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crypto/camellia_generic.c 34.2 KB
1ccea77e2   Thomas Gleixner   treewide: Replace...
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  // SPDX-License-Identifier: GPL-2.0-or-later
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
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  /*
   * Copyright (C) 2006
   * NTT (Nippon Telegraph and Telephone Corporation).
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
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   */
  
  /*
   * Algorithm Specification
9332a9e73   Alexander A. Klimov   crypto: Replace H...
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   *  https://info.isl.ntt.co.jp/crypt/eng/camellia/specifications.html
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
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   */
  
  /*
   *
   * NOTE --- NOTE --- NOTE --- NOTE
   * This implementation assumes that all memory addresses passed
   * as parameters are four-byte aligned.
   *
   */
  
  #include <linux/crypto.h>
  #include <linux/errno.h>
  #include <linux/init.h>
  #include <linux/kernel.h>
  #include <linux/module.h>
32bd78e0a   Harvey Harrison   crypto: camellia ...
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  #include <linux/bitops.h>
  #include <asm/unaligned.h>
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
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d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
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  static const u32 camellia_sp1110[256] = {
621dd3692   Richard Hartmann   crypto: camellia ...
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  	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,
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
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  };
  
  static const u32 camellia_sp0222[256] = {
621dd3692   Richard Hartmann   crypto: camellia ...
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  	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,
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
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  };
  
  static const u32 camellia_sp3033[256] = {
621dd3692   Richard Hartmann   crypto: camellia ...
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  	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,
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
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  };
  
  static const u32 camellia_sp4404[256] = {
621dd3692   Richard Hartmann   crypto: camellia ...
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  	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,
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
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  };
1721a8125   Denys Vlasenko   [CRYPTO] camellia...
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  #define CAMELLIA_MIN_KEY_SIZE        16
  #define CAMELLIA_MAX_KEY_SIZE        32
  #define CAMELLIA_BLOCK_SIZE          16
  #define CAMELLIA_TABLE_BYTE_LEN     272
2ddae4a64   Denys Vlasenko   [CRYPTO] camellia...
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  /*
   * NB: L and R below stand for 'left' and 'right' as in written numbers.
   * That is, in (xxxL,xxxR) pair xxxL holds most significant digits,
   * _not_ least significant ones!
   */
1721a8125   Denys Vlasenko   [CRYPTO] camellia...
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  /* key constants */
  
  #define CAMELLIA_SIGMA1L (0xA09E667FL)
  #define CAMELLIA_SIGMA1R (0x3BCC908BL)
  #define CAMELLIA_SIGMA2L (0xB67AE858L)
  #define CAMELLIA_SIGMA2R (0x4CAA73B2L)
  #define CAMELLIA_SIGMA3L (0xC6EF372FL)
  #define CAMELLIA_SIGMA3R (0xE94F82BEL)
  #define CAMELLIA_SIGMA4L (0x54FF53A5L)
  #define CAMELLIA_SIGMA4R (0xF1D36F1CL)
  #define CAMELLIA_SIGMA5L (0x10E527FAL)
  #define CAMELLIA_SIGMA5R (0xDE682D1DL)
  #define CAMELLIA_SIGMA6L (0xB05688C2L)
  #define CAMELLIA_SIGMA6R (0xB3E6C1FDL)
  
  /*
   *  macros
   */
e2861a71c   Jussi Kivilinna   crypto: camellia ...
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  #define ROLDQ(ll, lr, rl, rr, w0, w1, bits) ({		\
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  	w0 = ll;					\
  	ll = (ll << bits) + (lr >> (32 - bits));	\
  	lr = (lr << bits) + (rl >> (32 - bits));	\
  	rl = (rl << bits) + (rr >> (32 - bits));	\
  	rr = (rr << bits) + (w0 >> (32 - bits));	\
e2861a71c   Jussi Kivilinna   crypto: camellia ...
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  })
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e2861a71c   Jussi Kivilinna   crypto: camellia ...
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  #define ROLDQo32(ll, lr, rl, rr, w0, w1, bits) ({	\
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  	w0 = ll;					\
  	w1 = lr;					\
  	ll = (lr << (bits - 32)) + (rl >> (64 - bits));	\
  	lr = (rl << (bits - 32)) + (rr >> (64 - bits));	\
  	rl = (rr << (bits - 32)) + (w0 >> (64 - bits));	\
  	rr = (w0 << (bits - 32)) + (w1 >> (64 - bits));	\
e2861a71c   Jussi Kivilinna   crypto: camellia ...
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  })
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e2861a71c   Jussi Kivilinna   crypto: camellia ...
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  #define CAMELLIA_F(xl, xr, kl, kr, yl, yr, il, ir, t0, t1) ({	\
1721a8125   Denys Vlasenko   [CRYPTO] camellia...
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  	il = xl ^ kl;						\
  	ir = xr ^ kr;						\
  	t0 = il >> 16;						\
  	t1 = ir >> 16;						\
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  	yl = camellia_sp1110[(u8)(ir)]				\
  	   ^ camellia_sp0222[(u8)(t1 >> 8)]			\
  	   ^ camellia_sp3033[(u8)(t1)]				\
2ddae4a64   Denys Vlasenko   [CRYPTO] camellia...
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  	   ^ camellia_sp4404[(u8)(ir >> 8)];			\
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  	yr = camellia_sp1110[(u8)(t0 >> 8)]			\
  	   ^ camellia_sp0222[(u8)(t0)]				\
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  	   ^ camellia_sp3033[(u8)(il >> 8)]			\
e2861a71c   Jussi Kivilinna   crypto: camellia ...
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  	   ^ camellia_sp4404[(u8)(il)];				\
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  	yl ^= yr;						\
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  	yr = ror32(yr, 8);					\
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  	yr ^= yl;						\
e2861a71c   Jussi Kivilinna   crypto: camellia ...
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  })
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3a5e5f810   Denys Vlasenko   [CRYPTO] camellia...
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  #define SUBKEY_L(INDEX) (subkey[(INDEX)*2])
  #define SUBKEY_R(INDEX) (subkey[(INDEX)*2 + 1])
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
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dedcf8b06   Denys Vlasenko   [CRYPTO] camellia...
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  static void camellia_setup_tail(u32 *subkey, u32 *subL, u32 *subR, int max)
d3e748057   Denys Vlasenko   [CRYPTO] camellia...
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  {
dedcf8b06   Denys Vlasenko   [CRYPTO] camellia...
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  	u32 dw, tl, tr;
ff85a8082   Denys Vlasenko   [CRYPTO] camellia...
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  	u32 kw4l, kw4r;
dedcf8b06   Denys Vlasenko   [CRYPTO] camellia...
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ff85a8082   Denys Vlasenko   [CRYPTO] camellia...
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  	/* absorb kw2 to other subkeys */
  	/* round 2 */
  	subL[3] ^= subL[1]; subR[3] ^= subR[1];
  	/* round 4 */
  	subL[5] ^= subL[1]; subR[5] ^= subR[1];
  	/* round 6 */
  	subL[7] ^= subL[1]; subR[7] ^= subR[1];
  	subL[1] ^= subR[1] & ~subR[9];
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  	dw = subL[1] & subL[9];
  	subR[1] ^= rol32(dw, 1); /* modified for FLinv(kl2) */
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  	/* round 8 */
  	subL[11] ^= subL[1]; subR[11] ^= subR[1];
  	/* round 10 */
  	subL[13] ^= subL[1]; subR[13] ^= subR[1];
  	/* round 12 */
  	subL[15] ^= subL[1]; subR[15] ^= subR[1];
  	subL[1] ^= subR[1] & ~subR[17];
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  	dw = subL[1] & subL[17];
  	subR[1] ^= rol32(dw, 1); /* modified for FLinv(kl4) */
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  	/* round 14 */
  	subL[19] ^= subL[1]; subR[19] ^= subR[1];
  	/* round 16 */
  	subL[21] ^= subL[1]; subR[21] ^= subR[1];
  	/* round 18 */
  	subL[23] ^= subL[1]; subR[23] ^= subR[1];
  	if (max == 24) {
  		/* kw3 */
  		subL[24] ^= subL[1]; subR[24] ^= subR[1];
  
  	/* absorb kw4 to other subkeys */
  		kw4l = subL[25]; kw4r = subR[25];
  	} else {
  		subL[1] ^= subR[1] & ~subR[25];
452ec0498   Julia Lawall   crypto: camellia_...
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  		dw = subL[1] & subL[25];
  		subR[1] ^= rol32(dw, 1); /* modified for FLinv(kl6) */
ff85a8082   Denys Vlasenko   [CRYPTO] camellia...
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  		/* round 20 */
  		subL[27] ^= subL[1]; subR[27] ^= subR[1];
  		/* round 22 */
  		subL[29] ^= subL[1]; subR[29] ^= subR[1];
  		/* round 24 */
  		subL[31] ^= subL[1]; subR[31] ^= subR[1];
  		/* kw3 */
  		subL[32] ^= subL[1]; subR[32] ^= subR[1];
  
  	/* absorb kw4 to other subkeys */
  		kw4l = subL[33]; kw4r = subR[33];
  		/* round 23 */
  		subL[30] ^= kw4l; subR[30] ^= kw4r;
  		/* round 21 */
  		subL[28] ^= kw4l; subR[28] ^= kw4r;
  		/* round 19 */
  		subL[26] ^= kw4l; subR[26] ^= kw4r;
  		kw4l ^= kw4r & ~subR[24];
452ec0498   Julia Lawall   crypto: camellia_...
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  		dw = kw4l & subL[24];
  		kw4r ^= rol32(dw, 1); /* modified for FL(kl5) */
ff85a8082   Denys Vlasenko   [CRYPTO] camellia...
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  	}
  	/* round 17 */
  	subL[22] ^= kw4l; subR[22] ^= kw4r;
  	/* round 15 */
  	subL[20] ^= kw4l; subR[20] ^= kw4r;
  	/* round 13 */
  	subL[18] ^= kw4l; subR[18] ^= kw4r;
  	kw4l ^= kw4r & ~subR[16];
452ec0498   Julia Lawall   crypto: camellia_...
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  	dw = kw4l & subL[16];
  	kw4r ^= rol32(dw, 1); /* modified for FL(kl3) */
ff85a8082   Denys Vlasenko   [CRYPTO] camellia...
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  	/* round 11 */
  	subL[14] ^= kw4l; subR[14] ^= kw4r;
  	/* round 9 */
  	subL[12] ^= kw4l; subR[12] ^= kw4r;
  	/* round 7 */
  	subL[10] ^= kw4l; subR[10] ^= kw4r;
  	kw4l ^= kw4r & ~subR[8];
452ec0498   Julia Lawall   crypto: camellia_...
438
439
  	dw = kw4l & subL[8];
  	kw4r ^= rol32(dw, 1); /* modified for FL(kl1) */
ff85a8082   Denys Vlasenko   [CRYPTO] camellia...
440
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  	/* round 5 */
  	subL[6] ^= kw4l; subR[6] ^= kw4r;
  	/* round 3 */
  	subL[4] ^= kw4l; subR[4] ^= kw4r;
  	/* round 1 */
  	subL[2] ^= kw4l; subR[2] ^= kw4r;
  	/* kw1 */
  	subL[0] ^= kw4l; subR[0] ^= kw4r;
dedcf8b06   Denys Vlasenko   [CRYPTO] camellia...
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  	/* key XOR is end of F-function */
  	SUBKEY_L(0) = subL[0] ^ subL[2];/* kw1 */
  	SUBKEY_R(0) = subR[0] ^ subR[2];
  	SUBKEY_L(2) = subL[3];       /* round 1 */
  	SUBKEY_R(2) = subR[3];
  	SUBKEY_L(3) = subL[2] ^ subL[4]; /* round 2 */
  	SUBKEY_R(3) = subR[2] ^ subR[4];
  	SUBKEY_L(4) = subL[3] ^ subL[5]; /* round 3 */
  	SUBKEY_R(4) = subR[3] ^ subR[5];
  	SUBKEY_L(5) = subL[4] ^ subL[6]; /* round 4 */
  	SUBKEY_R(5) = subR[4] ^ subR[6];
  	SUBKEY_L(6) = subL[5] ^ subL[7]; /* round 5 */
  	SUBKEY_R(6) = subR[5] ^ subR[7];
  	tl = subL[10] ^ (subR[10] & ~subR[8]);
452ec0498   Julia Lawall   crypto: camellia_...
462
463
  	dw = tl & subL[8];  /* FL(kl1) */
  	tr = subR[10] ^ rol32(dw, 1);
dedcf8b06   Denys Vlasenko   [CRYPTO] camellia...
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  	SUBKEY_L(7) = subL[6] ^ tl; /* round 6 */
  	SUBKEY_R(7) = subR[6] ^ tr;
  	SUBKEY_L(8) = subL[8];       /* FL(kl1) */
  	SUBKEY_R(8) = subR[8];
  	SUBKEY_L(9) = subL[9];       /* FLinv(kl2) */
  	SUBKEY_R(9) = subR[9];
  	tl = subL[7] ^ (subR[7] & ~subR[9]);
452ec0498   Julia Lawall   crypto: camellia_...
471
472
  	dw = tl & subL[9];  /* FLinv(kl2) */
  	tr = subR[7] ^ rol32(dw, 1);
dedcf8b06   Denys Vlasenko   [CRYPTO] camellia...
473
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  	SUBKEY_L(10) = tl ^ subL[11]; /* round 7 */
  	SUBKEY_R(10) = tr ^ subR[11];
  	SUBKEY_L(11) = subL[10] ^ subL[12]; /* round 8 */
  	SUBKEY_R(11) = subR[10] ^ subR[12];
  	SUBKEY_L(12) = subL[11] ^ subL[13]; /* round 9 */
  	SUBKEY_R(12) = subR[11] ^ subR[13];
  	SUBKEY_L(13) = subL[12] ^ subL[14]; /* round 10 */
  	SUBKEY_R(13) = subR[12] ^ subR[14];
  	SUBKEY_L(14) = subL[13] ^ subL[15]; /* round 11 */
  	SUBKEY_R(14) = subR[13] ^ subR[15];
  	tl = subL[18] ^ (subR[18] & ~subR[16]);
452ec0498   Julia Lawall   crypto: camellia_...
484
485
  	dw = tl & subL[16]; /* FL(kl3) */
  	tr = subR[18] ^ rol32(dw, 1);
dedcf8b06   Denys Vlasenko   [CRYPTO] camellia...
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  	SUBKEY_L(15) = subL[14] ^ tl; /* round 12 */
  	SUBKEY_R(15) = subR[14] ^ tr;
  	SUBKEY_L(16) = subL[16];     /* FL(kl3) */
  	SUBKEY_R(16) = subR[16];
  	SUBKEY_L(17) = subL[17];     /* FLinv(kl4) */
  	SUBKEY_R(17) = subR[17];
  	tl = subL[15] ^ (subR[15] & ~subR[17]);
452ec0498   Julia Lawall   crypto: camellia_...
493
494
  	dw = tl & subL[17]; /* FLinv(kl4) */
  	tr = subR[15] ^ rol32(dw, 1);
dedcf8b06   Denys Vlasenko   [CRYPTO] camellia...
495
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  	SUBKEY_L(18) = tl ^ subL[19]; /* round 13 */
  	SUBKEY_R(18) = tr ^ subR[19];
  	SUBKEY_L(19) = subL[18] ^ subL[20]; /* round 14 */
  	SUBKEY_R(19) = subR[18] ^ subR[20];
  	SUBKEY_L(20) = subL[19] ^ subL[21]; /* round 15 */
  	SUBKEY_R(20) = subR[19] ^ subR[21];
  	SUBKEY_L(21) = subL[20] ^ subL[22]; /* round 16 */
  	SUBKEY_R(21) = subR[20] ^ subR[22];
  	SUBKEY_L(22) = subL[21] ^ subL[23]; /* round 17 */
  	SUBKEY_R(22) = subR[21] ^ subR[23];
  	if (max == 24) {
  		SUBKEY_L(23) = subL[22];     /* round 18 */
  		SUBKEY_R(23) = subR[22];
  		SUBKEY_L(24) = subL[24] ^ subL[23]; /* kw3 */
  		SUBKEY_R(24) = subR[24] ^ subR[23];
  	} else {
  		tl = subL[26] ^ (subR[26] & ~subR[24]);
452ec0498   Julia Lawall   crypto: camellia_...
512
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  		dw = tl & subL[24]; /* FL(kl5) */
  		tr = subR[26] ^ rol32(dw, 1);
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  		SUBKEY_L(23) = subL[22] ^ tl; /* round 18 */
  		SUBKEY_R(23) = subR[22] ^ tr;
  		SUBKEY_L(24) = subL[24];     /* FL(kl5) */
  		SUBKEY_R(24) = subR[24];
  		SUBKEY_L(25) = subL[25];     /* FLinv(kl6) */
  		SUBKEY_R(25) = subR[25];
  		tl = subL[23] ^ (subR[23] & ~subR[25]);
452ec0498   Julia Lawall   crypto: camellia_...
521
522
  		dw = tl & subL[25]; /* FLinv(kl6) */
  		tr = subR[23] ^ rol32(dw, 1);
dedcf8b06   Denys Vlasenko   [CRYPTO] camellia...
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
  		SUBKEY_L(26) = tl ^ subL[27]; /* round 19 */
  		SUBKEY_R(26) = tr ^ subR[27];
  		SUBKEY_L(27) = subL[26] ^ subL[28]; /* round 20 */
  		SUBKEY_R(27) = subR[26] ^ subR[28];
  		SUBKEY_L(28) = subL[27] ^ subL[29]; /* round 21 */
  		SUBKEY_R(28) = subR[27] ^ subR[29];
  		SUBKEY_L(29) = subL[28] ^ subL[30]; /* round 22 */
  		SUBKEY_R(29) = subR[28] ^ subR[30];
  		SUBKEY_L(30) = subL[29] ^ subL[31]; /* round 23 */
  		SUBKEY_R(30) = subR[29] ^ subR[31];
  		SUBKEY_L(31) = subL[30];     /* round 24 */
  		SUBKEY_R(31) = subR[30];
  		SUBKEY_L(32) = subL[32] ^ subL[31]; /* kw3 */
  		SUBKEY_R(32) = subR[32] ^ subR[31];
  	}
d3e748057   Denys Vlasenko   [CRYPTO] camellia...
538
  }
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
539
540
541
542
  static void camellia_setup128(const unsigned char *key, u32 *subkey)
  {
  	u32 kll, klr, krl, krr;
  	u32 il, ir, t0, t1, w0, w1;
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
543
544
545
546
  	u32 subL[26];
  	u32 subR[26];
  
  	/**
dedcf8b06   Denys Vlasenko   [CRYPTO] camellia...
547
  	 *  k == kll || klr || krl || krr (|| is concatenation)
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
548
  	 */
32bd78e0a   Harvey Harrison   crypto: camellia ...
549
550
551
552
  	kll = get_unaligned_be32(key);
  	klr = get_unaligned_be32(key + 4);
  	krl = get_unaligned_be32(key + 8);
  	krr = get_unaligned_be32(key + 12);
1ce73e8d6   Denys Vlasenko   [CRYPTO] camellia...
553

dedcf8b06   Denys Vlasenko   [CRYPTO] camellia...
554
  	/* generate KL dependent subkeys */
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
555
  	/* kw1 */
1721a8125   Denys Vlasenko   [CRYPTO] camellia...
556
  	subL[0] = kll; subR[0] = klr;
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
557
  	/* kw2 */
1721a8125   Denys Vlasenko   [CRYPTO] camellia...
558
  	subL[1] = krl; subR[1] = krr;
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
559
  	/* rotation left shift 15bit */
3a5e5f810   Denys Vlasenko   [CRYPTO] camellia...
560
  	ROLDQ(kll, klr, krl, krr, w0, w1, 15);
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
561
  	/* k3 */
1721a8125   Denys Vlasenko   [CRYPTO] camellia...
562
  	subL[4] = kll; subR[4] = klr;
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
563
  	/* k4 */
1721a8125   Denys Vlasenko   [CRYPTO] camellia...
564
  	subL[5] = krl; subR[5] = krr;
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
565
  	/* rotation left shift 15+30bit */
3a5e5f810   Denys Vlasenko   [CRYPTO] camellia...
566
  	ROLDQ(kll, klr, krl, krr, w0, w1, 30);
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
567
  	/* k7 */
1721a8125   Denys Vlasenko   [CRYPTO] camellia...
568
  	subL[10] = kll; subR[10] = klr;
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
569
  	/* k8 */
1721a8125   Denys Vlasenko   [CRYPTO] camellia...
570
  	subL[11] = krl; subR[11] = krr;
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
571
  	/* rotation left shift 15+30+15bit */
3a5e5f810   Denys Vlasenko   [CRYPTO] camellia...
572
  	ROLDQ(kll, klr, krl, krr, w0, w1, 15);
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
573
  	/* k10 */
1721a8125   Denys Vlasenko   [CRYPTO] camellia...
574
  	subL[13] = krl; subR[13] = krr;
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
575
  	/* rotation left shift 15+30+15+17 bit */
3a5e5f810   Denys Vlasenko   [CRYPTO] camellia...
576
  	ROLDQ(kll, klr, krl, krr, w0, w1, 17);
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
577
  	/* kl3 */
1721a8125   Denys Vlasenko   [CRYPTO] camellia...
578
  	subL[16] = kll; subR[16] = klr;
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
579
  	/* kl4 */
1721a8125   Denys Vlasenko   [CRYPTO] camellia...
580
  	subL[17] = krl; subR[17] = krr;
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
581
  	/* rotation left shift 15+30+15+17+17 bit */
3a5e5f810   Denys Vlasenko   [CRYPTO] camellia...
582
  	ROLDQ(kll, klr, krl, krr, w0, w1, 17);
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
583
  	/* k13 */
1721a8125   Denys Vlasenko   [CRYPTO] camellia...
584
  	subL[18] = kll; subR[18] = klr;
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
585
  	/* k14 */
1721a8125   Denys Vlasenko   [CRYPTO] camellia...
586
  	subL[19] = krl; subR[19] = krr;
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
587
  	/* rotation left shift 15+30+15+17+17+17 bit */
3a5e5f810   Denys Vlasenko   [CRYPTO] camellia...
588
  	ROLDQ(kll, klr, krl, krr, w0, w1, 17);
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
589
  	/* k17 */
1721a8125   Denys Vlasenko   [CRYPTO] camellia...
590
  	subL[22] = kll; subR[22] = klr;
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
591
  	/* k18 */
1721a8125   Denys Vlasenko   [CRYPTO] camellia...
592
  	subL[23] = krl; subR[23] = krr;
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
593
594
  
  	/* generate KA */
1721a8125   Denys Vlasenko   [CRYPTO] camellia...
595
596
  	kll = subL[0]; klr = subR[0];
  	krl = subL[1]; krr = subR[1];
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
  	CAMELLIA_F(kll, klr,
  		   CAMELLIA_SIGMA1L, CAMELLIA_SIGMA1R,
  		   w0, w1, il, ir, t0, t1);
  	krl ^= w0; krr ^= w1;
  	CAMELLIA_F(krl, krr,
  		   CAMELLIA_SIGMA2L, CAMELLIA_SIGMA2R,
  		   kll, klr, il, ir, t0, t1);
  	/* current status == (kll, klr, w0, w1) */
  	CAMELLIA_F(kll, klr,
  		   CAMELLIA_SIGMA3L, CAMELLIA_SIGMA3R,
  		   krl, krr, il, ir, t0, t1);
  	krl ^= w0; krr ^= w1;
  	CAMELLIA_F(krl, krr,
  		   CAMELLIA_SIGMA4L, CAMELLIA_SIGMA4R,
  		   w0, w1, il, ir, t0, t1);
  	kll ^= w0; klr ^= w1;
  
  	/* generate KA dependent subkeys */
  	/* k1, k2 */
1721a8125   Denys Vlasenko   [CRYPTO] camellia...
616
617
  	subL[2] = kll; subR[2] = klr;
  	subL[3] = krl; subR[3] = krr;
3a5e5f810   Denys Vlasenko   [CRYPTO] camellia...
618
  	ROLDQ(kll, klr, krl, krr, w0, w1, 15);
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
619
  	/* k5,k6 */
1721a8125   Denys Vlasenko   [CRYPTO] camellia...
620
621
  	subL[6] = kll; subR[6] = klr;
  	subL[7] = krl; subR[7] = krr;
3a5e5f810   Denys Vlasenko   [CRYPTO] camellia...
622
  	ROLDQ(kll, klr, krl, krr, w0, w1, 15);
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
623
  	/* kl1, kl2 */
1721a8125   Denys Vlasenko   [CRYPTO] camellia...
624
625
  	subL[8] = kll; subR[8] = klr;
  	subL[9] = krl; subR[9] = krr;
3a5e5f810   Denys Vlasenko   [CRYPTO] camellia...
626
  	ROLDQ(kll, klr, krl, krr, w0, w1, 15);
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
627
  	/* k9 */
1721a8125   Denys Vlasenko   [CRYPTO] camellia...
628
  	subL[12] = kll; subR[12] = klr;
3a5e5f810   Denys Vlasenko   [CRYPTO] camellia...
629
  	ROLDQ(kll, klr, krl, krr, w0, w1, 15);
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
630
  	/* k11, k12 */
1721a8125   Denys Vlasenko   [CRYPTO] camellia...
631
632
  	subL[14] = kll; subR[14] = klr;
  	subL[15] = krl; subR[15] = krr;
3a5e5f810   Denys Vlasenko   [CRYPTO] camellia...
633
  	ROLDQo32(kll, klr, krl, krr, w0, w1, 34);
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
634
  	/* k15, k16 */
1721a8125   Denys Vlasenko   [CRYPTO] camellia...
635
636
  	subL[20] = kll; subR[20] = klr;
  	subL[21] = krl; subR[21] = krr;
3a5e5f810   Denys Vlasenko   [CRYPTO] camellia...
637
  	ROLDQ(kll, klr, krl, krr, w0, w1, 17);
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
638
  	/* kw3, kw4 */
1721a8125   Denys Vlasenko   [CRYPTO] camellia...
639
640
  	subL[24] = kll; subR[24] = klr;
  	subL[25] = krl; subR[25] = krr;
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
641

dedcf8b06   Denys Vlasenko   [CRYPTO] camellia...
642
  	camellia_setup_tail(subkey, subL, subR, 24);
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
643
  }
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
644
645
  static void camellia_setup256(const unsigned char *key, u32 *subkey)
  {
1ce73e8d6   Denys Vlasenko   [CRYPTO] camellia...
646
647
  	u32 kll, klr, krl, krr;        /* left half of key */
  	u32 krll, krlr, krrl, krrr;    /* right half of key */
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
648
  	u32 il, ir, t0, t1, w0, w1;    /* temporary variables */
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
649
650
651
652
653
  	u32 subL[34];
  	u32 subR[34];
  
  	/**
  	 *  key = (kll || klr || krl || krr || krll || krlr || krrl || krrr)
dedcf8b06   Denys Vlasenko   [CRYPTO] camellia...
654
  	 *  (|| is concatenation)
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
655
  	 */
32bd78e0a   Harvey Harrison   crypto: camellia ...
656
657
658
659
660
661
662
663
  	kll = get_unaligned_be32(key);
  	klr = get_unaligned_be32(key + 4);
  	krl = get_unaligned_be32(key + 8);
  	krr = get_unaligned_be32(key + 12);
  	krll = get_unaligned_be32(key + 16);
  	krlr = get_unaligned_be32(key + 20);
  	krrl = get_unaligned_be32(key + 24);
  	krrr = get_unaligned_be32(key + 28);
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
664
665
666
  
  	/* generate KL dependent subkeys */
  	/* kw1 */
1721a8125   Denys Vlasenko   [CRYPTO] camellia...
667
  	subL[0] = kll; subR[0] = klr;
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
668
  	/* kw2 */
1721a8125   Denys Vlasenko   [CRYPTO] camellia...
669
  	subL[1] = krl; subR[1] = krr;
3a5e5f810   Denys Vlasenko   [CRYPTO] camellia...
670
  	ROLDQo32(kll, klr, krl, krr, w0, w1, 45);
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
671
  	/* k9 */
1721a8125   Denys Vlasenko   [CRYPTO] camellia...
672
  	subL[12] = kll; subR[12] = klr;
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
673
  	/* k10 */
1721a8125   Denys Vlasenko   [CRYPTO] camellia...
674
  	subL[13] = krl; subR[13] = krr;
3a5e5f810   Denys Vlasenko   [CRYPTO] camellia...
675
  	ROLDQ(kll, klr, krl, krr, w0, w1, 15);
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
676
  	/* kl3 */
1721a8125   Denys Vlasenko   [CRYPTO] camellia...
677
  	subL[16] = kll; subR[16] = klr;
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
678
  	/* kl4 */
1721a8125   Denys Vlasenko   [CRYPTO] camellia...
679
  	subL[17] = krl; subR[17] = krr;
3a5e5f810   Denys Vlasenko   [CRYPTO] camellia...
680
  	ROLDQ(kll, klr, krl, krr, w0, w1, 17);
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
681
  	/* k17 */
1721a8125   Denys Vlasenko   [CRYPTO] camellia...
682
  	subL[22] = kll; subR[22] = klr;
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
683
  	/* k18 */
1721a8125   Denys Vlasenko   [CRYPTO] camellia...
684
  	subL[23] = krl; subR[23] = krr;
3a5e5f810   Denys Vlasenko   [CRYPTO] camellia...
685
  	ROLDQo32(kll, klr, krl, krr, w0, w1, 34);
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
686
  	/* k23 */
1721a8125   Denys Vlasenko   [CRYPTO] camellia...
687
  	subL[30] = kll; subR[30] = klr;
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
688
  	/* k24 */
1721a8125   Denys Vlasenko   [CRYPTO] camellia...
689
  	subL[31] = krl; subR[31] = krr;
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
690
691
  
  	/* generate KR dependent subkeys */
3a5e5f810   Denys Vlasenko   [CRYPTO] camellia...
692
  	ROLDQ(krll, krlr, krrl, krrr, w0, w1, 15);
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
693
  	/* k3 */
1721a8125   Denys Vlasenko   [CRYPTO] camellia...
694
  	subL[4] = krll; subR[4] = krlr;
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
695
  	/* k4 */
1721a8125   Denys Vlasenko   [CRYPTO] camellia...
696
  	subL[5] = krrl; subR[5] = krrr;
3a5e5f810   Denys Vlasenko   [CRYPTO] camellia...
697
  	ROLDQ(krll, krlr, krrl, krrr, w0, w1, 15);
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
698
  	/* kl1 */
1721a8125   Denys Vlasenko   [CRYPTO] camellia...
699
  	subL[8] = krll; subR[8] = krlr;
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
700
  	/* kl2 */
1721a8125   Denys Vlasenko   [CRYPTO] camellia...
701
  	subL[9] = krrl; subR[9] = krrr;
3a5e5f810   Denys Vlasenko   [CRYPTO] camellia...
702
  	ROLDQ(krll, krlr, krrl, krrr, w0, w1, 30);
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
703
  	/* k13 */
1721a8125   Denys Vlasenko   [CRYPTO] camellia...
704
  	subL[18] = krll; subR[18] = krlr;
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
705
  	/* k14 */
1721a8125   Denys Vlasenko   [CRYPTO] camellia...
706
  	subL[19] = krrl; subR[19] = krrr;
3a5e5f810   Denys Vlasenko   [CRYPTO] camellia...
707
  	ROLDQo32(krll, krlr, krrl, krrr, w0, w1, 34);
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
708
  	/* k19 */
1721a8125   Denys Vlasenko   [CRYPTO] camellia...
709
  	subL[26] = krll; subR[26] = krlr;
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
710
  	/* k20 */
1721a8125   Denys Vlasenko   [CRYPTO] camellia...
711
  	subL[27] = krrl; subR[27] = krrr;
3a5e5f810   Denys Vlasenko   [CRYPTO] camellia...
712
  	ROLDQo32(krll, krlr, krrl, krrr, w0, w1, 34);
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
713
714
  
  	/* generate KA */
1721a8125   Denys Vlasenko   [CRYPTO] camellia...
715
716
  	kll = subL[0] ^ krll; klr = subR[0] ^ krlr;
  	krl = subL[1] ^ krrl; krr = subR[1] ^ krrr;
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
  	CAMELLIA_F(kll, klr,
  		   CAMELLIA_SIGMA1L, CAMELLIA_SIGMA1R,
  		   w0, w1, il, ir, t0, t1);
  	krl ^= w0; krr ^= w1;
  	CAMELLIA_F(krl, krr,
  		   CAMELLIA_SIGMA2L, CAMELLIA_SIGMA2R,
  		   kll, klr, il, ir, t0, t1);
  	kll ^= krll; klr ^= krlr;
  	CAMELLIA_F(kll, klr,
  		   CAMELLIA_SIGMA3L, CAMELLIA_SIGMA3R,
  		   krl, krr, il, ir, t0, t1);
  	krl ^= w0 ^ krrl; krr ^= w1 ^ krrr;
  	CAMELLIA_F(krl, krr,
  		   CAMELLIA_SIGMA4L, CAMELLIA_SIGMA4R,
  		   w0, w1, il, ir, t0, t1);
  	kll ^= w0; klr ^= w1;
  
  	/* generate KB */
  	krll ^= kll; krlr ^= klr;
  	krrl ^= krl; krrr ^= krr;
  	CAMELLIA_F(krll, krlr,
  		   CAMELLIA_SIGMA5L, CAMELLIA_SIGMA5R,
  		   w0, w1, il, ir, t0, t1);
  	krrl ^= w0; krrr ^= w1;
  	CAMELLIA_F(krrl, krrr,
  		   CAMELLIA_SIGMA6L, CAMELLIA_SIGMA6R,
  		   w0, w1, il, ir, t0, t1);
  	krll ^= w0; krlr ^= w1;
  
  	/* generate KA dependent subkeys */
3a5e5f810   Denys Vlasenko   [CRYPTO] camellia...
747
  	ROLDQ(kll, klr, krl, krr, w0, w1, 15);
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
748
  	/* k5 */
1721a8125   Denys Vlasenko   [CRYPTO] camellia...
749
  	subL[6] = kll; subR[6] = klr;
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
750
  	/* k6 */
1721a8125   Denys Vlasenko   [CRYPTO] camellia...
751
  	subL[7] = krl; subR[7] = krr;
3a5e5f810   Denys Vlasenko   [CRYPTO] camellia...
752
  	ROLDQ(kll, klr, krl, krr, w0, w1, 30);
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
753
  	/* k11 */
1721a8125   Denys Vlasenko   [CRYPTO] camellia...
754
  	subL[14] = kll; subR[14] = klr;
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
755
  	/* k12 */
1721a8125   Denys Vlasenko   [CRYPTO] camellia...
756
  	subL[15] = krl; subR[15] = krr;
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
757
758
  	/* rotation left shift 32bit */
  	/* kl5 */
1721a8125   Denys Vlasenko   [CRYPTO] camellia...
759
  	subL[24] = klr; subR[24] = krl;
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
760
  	/* kl6 */
1721a8125   Denys Vlasenko   [CRYPTO] camellia...
761
  	subL[25] = krr; subR[25] = kll;
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
762
  	/* rotation left shift 49 from k11,k12 -> k21,k22 */
3a5e5f810   Denys Vlasenko   [CRYPTO] camellia...
763
  	ROLDQo32(kll, klr, krl, krr, w0, w1, 49);
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
764
  	/* k21 */
1721a8125   Denys Vlasenko   [CRYPTO] camellia...
765
  	subL[28] = kll; subR[28] = klr;
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
766
  	/* k22 */
1721a8125   Denys Vlasenko   [CRYPTO] camellia...
767
  	subL[29] = krl; subR[29] = krr;
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
768
769
770
  
  	/* generate KB dependent subkeys */
  	/* k1 */
1721a8125   Denys Vlasenko   [CRYPTO] camellia...
771
  	subL[2] = krll; subR[2] = krlr;
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
772
  	/* k2 */
1721a8125   Denys Vlasenko   [CRYPTO] camellia...
773
  	subL[3] = krrl; subR[3] = krrr;
3a5e5f810   Denys Vlasenko   [CRYPTO] camellia...
774
  	ROLDQ(krll, krlr, krrl, krrr, w0, w1, 30);
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
775
  	/* k7 */
1721a8125   Denys Vlasenko   [CRYPTO] camellia...
776
  	subL[10] = krll; subR[10] = krlr;
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
777
  	/* k8 */
1721a8125   Denys Vlasenko   [CRYPTO] camellia...
778
  	subL[11] = krrl; subR[11] = krrr;
3a5e5f810   Denys Vlasenko   [CRYPTO] camellia...
779
  	ROLDQ(krll, krlr, krrl, krrr, w0, w1, 30);
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
780
  	/* k15 */
1721a8125   Denys Vlasenko   [CRYPTO] camellia...
781
  	subL[20] = krll; subR[20] = krlr;
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
782
  	/* k16 */
1721a8125   Denys Vlasenko   [CRYPTO] camellia...
783
  	subL[21] = krrl; subR[21] = krrr;
3a5e5f810   Denys Vlasenko   [CRYPTO] camellia...
784
  	ROLDQo32(krll, krlr, krrl, krrr, w0, w1, 51);
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
785
  	/* kw3 */
1721a8125   Denys Vlasenko   [CRYPTO] camellia...
786
  	subL[32] = krll; subR[32] = krlr;
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
787
  	/* kw4 */
1721a8125   Denys Vlasenko   [CRYPTO] camellia...
788
  	subL[33] = krrl; subR[33] = krrr;
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
789

dedcf8b06   Denys Vlasenko   [CRYPTO] camellia...
790
  	camellia_setup_tail(subkey, subL, subR, 32);
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
791
792
793
794
795
  }
  
  static void camellia_setup192(const unsigned char *key, u32 *subkey)
  {
  	unsigned char kk[32];
621dd3692   Richard Hartmann   crypto: camellia ...
796
  	u32 krll, krlr, krrl, krrr;
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
797
798
  
  	memcpy(kk, key, 24);
1721a8125   Denys Vlasenko   [CRYPTO] camellia...
799
800
  	memcpy((unsigned char *)&krll, key+16, 4);
  	memcpy((unsigned char *)&krlr, key+20, 4);
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
801
802
803
804
805
  	krrl = ~krll;
  	krrr = ~krlr;
  	memcpy(kk+24, (unsigned char *)&krrl, 4);
  	memcpy(kk+28, (unsigned char *)&krrr, 4);
  	camellia_setup256(kk, subkey);
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
806
  }
2ddae4a64   Denys Vlasenko   [CRYPTO] camellia...
807
808
809
  /*
   * Encrypt/decrypt
   */
e2861a71c   Jussi Kivilinna   crypto: camellia ...
810
  #define CAMELLIA_FLS(ll, lr, rl, rr, kll, klr, krl, krr, t0, t1, t2, t3) ({ \
2ddae4a64   Denys Vlasenko   [CRYPTO] camellia...
811
812
813
814
815
  	t0 = kll;							\
  	t2 = krr;							\
  	t0 &= ll;							\
  	t2 |= rr;							\
  	rl ^= t2;							\
32bd78e0a   Harvey Harrison   crypto: camellia ...
816
  	lr ^= rol32(t0, 1);						\
2ddae4a64   Denys Vlasenko   [CRYPTO] camellia...
817
818
819
820
821
  	t3 = krl;							\
  	t1 = klr;							\
  	t3 &= rl;							\
  	t1 |= lr;							\
  	ll ^= t1;							\
32bd78e0a   Harvey Harrison   crypto: camellia ...
822
  	rr ^= rol32(t3, 1);						\
e2861a71c   Jussi Kivilinna   crypto: camellia ...
823
  })
2ddae4a64   Denys Vlasenko   [CRYPTO] camellia...
824

e2861a71c   Jussi Kivilinna   crypto: camellia ...
825
  #define CAMELLIA_ROUNDSM(xl, xr, kl, kr, yl, yr, il, ir) ({		\
c9b56d33b   Jussi Kivilinna   crypto: camellia ...
826
827
  	yl ^= kl;							\
  	yr ^= kr;							\
2ddae4a64   Denys Vlasenko   [CRYPTO] camellia...
828
  	ir =  camellia_sp1110[(u8)xr];					\
e2861a71c   Jussi Kivilinna   crypto: camellia ...
829
830
  	il =  camellia_sp1110[(u8)(xl >> 24)];				\
  	ir ^= camellia_sp0222[(u8)(xr >> 24)];				\
2ddae4a64   Denys Vlasenko   [CRYPTO] camellia...
831
832
833
834
835
  	il ^= camellia_sp0222[(u8)(xl >> 16)];				\
  	ir ^= camellia_sp3033[(u8)(xr >> 16)];				\
  	il ^= camellia_sp3033[(u8)(xl >> 8)];				\
  	ir ^= camellia_sp4404[(u8)(xr >> 8)];				\
  	il ^= camellia_sp4404[(u8)xl];					\
c9b56d33b   Jussi Kivilinna   crypto: camellia ...
836
  	ir ^= il;							\
2ddae4a64   Denys Vlasenko   [CRYPTO] camellia...
837
  	yl ^= ir;							\
e2861a71c   Jussi Kivilinna   crypto: camellia ...
838
839
  	yr ^= ror32(il, 8) ^ ir;					\
  })
2ddae4a64   Denys Vlasenko   [CRYPTO] camellia...
840

acca79a66   Denys Vlasenko   [CRYPTO] camellia...
841
842
  /* max = 24: 128bit encrypt, max = 32: 256bit encrypt */
  static void camellia_do_encrypt(const u32 *subkey, u32 *io, unsigned max)
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
843
  {
621dd3692   Richard Hartmann   crypto: camellia ...
844
  	u32 il, ir, t0, t1;            /* temporary variables */
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
845

1721a8125   Denys Vlasenko   [CRYPTO] camellia...
846
  	/* pre whitening but absorb kw2 */
acca79a66   Denys Vlasenko   [CRYPTO] camellia...
847
848
  	io[0] ^= SUBKEY_L(0);
  	io[1] ^= SUBKEY_R(0);
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
849

1721a8125   Denys Vlasenko   [CRYPTO] camellia...
850
  	/* main iteration */
e2861a71c   Jussi Kivilinna   crypto: camellia ...
851
  #define ROUNDS(i) ({ \
621dd3692   Richard Hartmann   crypto: camellia ...
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
  	CAMELLIA_ROUNDSM(io[0], io[1], \
  			 SUBKEY_L(i + 2), SUBKEY_R(i + 2), \
  			 io[2], io[3], il, ir); \
  	CAMELLIA_ROUNDSM(io[2], io[3], \
  			 SUBKEY_L(i + 3), SUBKEY_R(i + 3), \
  			 io[0], io[1], il, ir); \
  	CAMELLIA_ROUNDSM(io[0], io[1], \
  			 SUBKEY_L(i + 4), SUBKEY_R(i + 4), \
  			 io[2], io[3], il, ir); \
  	CAMELLIA_ROUNDSM(io[2], io[3], \
  			 SUBKEY_L(i + 5), SUBKEY_R(i + 5), \
  			 io[0], io[1], il, ir); \
  	CAMELLIA_ROUNDSM(io[0], io[1], \
  			 SUBKEY_L(i + 6), SUBKEY_R(i + 6), \
  			 io[2], io[3], il, ir); \
  	CAMELLIA_ROUNDSM(io[2], io[3], \
  			 SUBKEY_L(i + 7), SUBKEY_R(i + 7), \
  			 io[0], io[1], il, ir); \
e2861a71c   Jussi Kivilinna   crypto: camellia ...
870
871
  })
  #define FLS(i) ({ \
621dd3692   Richard Hartmann   crypto: camellia ...
872
873
874
875
  	CAMELLIA_FLS(io[0], io[1], io[2], io[3], \
  		     SUBKEY_L(i + 0), SUBKEY_R(i + 0), \
  		     SUBKEY_L(i + 1), SUBKEY_R(i + 1), \
  		     t0, t1, il, ir); \
e2861a71c   Jussi Kivilinna   crypto: camellia ...
876
  })
acca79a66   Denys Vlasenko   [CRYPTO] camellia...
877
878
879
880
881
882
883
884
885
886
  
  	ROUNDS(0);
  	FLS(8);
  	ROUNDS(8);
  	FLS(16);
  	ROUNDS(16);
  	if (max == 32) {
  		FLS(24);
  		ROUNDS(24);
  	}
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
887

acca79a66   Denys Vlasenko   [CRYPTO] camellia...
888
889
  #undef ROUNDS
  #undef FLS
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
890
891
  
  	/* post whitening but kw4 */
acca79a66   Denys Vlasenko   [CRYPTO] camellia...
892
893
894
  	io[2] ^= SUBKEY_L(max);
  	io[3] ^= SUBKEY_R(max);
  	/* NB: io[0],[1] should be swapped with [2],[3] by caller! */
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
895
  }
acca79a66   Denys Vlasenko   [CRYPTO] camellia...
896
  static void camellia_do_decrypt(const u32 *subkey, u32 *io, unsigned i)
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
897
  {
621dd3692   Richard Hartmann   crypto: camellia ...
898
  	u32 il, ir, t0, t1;            /* temporary variables */
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
899

1721a8125   Denys Vlasenko   [CRYPTO] camellia...
900
  	/* pre whitening but absorb kw2 */
acca79a66   Denys Vlasenko   [CRYPTO] camellia...
901
902
  	io[0] ^= SUBKEY_L(i);
  	io[1] ^= SUBKEY_R(i);
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
903
904
  
  	/* main iteration */
e2861a71c   Jussi Kivilinna   crypto: camellia ...
905
  #define ROUNDS(i) ({ \
621dd3692   Richard Hartmann   crypto: camellia ...
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
  	CAMELLIA_ROUNDSM(io[0], io[1], \
  			 SUBKEY_L(i + 7), SUBKEY_R(i + 7), \
  			 io[2], io[3], il, ir); \
  	CAMELLIA_ROUNDSM(io[2], io[3], \
  			 SUBKEY_L(i + 6), SUBKEY_R(i + 6), \
  			 io[0], io[1], il, ir); \
  	CAMELLIA_ROUNDSM(io[0], io[1], \
  			 SUBKEY_L(i + 5), SUBKEY_R(i + 5), \
  			 io[2], io[3], il, ir); \
  	CAMELLIA_ROUNDSM(io[2], io[3], \
  			 SUBKEY_L(i + 4), SUBKEY_R(i + 4), \
  			 io[0], io[1], il, ir); \
  	CAMELLIA_ROUNDSM(io[0], io[1], \
  			 SUBKEY_L(i + 3), SUBKEY_R(i + 3), \
  			 io[2], io[3], il, ir); \
  	CAMELLIA_ROUNDSM(io[2], io[3], \
  			 SUBKEY_L(i + 2), SUBKEY_R(i + 2), \
  			 io[0], io[1], il, ir); \
e2861a71c   Jussi Kivilinna   crypto: camellia ...
924
925
  })
  #define FLS(i) ({ \
621dd3692   Richard Hartmann   crypto: camellia ...
926
927
928
929
  	CAMELLIA_FLS(io[0], io[1], io[2], io[3], \
  		     SUBKEY_L(i + 1), SUBKEY_R(i + 1), \
  		     SUBKEY_L(i + 0), SUBKEY_R(i + 0), \
  		     t0, t1, il, ir); \
e2861a71c   Jussi Kivilinna   crypto: camellia ...
930
  })
acca79a66   Denys Vlasenko   [CRYPTO] camellia...
931
932
933
934
935
936
937
938
939
940
  
  	if (i == 32) {
  		ROUNDS(24);
  		FLS(24);
  	}
  	ROUNDS(16);
  	FLS(16);
  	ROUNDS(8);
  	FLS(8);
  	ROUNDS(0);
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
941

acca79a66   Denys Vlasenko   [CRYPTO] camellia...
942
943
  #undef ROUNDS
  #undef FLS
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
944
945
  
  	/* post whitening but kw4 */
acca79a66   Denys Vlasenko   [CRYPTO] camellia...
946
947
948
  	io[2] ^= SUBKEY_L(0);
  	io[3] ^= SUBKEY_R(0);
  	/* NB: 0,1 should be swapped with 2,3 by caller! */
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
949
  }
1721a8125   Denys Vlasenko   [CRYPTO] camellia...
950
951
  struct camellia_ctx {
  	int key_length;
2ddae4a64   Denys Vlasenko   [CRYPTO] camellia...
952
  	u32 key_table[CAMELLIA_TABLE_BYTE_LEN / sizeof(u32)];
1721a8125   Denys Vlasenko   [CRYPTO] camellia...
953
  };
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
954
955
956
957
958
959
  static int
  camellia_set_key(struct crypto_tfm *tfm, const u8 *in_key,
  		 unsigned int key_len)
  {
  	struct camellia_ctx *cctx = crypto_tfm_ctx(tfm);
  	const unsigned char *key = (const unsigned char *)in_key;
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
960

674f368a9   Eric Biggers   crypto: remove CR...
961
  	if (key_len != 16 && key_len != 24 && key_len != 32)
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
962
  		return -EINVAL;
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
963
964
  
  	cctx->key_length = key_len;
1721a8125   Denys Vlasenko   [CRYPTO] camellia...
965
  	switch (key_len) {
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
966
967
968
969
970
971
972
973
974
  	case 16:
  		camellia_setup128(key, cctx->key_table);
  		break;
  	case 24:
  		camellia_setup192(key, cctx->key_table);
  		break;
  	case 32:
  		camellia_setup256(key, cctx->key_table);
  		break;
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
975
976
977
978
  	}
  
  	return 0;
  }
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
979
980
981
982
983
  static void camellia_encrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in)
  {
  	const struct camellia_ctx *cctx = crypto_tfm_ctx(tfm);
  	const __be32 *src = (const __be32 *)in;
  	__be32 *dst = (__be32 *)out;
e2861a71c   Jussi Kivilinna   crypto: camellia ...
984
  	unsigned int max;
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
985

3a5e5f810   Denys Vlasenko   [CRYPTO] camellia...
986
  	u32 tmp[4];
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
987

3a5e5f810   Denys Vlasenko   [CRYPTO] camellia...
988
989
990
991
  	tmp[0] = be32_to_cpu(src[0]);
  	tmp[1] = be32_to_cpu(src[1]);
  	tmp[2] = be32_to_cpu(src[2]);
  	tmp[3] = be32_to_cpu(src[3]);
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
992

e2861a71c   Jussi Kivilinna   crypto: camellia ...
993
994
995
996
997
998
  	if (cctx->key_length == 16)
  		max = 24;
  	else
  		max = 32; /* for key lengths of 24 and 32 */
  
  	camellia_do_encrypt(cctx->key_table, tmp, max);
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
999

acca79a66   Denys Vlasenko   [CRYPTO] camellia...
1000
1001
1002
1003
1004
  	/* do_encrypt returns 0,1 swapped with 2,3 */
  	dst[0] = cpu_to_be32(tmp[2]);
  	dst[1] = cpu_to_be32(tmp[3]);
  	dst[2] = cpu_to_be32(tmp[0]);
  	dst[3] = cpu_to_be32(tmp[1]);
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
1005
  }
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
1006
1007
1008
1009
1010
  static void camellia_decrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in)
  {
  	const struct camellia_ctx *cctx = crypto_tfm_ctx(tfm);
  	const __be32 *src = (const __be32 *)in;
  	__be32 *dst = (__be32 *)out;
e2861a71c   Jussi Kivilinna   crypto: camellia ...
1011
  	unsigned int max;
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
1012

3a5e5f810   Denys Vlasenko   [CRYPTO] camellia...
1013
  	u32 tmp[4];
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
1014

3a5e5f810   Denys Vlasenko   [CRYPTO] camellia...
1015
1016
1017
1018
  	tmp[0] = be32_to_cpu(src[0]);
  	tmp[1] = be32_to_cpu(src[1]);
  	tmp[2] = be32_to_cpu(src[2]);
  	tmp[3] = be32_to_cpu(src[3]);
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
1019

e2861a71c   Jussi Kivilinna   crypto: camellia ...
1020
1021
1022
1023
1024
1025
  	if (cctx->key_length == 16)
  		max = 24;
  	else
  		max = 32; /* for key lengths of 24 and 32 */
  
  	camellia_do_decrypt(cctx->key_table, tmp, max);
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
1026

acca79a66   Denys Vlasenko   [CRYPTO] camellia...
1027
1028
1029
1030
1031
  	/* do_decrypt returns 0,1 swapped with 2,3 */
  	dst[0] = cpu_to_be32(tmp[2]);
  	dst[1] = cpu_to_be32(tmp[3]);
  	dst[2] = cpu_to_be32(tmp[0]);
  	dst[3] = cpu_to_be32(tmp[1]);
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
1032
  }
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
1033
1034
1035
1036
1037
1038
1039
1040
1041
  static struct crypto_alg camellia_alg = {
  	.cra_name		=	"camellia",
  	.cra_driver_name	=	"camellia-generic",
  	.cra_priority		=	100,
  	.cra_flags		=	CRYPTO_ALG_TYPE_CIPHER,
  	.cra_blocksize		=	CAMELLIA_BLOCK_SIZE,
  	.cra_ctxsize		=	sizeof(struct camellia_ctx),
  	.cra_alignmask		=	3,
  	.cra_module		=	THIS_MODULE,
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
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  	.cra_u			=	{
  		.cipher = {
  			.cia_min_keysize	=	CAMELLIA_MIN_KEY_SIZE,
  			.cia_max_keysize	=	CAMELLIA_MAX_KEY_SIZE,
  			.cia_setkey		=	camellia_set_key,
  			.cia_encrypt		=	camellia_encrypt,
  			.cia_decrypt		=	camellia_decrypt
  		}
  	}
  };
  
  static int __init camellia_init(void)
  {
  	return crypto_register_alg(&camellia_alg);
  }
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
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  static void __exit camellia_fini(void)
  {
  	crypto_unregister_alg(&camellia_alg);
  }
c4741b230   Eric Biggers   crypto: run initc...
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  subsys_initcall(camellia_init);
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
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  module_exit(camellia_fini);
d64beac05   Noriaki TAKAMIYA   [CRYPTO] camellia...
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  MODULE_DESCRIPTION("Camellia Cipher Algorithm");
  MODULE_LICENSE("GPL");
5d26a105b   Kees Cook   crypto: prefix mo...
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  MODULE_ALIAS_CRYPTO("camellia");
3e14dcf7c   Mathias Krause   crypto: add missi...
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  MODULE_ALIAS_CRYPTO("camellia-generic");