1286 lines
42 KiB
Diff
1286 lines
42 KiB
Diff
From d39d4db5d0a3a16436a44b719caf90ccceed43fb Mon Sep 17 00:00:00 2001
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From: Daniel Kopecek <dkopecek@redhat.com>
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Date: Tue, 16 Jul 2019 13:24:03 +0200
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Subject: [PATCH] remove custom AES implementation
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---
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configure.ac | 13 +
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src/Makefile.am | 4 +-
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src/aes.c | 763 -----------------------------------------------
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src/aes.h | 43 ---
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src/genrand.c | 126 +-------
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src/genrand.h | 1 -
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src/scrub.c | 5 -
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test/Makefile.am | 9 +-
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test/aestest.c | 128 --------
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test/t00 | 4 -
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test/t00.exp | 13 -
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11 files changed, 25 insertions(+), 1084 deletions(-)
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delete mode 100644 src/aes.c
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delete mode 100644 src/aes.h
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delete mode 100644 test/aestest.c
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delete mode 100755 test/t00
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delete mode 100644 test/t00.exp
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diff --git a/configure.ac b/configure.ac
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index a588abd..11e80f0 100644
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--- a/configure.ac
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+++ b/configure.ac
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@@ -68,6 +68,19 @@ AC_CHECK_FUNCS( \
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)
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X_AC_CHECK_PTHREADS
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+##
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+# gcrypt library
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+##
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+AM_PATH_LIBGCRYPT([1.5.0],
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+ [AC_DEFINE([HAVE_LIBGCRYPT], [1], [libgcrypt API available])
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+ gcrypt_CFLAGS="$LIBGCRYPT_CFLAGS"
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+ gcrypt_LIBS="$LIBGCRYPT_LIBS"],
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+ [AC_MSG_ERROR(libgcrypt dependency missing!)]
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+)
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+
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+AC_SUBST([gcrypt_CFLAGS])
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+AC_SUBST([gcrypt_LIBS])
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+
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##
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# Arrange for large file support
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##
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diff --git a/src/Makefile.am b/src/Makefile.am
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index 5de0b68..80d8269 100644
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--- a/src/Makefile.am
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+++ b/src/Makefile.am
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@@ -1,8 +1,6 @@
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bin_PROGRAMS = scrub
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scrub_SOURCES = \
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- aes.c \
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- aes.h \
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fextent_apply.c \
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fextent_apply.h \
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filldentry.c \
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@@ -25,4 +23,4 @@ scrub_SOURCES = \
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util.c \
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util.h
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-scrub_LDADD = $(LIBPTHREAD)
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+scrub_LDADD = $(LIBPTHREAD) $(gcrypt_LIBS)
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diff --git a/src/aes.c b/src/aes.c
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deleted file mode 100644
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index 6e53a9d..0000000
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--- a/src/aes.c
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+++ /dev/null
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@@ -1,763 +0,0 @@
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-/*
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- * FIPS-197 compliant AES implementation
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- *
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- * Copyright (C) 2001-2004 Christophe Devine
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License as published by
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- * the Free Software Foundation; either version 2 of the License, or
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- * (at your option) any later version.
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- *
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- * This program 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
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- * GNU General Public License for more details.
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- *
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- * You should have received a copy of the GNU General Public License
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- * along with this program; if not, write to the Free Software
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- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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- */
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-
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-#if HAVE_CONFIG_H
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-#include "config.h"
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-#endif
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-#include "aes.h"
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-
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-/* uncomment the following line to use pre-computed tables */
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-/* otherwise the tables will be generated at the first run */
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-
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-/* #define FIXED_TABLES */
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-
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-#ifndef FIXED_TABLES
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-
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-/* forward S-box & tables */
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-
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-uint32 FSb[256];
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-uint32 FT0[256];
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-uint32 FT1[256];
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-uint32 FT2[256];
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-uint32 FT3[256];
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-
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-/* reverse S-box & tables */
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-
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-uint32 RSb[256];
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-uint32 RT0[256];
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-uint32 RT1[256];
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-uint32 RT2[256];
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-uint32 RT3[256];
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-
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-/* round constants */
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-
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-uint32 RCON[10];
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-
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-/* tables generation flag */
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-
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-int do_init = 1;
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-
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-/* tables generation routine */
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-
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-#define ROTR8(x) ( ( ( x << 24 ) & 0xFFFFFFFF ) | \
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- ( ( x & 0xFFFFFFFF ) >> 8 ) )
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-
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-#define XTIME(x) ( ( x << 1 ) ^ ( ( x & 0x80 ) ? 0x1B : 0x00 ) )
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-#define MUL(x,y) ( ( x && y ) ? pow[(log[x] + log[y]) % 255] : 0 )
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-
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-void aes_gen_tables( void )
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-{
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- int i;
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- uint8 x, y;
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- uint8 pow[256];
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- uint8 log[256];
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-
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- /* compute pow and log tables over GF(2^8) */
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-
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- for( i = 0, x = 1; i < 256; i++, x ^= XTIME( x ) )
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- {
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- pow[i] = x;
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- log[x] = i;
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- }
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-
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- /* calculate the round constants */
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-
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- for( i = 0, x = 1; i < 10; i++, x = XTIME( x ) )
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- {
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- RCON[i] = (uint32) x << 24;
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- }
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-
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- /* generate the forward and reverse S-boxes */
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-
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- FSb[0x00] = 0x63;
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- RSb[0x63] = 0x00;
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-
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- for( i = 1; i < 256; i++ )
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- {
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- x = pow[255 - log[i]];
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-
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- y = x; y = ( y << 1 ) | ( y >> 7 );
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- x ^= y; y = ( y << 1 ) | ( y >> 7 );
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- x ^= y; y = ( y << 1 ) | ( y >> 7 );
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- x ^= y; y = ( y << 1 ) | ( y >> 7 );
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- x ^= y ^ 0x63;
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-
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- FSb[i] = x;
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- RSb[x] = i;
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- }
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-
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- /* generate the forward and reverse tables */
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-
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- for( i = 0; i < 256; i++ )
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- {
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- x = (unsigned char) FSb[i]; y = XTIME( x );
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-
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- FT0[i] = (uint32) ( x ^ y ) ^
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- ( (uint32) x << 8 ) ^
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- ( (uint32) x << 16 ) ^
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- ( (uint32) y << 24 );
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-
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- FT0[i] &= 0xFFFFFFFF;
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-
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- FT1[i] = ROTR8( FT0[i] );
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- FT2[i] = ROTR8( FT1[i] );
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- FT3[i] = ROTR8( FT2[i] );
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-
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- y = (unsigned char) RSb[i];
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-
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- RT0[i] = ( (uint32) MUL( 0x0B, y ) ) ^
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- ( (uint32) MUL( 0x0D, y ) << 8 ) ^
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- ( (uint32) MUL( 0x09, y ) << 16 ) ^
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- ( (uint32) MUL( 0x0E, y ) << 24 );
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-
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- RT0[i] &= 0xFFFFFFFF;
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-
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- RT1[i] = ROTR8( RT0[i] );
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- RT2[i] = ROTR8( RT1[i] );
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- RT3[i] = ROTR8( RT2[i] );
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- }
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-}
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-
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-#else
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-
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-/* forward S-box */
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-
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-static const uint32 FSb[256] =
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-{
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- 0x63, 0x7C, 0x77, 0x7B, 0xF2, 0x6B, 0x6F, 0xC5,
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- 0x30, 0x01, 0x67, 0x2B, 0xFE, 0xD7, 0xAB, 0x76,
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- 0xCA, 0x82, 0xC9, 0x7D, 0xFA, 0x59, 0x47, 0xF0,
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- 0xAD, 0xD4, 0xA2, 0xAF, 0x9C, 0xA4, 0x72, 0xC0,
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- 0xB7, 0xFD, 0x93, 0x26, 0x36, 0x3F, 0xF7, 0xCC,
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- 0x34, 0xA5, 0xE5, 0xF1, 0x71, 0xD8, 0x31, 0x15,
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- 0x04, 0xC7, 0x23, 0xC3, 0x18, 0x96, 0x05, 0x9A,
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- 0x07, 0x12, 0x80, 0xE2, 0xEB, 0x27, 0xB2, 0x75,
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- 0x09, 0x83, 0x2C, 0x1A, 0x1B, 0x6E, 0x5A, 0xA0,
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- 0x52, 0x3B, 0xD6, 0xB3, 0x29, 0xE3, 0x2F, 0x84,
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- 0x53, 0xD1, 0x00, 0xED, 0x20, 0xFC, 0xB1, 0x5B,
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- 0x6A, 0xCB, 0xBE, 0x39, 0x4A, 0x4C, 0x58, 0xCF,
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- 0xD0, 0xEF, 0xAA, 0xFB, 0x43, 0x4D, 0x33, 0x85,
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- 0x45, 0xF9, 0x02, 0x7F, 0x50, 0x3C, 0x9F, 0xA8,
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- 0x51, 0xA3, 0x40, 0x8F, 0x92, 0x9D, 0x38, 0xF5,
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- 0xBC, 0xB6, 0xDA, 0x21, 0x10, 0xFF, 0xF3, 0xD2,
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- 0xCD, 0x0C, 0x13, 0xEC, 0x5F, 0x97, 0x44, 0x17,
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- 0xC4, 0xA7, 0x7E, 0x3D, 0x64, 0x5D, 0x19, 0x73,
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- 0x60, 0x81, 0x4F, 0xDC, 0x22, 0x2A, 0x90, 0x88,
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- 0x46, 0xEE, 0xB8, 0x14, 0xDE, 0x5E, 0x0B, 0xDB,
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- 0xE0, 0x32, 0x3A, 0x0A, 0x49, 0x06, 0x24, 0x5C,
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- 0xC2, 0xD3, 0xAC, 0x62, 0x91, 0x95, 0xE4, 0x79,
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- 0xE7, 0xC8, 0x37, 0x6D, 0x8D, 0xD5, 0x4E, 0xA9,
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- 0x6C, 0x56, 0xF4, 0xEA, 0x65, 0x7A, 0xAE, 0x08,
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- 0xBA, 0x78, 0x25, 0x2E, 0x1C, 0xA6, 0xB4, 0xC6,
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- 0xE8, 0xDD, 0x74, 0x1F, 0x4B, 0xBD, 0x8B, 0x8A,
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- 0x70, 0x3E, 0xB5, 0x66, 0x48, 0x03, 0xF6, 0x0E,
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- 0x61, 0x35, 0x57, 0xB9, 0x86, 0xC1, 0x1D, 0x9E,
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- 0xE1, 0xF8, 0x98, 0x11, 0x69, 0xD9, 0x8E, 0x94,
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- 0x9B, 0x1E, 0x87, 0xE9, 0xCE, 0x55, 0x28, 0xDF,
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- 0x8C, 0xA1, 0x89, 0x0D, 0xBF, 0xE6, 0x42, 0x68,
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- 0x41, 0x99, 0x2D, 0x0F, 0xB0, 0x54, 0xBB, 0x16
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-};
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-
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-/* forward tables */
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-
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-#define FT \
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-\
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- V(C6,63,63,A5), V(F8,7C,7C,84), V(EE,77,77,99), V(F6,7B,7B,8D), \
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- V(FF,F2,F2,0D), V(D6,6B,6B,BD), V(DE,6F,6F,B1), V(91,C5,C5,54), \
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- V(60,30,30,50), V(02,01,01,03), V(CE,67,67,A9), V(56,2B,2B,7D), \
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- V(E7,FE,FE,19), V(B5,D7,D7,62), V(4D,AB,AB,E6), V(EC,76,76,9A), \
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- V(8F,CA,CA,45), V(1F,82,82,9D), V(89,C9,C9,40), V(FA,7D,7D,87), \
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- V(EF,FA,FA,15), V(B2,59,59,EB), V(8E,47,47,C9), V(FB,F0,F0,0B), \
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- V(41,AD,AD,EC), V(B3,D4,D4,67), V(5F,A2,A2,FD), V(45,AF,AF,EA), \
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- V(23,9C,9C,BF), V(53,A4,A4,F7), V(E4,72,72,96), V(9B,C0,C0,5B), \
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- V(75,B7,B7,C2), V(E1,FD,FD,1C), V(3D,93,93,AE), V(4C,26,26,6A), \
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- V(6C,36,36,5A), V(7E,3F,3F,41), V(F5,F7,F7,02), V(83,CC,CC,4F), \
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- V(68,34,34,5C), V(51,A5,A5,F4), V(D1,E5,E5,34), V(F9,F1,F1,08), \
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- V(E2,71,71,93), V(AB,D8,D8,73), V(62,31,31,53), V(2A,15,15,3F), \
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- V(08,04,04,0C), V(95,C7,C7,52), V(46,23,23,65), V(9D,C3,C3,5E), \
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- V(30,18,18,28), V(37,96,96,A1), V(0A,05,05,0F), V(2F,9A,9A,B5), \
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- V(0E,07,07,09), V(24,12,12,36), V(1B,80,80,9B), V(DF,E2,E2,3D), \
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- V(CD,EB,EB,26), V(4E,27,27,69), V(7F,B2,B2,CD), V(EA,75,75,9F), \
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- V(12,09,09,1B), V(1D,83,83,9E), V(58,2C,2C,74), V(34,1A,1A,2E), \
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- V(36,1B,1B,2D), V(DC,6E,6E,B2), V(B4,5A,5A,EE), V(5B,A0,A0,FB), \
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- V(A4,52,52,F6), V(76,3B,3B,4D), V(B7,D6,D6,61), V(7D,B3,B3,CE), \
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- V(52,29,29,7B), V(DD,E3,E3,3E), V(5E,2F,2F,71), V(13,84,84,97), \
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- V(A6,53,53,F5), V(B9,D1,D1,68), V(00,00,00,00), V(C1,ED,ED,2C), \
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- V(40,20,20,60), V(E3,FC,FC,1F), V(79,B1,B1,C8), V(B6,5B,5B,ED), \
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- V(D4,6A,6A,BE), V(8D,CB,CB,46), V(67,BE,BE,D9), V(72,39,39,4B), \
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- V(94,4A,4A,DE), V(98,4C,4C,D4), V(B0,58,58,E8), V(85,CF,CF,4A), \
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- V(BB,D0,D0,6B), V(C5,EF,EF,2A), V(4F,AA,AA,E5), V(ED,FB,FB,16), \
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- V(86,43,43,C5), V(9A,4D,4D,D7), V(66,33,33,55), V(11,85,85,94), \
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- V(8A,45,45,CF), V(E9,F9,F9,10), V(04,02,02,06), V(FE,7F,7F,81), \
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- V(A0,50,50,F0), V(78,3C,3C,44), V(25,9F,9F,BA), V(4B,A8,A8,E3), \
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- V(A2,51,51,F3), V(5D,A3,A3,FE), V(80,40,40,C0), V(05,8F,8F,8A), \
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- V(3F,92,92,AD), V(21,9D,9D,BC), V(70,38,38,48), V(F1,F5,F5,04), \
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- V(63,BC,BC,DF), V(77,B6,B6,C1), V(AF,DA,DA,75), V(42,21,21,63), \
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- V(20,10,10,30), V(E5,FF,FF,1A), V(FD,F3,F3,0E), V(BF,D2,D2,6D), \
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- V(81,CD,CD,4C), V(18,0C,0C,14), V(26,13,13,35), V(C3,EC,EC,2F), \
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- V(BE,5F,5F,E1), V(35,97,97,A2), V(88,44,44,CC), V(2E,17,17,39), \
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- V(93,C4,C4,57), V(55,A7,A7,F2), V(FC,7E,7E,82), V(7A,3D,3D,47), \
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- V(C8,64,64,AC), V(BA,5D,5D,E7), V(32,19,19,2B), V(E6,73,73,95), \
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- V(C0,60,60,A0), V(19,81,81,98), V(9E,4F,4F,D1), V(A3,DC,DC,7F), \
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- V(44,22,22,66), V(54,2A,2A,7E), V(3B,90,90,AB), V(0B,88,88,83), \
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- V(8C,46,46,CA), V(C7,EE,EE,29), V(6B,B8,B8,D3), V(28,14,14,3C), \
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- V(A7,DE,DE,79), V(BC,5E,5E,E2), V(16,0B,0B,1D), V(AD,DB,DB,76), \
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- V(DB,E0,E0,3B), V(64,32,32,56), V(74,3A,3A,4E), V(14,0A,0A,1E), \
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- V(92,49,49,DB), V(0C,06,06,0A), V(48,24,24,6C), V(B8,5C,5C,E4), \
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- V(9F,C2,C2,5D), V(BD,D3,D3,6E), V(43,AC,AC,EF), V(C4,62,62,A6), \
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- V(39,91,91,A8), V(31,95,95,A4), V(D3,E4,E4,37), V(F2,79,79,8B), \
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- V(D5,E7,E7,32), V(8B,C8,C8,43), V(6E,37,37,59), V(DA,6D,6D,B7), \
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- V(01,8D,8D,8C), V(B1,D5,D5,64), V(9C,4E,4E,D2), V(49,A9,A9,E0), \
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- V(D8,6C,6C,B4), V(AC,56,56,FA), V(F3,F4,F4,07), V(CF,EA,EA,25), \
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- V(CA,65,65,AF), V(F4,7A,7A,8E), V(47,AE,AE,E9), V(10,08,08,18), \
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- V(6F,BA,BA,D5), V(F0,78,78,88), V(4A,25,25,6F), V(5C,2E,2E,72), \
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- V(38,1C,1C,24), V(57,A6,A6,F1), V(73,B4,B4,C7), V(97,C6,C6,51), \
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- V(CB,E8,E8,23), V(A1,DD,DD,7C), V(E8,74,74,9C), V(3E,1F,1F,21), \
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- V(96,4B,4B,DD), V(61,BD,BD,DC), V(0D,8B,8B,86), V(0F,8A,8A,85), \
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- V(E0,70,70,90), V(7C,3E,3E,42), V(71,B5,B5,C4), V(CC,66,66,AA), \
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- V(90,48,48,D8), V(06,03,03,05), V(F7,F6,F6,01), V(1C,0E,0E,12), \
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- V(C2,61,61,A3), V(6A,35,35,5F), V(AE,57,57,F9), V(69,B9,B9,D0), \
|
|
- V(17,86,86,91), V(99,C1,C1,58), V(3A,1D,1D,27), V(27,9E,9E,B9), \
|
|
- V(D9,E1,E1,38), V(EB,F8,F8,13), V(2B,98,98,B3), V(22,11,11,33), \
|
|
- V(D2,69,69,BB), V(A9,D9,D9,70), V(07,8E,8E,89), V(33,94,94,A7), \
|
|
- V(2D,9B,9B,B6), V(3C,1E,1E,22), V(15,87,87,92), V(C9,E9,E9,20), \
|
|
- V(87,CE,CE,49), V(AA,55,55,FF), V(50,28,28,78), V(A5,DF,DF,7A), \
|
|
- V(03,8C,8C,8F), V(59,A1,A1,F8), V(09,89,89,80), V(1A,0D,0D,17), \
|
|
- V(65,BF,BF,DA), V(D7,E6,E6,31), V(84,42,42,C6), V(D0,68,68,B8), \
|
|
- V(82,41,41,C3), V(29,99,99,B0), V(5A,2D,2D,77), V(1E,0F,0F,11), \
|
|
- V(7B,B0,B0,CB), V(A8,54,54,FC), V(6D,BB,BB,D6), V(2C,16,16,3A)
|
|
-
|
|
-#define V(a,b,c,d) 0x##a##b##c##d
|
|
-static const uint32 FT0[256] = { FT };
|
|
-#undef V
|
|
-
|
|
-#define V(a,b,c,d) 0x##d##a##b##c
|
|
-static const uint32 FT1[256] = { FT };
|
|
-#undef V
|
|
-
|
|
-#define V(a,b,c,d) 0x##c##d##a##b
|
|
-static const uint32 FT2[256] = { FT };
|
|
-#undef V
|
|
-
|
|
-#define V(a,b,c,d) 0x##b##c##d##a
|
|
-static const uint32 FT3[256] = { FT };
|
|
-#undef V
|
|
-
|
|
-#undef FT
|
|
-
|
|
-/* reverse S-box */
|
|
-
|
|
-static const uint32 RSb[256] =
|
|
-{
|
|
- 0x52, 0x09, 0x6A, 0xD5, 0x30, 0x36, 0xA5, 0x38,
|
|
- 0xBF, 0x40, 0xA3, 0x9E, 0x81, 0xF3, 0xD7, 0xFB,
|
|
- 0x7C, 0xE3, 0x39, 0x82, 0x9B, 0x2F, 0xFF, 0x87,
|
|
- 0x34, 0x8E, 0x43, 0x44, 0xC4, 0xDE, 0xE9, 0xCB,
|
|
- 0x54, 0x7B, 0x94, 0x32, 0xA6, 0xC2, 0x23, 0x3D,
|
|
- 0xEE, 0x4C, 0x95, 0x0B, 0x42, 0xFA, 0xC3, 0x4E,
|
|
- 0x08, 0x2E, 0xA1, 0x66, 0x28, 0xD9, 0x24, 0xB2,
|
|
- 0x76, 0x5B, 0xA2, 0x49, 0x6D, 0x8B, 0xD1, 0x25,
|
|
- 0x72, 0xF8, 0xF6, 0x64, 0x86, 0x68, 0x98, 0x16,
|
|
- 0xD4, 0xA4, 0x5C, 0xCC, 0x5D, 0x65, 0xB6, 0x92,
|
|
- 0x6C, 0x70, 0x48, 0x50, 0xFD, 0xED, 0xB9, 0xDA,
|
|
- 0x5E, 0x15, 0x46, 0x57, 0xA7, 0x8D, 0x9D, 0x84,
|
|
- 0x90, 0xD8, 0xAB, 0x00, 0x8C, 0xBC, 0xD3, 0x0A,
|
|
- 0xF7, 0xE4, 0x58, 0x05, 0xB8, 0xB3, 0x45, 0x06,
|
|
- 0xD0, 0x2C, 0x1E, 0x8F, 0xCA, 0x3F, 0x0F, 0x02,
|
|
- 0xC1, 0xAF, 0xBD, 0x03, 0x01, 0x13, 0x8A, 0x6B,
|
|
- 0x3A, 0x91, 0x11, 0x41, 0x4F, 0x67, 0xDC, 0xEA,
|
|
- 0x97, 0xF2, 0xCF, 0xCE, 0xF0, 0xB4, 0xE6, 0x73,
|
|
- 0x96, 0xAC, 0x74, 0x22, 0xE7, 0xAD, 0x35, 0x85,
|
|
- 0xE2, 0xF9, 0x37, 0xE8, 0x1C, 0x75, 0xDF, 0x6E,
|
|
- 0x47, 0xF1, 0x1A, 0x71, 0x1D, 0x29, 0xC5, 0x89,
|
|
- 0x6F, 0xB7, 0x62, 0x0E, 0xAA, 0x18, 0xBE, 0x1B,
|
|
- 0xFC, 0x56, 0x3E, 0x4B, 0xC6, 0xD2, 0x79, 0x20,
|
|
- 0x9A, 0xDB, 0xC0, 0xFE, 0x78, 0xCD, 0x5A, 0xF4,
|
|
- 0x1F, 0xDD, 0xA8, 0x33, 0x88, 0x07, 0xC7, 0x31,
|
|
- 0xB1, 0x12, 0x10, 0x59, 0x27, 0x80, 0xEC, 0x5F,
|
|
- 0x60, 0x51, 0x7F, 0xA9, 0x19, 0xB5, 0x4A, 0x0D,
|
|
- 0x2D, 0xE5, 0x7A, 0x9F, 0x93, 0xC9, 0x9C, 0xEF,
|
|
- 0xA0, 0xE0, 0x3B, 0x4D, 0xAE, 0x2A, 0xF5, 0xB0,
|
|
- 0xC8, 0xEB, 0xBB, 0x3C, 0x83, 0x53, 0x99, 0x61,
|
|
- 0x17, 0x2B, 0x04, 0x7E, 0xBA, 0x77, 0xD6, 0x26,
|
|
- 0xE1, 0x69, 0x14, 0x63, 0x55, 0x21, 0x0C, 0x7D
|
|
-};
|
|
-
|
|
-/* reverse tables */
|
|
-
|
|
-#define RT \
|
|
-\
|
|
- V(51,F4,A7,50), V(7E,41,65,53), V(1A,17,A4,C3), V(3A,27,5E,96), \
|
|
- V(3B,AB,6B,CB), V(1F,9D,45,F1), V(AC,FA,58,AB), V(4B,E3,03,93), \
|
|
- V(20,30,FA,55), V(AD,76,6D,F6), V(88,CC,76,91), V(F5,02,4C,25), \
|
|
- V(4F,E5,D7,FC), V(C5,2A,CB,D7), V(26,35,44,80), V(B5,62,A3,8F), \
|
|
- V(DE,B1,5A,49), V(25,BA,1B,67), V(45,EA,0E,98), V(5D,FE,C0,E1), \
|
|
- V(C3,2F,75,02), V(81,4C,F0,12), V(8D,46,97,A3), V(6B,D3,F9,C6), \
|
|
- V(03,8F,5F,E7), V(15,92,9C,95), V(BF,6D,7A,EB), V(95,52,59,DA), \
|
|
- V(D4,BE,83,2D), V(58,74,21,D3), V(49,E0,69,29), V(8E,C9,C8,44), \
|
|
- V(75,C2,89,6A), V(F4,8E,79,78), V(99,58,3E,6B), V(27,B9,71,DD), \
|
|
- V(BE,E1,4F,B6), V(F0,88,AD,17), V(C9,20,AC,66), V(7D,CE,3A,B4), \
|
|
- V(63,DF,4A,18), V(E5,1A,31,82), V(97,51,33,60), V(62,53,7F,45), \
|
|
- V(B1,64,77,E0), V(BB,6B,AE,84), V(FE,81,A0,1C), V(F9,08,2B,94), \
|
|
- V(70,48,68,58), V(8F,45,FD,19), V(94,DE,6C,87), V(52,7B,F8,B7), \
|
|
- V(AB,73,D3,23), V(72,4B,02,E2), V(E3,1F,8F,57), V(66,55,AB,2A), \
|
|
- V(B2,EB,28,07), V(2F,B5,C2,03), V(86,C5,7B,9A), V(D3,37,08,A5), \
|
|
- V(30,28,87,F2), V(23,BF,A5,B2), V(02,03,6A,BA), V(ED,16,82,5C), \
|
|
- V(8A,CF,1C,2B), V(A7,79,B4,92), V(F3,07,F2,F0), V(4E,69,E2,A1), \
|
|
- V(65,DA,F4,CD), V(06,05,BE,D5), V(D1,34,62,1F), V(C4,A6,FE,8A), \
|
|
- V(34,2E,53,9D), V(A2,F3,55,A0), V(05,8A,E1,32), V(A4,F6,EB,75), \
|
|
- V(0B,83,EC,39), V(40,60,EF,AA), V(5E,71,9F,06), V(BD,6E,10,51), \
|
|
- V(3E,21,8A,F9), V(96,DD,06,3D), V(DD,3E,05,AE), V(4D,E6,BD,46), \
|
|
- V(91,54,8D,B5), V(71,C4,5D,05), V(04,06,D4,6F), V(60,50,15,FF), \
|
|
- V(19,98,FB,24), V(D6,BD,E9,97), V(89,40,43,CC), V(67,D9,9E,77), \
|
|
- V(B0,E8,42,BD), V(07,89,8B,88), V(E7,19,5B,38), V(79,C8,EE,DB), \
|
|
- V(A1,7C,0A,47), V(7C,42,0F,E9), V(F8,84,1E,C9), V(00,00,00,00), \
|
|
- V(09,80,86,83), V(32,2B,ED,48), V(1E,11,70,AC), V(6C,5A,72,4E), \
|
|
- V(FD,0E,FF,FB), V(0F,85,38,56), V(3D,AE,D5,1E), V(36,2D,39,27), \
|
|
- V(0A,0F,D9,64), V(68,5C,A6,21), V(9B,5B,54,D1), V(24,36,2E,3A), \
|
|
- V(0C,0A,67,B1), V(93,57,E7,0F), V(B4,EE,96,D2), V(1B,9B,91,9E), \
|
|
- V(80,C0,C5,4F), V(61,DC,20,A2), V(5A,77,4B,69), V(1C,12,1A,16), \
|
|
- V(E2,93,BA,0A), V(C0,A0,2A,E5), V(3C,22,E0,43), V(12,1B,17,1D), \
|
|
- V(0E,09,0D,0B), V(F2,8B,C7,AD), V(2D,B6,A8,B9), V(14,1E,A9,C8), \
|
|
- V(57,F1,19,85), V(AF,75,07,4C), V(EE,99,DD,BB), V(A3,7F,60,FD), \
|
|
- V(F7,01,26,9F), V(5C,72,F5,BC), V(44,66,3B,C5), V(5B,FB,7E,34), \
|
|
- V(8B,43,29,76), V(CB,23,C6,DC), V(B6,ED,FC,68), V(B8,E4,F1,63), \
|
|
- V(D7,31,DC,CA), V(42,63,85,10), V(13,97,22,40), V(84,C6,11,20), \
|
|
- V(85,4A,24,7D), V(D2,BB,3D,F8), V(AE,F9,32,11), V(C7,29,A1,6D), \
|
|
- V(1D,9E,2F,4B), V(DC,B2,30,F3), V(0D,86,52,EC), V(77,C1,E3,D0), \
|
|
- V(2B,B3,16,6C), V(A9,70,B9,99), V(11,94,48,FA), V(47,E9,64,22), \
|
|
- V(A8,FC,8C,C4), V(A0,F0,3F,1A), V(56,7D,2C,D8), V(22,33,90,EF), \
|
|
- V(87,49,4E,C7), V(D9,38,D1,C1), V(8C,CA,A2,FE), V(98,D4,0B,36), \
|
|
- V(A6,F5,81,CF), V(A5,7A,DE,28), V(DA,B7,8E,26), V(3F,AD,BF,A4), \
|
|
- V(2C,3A,9D,E4), V(50,78,92,0D), V(6A,5F,CC,9B), V(54,7E,46,62), \
|
|
- V(F6,8D,13,C2), V(90,D8,B8,E8), V(2E,39,F7,5E), V(82,C3,AF,F5), \
|
|
- V(9F,5D,80,BE), V(69,D0,93,7C), V(6F,D5,2D,A9), V(CF,25,12,B3), \
|
|
- V(C8,AC,99,3B), V(10,18,7D,A7), V(E8,9C,63,6E), V(DB,3B,BB,7B), \
|
|
- V(CD,26,78,09), V(6E,59,18,F4), V(EC,9A,B7,01), V(83,4F,9A,A8), \
|
|
- V(E6,95,6E,65), V(AA,FF,E6,7E), V(21,BC,CF,08), V(EF,15,E8,E6), \
|
|
- V(BA,E7,9B,D9), V(4A,6F,36,CE), V(EA,9F,09,D4), V(29,B0,7C,D6), \
|
|
- V(31,A4,B2,AF), V(2A,3F,23,31), V(C6,A5,94,30), V(35,A2,66,C0), \
|
|
- V(74,4E,BC,37), V(FC,82,CA,A6), V(E0,90,D0,B0), V(33,A7,D8,15), \
|
|
- V(F1,04,98,4A), V(41,EC,DA,F7), V(7F,CD,50,0E), V(17,91,F6,2F), \
|
|
- V(76,4D,D6,8D), V(43,EF,B0,4D), V(CC,AA,4D,54), V(E4,96,04,DF), \
|
|
- V(9E,D1,B5,E3), V(4C,6A,88,1B), V(C1,2C,1F,B8), V(46,65,51,7F), \
|
|
- V(9D,5E,EA,04), V(01,8C,35,5D), V(FA,87,74,73), V(FB,0B,41,2E), \
|
|
- V(B3,67,1D,5A), V(92,DB,D2,52), V(E9,10,56,33), V(6D,D6,47,13), \
|
|
- V(9A,D7,61,8C), V(37,A1,0C,7A), V(59,F8,14,8E), V(EB,13,3C,89), \
|
|
- V(CE,A9,27,EE), V(B7,61,C9,35), V(E1,1C,E5,ED), V(7A,47,B1,3C), \
|
|
- V(9C,D2,DF,59), V(55,F2,73,3F), V(18,14,CE,79), V(73,C7,37,BF), \
|
|
- V(53,F7,CD,EA), V(5F,FD,AA,5B), V(DF,3D,6F,14), V(78,44,DB,86), \
|
|
- V(CA,AF,F3,81), V(B9,68,C4,3E), V(38,24,34,2C), V(C2,A3,40,5F), \
|
|
- V(16,1D,C3,72), V(BC,E2,25,0C), V(28,3C,49,8B), V(FF,0D,95,41), \
|
|
- V(39,A8,01,71), V(08,0C,B3,DE), V(D8,B4,E4,9C), V(64,56,C1,90), \
|
|
- V(7B,CB,84,61), V(D5,32,B6,70), V(48,6C,5C,74), V(D0,B8,57,42)
|
|
-
|
|
-#define V(a,b,c,d) 0x##a##b##c##d
|
|
-static const uint32 RT0[256] = { RT };
|
|
-#undef V
|
|
-
|
|
-#define V(a,b,c,d) 0x##d##a##b##c
|
|
-static const uint32 RT1[256] = { RT };
|
|
-#undef V
|
|
-
|
|
-#define V(a,b,c,d) 0x##c##d##a##b
|
|
-static const uint32 RT2[256] = { RT };
|
|
-#undef V
|
|
-
|
|
-#define V(a,b,c,d) 0x##b##c##d##a
|
|
-static const uint32 RT3[256] = { RT };
|
|
-#undef V
|
|
-
|
|
-#undef RT
|
|
-
|
|
-/* round constants */
|
|
-
|
|
-static const uint32 RCON[10] =
|
|
-{
|
|
- 0x01000000, 0x02000000, 0x04000000, 0x08000000,
|
|
- 0x10000000, 0x20000000, 0x40000000, 0x80000000,
|
|
- 0x1B000000, 0x36000000
|
|
-};
|
|
-
|
|
-int do_init = 0;
|
|
-
|
|
-void aes_gen_tables( void )
|
|
-{
|
|
-}
|
|
-
|
|
-#endif
|
|
-
|
|
-/* platform-independant 32-bit integer manipulation macros */
|
|
-
|
|
-#define GET_UINT32(n,b,i) \
|
|
-{ \
|
|
- (n) = ( (uint32) (b)[(i) ] << 24 ) \
|
|
- | ( (uint32) (b)[(i) + 1] << 16 ) \
|
|
- | ( (uint32) (b)[(i) + 2] << 8 ) \
|
|
- | ( (uint32) (b)[(i) + 3] ); \
|
|
-}
|
|
-
|
|
-#define PUT_UINT32(n,b,i) \
|
|
-{ \
|
|
- (b)[(i) ] = (uint8) ( (n) >> 24 ); \
|
|
- (b)[(i) + 1] = (uint8) ( (n) >> 16 ); \
|
|
- (b)[(i) + 2] = (uint8) ( (n) >> 8 ); \
|
|
- (b)[(i) + 3] = (uint8) ( (n) ); \
|
|
-}
|
|
-
|
|
-/* decryption key schedule tables */
|
|
-
|
|
-int KT_init = 1;
|
|
-
|
|
-uint32 KT0[256];
|
|
-uint32 KT1[256];
|
|
-uint32 KT2[256];
|
|
-uint32 KT3[256];
|
|
-
|
|
-/* AES key scheduling routine */
|
|
-
|
|
-int aes_set_key( aes_context *ctx, uint8 *key, int nbits )
|
|
-{
|
|
- int i;
|
|
- uint32 *RK, *SK;
|
|
-
|
|
- if( do_init )
|
|
- {
|
|
- aes_gen_tables();
|
|
-
|
|
- do_init = 0;
|
|
- }
|
|
-
|
|
- switch( nbits )
|
|
- {
|
|
- case 128: ctx->nr = 10; break;
|
|
- case 192: ctx->nr = 12; break;
|
|
- case 256: ctx->nr = 14; break;
|
|
- default : return( 1 );
|
|
- }
|
|
-
|
|
- RK = ctx->erk;
|
|
-
|
|
- for( i = 0; i < (nbits >> 5); i++ )
|
|
- {
|
|
- GET_UINT32( RK[i], key, i * 4 );
|
|
- }
|
|
-
|
|
- /* setup encryption round keys */
|
|
-
|
|
- switch( nbits )
|
|
- {
|
|
- case 128:
|
|
-
|
|
- for( i = 0; i < 10; i++, RK += 4 )
|
|
- {
|
|
- RK[4] = RK[0] ^ RCON[i] ^
|
|
- ( FSb[ (uint8) ( RK[3] >> 16 ) ] << 24 ) ^
|
|
- ( FSb[ (uint8) ( RK[3] >> 8 ) ] << 16 ) ^
|
|
- ( FSb[ (uint8) ( RK[3] ) ] << 8 ) ^
|
|
- ( FSb[ (uint8) ( RK[3] >> 24 ) ] );
|
|
-
|
|
- RK[5] = RK[1] ^ RK[4];
|
|
- RK[6] = RK[2] ^ RK[5];
|
|
- RK[7] = RK[3] ^ RK[6];
|
|
- }
|
|
- break;
|
|
-
|
|
- case 192:
|
|
-
|
|
- for( i = 0; i < 8; i++, RK += 6 )
|
|
- {
|
|
- RK[6] = RK[0] ^ RCON[i] ^
|
|
- ( FSb[ (uint8) ( RK[5] >> 16 ) ] << 24 ) ^
|
|
- ( FSb[ (uint8) ( RK[5] >> 8 ) ] << 16 ) ^
|
|
- ( FSb[ (uint8) ( RK[5] ) ] << 8 ) ^
|
|
- ( FSb[ (uint8) ( RK[5] >> 24 ) ] );
|
|
-
|
|
- RK[7] = RK[1] ^ RK[6];
|
|
- RK[8] = RK[2] ^ RK[7];
|
|
- RK[9] = RK[3] ^ RK[8];
|
|
- RK[10] = RK[4] ^ RK[9];
|
|
- RK[11] = RK[5] ^ RK[10];
|
|
- }
|
|
- break;
|
|
-
|
|
- case 256:
|
|
-
|
|
- for( i = 0; i < 7; i++, RK += 8 )
|
|
- {
|
|
- RK[8] = RK[0] ^ RCON[i] ^
|
|
- ( FSb[ (uint8) ( RK[7] >> 16 ) ] << 24 ) ^
|
|
- ( FSb[ (uint8) ( RK[7] >> 8 ) ] << 16 ) ^
|
|
- ( FSb[ (uint8) ( RK[7] ) ] << 8 ) ^
|
|
- ( FSb[ (uint8) ( RK[7] >> 24 ) ] );
|
|
-
|
|
- RK[9] = RK[1] ^ RK[8];
|
|
- RK[10] = RK[2] ^ RK[9];
|
|
- RK[11] = RK[3] ^ RK[10];
|
|
-
|
|
- RK[12] = RK[4] ^
|
|
- ( FSb[ (uint8) ( RK[11] >> 24 ) ] << 24 ) ^
|
|
- ( FSb[ (uint8) ( RK[11] >> 16 ) ] << 16 ) ^
|
|
- ( FSb[ (uint8) ( RK[11] >> 8 ) ] << 8 ) ^
|
|
- ( FSb[ (uint8) ( RK[11] ) ] );
|
|
-
|
|
- RK[13] = RK[5] ^ RK[12];
|
|
- RK[14] = RK[6] ^ RK[13];
|
|
- RK[15] = RK[7] ^ RK[14];
|
|
- }
|
|
- break;
|
|
- }
|
|
-
|
|
- /* setup decryption round keys */
|
|
-
|
|
- if( KT_init )
|
|
- {
|
|
- for( i = 0; i < 256; i++ )
|
|
- {
|
|
- KT0[i] = RT0[ FSb[i] ];
|
|
- KT1[i] = RT1[ FSb[i] ];
|
|
- KT2[i] = RT2[ FSb[i] ];
|
|
- KT3[i] = RT3[ FSb[i] ];
|
|
- }
|
|
-
|
|
- KT_init = 0;
|
|
- }
|
|
-
|
|
- SK = ctx->drk;
|
|
-
|
|
- *SK++ = *RK++;
|
|
- *SK++ = *RK++;
|
|
- *SK++ = *RK++;
|
|
- *SK++ = *RK++;
|
|
-
|
|
- for( i = 1; i < ctx->nr; i++ )
|
|
- {
|
|
- RK -= 8;
|
|
-
|
|
- *SK++ = KT0[ (uint8) ( *RK >> 24 ) ] ^
|
|
- KT1[ (uint8) ( *RK >> 16 ) ] ^
|
|
- KT2[ (uint8) ( *RK >> 8 ) ] ^
|
|
- KT3[ (uint8) ( *RK ) ]; RK++;
|
|
-
|
|
- *SK++ = KT0[ (uint8) ( *RK >> 24 ) ] ^
|
|
- KT1[ (uint8) ( *RK >> 16 ) ] ^
|
|
- KT2[ (uint8) ( *RK >> 8 ) ] ^
|
|
- KT3[ (uint8) ( *RK ) ]; RK++;
|
|
-
|
|
- *SK++ = KT0[ (uint8) ( *RK >> 24 ) ] ^
|
|
- KT1[ (uint8) ( *RK >> 16 ) ] ^
|
|
- KT2[ (uint8) ( *RK >> 8 ) ] ^
|
|
- KT3[ (uint8) ( *RK ) ]; RK++;
|
|
-
|
|
- *SK++ = KT0[ (uint8) ( *RK >> 24 ) ] ^
|
|
- KT1[ (uint8) ( *RK >> 16 ) ] ^
|
|
- KT2[ (uint8) ( *RK >> 8 ) ] ^
|
|
- KT3[ (uint8) ( *RK ) ]; RK++;
|
|
- }
|
|
-
|
|
- RK -= 8;
|
|
-
|
|
- *SK++ = *RK++;
|
|
- *SK++ = *RK++;
|
|
- *SK++ = *RK++;
|
|
- *SK++ = *RK++;
|
|
-
|
|
- return( 0 );
|
|
-}
|
|
-
|
|
-/* AES 128-bit block encryption routine */
|
|
-
|
|
-void aes_encrypt( aes_context *ctx, uint8 input[16], uint8 output[16] )
|
|
-{
|
|
- uint32 *RK, X0, X1, X2, X3, Y0, Y1, Y2, Y3;
|
|
-
|
|
- RK = ctx->erk;
|
|
-
|
|
- GET_UINT32( X0, input, 0 ); X0 ^= RK[0];
|
|
- GET_UINT32( X1, input, 4 ); X1 ^= RK[1];
|
|
- GET_UINT32( X2, input, 8 ); X2 ^= RK[2];
|
|
- GET_UINT32( X3, input, 12 ); X3 ^= RK[3];
|
|
-
|
|
-#define AES_FROUND(X0,X1,X2,X3,Y0,Y1,Y2,Y3) \
|
|
-{ \
|
|
- RK += 4; \
|
|
- \
|
|
- X0 = RK[0] ^ FT0[ (uint8) ( Y0 >> 24 ) ] ^ \
|
|
- FT1[ (uint8) ( Y1 >> 16 ) ] ^ \
|
|
- FT2[ (uint8) ( Y2 >> 8 ) ] ^ \
|
|
- FT3[ (uint8) ( Y3 ) ]; \
|
|
- \
|
|
- X1 = RK[1] ^ FT0[ (uint8) ( Y1 >> 24 ) ] ^ \
|
|
- FT1[ (uint8) ( Y2 >> 16 ) ] ^ \
|
|
- FT2[ (uint8) ( Y3 >> 8 ) ] ^ \
|
|
- FT3[ (uint8) ( Y0 ) ]; \
|
|
- \
|
|
- X2 = RK[2] ^ FT0[ (uint8) ( Y2 >> 24 ) ] ^ \
|
|
- FT1[ (uint8) ( Y3 >> 16 ) ] ^ \
|
|
- FT2[ (uint8) ( Y0 >> 8 ) ] ^ \
|
|
- FT3[ (uint8) ( Y1 ) ]; \
|
|
- \
|
|
- X3 = RK[3] ^ FT0[ (uint8) ( Y3 >> 24 ) ] ^ \
|
|
- FT1[ (uint8) ( Y0 >> 16 ) ] ^ \
|
|
- FT2[ (uint8) ( Y1 >> 8 ) ] ^ \
|
|
- FT3[ (uint8) ( Y2 ) ]; \
|
|
-}
|
|
-
|
|
- AES_FROUND( Y0, Y1, Y2, Y3, X0, X1, X2, X3 ); /* round 1 */
|
|
- AES_FROUND( X0, X1, X2, X3, Y0, Y1, Y2, Y3 ); /* round 2 */
|
|
- AES_FROUND( Y0, Y1, Y2, Y3, X0, X1, X2, X3 ); /* round 3 */
|
|
- AES_FROUND( X0, X1, X2, X3, Y0, Y1, Y2, Y3 ); /* round 4 */
|
|
- AES_FROUND( Y0, Y1, Y2, Y3, X0, X1, X2, X3 ); /* round 5 */
|
|
- AES_FROUND( X0, X1, X2, X3, Y0, Y1, Y2, Y3 ); /* round 6 */
|
|
- AES_FROUND( Y0, Y1, Y2, Y3, X0, X1, X2, X3 ); /* round 7 */
|
|
- AES_FROUND( X0, X1, X2, X3, Y0, Y1, Y2, Y3 ); /* round 8 */
|
|
- AES_FROUND( Y0, Y1, Y2, Y3, X0, X1, X2, X3 ); /* round 9 */
|
|
-
|
|
- if( ctx->nr > 10 )
|
|
- {
|
|
- AES_FROUND( X0, X1, X2, X3, Y0, Y1, Y2, Y3 ); /* round 10 */
|
|
- AES_FROUND( Y0, Y1, Y2, Y3, X0, X1, X2, X3 ); /* round 11 */
|
|
- }
|
|
-
|
|
- if( ctx->nr > 12 )
|
|
- {
|
|
- AES_FROUND( X0, X1, X2, X3, Y0, Y1, Y2, Y3 ); /* round 12 */
|
|
- AES_FROUND( Y0, Y1, Y2, Y3, X0, X1, X2, X3 ); /* round 13 */
|
|
- }
|
|
-
|
|
- /* last round */
|
|
-
|
|
- RK += 4;
|
|
-
|
|
- X0 = RK[0] ^ ( FSb[ (uint8) ( Y0 >> 24 ) ] << 24 ) ^
|
|
- ( FSb[ (uint8) ( Y1 >> 16 ) ] << 16 ) ^
|
|
- ( FSb[ (uint8) ( Y2 >> 8 ) ] << 8 ) ^
|
|
- ( FSb[ (uint8) ( Y3 ) ] );
|
|
-
|
|
- X1 = RK[1] ^ ( FSb[ (uint8) ( Y1 >> 24 ) ] << 24 ) ^
|
|
- ( FSb[ (uint8) ( Y2 >> 16 ) ] << 16 ) ^
|
|
- ( FSb[ (uint8) ( Y3 >> 8 ) ] << 8 ) ^
|
|
- ( FSb[ (uint8) ( Y0 ) ] );
|
|
-
|
|
- X2 = RK[2] ^ ( FSb[ (uint8) ( Y2 >> 24 ) ] << 24 ) ^
|
|
- ( FSb[ (uint8) ( Y3 >> 16 ) ] << 16 ) ^
|
|
- ( FSb[ (uint8) ( Y0 >> 8 ) ] << 8 ) ^
|
|
- ( FSb[ (uint8) ( Y1 ) ] );
|
|
-
|
|
- X3 = RK[3] ^ ( FSb[ (uint8) ( Y3 >> 24 ) ] << 24 ) ^
|
|
- ( FSb[ (uint8) ( Y0 >> 16 ) ] << 16 ) ^
|
|
- ( FSb[ (uint8) ( Y1 >> 8 ) ] << 8 ) ^
|
|
- ( FSb[ (uint8) ( Y2 ) ] );
|
|
-
|
|
- PUT_UINT32( X0, output, 0 );
|
|
- PUT_UINT32( X1, output, 4 );
|
|
- PUT_UINT32( X2, output, 8 );
|
|
- PUT_UINT32( X3, output, 12 );
|
|
-}
|
|
-
|
|
-/* AES 128-bit block decryption routine */
|
|
-
|
|
-void aes_decrypt( aes_context *ctx, uint8 input[16], uint8 output[16] )
|
|
-{
|
|
- uint32 *RK, X0, X1, X2, X3, Y0, Y1, Y2, Y3;
|
|
-
|
|
- RK = ctx->drk;
|
|
-
|
|
- GET_UINT32( X0, input, 0 ); X0 ^= RK[0];
|
|
- GET_UINT32( X1, input, 4 ); X1 ^= RK[1];
|
|
- GET_UINT32( X2, input, 8 ); X2 ^= RK[2];
|
|
- GET_UINT32( X3, input, 12 ); X3 ^= RK[3];
|
|
-
|
|
-#define AES_RROUND(X0,X1,X2,X3,Y0,Y1,Y2,Y3) \
|
|
-{ \
|
|
- RK += 4; \
|
|
- \
|
|
- X0 = RK[0] ^ RT0[ (uint8) ( Y0 >> 24 ) ] ^ \
|
|
- RT1[ (uint8) ( Y3 >> 16 ) ] ^ \
|
|
- RT2[ (uint8) ( Y2 >> 8 ) ] ^ \
|
|
- RT3[ (uint8) ( Y1 ) ]; \
|
|
- \
|
|
- X1 = RK[1] ^ RT0[ (uint8) ( Y1 >> 24 ) ] ^ \
|
|
- RT1[ (uint8) ( Y0 >> 16 ) ] ^ \
|
|
- RT2[ (uint8) ( Y3 >> 8 ) ] ^ \
|
|
- RT3[ (uint8) ( Y2 ) ]; \
|
|
- \
|
|
- X2 = RK[2] ^ RT0[ (uint8) ( Y2 >> 24 ) ] ^ \
|
|
- RT1[ (uint8) ( Y1 >> 16 ) ] ^ \
|
|
- RT2[ (uint8) ( Y0 >> 8 ) ] ^ \
|
|
- RT3[ (uint8) ( Y3 ) ]; \
|
|
- \
|
|
- X3 = RK[3] ^ RT0[ (uint8) ( Y3 >> 24 ) ] ^ \
|
|
- RT1[ (uint8) ( Y2 >> 16 ) ] ^ \
|
|
- RT2[ (uint8) ( Y1 >> 8 ) ] ^ \
|
|
- RT3[ (uint8) ( Y0 ) ]; \
|
|
-}
|
|
-
|
|
- AES_RROUND( Y0, Y1, Y2, Y3, X0, X1, X2, X3 ); /* round 1 */
|
|
- AES_RROUND( X0, X1, X2, X3, Y0, Y1, Y2, Y3 ); /* round 2 */
|
|
- AES_RROUND( Y0, Y1, Y2, Y3, X0, X1, X2, X3 ); /* round 3 */
|
|
- AES_RROUND( X0, X1, X2, X3, Y0, Y1, Y2, Y3 ); /* round 4 */
|
|
- AES_RROUND( Y0, Y1, Y2, Y3, X0, X1, X2, X3 ); /* round 5 */
|
|
- AES_RROUND( X0, X1, X2, X3, Y0, Y1, Y2, Y3 ); /* round 6 */
|
|
- AES_RROUND( Y0, Y1, Y2, Y3, X0, X1, X2, X3 ); /* round 7 */
|
|
- AES_RROUND( X0, X1, X2, X3, Y0, Y1, Y2, Y3 ); /* round 8 */
|
|
- AES_RROUND( Y0, Y1, Y2, Y3, X0, X1, X2, X3 ); /* round 9 */
|
|
-
|
|
- if( ctx->nr > 10 )
|
|
- {
|
|
- AES_RROUND( X0, X1, X2, X3, Y0, Y1, Y2, Y3 ); /* round 10 */
|
|
- AES_RROUND( Y0, Y1, Y2, Y3, X0, X1, X2, X3 ); /* round 11 */
|
|
- }
|
|
-
|
|
- if( ctx->nr > 12 )
|
|
- {
|
|
- AES_RROUND( X0, X1, X2, X3, Y0, Y1, Y2, Y3 ); /* round 12 */
|
|
- AES_RROUND( Y0, Y1, Y2, Y3, X0, X1, X2, X3 ); /* round 13 */
|
|
- }
|
|
-
|
|
- /* last round */
|
|
-
|
|
- RK += 4;
|
|
-
|
|
- X0 = RK[0] ^ ( RSb[ (uint8) ( Y0 >> 24 ) ] << 24 ) ^
|
|
- ( RSb[ (uint8) ( Y3 >> 16 ) ] << 16 ) ^
|
|
- ( RSb[ (uint8) ( Y2 >> 8 ) ] << 8 ) ^
|
|
- ( RSb[ (uint8) ( Y1 ) ] );
|
|
-
|
|
- X1 = RK[1] ^ ( RSb[ (uint8) ( Y1 >> 24 ) ] << 24 ) ^
|
|
- ( RSb[ (uint8) ( Y0 >> 16 ) ] << 16 ) ^
|
|
- ( RSb[ (uint8) ( Y3 >> 8 ) ] << 8 ) ^
|
|
- ( RSb[ (uint8) ( Y2 ) ] );
|
|
-
|
|
- X2 = RK[2] ^ ( RSb[ (uint8) ( Y2 >> 24 ) ] << 24 ) ^
|
|
- ( RSb[ (uint8) ( Y1 >> 16 ) ] << 16 ) ^
|
|
- ( RSb[ (uint8) ( Y0 >> 8 ) ] << 8 ) ^
|
|
- ( RSb[ (uint8) ( Y3 ) ] );
|
|
-
|
|
- X3 = RK[3] ^ ( RSb[ (uint8) ( Y3 >> 24 ) ] << 24 ) ^
|
|
- ( RSb[ (uint8) ( Y2 >> 16 ) ] << 16 ) ^
|
|
- ( RSb[ (uint8) ( Y1 >> 8 ) ] << 8 ) ^
|
|
- ( RSb[ (uint8) ( Y0 ) ] );
|
|
-
|
|
- PUT_UINT32( X0, output, 0 );
|
|
- PUT_UINT32( X1, output, 4 );
|
|
- PUT_UINT32( X2, output, 8 );
|
|
- PUT_UINT32( X3, output, 12 );
|
|
-}
|
|
diff --git a/src/aes.h b/src/aes.h
|
|
deleted file mode 100644
|
|
index bf3806f..0000000
|
|
--- a/src/aes.h
|
|
+++ /dev/null
|
|
@@ -1,43 +0,0 @@
|
|
-/*
|
|
- * FIPS-197 compliant AES implementation
|
|
- *
|
|
- * Copyright (C) 2001-2004 Christophe Devine
|
|
- *
|
|
- * This program is free software; you can redistribute it and/or modify
|
|
- * it under the terms of the GNU General Public License as published by
|
|
- * the Free Software Foundation; either version 2 of the License, or
|
|
- * (at your option) any later version.
|
|
- *
|
|
- * This program 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 General Public License for more details.
|
|
- *
|
|
- * You should have received a copy of the GNU General Public License
|
|
- * along with this program; if not, write to the Free Software
|
|
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
- */
|
|
-#ifndef _AES_H
|
|
-#define _AES_H
|
|
-
|
|
-#ifndef uint8
|
|
-#define uint8 unsigned char
|
|
-#endif
|
|
-
|
|
-#ifndef uint32
|
|
-#define uint32 unsigned long int
|
|
-#endif
|
|
-
|
|
-typedef struct
|
|
-{
|
|
- uint32 erk[64]; /* encryption round keys */
|
|
- uint32 drk[64]; /* decryption round keys */
|
|
- int nr; /* number of rounds */
|
|
-}
|
|
-aes_context;
|
|
-
|
|
-int aes_set_key( aes_context *ctx, uint8 *key, int nbits );
|
|
-void aes_encrypt( aes_context *ctx, uint8 input[16], uint8 output[16] );
|
|
-void aes_decrypt( aes_context *ctx, uint8 input[16], uint8 output[16] );
|
|
-
|
|
-#endif /* aes.h */
|
|
diff --git a/src/genrand.c b/src/genrand.c
|
|
index ecfd382..85be629 100644
|
|
--- a/src/genrand.c
|
|
+++ b/src/genrand.c
|
|
@@ -38,132 +38,31 @@
|
|
#include <assert.h>
|
|
#include <libgen.h>
|
|
|
|
-#include "aes.h"
|
|
+#include <gcrypt.h>
|
|
+
|
|
#include "util.h"
|
|
#include "genrand.h"
|
|
#include "hwrand.h"
|
|
|
|
-#define PATH_URANDOM "/dev/urandom"
|
|
-
|
|
-#define PAYLOAD_SZ 16
|
|
-#define KEY_SZ 16
|
|
-
|
|
extern char *prog;
|
|
|
|
static bool no_hwrand = false;
|
|
static hwrand_t gen_hwrand;
|
|
|
|
-static aes_context ctx;
|
|
-static unsigned char ctr[PAYLOAD_SZ];
|
|
-
|
|
-#if HAVE_RAND_R
|
|
-static unsigned int seed;
|
|
-#elif HAVE_RANDOM_R
|
|
-static char rstate[128];
|
|
-static struct random_data rdata;
|
|
-#else
|
|
-#error Neither rand_r nor random_r are available
|
|
-#endif
|
|
-
|
|
-/* Increment 128 bit counter.
|
|
- * NOTE: we are not concerned with endianness here since the counter is
|
|
- * just sixteen bytes of payload to AES and outside of this function isn't
|
|
- * operated upon numerically.
|
|
- */
|
|
-static void
|
|
-incr128(unsigned char *val)
|
|
-{
|
|
- unsigned long long *t = (unsigned long long *)val;
|
|
-
|
|
- assert(sizeof(unsigned long long) == 8);
|
|
- assert(PAYLOAD_SZ == 16);
|
|
- if (++t[0] == 0)
|
|
- ++t[1];
|
|
-}
|
|
-
|
|
-/* Copy 'buflen' bytes of raw randomness into 'buf'.
|
|
- */
|
|
-static int
|
|
-genrandraw(unsigned char *buf, int buflen)
|
|
-{
|
|
- static int fd = -1;
|
|
- int n;
|
|
-
|
|
- if (fd < 0) {
|
|
- fd = open(PATH_URANDOM, O_RDONLY);
|
|
-
|
|
- /* Still can't open /dev/urandom - this is weak */
|
|
- if (fd < 0) {
|
|
-#if HAVE_RAND_R
|
|
- for (n = 0; n < buflen; n++)
|
|
- buf[n] = rand_r (&seed);
|
|
-#elif HAVE_RANDOM_R
|
|
- int32_t result;
|
|
-
|
|
- for (n = 0; n < buflen; n++) {
|
|
- if (random_r(&rdata, &result) < 0)
|
|
- goto error;
|
|
- buf[n] = result;
|
|
- }
|
|
-#endif
|
|
- return 0;
|
|
- }
|
|
- }
|
|
-
|
|
- n = read_all(fd, buf, buflen);
|
|
- if (n < 0)
|
|
- goto error;
|
|
- if (n == 0) {
|
|
- errno = EIO; /* early EOF */
|
|
- goto error;
|
|
- }
|
|
- return 0;
|
|
-error:
|
|
- return -1;
|
|
-}
|
|
-
|
|
-/* Pick new (random) key and counter values.
|
|
+/* Initialize the module.
|
|
*/
|
|
int
|
|
-churnrand(void)
|
|
+initrand(void)
|
|
{
|
|
- unsigned char key[KEY_SZ];
|
|
-
|
|
- if (genrandraw(ctr, PAYLOAD_SZ) < 0)
|
|
- goto error;
|
|
- if (genrandraw(key, KEY_SZ) < 0)
|
|
- goto error;
|
|
- if (aes_set_key(&ctx, key, KEY_SZ*8) != 0) {
|
|
- errno = EINVAL;
|
|
+ if (!gcry_check_version(GCRYPT_VERSION)) {
|
|
goto error;
|
|
}
|
|
- return 0;
|
|
-error:
|
|
- return -1;
|
|
-}
|
|
|
|
-/* Initialize the module.
|
|
- */
|
|
-int
|
|
-initrand(void)
|
|
-{
|
|
- struct timeval tv;
|
|
+ gcry_control(GCRYCTL_INITIALIZATION_FINISHED, 0);
|
|
|
|
if (!no_hwrand)
|
|
gen_hwrand = init_hwrand();
|
|
|
|
- /* Always initialize the software random number generator as backup */
|
|
-
|
|
- if (gettimeofday(&tv, NULL) < 0)
|
|
- goto error;
|
|
-#if HAVE_RAND_R
|
|
- seed = tv.tv_usec;
|
|
-#elif HAVE_RANDOM_R
|
|
- if (initstate_r(tv.tv_usec, rstate, sizeof(rstate), &rdata) < 0)
|
|
- goto error;
|
|
-#endif
|
|
- if (churnrand() < 0)
|
|
- goto error;
|
|
return 0;
|
|
error:
|
|
return -1;
|
|
@@ -174,24 +73,13 @@ error:
|
|
void
|
|
genrand(unsigned char *buf, int buflen)
|
|
{
|
|
- int i;
|
|
- unsigned char out[PAYLOAD_SZ];
|
|
- int cpylen = PAYLOAD_SZ;
|
|
-
|
|
if (gen_hwrand) {
|
|
bool hwok = gen_hwrand(buf, buflen);
|
|
if (hwok)
|
|
return;
|
|
}
|
|
|
|
- for (i = 0; i < buflen; i += cpylen) {
|
|
- aes_encrypt(&ctx, ctr, out);
|
|
- incr128(ctr);
|
|
- if (cpylen > buflen - i)
|
|
- cpylen = buflen - i;
|
|
- memcpy(&buf[i], out, cpylen);
|
|
- }
|
|
- assert(i == buflen);
|
|
+ gcry_randomize(buf, buflen, GCRY_STRONG_RANDOM);
|
|
}
|
|
|
|
/*
|
|
diff --git a/src/genrand.h b/src/genrand.h
|
|
index 2bdebe7..f930f0f 100644
|
|
--- a/src/genrand.h
|
|
+++ b/src/genrand.h
|
|
@@ -26,7 +26,6 @@
|
|
|
|
void disable_hwrand(void);
|
|
int initrand(void);
|
|
-int churnrand(void);
|
|
void genrand(unsigned char *buf, int buflen);
|
|
|
|
/*
|
|
diff --git a/src/scrub.c b/src/scrub.c
|
|
index b0eb1f7..df74ee4 100644
|
|
--- a/src/scrub.c
|
|
+++ b/src/scrub.c
|
|
@@ -380,11 +380,6 @@ scrub(char *path, off_t size, const sequence_t *seq, int bufsize,
|
|
case PAT_RANDOM:
|
|
printf("%s: %-8s", prog, "random");
|
|
progress_create(&p, 50);
|
|
- if (churnrand() < 0) {
|
|
- fprintf(stderr, "%s: churnrand: %s\n", prog,
|
|
- strerror(errno));
|
|
- exit(1);
|
|
- }
|
|
written = fillfile(path, size, buf, bufsize,
|
|
(progress_t)progress_update, p,
|
|
(refill_t)genrand, sparse, enospc, extentonly);
|
|
diff --git a/test/Makefile.am b/test/Makefile.am
|
|
index 620e447..36cd557 100644
|
|
--- a/test/Makefile.am
|
|
+++ b/test/Makefile.am
|
|
@@ -1,28 +1,27 @@
|
|
-check_PROGRAMS = pad trand aestest tprogress tgetsize tsig tsize pat
|
|
+check_PROGRAMS = pad trand tprogress tgetsize tsig tsize pat
|
|
|
|
TESTS_ENVIRONMENT = env
|
|
TESTS_ENVIRONMENT += "PATH_SCRUB=$(top_builddir)/src/scrub"
|
|
-TESTS = t00 t01 t02 t03 t04 t05 t06 t07 t08 t09 t10 t11 t12 t13 t14
|
|
-EXPS = t00.exp t01.exp t02.exp t03.exp t04.exp t05.exp t06.exp t07.exp \
|
|
+TESTS = t01 t02 t03 t04 t05 t06 t07 t08 t09 t10 t11 t12 t13 t14
|
|
+EXPS = t01.exp t02.exp t03.exp t04.exp t05.exp t06.exp t07.exp \
|
|
t08.exp t10-cartman.exp t10-jimmy.exp t10-manbearpig.exp \
|
|
t10-marklar.exp t10-timmy.exp t11.exp t12.exp t13.exp t14.exp
|
|
|
|
CLEANFILES = *.out *.diff testfile
|
|
|
|
AM_CFLAGS = -I$(top_srcdir)/src
|
|
+AM_LDFLAGS = $(gcrypt_LIBS)
|
|
|
|
common_sources = \
|
|
$(top_srcdir)/src/getsize.c \
|
|
$(top_srcdir)/src/genrand.c \
|
|
$(top_srcdir)/src/hwrand.c \
|
|
- $(top_srcdir)/src/aes.c \
|
|
$(top_srcdir)/src/util.c \
|
|
$(top_srcdir)/src/progress.c \
|
|
$(top_srcdir)/src/sig.c
|
|
|
|
pad_SOURCES = pad.c $(common_sources)
|
|
trand_SOURCES = trand.c $(common_sources)
|
|
-aestest_SOURCES = aestest.c $(common_sources)
|
|
tprogress_SOURCES = tprogress.c $(common_sources)
|
|
tgetsize_SOURCES = tgetsize.c $(common_sources)
|
|
tsig_SOURCES = tsig.c $(common_sources)
|
|
diff --git a/test/aestest.c b/test/aestest.c
|
|
deleted file mode 100644
|
|
index 685f71c..0000000
|
|
--- a/test/aestest.c
|
|
+++ /dev/null
|
|
@@ -1,128 +0,0 @@
|
|
-/*
|
|
- * FIPS-197 compliant AES implementation
|
|
- *
|
|
- * Copyright (C) 2001-2004 Christophe Devine
|
|
- *
|
|
- * This program is free software; you can redistribute it and/or modify
|
|
- * it under the terms of the GNU General Public License as published by
|
|
- * the Free Software Foundation; either version 2 of the License, or
|
|
- * (at your option) any later version.
|
|
- *
|
|
- * This program 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 General Public License for more details.
|
|
- *
|
|
- * You should have received a copy of the GNU General Public License
|
|
- * along with this program; if not, write to the Free Software
|
|
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
- */
|
|
-
|
|
-#if HAVE_CONFIG_H
|
|
-#include "config.h"
|
|
-#endif
|
|
-#include <string.h>
|
|
-#include <stdio.h>
|
|
-#include <libgen.h>
|
|
-
|
|
-#include "aes.h"
|
|
-
|
|
-char *prog;
|
|
-
|
|
-/*
|
|
- * Rijndael Monte Carlo Test: ECB mode
|
|
- * source: NIST - rijndael-vals.zip
|
|
- */
|
|
-
|
|
-static unsigned char AES_enc_test[3][16] =
|
|
-{
|
|
- { 0xA0, 0x43, 0x77, 0xAB, 0xE2, 0x59, 0xB0, 0xD0,
|
|
- 0xB5, 0xBA, 0x2D, 0x40, 0xA5, 0x01, 0x97, 0x1B },
|
|
- { 0x4E, 0x46, 0xF8, 0xC5, 0x09, 0x2B, 0x29, 0xE2,
|
|
- 0x9A, 0x97, 0x1A, 0x0C, 0xD1, 0xF6, 0x10, 0xFB },
|
|
- { 0x1F, 0x67, 0x63, 0xDF, 0x80, 0x7A, 0x7E, 0x70,
|
|
- 0x96, 0x0D, 0x4C, 0xD3, 0x11, 0x8E, 0x60, 0x1A }
|
|
-};
|
|
-
|
|
-static unsigned char AES_dec_test[3][16] =
|
|
-{
|
|
- { 0xF5, 0xBF, 0x8B, 0x37, 0x13, 0x6F, 0x2E, 0x1F,
|
|
- 0x6B, 0xEC, 0x6F, 0x57, 0x20, 0x21, 0xE3, 0xBA },
|
|
- { 0xF1, 0xA8, 0x1B, 0x68, 0xF6, 0xE5, 0xA6, 0x27,
|
|
- 0x1A, 0x8C, 0xB2, 0x4E, 0x7D, 0x94, 0x91, 0xEF },
|
|
- { 0x4D, 0xE0, 0xC6, 0xDF, 0x7C, 0xB1, 0x69, 0x72,
|
|
- 0x84, 0x60, 0x4D, 0x60, 0x27, 0x1B, 0xC5, 0x9A }
|
|
-};
|
|
-
|
|
-int main(int argc, char *argv[])
|
|
-{
|
|
- int m, n, i, j;
|
|
- aes_context ctx;
|
|
- unsigned char buf[16];
|
|
- unsigned char key[32];
|
|
-
|
|
- prog = basename(argv[0]);
|
|
-
|
|
- for( m = 0; m < 2; m++ )
|
|
- {
|
|
- printf( "\n Rijndael Monte Carlo Test (ECB mode) - " );
|
|
-
|
|
- if( m == 0 ) printf( "encryption\n\n" );
|
|
- if( m == 1 ) printf( "decryption\n\n" );
|
|
-
|
|
- for( n = 0; n < 3; n++ )
|
|
- {
|
|
- printf( " Test %d, key size = %3d bits: ",
|
|
- n + 1, 128 + n * 64 );
|
|
-
|
|
- fflush( stdout );
|
|
-
|
|
- memset( buf, 0, 16 );
|
|
- memset( key, 0, 16 + n * 8 );
|
|
-
|
|
- for( i = 0; i < 400; i++ )
|
|
- {
|
|
- aes_set_key( &ctx, key, 128 + n * 64 );
|
|
-
|
|
- for( j = 0; j < 9999; j++ )
|
|
- {
|
|
- if( m == 0 ) aes_encrypt( &ctx, buf, buf );
|
|
- if( m == 1 ) aes_decrypt( &ctx, buf, buf );
|
|
- }
|
|
-
|
|
- if( n > 0 )
|
|
- {
|
|
- for( j = 0; j < (n << 3); j++ )
|
|
- {
|
|
- key[j] ^= buf[j + 16 - (n << 3)];
|
|
- }
|
|
- }
|
|
-
|
|
- if( m == 0 ) aes_encrypt( &ctx, buf, buf );
|
|
- if( m == 1 ) aes_decrypt( &ctx, buf, buf );
|
|
-
|
|
- for( j = 0; j < 16; j++ )
|
|
- {
|
|
- key[j + (n << 3)] ^= buf[j];
|
|
- }
|
|
- }
|
|
-
|
|
- if( ( m == 0 && memcmp( buf, AES_enc_test[n], 16 ) != 0 ) ||
|
|
- ( m == 1 && memcmp( buf, AES_dec_test[n], 16 ) != 0 ) )
|
|
- {
|
|
- printf( "failed!\n" );
|
|
- return( 1 );
|
|
- }
|
|
-
|
|
- printf( "passed.\n" );
|
|
- }
|
|
- }
|
|
-
|
|
- printf( "\n" );
|
|
-
|
|
- return( 0 );
|
|
-}
|
|
-
|
|
-/*
|
|
- * vi:tabstop=4 shiftwidth=4 expandtab
|
|
- */
|
|
diff --git a/test/t00 b/test/t00
|
|
deleted file mode 100755
|
|
index a231dea..0000000
|
|
--- a/test/t00
|
|
+++ /dev/null
|
|
@@ -1,4 +0,0 @@
|
|
-#!/bin/sh
|
|
-
|
|
-./aestest >t00.out
|
|
-diff t00.exp t00.out >t00.diff
|
|
diff --git a/test/t00.exp b/test/t00.exp
|
|
deleted file mode 100644
|
|
index cd27fed..0000000
|
|
--- a/test/t00.exp
|
|
+++ /dev/null
|
|
@@ -1,13 +0,0 @@
|
|
-
|
|
- Rijndael Monte Carlo Test (ECB mode) - encryption
|
|
-
|
|
- Test 1, key size = 128 bits: passed.
|
|
- Test 2, key size = 192 bits: passed.
|
|
- Test 3, key size = 256 bits: passed.
|
|
-
|
|
- Rijndael Monte Carlo Test (ECB mode) - decryption
|
|
-
|
|
- Test 1, key size = 128 bits: passed.
|
|
- Test 2, key size = 192 bits: passed.
|
|
- Test 3, key size = 256 bits: passed.
|
|
-
|
|
--
|
|
2.20.1
|
|
|