },
{ 0x6c, 0x16, 0x25, 0xdb, 0x46, 0x71, 0x52, 0x2d,
0x3d, 0x75, 0x99, 0x60, 0x1d, 0xe7, 0xca, 0x09, 0xed },
},
/* #15, 32 byte key, 25 byte PTX */
{
"/crypto/xts/t-15-key-32-ptx-25",
32,
{ 0xff, 0xfe, 0xfd, 0xfc, 0xfb, 0xfa, 0xf9, 0xf8,
0xf7, 0xf6, 0xf5, 0xf4, 0xf3, 0xf2, 0xf1, 0xf0 },
{ 0xbf, 0xbe, 0xbd, 0xbc, 0xbb, 0xba, 0xb9, 0xb8,
0xb7, 0xb6, 0xb5, 0xb4, 0xb3, 0xb2, 0xb1, 0xb0 },
0x123456789aLL,
25,
{ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18 },
{ 0x8f, 0x4d, 0xcb, 0xad, 0x55, 0x55, 0x8d, 0x7b,
0x4e, 0x01, 0xd9, 0x37, 0x9c, 0xd4, 0xea, 0x22,
0xed, 0xbf, 0x9d, 0xac, 0xe4, 0x5d, 0x6f, 0x6a, 0x73 },
},
/* #21, 32 byte key, 31 byte PTX */
{
"/crypto/xts/t-21-key-32-ptx-31",
32,
{ 0xff, 0xfe, 0xfd, 0xfc, 0xfb, 0xfa, 0xf9, 0xf8,
0xf7, 0xf6, 0xf5, 0xf4, 0xf3, 0xf2, 0xf1, 0xf0 },
{ 0xbf, 0xbe, 0xbd, 0xbc, 0xbb, 0xba, 0xb9, 0xb8,
0xb7, 0xb6, 0xb5, 0xb4, 0xb3, 0xb2, 0xb1, 0xb0 },
0x123456789aLL,
31,
{ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e },
{ 0xd0, 0x5b, 0xc0, 0x90, 0xa8, 0xe0, 0x4f, 0x1b,
0x3d, 0x3e, 0xcd, 0xd5, 0xba, 0xec, 0x0f, 0xd4,
0xed, 0xbf, 0x9d, 0xac, 0xe4, 0x5d, 0x6f, 0x6a,
0x73, 0x06, 0xe6, 0x4b, 0xe5, 0xdd, 0x82 },
},
};
#define STORE64L(x, y) \
do { \
(y)[7] = (unsigned char)(((x) >> 56) & 255); \
(y)[6] = (unsigned char)(((x) >> 48) & 255); \
(y)[5] = (unsigned char)(((x) >> 40) & 255); \
(y)[4] = (unsigned char)(((x) >> 32) & 255); \
(y)[3] = (unsigned char)(((x) >> 24) & 255); \
(y)[2] = (unsigned char)(((x) >> 16) & 255); \
(y)[1] = (unsigned char)(((x) >> 8) & 255); \
(y)[0] = (unsigned char)((x) & 255); \
} while (0)
struct TestAES {
AES_KEY enc;
AES_KEY dec;
};
static void test_xts_aes_encrypt(const void *ctx,
size_t length,
uint8_t *dst,
const uint8_t *src)
{
const struct TestAES *aesctx = ctx;
AES_encrypt(src, dst, &aesctx->enc);
}
static void test_xts_aes_decrypt(const void *ctx,
size_t length,
uint8_t *dst,
const uint8_t *src)
{
const struct TestAES *aesctx = ctx;
AES_decrypt(src, dst, &aesctx->dec);
}
static void test_xts(const void *opaque)
{
const QCryptoXTSTestData *data = opaque;
uint8_t out[512], Torg[16], T[16];
uint64_t seq;
struct TestAES aesdata;
struct TestAES aestweak;
AES_set_encrypt_key(data->key1, data->keylen / 2 * 8, &aesdata.enc);
AES_set_decrypt_key(data->key1, data->keylen / 2 * 8, &aesdata.dec);
AES_set_encrypt_key(data->key2, data->keylen / 2 * 8, &aestweak.enc);
AES_set_decrypt_key(data->key2, data->keylen / 2 * 8, &aestweak.dec);
seq = data->seqnum;
STORE64L(seq, Torg);
memset(Torg + 8, 0, 8);
memcpy(T, Torg, sizeof(T));
xts_encrypt(&aesdata, &aestweak,
test_xts_aes_encrypt,
test_xts_aes_decrypt,
T, data->PTLEN, out, data->PTX);
g_assert(memcmp(out, data->CTX, data->PTLEN) == 0);
memcpy(T, Torg, sizeof(T));
xts_decrypt(&aesdata, &aestweak,
test_xts_aes_encrypt,
test_xts_aes_decrypt,
T, data->PTLEN, out, data->CTX);
g_assert(memcmp(out, data->PTX, data->PTLEN) == 0);
}
static void test_xts_split(const void *opaque)
{
const QCryptoXTSTestData *data = opaque;
uint8_t out[512], Torg[16], T[16];
uint64_t seq;
unsigned long len = data->PTLEN / 2;
struct TestAES aesdata;
struct TestAES aestweak;
AES_set_encrypt_key(data->key1, data->keylen / 2 * 8, &aesdata.enc);
AES_set_decrypt_key(data->key1, data->keylen / 2 * 8, &aesdata.dec);
AES_set_encrypt_key(data->key2, data->keylen / 2 * 8, &aestweak.enc);
AES_set_decrypt_key(data->key2, data->keylen / 2 * 8, &aestweak.dec);
seq = data->seqnum;
STORE64L(seq, Torg);
memset(Torg + 8, 0, 8);
memcpy(T, Torg, sizeof(T));
xts_encrypt(&aesdata, &aestweak,
test_xts_aes_encrypt,
test_xts_aes_decrypt,
T, len, out, data->PTX);
xts_encrypt(&aesdata, &aestweak,
test_xts_aes_encrypt,
test_xts_aes_decrypt,
T, len, &out[len], &data->PTX[len]);
g_assert(memcmp(out, data->CTX, data->PTLEN) == 0);
memcpy(T, Torg, sizeof(T));
xts_decrypt(&aesdata, &aestweak,
test_xts_aes_encrypt,
test_xts_aes_decrypt,
T, len, out, data->CTX);
xts_decrypt(&aesdata, &aestweak,
test_xts_aes_encrypt,
test_xts_aes_decrypt,
T, len, &out[len], &data->CTX[len]);
g_assert(memcmp(out, data->PTX, data->PTLEN) == 0);
}
static void test_xts_unaligned(const void *opaque)
{
#define BAD_ALIGN 3
const QCryptoXTSTestData *data = opaque;
uint8_t in[512 + BAD_ALIGN], out[512 + BAD_ALIGN];
uint8_t Torg[16], T[16 + BAD_ALIGN];
uint64_t seq;
struct TestAES aesdata;
struct TestAES aestweak;
AES_set_encrypt_key(data->key1, data->keylen / 2 * 8, &aesdata.enc);
AES_set_decrypt_key(data->key1, data->keylen / 2 * 8, &aesdata.dec);
AES_set_encrypt_key(data->key2, data->keylen / 2 * 8, &aestweak.enc);
AES_set_decrypt_key(data->key2, data->keylen / 2 * 8, &aestweak.dec);
seq = data->seqnum;
STORE64L(seq, Torg);
memset(Torg + 8, 0, 8);
/* IV not aligned */
memcpy(T + BAD_ALIGN, Torg, 16);
memcpy(in, data->PTX, data->PTLEN);
xts_encrypt(&aesdata, &aestweak,
test_xts_aes_encrypt,
test_xts_aes_decrypt,
T + BAD_ALIGN, data->PTLEN, out, in);
g_assert(memcmp(out, data->CTX, data->PTLEN) == 0);
/* plain text not aligned */
memcpy(T, Torg, 16);
memcpy(in + BAD_ALIGN, data->PTX, data->PTLEN);
xts_encrypt(&aesdata, &aestweak,
test_xts_aes_encrypt,
test_xts_aes_decrypt,
T, data->PTLEN, out, in + BAD_ALIGN);
g_assert(memcmp(out, data->CTX, data->PTLEN) == 0);
/* cipher text not aligned */
memcpy(T, Torg, 16);
memcpy(in, data->PTX, data->PTLEN);
xts_encrypt(&aesdata, &aestweak,
test_xts_aes_encrypt,
test_xts_aes_decrypt,
T, data->PTLEN, out + BAD_ALIGN, in);
g_assert(memcmp(out + BAD_ALIGN, data->CTX, data->PTLEN) == 0);
/* IV not aligned */
memcpy(T + BAD_ALIGN, Torg, 16);
memcpy(in, data->CTX, data->PTLEN);
xts_decrypt(&aesdata, &aestweak,
test_xts_aes_encrypt,
test_xts_aes_decrypt,
T + BAD_ALIGN, data->PTLEN, out, in);
g_assert(memcmp(out, data->PTX, data->PTLEN) == 0);
/* cipher text not aligned */
memcpy(T, Torg, 16);
memcpy(in + BAD_ALIGN, data->CTX, data->PTLEN);
xts_decrypt(&aesdata, &aestweak,
test_xts_aes_encrypt,
test_xts_aes_decrypt,
T, data->PTLEN, out, in + BAD_ALIGN);
g_assert(memcmp(out, data->PTX, data->PTLEN) == 0);
/* plain text not aligned */
memcpy(T, Torg, 16);
memcpy(in, data->CTX, data->PTLEN);
xts_decrypt(&aesdata, &aestweak,
test_xts_aes_encrypt,
test_xts_aes_decrypt,
T, data->PTLEN, out + BAD_ALIGN, in);
g_assert(memcmp(out + BAD_ALIGN, data->PTX, data->PTLEN) == 0);
}
int main(int argc, char **argv)
{
size_t i;
g_test_init(&argc, &argv, NULL);
g_assert(qcrypto_init(NULL) == 0);
for (i = 0; i < G_N_ELEMENTS(test_data); i++) {
gchar *path = g_strdup_printf("%s/basic", test_data[i].path);
g_test_add_data_func(path, &test_data[i], test_xts);
g_free(path);
/* skip the cases where the length is smaller than 2*blocklen
* or the length is not a multiple of 32
*/
if ((test_data[i].PTLEN >= 32) && !(test_data[i].PTLEN % 32)) {
path = g_strdup_printf("%s/split", test_data[i].path);
g_test_add_data_func(path, &test_data[i], test_xts_split);
g_free(path);
}
path = g_strdup_printf("%s/unaligned", test_data[i].path);
g_test_add_data_func(path, &test_data[i], test_xts_unaligned);
g_free(path);
}
return g_test_run();
}
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