--- /dev/null
+/* crypto/camellia/camellia.c -*- mode:C; c-file-style: "eay" -*- */
+/* ====================================================================
+ * Copyright 2006 NTT (Nippon Telegraph and Telephone Corporation) .
+ * ALL RIGHTS RESERVED.
+ *
+ * Intellectual Property information for Camellia:
+ * http://info.isl.ntt.co.jp/crypt/eng/info/chiteki.html
+ *
+ * News Release for Announcement of Camellia open source:
+ * http://www.ntt.co.jp/news/news06e/0604/060413a.html
+ *
+ * The Camellia Code included herein is developed by
+ * NTT (Nippon Telegraph and Telephone Corporation), and is contributed
+ * to the OpenSSL project.
+ *
+ * The Camellia Code is licensed pursuant to the OpenSSL open source
+ * license provided below.
+ */
+/* ====================================================================
+ * Copyright (c) 2006 The OpenSSL Project. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3. All advertising materials mentioning features or use of this
+ * software must display the following acknowledgment:
+ * "This product includes software developed by the OpenSSL Project
+ * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ * endorse or promote products derived from this software without
+ * prior written permission. For written permission, please contact
+ * openssl-core@openssl.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ * nor may "OpenSSL" appear in their names without prior written
+ * permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ * acknowledgment:
+ * "This product includes software developed by the OpenSSL Project
+ * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ====================================================================
+ */
+
+/* Algorithm Specification
+ http://info.isl.ntt.co.jp/crypt/eng/camellia/specifications.html
+*/
+
+#include "camellia.h"
+#include "cmll_locl.h"
+#include <string.h>
+#include <stdlib.h>
+
+/* These macro variables select what code is used in the creation of
+ the Camellia library objects */
+
+#define USE_C_FEISTEL_CODE 0 /* Set to 1 to use C code, 0 to inline via macro */
+
+/* Word rotation */
+#if defined(_MSC_VER) && (defined(_M_IX86) || defined(_M_AMD64) || defined(_M_X64))
+#define RightRotate(x, s) _lrotr(x, s)
+#define LeftRotate(x, s) _lrotl(x, s)
+#elif defined(__INTEL__) && defined(__MWERKS__)
+#define RightRotate(x, s) __ror(x, s)
+#define LeftRotate(x, s) __rol(x, s)
+#else
+#define RightRotate(x, s) ( ((x) >> (s)) + ((x) << (32 - s)) )
+#define LeftRotate(x, s) ( ((x) << (s)) + ((x) >> (32 - s)) )
+#endif
+
+
+/* S-box data */
+const Word SBOX1_1110[] =
+{
+ 0x70707000, 0x82828200, 0x2c2c2c00, 0xececec00, 0xb3b3b300, 0x27272700,
+ 0xc0c0c000, 0xe5e5e500, 0xe4e4e400, 0x85858500, 0x57575700, 0x35353500,
+ 0xeaeaea00, 0x0c0c0c00, 0xaeaeae00, 0x41414100, 0x23232300, 0xefefef00,
+ 0x6b6b6b00, 0x93939300, 0x45454500, 0x19191900, 0xa5a5a500, 0x21212100,
+ 0xededed00, 0x0e0e0e00, 0x4f4f4f00, 0x4e4e4e00, 0x1d1d1d00, 0x65656500,
+ 0x92929200, 0xbdbdbd00, 0x86868600, 0xb8b8b800, 0xafafaf00, 0x8f8f8f00,
+ 0x7c7c7c00, 0xebebeb00, 0x1f1f1f00, 0xcecece00, 0x3e3e3e00, 0x30303000,
+ 0xdcdcdc00, 0x5f5f5f00, 0x5e5e5e00, 0xc5c5c500, 0x0b0b0b00, 0x1a1a1a00,
+ 0xa6a6a600, 0xe1e1e100, 0x39393900, 0xcacaca00, 0xd5d5d500, 0x47474700,
+ 0x5d5d5d00, 0x3d3d3d00, 0xd9d9d900, 0x01010100, 0x5a5a5a00, 0xd6d6d600,
+ 0x51515100, 0x56565600, 0x6c6c6c00, 0x4d4d4d00, 0x8b8b8b00, 0x0d0d0d00,
+ 0x9a9a9a00, 0x66666600, 0xfbfbfb00, 0xcccccc00, 0xb0b0b000, 0x2d2d2d00,
+ 0x74747400, 0x12121200, 0x2b2b2b00, 0x20202000, 0xf0f0f000, 0xb1b1b100,
+ 0x84848400, 0x99999900, 0xdfdfdf00, 0x4c4c4c00, 0xcbcbcb00, 0xc2c2c200,
+ 0x34343400, 0x7e7e7e00, 0x76767600, 0x05050500, 0x6d6d6d00, 0xb7b7b700,
+ 0xa9a9a900, 0x31313100, 0xd1d1d100, 0x17171700, 0x04040400, 0xd7d7d700,
+ 0x14141400, 0x58585800, 0x3a3a3a00, 0x61616100, 0xdedede00, 0x1b1b1b00,
+ 0x11111100, 0x1c1c1c00, 0x32323200, 0x0f0f0f00, 0x9c9c9c00, 0x16161600,
+ 0x53535300, 0x18181800, 0xf2f2f200, 0x22222200, 0xfefefe00, 0x44444400,
+ 0xcfcfcf00, 0xb2b2b200, 0xc3c3c300, 0xb5b5b500, 0x7a7a7a00, 0x91919100,
+ 0x24242400, 0x08080800, 0xe8e8e800, 0xa8a8a800, 0x60606000, 0xfcfcfc00,
+ 0x69696900, 0x50505000, 0xaaaaaa00, 0xd0d0d000, 0xa0a0a000, 0x7d7d7d00,
+ 0xa1a1a100, 0x89898900, 0x62626200, 0x97979700, 0x54545400, 0x5b5b5b00,
+ 0x1e1e1e00, 0x95959500, 0xe0e0e000, 0xffffff00, 0x64646400, 0xd2d2d200,
+ 0x10101000, 0xc4c4c400, 0x00000000, 0x48484800, 0xa3a3a300, 0xf7f7f700,
+ 0x75757500, 0xdbdbdb00, 0x8a8a8a00, 0x03030300, 0xe6e6e600, 0xdadada00,
+ 0x09090900, 0x3f3f3f00, 0xdddddd00, 0x94949400, 0x87878700, 0x5c5c5c00,
+ 0x83838300, 0x02020200, 0xcdcdcd00, 0x4a4a4a00, 0x90909000, 0x33333300,
+ 0x73737300, 0x67676700, 0xf6f6f600, 0xf3f3f300, 0x9d9d9d00, 0x7f7f7f00,
+ 0xbfbfbf00, 0xe2e2e200, 0x52525200, 0x9b9b9b00, 0xd8d8d800, 0x26262600,
+ 0xc8c8c800, 0x37373700, 0xc6c6c600, 0x3b3b3b00, 0x81818100, 0x96969600,
+ 0x6f6f6f00, 0x4b4b4b00, 0x13131300, 0xbebebe00, 0x63636300, 0x2e2e2e00,
+ 0xe9e9e900, 0x79797900, 0xa7a7a700, 0x8c8c8c00, 0x9f9f9f00, 0x6e6e6e00,
+ 0xbcbcbc00, 0x8e8e8e00, 0x29292900, 0xf5f5f500, 0xf9f9f900, 0xb6b6b600,
+ 0x2f2f2f00, 0xfdfdfd00, 0xb4b4b400, 0x59595900, 0x78787800, 0x98989800,
+ 0x06060600, 0x6a6a6a00, 0xe7e7e700, 0x46464600, 0x71717100, 0xbababa00,
+ 0xd4d4d400, 0x25252500, 0xababab00, 0x42424200, 0x88888800, 0xa2a2a200,
+ 0x8d8d8d00, 0xfafafa00, 0x72727200, 0x07070700, 0xb9b9b900, 0x55555500,
+ 0xf8f8f800, 0xeeeeee00, 0xacacac00, 0x0a0a0a00, 0x36363600, 0x49494900,
+ 0x2a2a2a00, 0x68686800, 0x3c3c3c00, 0x38383800, 0xf1f1f100, 0xa4a4a400,
+ 0x40404000, 0x28282800, 0xd3d3d300, 0x7b7b7b00, 0xbbbbbb00, 0xc9c9c900,
+ 0x43434300, 0xc1c1c100, 0x15151500, 0xe3e3e300, 0xadadad00, 0xf4f4f400,
+ 0x77777700, 0xc7c7c700, 0x80808000, 0x9e9e9e00
+};
+const Word SBOX4_4404[] =
+{
+ 0x70700070, 0x2c2c002c, 0xb3b300b3, 0xc0c000c0, 0xe4e400e4, 0x57570057,
+ 0xeaea00ea, 0xaeae00ae, 0x23230023, 0x6b6b006b, 0x45450045, 0xa5a500a5,
+ 0xeded00ed, 0x4f4f004f, 0x1d1d001d, 0x92920092, 0x86860086, 0xafaf00af,
+ 0x7c7c007c, 0x1f1f001f, 0x3e3e003e, 0xdcdc00dc, 0x5e5e005e, 0x0b0b000b,
+ 0xa6a600a6, 0x39390039, 0xd5d500d5, 0x5d5d005d, 0xd9d900d9, 0x5a5a005a,
+ 0x51510051, 0x6c6c006c, 0x8b8b008b, 0x9a9a009a, 0xfbfb00fb, 0xb0b000b0,
+ 0x74740074, 0x2b2b002b, 0xf0f000f0, 0x84840084, 0xdfdf00df, 0xcbcb00cb,
+ 0x34340034, 0x76760076, 0x6d6d006d, 0xa9a900a9, 0xd1d100d1, 0x04040004,
+ 0x14140014, 0x3a3a003a, 0xdede00de, 0x11110011, 0x32320032, 0x9c9c009c,
+ 0x53530053, 0xf2f200f2, 0xfefe00fe, 0xcfcf00cf, 0xc3c300c3, 0x7a7a007a,
+ 0x24240024, 0xe8e800e8, 0x60600060, 0x69690069, 0xaaaa00aa, 0xa0a000a0,
+ 0xa1a100a1, 0x62620062, 0x54540054, 0x1e1e001e, 0xe0e000e0, 0x64640064,
+ 0x10100010, 0x00000000, 0xa3a300a3, 0x75750075, 0x8a8a008a, 0xe6e600e6,
+ 0x09090009, 0xdddd00dd, 0x87870087, 0x83830083, 0xcdcd00cd, 0x90900090,
+ 0x73730073, 0xf6f600f6, 0x9d9d009d, 0xbfbf00bf, 0x52520052, 0xd8d800d8,
+ 0xc8c800c8, 0xc6c600c6, 0x81810081, 0x6f6f006f, 0x13130013, 0x63630063,
+ 0xe9e900e9, 0xa7a700a7, 0x9f9f009f, 0xbcbc00bc, 0x29290029, 0xf9f900f9,
+ 0x2f2f002f, 0xb4b400b4, 0x78780078, 0x06060006, 0xe7e700e7, 0x71710071,
+ 0xd4d400d4, 0xabab00ab, 0x88880088, 0x8d8d008d, 0x72720072, 0xb9b900b9,
+ 0xf8f800f8, 0xacac00ac, 0x36360036, 0x2a2a002a, 0x3c3c003c, 0xf1f100f1,
+ 0x40400040, 0xd3d300d3, 0xbbbb00bb, 0x43430043, 0x15150015, 0xadad00ad,
+ 0x77770077, 0x80800080, 0x82820082, 0xecec00ec, 0x27270027, 0xe5e500e5,
+ 0x85850085, 0x35350035, 0x0c0c000c, 0x41410041, 0xefef00ef, 0x93930093,
+ 0x19190019, 0x21210021, 0x0e0e000e, 0x4e4e004e, 0x65650065, 0xbdbd00bd,
+ 0xb8b800b8, 0x8f8f008f, 0xebeb00eb, 0xcece00ce, 0x30300030, 0x5f5f005f,
+ 0xc5c500c5, 0x1a1a001a, 0xe1e100e1, 0xcaca00ca, 0x47470047, 0x3d3d003d,
+ 0x01010001, 0xd6d600d6, 0x56560056, 0x4d4d004d, 0x0d0d000d, 0x66660066,
+ 0xcccc00cc, 0x2d2d002d, 0x12120012, 0x20200020, 0xb1b100b1, 0x99990099,
+ 0x4c4c004c, 0xc2c200c2, 0x7e7e007e, 0x05050005, 0xb7b700b7, 0x31310031,
+ 0x17170017, 0xd7d700d7, 0x58580058, 0x61610061, 0x1b1b001b, 0x1c1c001c,
+ 0x0f0f000f, 0x16160016, 0x18180018, 0x22220022, 0x44440044, 0xb2b200b2,
+ 0xb5b500b5, 0x91910091, 0x08080008, 0xa8a800a8, 0xfcfc00fc, 0x50500050,
+ 0xd0d000d0, 0x7d7d007d, 0x89890089, 0x97970097, 0x5b5b005b, 0x95950095,
+ 0xffff00ff, 0xd2d200d2, 0xc4c400c4, 0x48480048, 0xf7f700f7, 0xdbdb00db,
+ 0x03030003, 0xdada00da, 0x3f3f003f, 0x94940094, 0x5c5c005c, 0x02020002,
+ 0x4a4a004a, 0x33330033, 0x67670067, 0xf3f300f3, 0x7f7f007f, 0xe2e200e2,
+ 0x9b9b009b, 0x26260026, 0x37370037, 0x3b3b003b, 0x96960096, 0x4b4b004b,
+ 0xbebe00be, 0x2e2e002e, 0x79790079, 0x8c8c008c, 0x6e6e006e, 0x8e8e008e,
+ 0xf5f500f5, 0xb6b600b6, 0xfdfd00fd, 0x59590059, 0x98980098, 0x6a6a006a,
+ 0x46460046, 0xbaba00ba, 0x25250025, 0x42420042, 0xa2a200a2, 0xfafa00fa,
+ 0x07070007, 0x55550055, 0xeeee00ee, 0x0a0a000a, 0x49490049, 0x68680068,
+ 0x38380038, 0xa4a400a4, 0x28280028, 0x7b7b007b, 0xc9c900c9, 0xc1c100c1,
+ 0xe3e300e3, 0xf4f400f4, 0xc7c700c7, 0x9e9e009e
+};
+const Word SBOX2_0222[] =
+{
+ 0x00e0e0e0, 0x00050505, 0x00585858, 0x00d9d9d9, 0x00676767, 0x004e4e4e,
+ 0x00818181, 0x00cbcbcb, 0x00c9c9c9, 0x000b0b0b, 0x00aeaeae, 0x006a6a6a,
+ 0x00d5d5d5, 0x00181818, 0x005d5d5d, 0x00828282, 0x00464646, 0x00dfdfdf,
+ 0x00d6d6d6, 0x00272727, 0x008a8a8a, 0x00323232, 0x004b4b4b, 0x00424242,
+ 0x00dbdbdb, 0x001c1c1c, 0x009e9e9e, 0x009c9c9c, 0x003a3a3a, 0x00cacaca,
+ 0x00252525, 0x007b7b7b, 0x000d0d0d, 0x00717171, 0x005f5f5f, 0x001f1f1f,
+ 0x00f8f8f8, 0x00d7d7d7, 0x003e3e3e, 0x009d9d9d, 0x007c7c7c, 0x00606060,
+ 0x00b9b9b9, 0x00bebebe, 0x00bcbcbc, 0x008b8b8b, 0x00161616, 0x00343434,
+ 0x004d4d4d, 0x00c3c3c3, 0x00727272, 0x00959595, 0x00ababab, 0x008e8e8e,
+ 0x00bababa, 0x007a7a7a, 0x00b3b3b3, 0x00020202, 0x00b4b4b4, 0x00adadad,
+ 0x00a2a2a2, 0x00acacac, 0x00d8d8d8, 0x009a9a9a, 0x00171717, 0x001a1a1a,
+ 0x00353535, 0x00cccccc, 0x00f7f7f7, 0x00999999, 0x00616161, 0x005a5a5a,
+ 0x00e8e8e8, 0x00242424, 0x00565656, 0x00404040, 0x00e1e1e1, 0x00636363,
+ 0x00090909, 0x00333333, 0x00bfbfbf, 0x00989898, 0x00979797, 0x00858585,
+ 0x00686868, 0x00fcfcfc, 0x00ececec, 0x000a0a0a, 0x00dadada, 0x006f6f6f,
+ 0x00535353, 0x00626262, 0x00a3a3a3, 0x002e2e2e, 0x00080808, 0x00afafaf,
+ 0x00282828, 0x00b0b0b0, 0x00747474, 0x00c2c2c2, 0x00bdbdbd, 0x00363636,
+ 0x00222222, 0x00383838, 0x00646464, 0x001e1e1e, 0x00393939, 0x002c2c2c,
+ 0x00a6a6a6, 0x00303030, 0x00e5e5e5, 0x00444444, 0x00fdfdfd, 0x00888888,
+ 0x009f9f9f, 0x00656565, 0x00878787, 0x006b6b6b, 0x00f4f4f4, 0x00232323,
+ 0x00484848, 0x00101010, 0x00d1d1d1, 0x00515151, 0x00c0c0c0, 0x00f9f9f9,
+ 0x00d2d2d2, 0x00a0a0a0, 0x00555555, 0x00a1a1a1, 0x00414141, 0x00fafafa,
+ 0x00434343, 0x00131313, 0x00c4c4c4, 0x002f2f2f, 0x00a8a8a8, 0x00b6b6b6,
+ 0x003c3c3c, 0x002b2b2b, 0x00c1c1c1, 0x00ffffff, 0x00c8c8c8, 0x00a5a5a5,
+ 0x00202020, 0x00898989, 0x00000000, 0x00909090, 0x00474747, 0x00efefef,
+ 0x00eaeaea, 0x00b7b7b7, 0x00151515, 0x00060606, 0x00cdcdcd, 0x00b5b5b5,
+ 0x00121212, 0x007e7e7e, 0x00bbbbbb, 0x00292929, 0x000f0f0f, 0x00b8b8b8,
+ 0x00070707, 0x00040404, 0x009b9b9b, 0x00949494, 0x00212121, 0x00666666,
+ 0x00e6e6e6, 0x00cecece, 0x00ededed, 0x00e7e7e7, 0x003b3b3b, 0x00fefefe,
+ 0x007f7f7f, 0x00c5c5c5, 0x00a4a4a4, 0x00373737, 0x00b1b1b1, 0x004c4c4c,
+ 0x00919191, 0x006e6e6e, 0x008d8d8d, 0x00767676, 0x00030303, 0x002d2d2d,
+ 0x00dedede, 0x00969696, 0x00262626, 0x007d7d7d, 0x00c6c6c6, 0x005c5c5c,
+ 0x00d3d3d3, 0x00f2f2f2, 0x004f4f4f, 0x00191919, 0x003f3f3f, 0x00dcdcdc,
+ 0x00797979, 0x001d1d1d, 0x00525252, 0x00ebebeb, 0x00f3f3f3, 0x006d6d6d,
+ 0x005e5e5e, 0x00fbfbfb, 0x00696969, 0x00b2b2b2, 0x00f0f0f0, 0x00313131,
+ 0x000c0c0c, 0x00d4d4d4, 0x00cfcfcf, 0x008c8c8c, 0x00e2e2e2, 0x00757575,
+ 0x00a9a9a9, 0x004a4a4a, 0x00575757, 0x00848484, 0x00111111, 0x00454545,
+ 0x001b1b1b, 0x00f5f5f5, 0x00e4e4e4, 0x000e0e0e, 0x00737373, 0x00aaaaaa,
+ 0x00f1f1f1, 0x00dddddd, 0x00595959, 0x00141414, 0x006c6c6c, 0x00929292,
+ 0x00545454, 0x00d0d0d0, 0x00787878, 0x00707070, 0x00e3e3e3, 0x00494949,
+ 0x00808080, 0x00505050, 0x00a7a7a7, 0x00f6f6f6, 0x00777777, 0x00939393,
+ 0x00868686, 0x00838383, 0x002a2a2a, 0x00c7c7c7, 0x005b5b5b, 0x00e9e9e9,
+ 0x00eeeeee, 0x008f8f8f, 0x00010101, 0x003d3d3d
+};
+const Word SBOX3_3033[] =
+{
+ 0x38003838, 0x41004141, 0x16001616, 0x76007676, 0xd900d9d9, 0x93009393,
+ 0x60006060, 0xf200f2f2, 0x72007272, 0xc200c2c2, 0xab00abab, 0x9a009a9a,
+ 0x75007575, 0x06000606, 0x57005757, 0xa000a0a0, 0x91009191, 0xf700f7f7,
+ 0xb500b5b5, 0xc900c9c9, 0xa200a2a2, 0x8c008c8c, 0xd200d2d2, 0x90009090,
+ 0xf600f6f6, 0x07000707, 0xa700a7a7, 0x27002727, 0x8e008e8e, 0xb200b2b2,
+ 0x49004949, 0xde00dede, 0x43004343, 0x5c005c5c, 0xd700d7d7, 0xc700c7c7,
+ 0x3e003e3e, 0xf500f5f5, 0x8f008f8f, 0x67006767, 0x1f001f1f, 0x18001818,
+ 0x6e006e6e, 0xaf00afaf, 0x2f002f2f, 0xe200e2e2, 0x85008585, 0x0d000d0d,
+ 0x53005353, 0xf000f0f0, 0x9c009c9c, 0x65006565, 0xea00eaea, 0xa300a3a3,
+ 0xae00aeae, 0x9e009e9e, 0xec00ecec, 0x80008080, 0x2d002d2d, 0x6b006b6b,
+ 0xa800a8a8, 0x2b002b2b, 0x36003636, 0xa600a6a6, 0xc500c5c5, 0x86008686,
+ 0x4d004d4d, 0x33003333, 0xfd00fdfd, 0x66006666, 0x58005858, 0x96009696,
+ 0x3a003a3a, 0x09000909, 0x95009595, 0x10001010, 0x78007878, 0xd800d8d8,
+ 0x42004242, 0xcc00cccc, 0xef00efef, 0x26002626, 0xe500e5e5, 0x61006161,
+ 0x1a001a1a, 0x3f003f3f, 0x3b003b3b, 0x82008282, 0xb600b6b6, 0xdb00dbdb,
+ 0xd400d4d4, 0x98009898, 0xe800e8e8, 0x8b008b8b, 0x02000202, 0xeb00ebeb,
+ 0x0a000a0a, 0x2c002c2c, 0x1d001d1d, 0xb000b0b0, 0x6f006f6f, 0x8d008d8d,
+ 0x88008888, 0x0e000e0e, 0x19001919, 0x87008787, 0x4e004e4e, 0x0b000b0b,
+ 0xa900a9a9, 0x0c000c0c, 0x79007979, 0x11001111, 0x7f007f7f, 0x22002222,
+ 0xe700e7e7, 0x59005959, 0xe100e1e1, 0xda00dada, 0x3d003d3d, 0xc800c8c8,
+ 0x12001212, 0x04000404, 0x74007474, 0x54005454, 0x30003030, 0x7e007e7e,
+ 0xb400b4b4, 0x28002828, 0x55005555, 0x68006868, 0x50005050, 0xbe00bebe,
+ 0xd000d0d0, 0xc400c4c4, 0x31003131, 0xcb00cbcb, 0x2a002a2a, 0xad00adad,
+ 0x0f000f0f, 0xca00caca, 0x70007070, 0xff00ffff, 0x32003232, 0x69006969,
+ 0x08000808, 0x62006262, 0x00000000, 0x24002424, 0xd100d1d1, 0xfb00fbfb,
+ 0xba00baba, 0xed00eded, 0x45004545, 0x81008181, 0x73007373, 0x6d006d6d,
+ 0x84008484, 0x9f009f9f, 0xee00eeee, 0x4a004a4a, 0xc300c3c3, 0x2e002e2e,
+ 0xc100c1c1, 0x01000101, 0xe600e6e6, 0x25002525, 0x48004848, 0x99009999,
+ 0xb900b9b9, 0xb300b3b3, 0x7b007b7b, 0xf900f9f9, 0xce00cece, 0xbf00bfbf,
+ 0xdf00dfdf, 0x71007171, 0x29002929, 0xcd00cdcd, 0x6c006c6c, 0x13001313,
+ 0x64006464, 0x9b009b9b, 0x63006363, 0x9d009d9d, 0xc000c0c0, 0x4b004b4b,
+ 0xb700b7b7, 0xa500a5a5, 0x89008989, 0x5f005f5f, 0xb100b1b1, 0x17001717,
+ 0xf400f4f4, 0xbc00bcbc, 0xd300d3d3, 0x46004646, 0xcf00cfcf, 0x37003737,
+ 0x5e005e5e, 0x47004747, 0x94009494, 0xfa00fafa, 0xfc00fcfc, 0x5b005b5b,
+ 0x97009797, 0xfe00fefe, 0x5a005a5a, 0xac00acac, 0x3c003c3c, 0x4c004c4c,
+ 0x03000303, 0x35003535, 0xf300f3f3, 0x23002323, 0xb800b8b8, 0x5d005d5d,
+ 0x6a006a6a, 0x92009292, 0xd500d5d5, 0x21002121, 0x44004444, 0x51005151,
+ 0xc600c6c6, 0x7d007d7d, 0x39003939, 0x83008383, 0xdc00dcdc, 0xaa00aaaa,
+ 0x7c007c7c, 0x77007777, 0x56005656, 0x05000505, 0x1b001b1b, 0xa400a4a4,
+ 0x15001515, 0x34003434, 0x1e001e1e, 0x1c001c1c, 0xf800f8f8, 0x52005252,
+ 0x20002020, 0x14001414, 0xe900e9e9, 0xbd00bdbd, 0xdd00dddd, 0xe400e4e4,
+ 0xa100a1a1, 0xe000e0e0, 0x8a008a8a, 0xf100f1f1, 0xd600d6d6, 0x7a007a7a,
+ 0xbb00bbbb, 0xe300e3e3, 0x40004040, 0x4f004f4f
+};
+
+#define CopyConvertEndianness16in(src, dst) \
+do {\
+ (dst)[0] = GETU32((Byte *)(src));\
+ (dst)[1] = GETU32((Byte *)(src) + 4);\
+ (dst)[2] = GETU32((Byte *)(src) + 8);\
+ (dst)[3] = GETU32((Byte *)(src) + 12);\
+} while(0)
+#define CopyConvertEndianness16out(src, dst) \
+do{\
+ PUTU32(dst ,(src)[0]);\
+ PUTU32(dst + 4,(src)[1]);\
+ PUTU32(dst + 8,(src)[2]);\
+ PUTU32(dst + 12,(src)[3]);\
+}while(0)
+
+/* Computes the exclusive-or of x and y and assigns it to z, ie,
+ * z = x ^ y */
+#define XorBlock(x, y, z)\
+do {\
+ (z)[0] = (x)[0] ^ (y)[0];\
+ (z)[1] = (x)[1] ^ (y)[1];\
+ (z)[2] = (x)[2] ^ (y)[2];\
+ (z)[3] = (x)[3] ^ (y)[3];\
+} while(0)
+
+/* Transforms an array of 4 words by flipping the first two words
+ * with the last 2 words. */
+#define SwapHalf(x)\
+do {\
+ Word _t;\
+ _t = (x)[0];\
+ (x)[0] = (x)[2];\
+ (x)[2] = _t;\
+ _t = (x)[1];\
+ (x)[1] = (x)[3];\
+ (x)[3] = _t;\
+} while(0)
+
+/* This function is only used in key generation. */
+static void RotBlock(const Word x[], const int n, Word y[])
+{
+ int r = (n & 31); /* Must not be 0 */
+ int idx = (n >> 5);
+ int idx1 = (idx + 1) & 3;
+ int idx2 = (idx1 + 1) & 3;
+
+ y[0] = (x[idx] << r) | (x[idx1] >> (32 - r));
+ y[1] = (x[idx1] << r) | (x[idx2] >> (32 - r));
+}
+
+
+/* The phi algorithm given in C.2.7 of the Camellia spec document. */
+#if (USE_C_FEISTEL_CODE)
+static void Camellia_Feistel(Word *x, const Word *k, const int key_offset)
+ {
+ Word D, U;
+ Word s1, s2;
+
+ s1 = x[0] ^ k[0];
+ U = SBOX4_4404[(Byte)s1];
+ U ^= SBOX3_3033[(Byte)(s1 >> 8)];
+ U ^= SBOX2_0222[(Byte)(s1 >> 16)];
+ U ^= SBOX1_1110[(Byte)(s1 >> 24)];
+ s2 = x[1] ^ k[1];
+ D = SBOX1_1110[(Byte)s2];
+ D ^= SBOX4_4404[(Byte)(s2 >> 8)];
+ D ^= SBOX3_3033[(Byte)(s2 >> 16)];
+ D ^= SBOX2_0222[(Byte)(s2 >> 24)];
+
+ x[2] ^= D ^ U;
+ x[3] ^= D ^ U ^ RightRotate(U, 8);
+
+ s1 = x[2] ^ k[key_offset];
+ U = SBOX4_4404[(Byte)s1];
+ U ^= SBOX3_3033[(Byte)(s1 >> 8)];
+ U ^= SBOX2_0222[(Byte)(s1 >> 16)];
+ U ^= SBOX1_1110[(Byte)(s1 >> 24)];
+ s2 = x[3] ^ k[key_offset+1];
+ D = SBOX1_1110[(Byte)s2];
+ D ^= SBOX4_4404[(Byte)(s2 >> 8)];
+ D ^= SBOX3_3033[(Byte)(s2 >> 16)];
+ D ^= SBOX2_0222[(Byte)(s2 >> 24)];
+
+ x[0] ^= D ^ U;
+ x[1] ^= D ^ U ^ RightRotate(U, 8);
+ }
+
+#else /* use macro code. Slower on PC due to code/cache interaction */
+
+#define Camellia_Feistel(xx,kk,oo)\
+do {\
+ Word * const _x = (Word *)(xx);\
+ const Word * const _k = (Word *)(kk);\
+ Word _D, _U;\
+ Word _s1, _s2;\
+\
+ _s1 = _x[0] ^ _k[0];\
+ _U = SBOX4_4404[(Byte)_s1];\
+ _U ^= SBOX3_3033[(Byte)(_s1 >> 8)];\
+ _U ^= SBOX2_0222[(Byte)(_s1 >> 16)];\
+ _U ^= SBOX1_1110[(Byte)(_s1 >> 24)];\
+ _s2 = _x[1] ^ _k[1];\
+ _D = SBOX1_1110[(Byte)_s2];\
+ _D ^= SBOX4_4404[(Byte)(_s2 >> 8)];\
+ _D ^= SBOX3_3033[(Byte)(_s2 >> 16)];\
+ _D ^= SBOX2_0222[(Byte)(_s2 >> 24)];\
+\
+ _x[2] ^= _D ^ _U;\
+ _x[3] ^= _D ^ _U ^ RightRotate(_U, 8);\
+\
+ _s1 = _x[2] ^ _k[oo];\
+ _U = SBOX4_4404[(Byte)_s1];\
+ _U ^= SBOX3_3033[(Byte)(_s1 >> 8)];\
+ _U ^= SBOX2_0222[(Byte)(_s1 >> 16)];\
+ _U ^= SBOX1_1110[(Byte)(_s1 >> 24)];\
+ _s2 = _x[3] ^ _k[(oo)+1];\
+ _D = SBOX1_1110[(Byte)_s2];\
+ _D ^= SBOX4_4404[(Byte)(_s2 >> 8)];\
+ _D ^= SBOX3_3033[(Byte)(_s2 >> 16)];\
+ _D ^= SBOX2_0222[(Byte)(_s2 >> 24)];\
+\
+ _x[0] ^= _D ^ _U;\
+ _x[1] ^= _D ^ _U ^ RightRotate(_U, 8);\
+} while(0)
+
+#endif /* USE_C_FEISTEL_CODE */
+
+
+/* Key generation constants */
+
+const Word SIGMA[] = {
+ 0xa09e667f, 0x3bcc908b,
+ 0xb67ae858, 0x4caa73b2,
+ 0xc6ef372f, 0xe94f82be,
+ 0x54ff53a5, 0xf1d36f1c,
+ 0x10e527fa, 0xde682d1d,
+ 0xb05688c2, 0xb3e6c1fd
+};
+
+const int KSFT1[26] = {
+ 0, 64, 0, 64, 15, 79, 15, 79, 30, 94, 45, 109, 45, 124, 60, 124, 77, 13,
+ 94, 30, 94, 30, 111, 47, 111, 47
+};
+
+const int KIDX1[26] = {
+ 0, 0, 8, 8, 0, 0, 8, 8, 8, 8, 0, 0, 8, 0, 8, 8, 0, 0, 0, 0, 8, 8, 0, 0, 8, 8
+};
+
+const int KSFT2[34] = {
+ 0, 64, 0, 64, 15, 79, 15, 79, 30, 94, 30, 94, 45, 109, 45, 109, 60, 124,
+ 60, 124, 60, 124, 77, 13, 77, 13, 94, 30, 94, 30, 111, 47, 111, 47
+};
+
+const int KIDX2[34] = {
+ 0, 0, 12, 12, 4, 4, 8, 8, 4, 4, 12, 12, 0, 0, 8, 8, 0, 0, 4, 4, 12, 12,
+ 0, 0, 8, 8, 4, 4, 8, 8, 0, 0, 12, 12
+};
+
+
+/* Generates the key table e from rawKey. The reference implementation has been
+ * mangled to avoid the necessity of having to separately code the Feistel function. */
+void Camellia_Ekeygen(const int keyBitLength, const Byte *rawKey, KEY_TABLE_TYPE keyTable)
+ {
+ Word t[16];
+ int i;
+
+
+ /* Copy raw key material into the key table. Keep the bytes register- */
+ /* endian-correct (ie. bytes appear in registers in the correct order */
+ /* but will appear reversed in memory on a little-endian machine */
+ if (keyBitLength == 128)
+ {
+ CopyConvertEndianness16in((Word *)rawKey, (Word *)t);
+ for (i = 4; i < 8; i++)
+ t[i] = 0;
+ }
+ else if (keyBitLength == 192)
+ {
+ CopyConvertEndianness16in((Word *)rawKey, (Word *)t);
+ for (i = 4; i < 6; i++)
+ {
+ Word tmp = (rawKey[4*i] << 24) | (rawKey[4*i+1] << 16) |
+ (rawKey[4*i+2] << 8) | (rawKey[4*i+3] << 0);
+ t[i] = tmp;
+ t[i+2] = ~tmp;
+ }
+ }
+ else if (keyBitLength == 256)
+ {
+ CopyConvertEndianness16in((Word *)rawKey, (Word *)t);
+ CopyConvertEndianness16in(((Word *)rawKey)+4, ((Word *)t)+4);
+ }
+
+ /* Use the Feistel routine to scramble the key material */
+ XorBlock(t, t+4, t+8);
+ Camellia_Feistel(t+8, SIGMA, 2);
+ XorBlock(t+8, t, t+8);
+ Camellia_Feistel(t+8, SIGMA+4,2);
+
+ /* Fill the keyTable. Requires many block rotations. */
+ if (keyBitLength == 128)
+ {
+ memcpy(keyTable, t, 16);
+ memcpy(keyTable+4, t+8, 16);
+ for (i = 4; i < 26; i += 2 )
+ {
+ RotBlock(t + KIDX1[i + 0], KSFT1[i + 0], keyTable+i*2);
+ RotBlock(t + KIDX1[i + 1], KSFT1[i + 1], keyTable+i*2+2);
+ }
+ }
+ else
+ {
+ XorBlock(t+8, t+4, t+12);
+ Camellia_Feistel(t+12, SIGMA+8,2);
+ memcpy(keyTable, t, 16);
+ memcpy(keyTable+4, t+12, 16);
+ for (i = 4; i < 34; i += 2)
+ {
+ RotBlock(t + KIDX2[i + 0], KSFT2[i + 0], keyTable+i*2);
+ RotBlock(t + KIDX2[i + 1], KSFT2[i + 1], keyTable+i*2+2);
+ }
+ }
+
+ }
+
+
+/* Described in great length in the accompanying document. */
+void Camellia_EncryptBlock(const int keyBitLength, const Byte plaintext[],
+ const KEY_TABLE_TYPE keyTable, Byte ciphertext[])
+ {
+ int j;
+ int grandRounds;
+
+ int totalGrandRounds = (keyBitLength == 128)? 3 : 4;
+ Word status[4];
+ int flayerLimit = totalGrandRounds - 1;
+ const Word *k = keyTable+4;
+
+ /* Copy over plaintext to a ciphertext buffer */
+ CopyConvertEndianness16in(plaintext, status);
+
+ /* Encrypt plaintext block via multiple Feistel rounds */
+
+ XorBlock(status, keyTable, status);
+
+
+ for (grandRounds = 0; grandRounds < totalGrandRounds; grandRounds++)
+ {
+ /* Camellia makes 6 Feistel rounds */
+ for (j = 0; j < 6; j+=2, k += 4)
+ Camellia_Feistel(status,k,2);
+
+ if (grandRounds < flayerLimit)
+ {
+ /* This is the same function as the diffusion function D of
+ * the accompanying documentation. See section 3.2 of the
+ * accompanying documentation for properties of the FLlayer function. */
+ status[1] ^= LeftRotate(status[0] & k[0], 1);
+ status[0] ^= status[1] | k[1];
+ status[2] ^= status[3] | k[3];
+ status[3] ^= LeftRotate(status[2] & k[2], 1);
+ k += 4;
+ }
+ }
+
+ /* Apply the permutation function Pi1. Since Pi1 uses the key words in ascending
+ * order it is necessary when decrypting to decrement the key word ptr again. */
+ SwapHalf(status);
+ XorBlock(status, k, status);
+
+ /* Convert endianness if needed and copy out to output array */
+ CopyConvertEndianness16out(status, ciphertext);
+
+ }
+
+/* Described in great length in the accompanying document. */
+void Camellia_DecryptBlock(const int keyBitLength, const Byte ciphertext[],
+ const KEY_TABLE_TYPE keyTable, Byte plaintext[])
+ {
+ int grandRounds;
+ int flayerLimit;
+ int totalGrandRounds;
+ int keyTableOffset;
+ int j;
+ const Word *k;
+ Word status[4];
+
+ if (keyBitLength == 128)
+ {
+ totalGrandRounds = 3;
+ keyTableOffset = 48;
+ }
+ else
+ {
+ totalGrandRounds = 4;
+ keyTableOffset = 64;
+ }
+ k = keyTable+keyTableOffset;
+ flayerLimit = totalGrandRounds - 1;
+
+ /* Copy over cipher text to a Word aligned buffer */
+ CopyConvertEndianness16in(ciphertext, status);
+
+ /* Decrypt ciphertext block */
+ XorBlock(status, k, status);
+ k -= 2;
+
+ for (grandRounds = 0; grandRounds < totalGrandRounds; grandRounds++)
+ {
+ /* Camellia makes 6 Feistel rounds */
+ for (j = 0; j < 6; j+=2, k -= 4)
+ Camellia_Feistel(status,k,-2);
+
+ if (grandRounds < flayerLimit)
+ {
+ /* This is the same function as the diffusion function D of
+ * the accompanying documentation. See section 3.2 of the
+ * accompanying documentation for properties of the FLlayer function. */
+ status[1] ^= LeftRotate(status[0] & k[0], 1);
+ status[0] ^= status[1] | k[1];
+ status[2] ^= status[3] | k[-1];
+ status[3] ^= LeftRotate(status[2] & k[-2], 1);
+ k -= 4;
+ }
+ }
+
+ /* Apply the permutation function Pi1. Since Pi1 uses the key words in ascending
+ * order it is necessary when decrypting to decrement the key word ptr again. */
+ k -= 2;
+ SwapHalf(status);
+ XorBlock(status, k, status);
+
+ /* Convert endianness if needed and copy out to output array */
+ CopyConvertEndianness16out(status, plaintext);
+
+ }
+
projects / openssl.git / commitdiff