riscv
/
qemu
mirror of https://gitea.goldendeliverer.com/riscv/qemu.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity
Browse Source

crypto: drop in-tree XTS cipher mode impl 

nettle included XTS in 3.4.1, so with the new min version we
no longer require the in-tree XTS cipher mode impl.

Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
pull/307/head
Daniel P. Berrangé 9 months ago
parent
4811ad2be9
commit
167194d087
7 changed files with 0 additions and 919 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 44
      crypto/cipher-nettle.c.inc
  2. 3
      crypto/meson.build
  3. 250
      crypto/xts.c
  4. 82
      include/crypto/xts.h
  5. 8
      meson.build
  6. 3
      tests/unit/meson.build
  7. 529
      tests/unit/test-crypto-xts.c

44
crypto/cipher-nettle.c.inc
View File

@ -18,10 +18,6 @@
*
*/
#ifdef CONFIG_QEMU_PRIVATE_XTS
#include "crypto/xts.h"
#endif
#include <nettle/nettle-types.h>
#include <nettle/aes.h>
#include <nettle/des.h>
@ -30,9 +26,7 @@
#include <nettle/serpent.h>
#include <nettle/twofish.h>
#include <nettle/ctr.h>
#ifndef CONFIG_QEMU_PRIVATE_XTS
#include <nettle/xts.h>
#endif
#ifdef CONFIG_CRYPTO_SM4
#include <nettle/sm4.h>
#endif
@ -154,43 +148,6 @@ static const struct QCryptoCipherDriver NAME##_driver_ctr = { \
};
#ifdef CONFIG_QEMU_PRIVATE_XTS
#define DEFINE__XTS(NAME, TYPE, BLEN, ENCRYPT, DECRYPT) \
static void NAME##_xts_wrape(const void *ctx, size_t length, \
uint8_t *dst, const uint8_t *src) \
{ \
ENCRYPT((const void *)ctx, length, dst, src); \
} \
static void NAME##_xts_wrapd(const void *ctx, size_t length, \
uint8_t *dst, const uint8_t *src) \
{ \
DECRYPT((const void *)ctx, length, dst, src); \
} \
static int NAME##_encrypt_xts(QCryptoCipher *cipher, const void *in, \
void *out, size_t len, Error **errp) \
{ \
TYPE *ctx = container_of(cipher, TYPE, base); \
if (!qcrypto_length_check(len, BLEN, errp)) { \
return -1; \
} \
xts_encrypt(&ctx->key, &ctx->key_xts, \
NAME##_xts_wrape, NAME##_xts_wrapd, \
ctx->iv, len, out, in); \
return 0; \
} \
static int NAME##_decrypt_xts(QCryptoCipher *cipher, const void *in, \
void *out, size_t len, Error **errp) \
{ \
TYPE *ctx = container_of(cipher, TYPE, base); \
if (!qcrypto_length_check(len, BLEN, errp)) { \
return -1; \
} \
xts_decrypt(&ctx->key, &ctx->key_xts, \
NAME##_xts_wrape, NAME##_xts_wrapd, \
ctx->iv, len, out, in); \
return 0; \
}
#else
#define DEFINE__XTS(NAME, TYPE, BLEN, ENCRYPT, DECRYPT) \
static int NAME##_encrypt_xts(QCryptoCipher *cipher, const void *in, \
void *out, size_t len, Error **errp) \
@ -214,7 +171,6 @@ static int NAME##_decrypt_xts(QCryptoCipher *cipher, const void *in, \
ctx->iv, len, out, in); \
return 0; \
}
#endif
#define DEFINE_XTS(NAME, TYPE, BLEN, ENCRYPT, DECRYPT) \
QEMU_BUILD_BUG_ON(BLEN != XTS_BLOCK_SIZE); \

3
crypto/meson.build
View File

@ -33,9 +33,6 @@ if nettle.found()
if hogweed.found()
crypto_ss.add(gmp, hogweed)
endif
if xts == 'private'
crypto_ss.add(files('xts.c'))
endif
elif gcrypt.found()
crypto_ss.add(gcrypt, files('hash-gcrypt.c', 'hmac-gcrypt.c', 'pbkdf-gcrypt.c'))
elif gnutls.found()

250
crypto/xts.c
View File

@ -1,250 +0,0 @@
/*
* QEMU Crypto XTS cipher mode
*
* Copyright (c) 2015-2016 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 2.1 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 "qemu/bswap.h"
#include "crypto/xts.h"
typedef union {
uint8_t b[XTS_BLOCK_SIZE];
uint64_t u[2];
} xts_uint128;
static inline void xts_uint128_xor(xts_uint128 *D,
const xts_uint128 *S1,
const xts_uint128 *S2)
{
D->u[0] = S1->u[0] ^ S2->u[0];
D->u[1] = S1->u[1] ^ S2->u[1];
}
static inline void xts_uint128_cpu_to_les(xts_uint128 *v)
{
cpu_to_le64s(&v->u[0]);
cpu_to_le64s(&v->u[1]);
}
static inline void xts_uint128_le_to_cpus(xts_uint128 *v)
{
le64_to_cpus(&v->u[0]);
le64_to_cpus(&v->u[1]);
}
static void xts_mult_x(xts_uint128 *I)
{
uint64_t tt;
xts_uint128_le_to_cpus(I);
tt = I->u[0] >> 63;
I->u[0] <<= 1;
if (I->u[1] >> 63) {
I->u[0] ^= 0x87;
}
I->u[1] <<= 1;
I->u[1] |= tt;
xts_uint128_cpu_to_les(I);
}
/**
* xts_tweak_encdec:
* @param ctxt: the cipher context
* @param func: the cipher function
* @src: buffer providing the input text of XTS_BLOCK_SIZE bytes
* @dst: buffer to output the output text of XTS_BLOCK_SIZE bytes
* @iv: the initialization vector tweak of XTS_BLOCK_SIZE bytes
*
* Encrypt/decrypt data with a tweak
*/
static inline void xts_tweak_encdec(const void *ctx,
xts_cipher_func *func,
const xts_uint128 *src,
xts_uint128 *dst,
xts_uint128 *iv)
{
/* tweak encrypt block i */
xts_uint128_xor(dst, src, iv);
func(ctx, XTS_BLOCK_SIZE, dst->b, dst->b);
xts_uint128_xor(dst, dst, iv);
/* LFSR the tweak */
xts_mult_x(iv);
}
void xts_decrypt(const void *datactx,
const void *tweakctx,
xts_cipher_func *encfunc,
xts_cipher_func *decfunc,
uint8_t *iv,
size_t length,
uint8_t *dst,
const uint8_t *src)
{
xts_uint128 PP, CC, T;
unsigned long i, m, mo, lim;
/* get number of blocks */
m = length >> 4;
mo = length & 15;
/* must have at least one full block */
g_assert(m != 0);
if (mo == 0) {
lim = m;
} else {
lim = m - 1;
}
/* encrypt the iv */
encfunc(tweakctx, XTS_BLOCK_SIZE, T.b, iv);
if (QEMU_PTR_IS_ALIGNED(src, sizeof(uint64_t)) &&
QEMU_PTR_IS_ALIGNED(dst, sizeof(uint64_t))) {
xts_uint128 *S = (xts_uint128 *)src;
xts_uint128 *D = (xts_uint128 *)dst;
for (i = 0; i < lim; i++, S++, D++) {
xts_tweak_encdec(datactx, decfunc, S, D, &T);
}
} else {
xts_uint128 D;
for (i = 0; i < lim; i++) {
memcpy(&D, src, XTS_BLOCK_SIZE);
xts_tweak_encdec(datactx, decfunc, &D, &D, &T);
memcpy(dst, &D, XTS_BLOCK_SIZE);
src += XTS_BLOCK_SIZE;
dst += XTS_BLOCK_SIZE;
}
}
/* if length is not a multiple of XTS_BLOCK_SIZE then */
if (mo > 0) {
xts_uint128 S, D;
memcpy(&CC, &T, XTS_BLOCK_SIZE);
xts_mult_x(&CC);
/* PP = tweak decrypt block m-1 */
memcpy(&S, src, XTS_BLOCK_SIZE);
xts_tweak_encdec(datactx, decfunc, &S, &PP, &CC);
/* Pm = first length % XTS_BLOCK_SIZE bytes of PP */
for (i = 0; i < mo; i++) {
CC.b[i] = src[XTS_BLOCK_SIZE + i];
dst[XTS_BLOCK_SIZE + i] = PP.b[i];
}
for (; i < XTS_BLOCK_SIZE; i++) {
CC.b[i] = PP.b[i];
}
/* Pm-1 = Tweak uncrypt CC */
xts_tweak_encdec(datactx, decfunc, &CC, &D, &T);
memcpy(dst, &D, XTS_BLOCK_SIZE);
}
/* Decrypt the iv back */
decfunc(tweakctx, XTS_BLOCK_SIZE, iv, T.b);
}
void xts_encrypt(const void *datactx,
const void *tweakctx,
xts_cipher_func *encfunc,
xts_cipher_func *decfunc,
uint8_t *iv,
size_t length,
uint8_t *dst,
const uint8_t *src)
{
xts_uint128 PP, CC, T;
unsigned long i, m, mo, lim;
/* get number of blocks */
m = length >> 4;
mo = length & 15;
/* must have at least one full block */
g_assert(m != 0);
if (mo == 0) {
lim = m;
} else {
lim = m - 1;
}
/* encrypt the iv */
encfunc(tweakctx, XTS_BLOCK_SIZE, T.b, iv);
if (QEMU_PTR_IS_ALIGNED(src, sizeof(uint64_t)) &&
QEMU_PTR_IS_ALIGNED(dst, sizeof(uint64_t))) {
xts_uint128 *S = (xts_uint128 *)src;
xts_uint128 *D = (xts_uint128 *)dst;
for (i = 0; i < lim; i++, S++, D++) {
xts_tweak_encdec(datactx, encfunc, S, D, &T);
}
} else {
xts_uint128 D;
for (i = 0; i < lim; i++) {
memcpy(&D, src, XTS_BLOCK_SIZE);
xts_tweak_encdec(datactx, encfunc, &D, &D, &T);
memcpy(dst, &D, XTS_BLOCK_SIZE);
dst += XTS_BLOCK_SIZE;
src += XTS_BLOCK_SIZE;
}
}
/* if length is not a multiple of XTS_BLOCK_SIZE then */
if (mo > 0) {
xts_uint128 S, D;
/* CC = tweak encrypt block m-1 */
memcpy(&S, src, XTS_BLOCK_SIZE);
xts_tweak_encdec(datactx, encfunc, &S, &CC, &T);
/* Cm = first length % XTS_BLOCK_SIZE bytes of CC */
for (i = 0; i < mo; i++) {
PP.b[i] = src[XTS_BLOCK_SIZE + i];
dst[XTS_BLOCK_SIZE + i] = CC.b[i];
}
for (; i < XTS_BLOCK_SIZE; i++) {
PP.b[i] = CC.b[i];
}
/* Cm-1 = Tweak encrypt PP */
xts_tweak_encdec(datactx, encfunc, &PP, &D, &T);
memcpy(dst, &D, XTS_BLOCK_SIZE);
}
/* Decrypt the iv back */
decfunc(tweakctx, XTS_BLOCK_SIZE, iv, T.b);
}

82
include/crypto/xts.h
View File

@ -1,82 +0,0 @@
/*
* QEMU Crypto XTS cipher mode
*
* Copyright (c) 2015-2016 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 2.1 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
*
*/
#ifndef QCRYPTO_XTS_H
#define QCRYPTO_XTS_H
#define XTS_BLOCK_SIZE 16
typedef void xts_cipher_func(const void *ctx,
size_t length,
uint8_t *dst,
const uint8_t *src);
/**
* xts_decrypt:
* @datactx: the cipher context for data decryption
* @tweakctx: the cipher context for tweak decryption
* @encfunc: the cipher function for encryption
* @decfunc: the cipher function for decryption
* @iv: the initialization vector tweak of XTS_BLOCK_SIZE bytes
* @length: the length of @dst and @src
* @dst: buffer to hold the decrypted plaintext
* @src: buffer providing the ciphertext
*
* Decrypts @src into @dst
*/
void xts_decrypt(const void *datactx,
const void *tweakctx,
xts_cipher_func *encfunc,
xts_cipher_func *decfunc,
uint8_t *iv,
size_t length,
uint8_t *dst,
const uint8_t *src);
/**
* xts_decrypt:
* @datactx: the cipher context for data encryption
* @tweakctx: the cipher context for tweak encryption
* @encfunc: the cipher function for encryption
* @decfunc: the cipher function for decryption
* @iv: the initialization vector tweak of XTS_BLOCK_SIZE bytes
* @length: the length of @dst and @src
* @dst: buffer to hold the encrypted ciphertext
* @src: buffer providing the plaintext
*
* Decrypts @src into @dst
*/
void xts_encrypt(const void *datactx,
const void *tweakctx,
xts_cipher_func *encfunc,
xts_cipher_func *decfunc,
uint8_t *iv,
size_t length,
uint8_t *dst,
const uint8_t *src);
#endif /* QCRYPTO_XTS_H */

8
meson.build
View File

@ -1846,7 +1846,6 @@ nettle = not_found
hogweed = not_found
crypto_sm4 = not_found
crypto_sm3 = not_found
xts = 'none'
if get_option('nettle').enabled() and get_option('gcrypt').enabled()
error('Only one of gcrypt & nettle can be enabled')
@ -1872,9 +1871,6 @@ if not gnutls.found()
nettle = dependency('nettle', version: '>=3.7.3',
method: 'pkg-config',
required: get_option('nettle'))
if nettle.found() and not cc.has_header('nettle/xts.h', dependencies: nettle)
xts = 'private'
endif
crypto_sm4 = nettle
# SM4 ALG is available in nettle >= 3.9
if nettle.found() and not cc.links('''
@ -2566,7 +2562,6 @@ config_host_data.set('CONFIG_NETTLE', nettle.found())
config_host_data.set('CONFIG_CRYPTO_SM4', crypto_sm4.found())
config_host_data.set('CONFIG_CRYPTO_SM3', crypto_sm3.found())
config_host_data.set('CONFIG_HOGWEED', hogweed.found())
config_host_data.set('CONFIG_QEMU_PRIVATE_XTS', xts == 'private')
config_host_data.set('CONFIG_MALLOC_TRIM', has_malloc_trim)
config_host_data.set('CONFIG_ZSTD', zstd.found())
config_host_data.set('CONFIG_QPL', qpl.found())
@ -4862,9 +4857,6 @@ if gnutls.found()
endif
summary_info += {'libgcrypt': gcrypt}
summary_info += {'nettle': nettle}
if nettle.found()
summary_info += {' XTS': xts != 'private'}
endif
summary_info += {'SM4 ALG support': crypto_sm4}
summary_info += {'SM3 ALG support': crypto_sm3}
summary_info += {'AF_ALG support': have_afalg}

3
tests/unit/meson.build
View File

@ -110,9 +110,6 @@ if have_block
if pam.found()
tests += {'test-authz-pam': [authz]}
endif
if xts == 'private'
tests += {'test-crypto-xts': [crypto, io]}
endif
if host_os != 'windows'
tests += {
'test-image-locking': [testblock],

529
tests/unit/test-crypto-xts.c
View File

@ -1,529 +0,0 @@
/*
* 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 2.1 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();
}
Write Preview
Loading…
Cancel
Save