crypto: import an implementation of the XTS cipher mode
The XTS (XEX with tweaked-codebook and ciphertext stealing) cipher mode is commonly used in full disk encryption. There is unfortunately no implementation of it in either libgcrypt or nettle, so we need to provide our own. The libtomcrypt project provides a repository of crypto algorithms under a choice of either "public domain" or the "what the fuck public license". So this impl is taken from the libtomcrypt GIT repo and adapted to be compatible with the way we need to call ciphers provided by nettle/gcrypt. Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
This commit is contained in:
Daniel P. Berrange
parent
50f6753e27
commit
84f7f180b0
@ -18,6 +18,7 @@ crypto-obj-y += ivgen-essiv.o
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crypto-obj-y += ivgen-plain.o
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crypto-obj-y += ivgen-plain.o
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crypto-obj-y += ivgen-plain64.o
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crypto-obj-y += ivgen-plain64.o
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crypto-obj-y += afsplit.o
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crypto-obj-y += afsplit.o
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crypto-obj-y += xts.o
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# Let the userspace emulators avoid linking gnutls/etc
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# Let the userspace emulators avoid linking gnutls/etc
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crypto-aes-obj-y = aes.o
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crypto-aes-obj-y = aes.o
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230
crypto/xts.c
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230
crypto/xts.c
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@ -0,0 +1,230 @@
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/*
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* QEMU Crypto XTS cipher mode
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*
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* Copyright (c) 2015-2016 Red Hat, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, see <http://www.gnu.org/licenses/>.
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*
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* This code is originally derived from public domain / WTFPL code in
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* LibTomCrypt crytographic library http://libtom.org. The XTS code
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* was donated by Elliptic Semiconductor Inc (www.ellipticsemi.com)
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* to the LibTom Projects
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*
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*/
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#include "qemu/osdep.h"
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#include "crypto/xts.h"
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static void xts_mult_x(uint8_t *I)
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{
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int x;
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uint8_t t, tt;
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for (x = t = 0; x < 16; x++) {
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tt = I[x] >> 7;
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I[x] = ((I[x] << 1) | t) & 0xFF;
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t = tt;
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}
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if (tt) {
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I[0] ^= 0x87;
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}
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}
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/**
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* xts_tweak_uncrypt:
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* @param ctxt: the cipher context
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* @param func: the cipher function
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* @src: buffer providing the cipher text of XTS_BLOCK_SIZE bytes
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* @dst: buffer to output the plain text of XTS_BLOCK_SIZE bytes
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* @iv: the initialization vector tweak of XTS_BLOCK_SIZE bytes
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*
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* Decrypt data with a tweak
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*/
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static void xts_tweak_decrypt(const void *ctx,
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xts_cipher_func *func,
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const uint8_t *src,
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uint8_t *dst,
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uint8_t *iv)
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{
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unsigned long x;
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/* tweak encrypt block i */
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for (x = 0; x < XTS_BLOCK_SIZE; x++) {
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dst[x] = src[x] ^ iv[x];
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}
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func(ctx, XTS_BLOCK_SIZE, dst, dst);
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for (x = 0; x < XTS_BLOCK_SIZE; x++) {
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dst[x] = dst[x] ^ iv[x];
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}
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/* LFSR the tweak */
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xts_mult_x(iv);
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}
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void xts_decrypt(const void *datactx,
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const void *tweakctx,
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xts_cipher_func *encfunc,
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xts_cipher_func *decfunc,
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uint8_t *iv,
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size_t length,
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uint8_t *dst,
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const uint8_t *src)
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{
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uint8_t PP[XTS_BLOCK_SIZE], CC[XTS_BLOCK_SIZE], T[XTS_BLOCK_SIZE];
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unsigned long i, m, mo, lim;
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/* get number of blocks */
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m = length >> 4;
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mo = length & 15;
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/* must have at least one full block */
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g_assert(m != 0);
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if (mo == 0) {
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lim = m;
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} else {
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lim = m - 1;
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}
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/* encrypt the iv */
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encfunc(tweakctx, XTS_BLOCK_SIZE, T, iv);
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for (i = 0; i < lim; i++) {
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xts_tweak_decrypt(datactx, decfunc, src, dst, T);
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src += XTS_BLOCK_SIZE;
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dst += XTS_BLOCK_SIZE;
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}
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/* if length is not a multiple of XTS_BLOCK_SIZE then */
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if (mo > 0) {
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memcpy(CC, T, XTS_BLOCK_SIZE);
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xts_mult_x(CC);
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/* PP = tweak decrypt block m-1 */
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xts_tweak_decrypt(datactx, decfunc, src, PP, CC);
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/* Pm = first length % XTS_BLOCK_SIZE bytes of PP */
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for (i = 0; i < mo; i++) {
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CC[i] = src[XTS_BLOCK_SIZE + i];
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dst[XTS_BLOCK_SIZE + i] = PP[i];
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}
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for (; i < XTS_BLOCK_SIZE; i++) {
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CC[i] = PP[i];
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}
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/* Pm-1 = Tweak uncrypt CC */
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xts_tweak_decrypt(datactx, decfunc, CC, dst, T);
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}
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/* Decrypt the iv back */
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decfunc(tweakctx, XTS_BLOCK_SIZE, iv, T);
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}
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/**
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* xts_tweak_crypt:
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* @param ctxt: the cipher context
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* @param func: the cipher function
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* @src: buffer providing the plain text of XTS_BLOCK_SIZE bytes
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* @dst: buffer to output the cipher text of XTS_BLOCK_SIZE bytes
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* @iv: the initialization vector tweak of XTS_BLOCK_SIZE bytes
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*
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* Encrypt data with a tweak
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*/
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static void xts_tweak_encrypt(const void *ctx,
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xts_cipher_func *func,
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const uint8_t *src,
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uint8_t *dst,
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uint8_t *iv)
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{
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unsigned long x;
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/* tweak encrypt block i */
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for (x = 0; x < XTS_BLOCK_SIZE; x++) {
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dst[x] = src[x] ^ iv[x];
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}
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func(ctx, XTS_BLOCK_SIZE, dst, dst);
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for (x = 0; x < XTS_BLOCK_SIZE; x++) {
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dst[x] = dst[x] ^ iv[x];
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}
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/* LFSR the tweak */
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xts_mult_x(iv);
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}
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void xts_encrypt(const void *datactx,
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const void *tweakctx,
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xts_cipher_func *encfunc,
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xts_cipher_func *decfunc,
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uint8_t *iv,
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size_t length,
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uint8_t *dst,
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const uint8_t *src)
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{
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uint8_t PP[XTS_BLOCK_SIZE], CC[XTS_BLOCK_SIZE], T[XTS_BLOCK_SIZE];
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unsigned long i, m, mo, lim;
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/* get number of blocks */
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m = length >> 4;
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mo = length & 15;
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/* must have at least one full block */
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g_assert(m != 0);
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if (mo == 0) {
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lim = m;
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} else {
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lim = m - 1;
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}
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/* encrypt the iv */
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encfunc(tweakctx, XTS_BLOCK_SIZE, T, iv);
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for (i = 0; i < lim; i++) {
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xts_tweak_encrypt(datactx, encfunc, src, dst, T);
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dst += XTS_BLOCK_SIZE;
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src += XTS_BLOCK_SIZE;
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}
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/* if length is not a multiple of XTS_BLOCK_SIZE then */
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if (mo > 0) {
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/* CC = tweak encrypt block m-1 */
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xts_tweak_encrypt(datactx, encfunc, src, CC, T);
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/* Cm = first length % XTS_BLOCK_SIZE bytes of CC */
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for (i = 0; i < mo; i++) {
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PP[i] = src[XTS_BLOCK_SIZE + i];
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dst[XTS_BLOCK_SIZE + i] = CC[i];
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}
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for (; i < XTS_BLOCK_SIZE; i++) {
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PP[i] = CC[i];
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}
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/* Cm-1 = Tweak encrypt PP */
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xts_tweak_encrypt(datactx, encfunc, PP, dst, T);
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}
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/* Decrypt the iv back */
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decfunc(tweakctx, XTS_BLOCK_SIZE, iv, T);
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}
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86
include/crypto/xts.h
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86
include/crypto/xts.h
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@ -0,0 +1,86 @@
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/*
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* QEMU Crypto XTS cipher mode
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*
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* Copyright (c) 2015-2016 Red Hat, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, see <http://www.gnu.org/licenses/>.
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*
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* This code is originally derived from public domain / WTFPL code in
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* LibTomCrypt crytographic library http://libtom.org. The XTS code
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* was donated by Elliptic Semiconductor Inc (www.ellipticsemi.com)
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* to the LibTom Projects
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*
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*/
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#ifndef QCRYPTO_XTS_H_
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#define QCRYPTO_XTS_H_
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#include "qemu-common.h"
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#include "qapi/error.h"
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#define XTS_BLOCK_SIZE 16
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typedef void xts_cipher_func(const void *ctx,
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size_t length,
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uint8_t *dst,
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const uint8_t *src);
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/**
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* xts_decrypt:
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* @datactx: the cipher context for data decryption
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* @tweakctx: the cipher context for tweak decryption
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* @encfunc: the cipher function for encryption
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* @decfunc: the cipher function for decryption
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* @iv: the initialization vector tweak of XTS_BLOCK_SIZE bytes
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* @length: the length of @dst and @src
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* @dst: buffer to hold the decrypted plaintext
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* @src: buffer providing the ciphertext
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*
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* Decrypts @src into @dst
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*/
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void xts_decrypt(const void *datactx,
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const void *tweakctx,
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xts_cipher_func *encfunc,
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xts_cipher_func *decfunc,
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uint8_t *iv,
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size_t length,
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uint8_t *dst,
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const uint8_t *src);
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/**
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* xts_decrypt:
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* @datactx: the cipher context for data encryption
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* @tweakctx: the cipher context for tweak encryption
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* @encfunc: the cipher function for encryption
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* @decfunc: the cipher function for decryption
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* @iv: the initialization vector tweak of XTS_BLOCK_SIZE bytes
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* @length: the length of @dst and @src
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* @dst: buffer to hold the encrypted ciphertext
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* @src: buffer providing the plaintext
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*
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* Decrypts @src into @dst
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*/
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void xts_encrypt(const void *datactx,
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const void *tweakctx,
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xts_cipher_func *encfunc,
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xts_cipher_func *decfunc,
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uint8_t *iv,
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size_t length,
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uint8_t *dst,
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const uint8_t *src);
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#endif /* QCRYPTO_XTS_H_ */
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1
tests/.gitignore
vendored
1
tests/.gitignore
vendored
@ -25,6 +25,7 @@ test-crypto-tlssession
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test-crypto-tlssession-work/
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test-crypto-tlssession-work/
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test-crypto-tlssession-client/
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test-crypto-tlssession-client/
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test-crypto-tlssession-server/
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test-crypto-tlssession-server/
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test-crypto-xts
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test-cutils
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test-cutils
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test-hbitmap
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test-hbitmap
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test-int128
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test-int128
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@ -95,6 +95,7 @@ check-unit-y += tests/test-base64$(EXESUF)
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check-unit-$(if $(CONFIG_NETTLE),y,$(CONFIG_GCRYPT_KDF)) += tests/test-crypto-pbkdf$(EXESUF)
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check-unit-$(if $(CONFIG_NETTLE),y,$(CONFIG_GCRYPT_KDF)) += tests/test-crypto-pbkdf$(EXESUF)
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check-unit-y += tests/test-crypto-ivgen$(EXESUF)
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check-unit-y += tests/test-crypto-ivgen$(EXESUF)
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check-unit-y += tests/test-crypto-afsplit$(EXESUF)
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check-unit-y += tests/test-crypto-afsplit$(EXESUF)
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check-unit-y += tests/test-crypto-xts$(EXESUF)
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check-block-$(CONFIG_POSIX) += tests/qemu-iotests-quick.sh
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check-block-$(CONFIG_POSIX) += tests/qemu-iotests-quick.sh
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@ -475,6 +476,7 @@ tests/test-bitops$(EXESUF): tests/test-bitops.o $(test-util-obj-y)
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tests/test-crypto-hash$(EXESUF): tests/test-crypto-hash.o $(test-crypto-obj-y)
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tests/test-crypto-hash$(EXESUF): tests/test-crypto-hash.o $(test-crypto-obj-y)
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tests/test-crypto-cipher$(EXESUF): tests/test-crypto-cipher.o $(test-crypto-obj-y)
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tests/test-crypto-cipher$(EXESUF): tests/test-crypto-cipher.o $(test-crypto-obj-y)
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tests/test-crypto-secret$(EXESUF): tests/test-crypto-secret.o $(test-crypto-obj-y)
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tests/test-crypto-secret$(EXESUF): tests/test-crypto-secret.o $(test-crypto-obj-y)
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tests/test-crypto-xts$(EXESUF): tests/test-crypto-xts.o $(test-crypto-obj-y)
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tests/crypto-tls-x509-helpers.o-cflags := $(TASN1_CFLAGS)
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tests/crypto-tls-x509-helpers.o-cflags := $(TASN1_CFLAGS)
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tests/crypto-tls-x509-helpers.o-libs := $(TASN1_LIBS)
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tests/crypto-tls-x509-helpers.o-libs := $(TASN1_LIBS)
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423
tests/test-crypto-xts.c
Normal file
423
tests/test-crypto-xts.c
Normal file
@ -0,0 +1,423 @@
|
|||||||
|
/*
|
||||||
|
* 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 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;
|
||||||
|
unsigned char OUT[512], Torg[16], T[16];
|
||||||
|
uint64_t seq;
|
||||||
|
int j;
|
||||||
|
unsigned long len;
|
||||||
|
struct TestAES aesdata;
|
||||||
|
struct TestAES aestweak;
|
||||||
|
|
||||||
|
for (j = 0; j < 2; j++) {
|
||||||
|
/* skip the cases where
|
||||||
|
* the length is smaller than 2*blocklen
|
||||||
|
* or the length is not a multiple of 32
|
||||||
|
*/
|
||||||
|
if ((j == 1) && ((data->PTLEN < 32) || (data->PTLEN % 32))) {
|
||||||
|
continue;
|
||||||
|
}
|
||||||
|
len = data->PTLEN / 2;
|
||||||
|
|
||||||
|
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));
|
||||||
|
if (j == 0) {
|
||||||
|
xts_encrypt(&aesdata, &aestweak,
|
||||||
|
test_xts_aes_encrypt,
|
||||||
|
test_xts_aes_decrypt,
|
||||||
|
T, data->PTLEN, OUT, data->PTX);
|
||||||
|
} else {
|
||||||
|
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));
|
||||||
|
if (j == 0) {
|
||||||
|
xts_decrypt(&aesdata, &aestweak,
|
||||||
|
test_xts_aes_encrypt,
|
||||||
|
test_xts_aes_decrypt,
|
||||||
|
T, data->PTLEN, OUT, data->CTX);
|
||||||
|
} else {
|
||||||
|
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);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
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++) {
|
||||||
|
g_test_add_data_func(test_data[i].path, &test_data[i], test_xts);
|
||||||
|
}
|
||||||
|
|
||||||
|
return g_test_run();
|
||||||
|
}
|
||||||
Loading…
Reference in New Issue
Block a user