OLD | NEW |
1 /* crypto/camellia/camellia.c -*- mode:C; c-file-style: "eay" -*- */ | 1 /* crypto/camellia/camellia.c -*- mode:C; c-file-style: "eay" -*- */ |
2 /* ==================================================================== | 2 /* ==================================================================== |
3 * Copyright 2006 NTT (Nippon Telegraph and Telephone Corporation) . | 3 * Copyright 2006 NTT (Nippon Telegraph and Telephone Corporation) . |
4 * ALL RIGHTS RESERVED. | 4 * ALL RIGHTS RESERVED. |
5 * | 5 * |
6 * Intellectual Property information for Camellia: | 6 * Intellectual Property information for Camellia: |
7 * http://info.isl.ntt.co.jp/crypt/eng/info/chiteki.html | 7 * http://info.isl.ntt.co.jp/crypt/eng/info/chiteki.html |
8 * | 8 * |
9 * News Release for Announcement of Camellia open source: | 9 * News Release for Announcement of Camellia open source: |
10 * http://www.ntt.co.jp/news/news06e/0604/060413a.html | 10 * http://www.ntt.co.jp/news/news06e/0604/060413a.html |
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61 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | 61 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
62 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | 62 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
63 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | 63 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
64 * OF THE POSSIBILITY OF SUCH DAMAGE. | 64 * OF THE POSSIBILITY OF SUCH DAMAGE. |
65 * ==================================================================== | 65 * ==================================================================== |
66 */ | 66 */ |
67 | 67 |
68 /* Algorithm Specification | 68 /* Algorithm Specification |
69 http://info.isl.ntt.co.jp/crypt/eng/camellia/specifications.html | 69 http://info.isl.ntt.co.jp/crypt/eng/camellia/specifications.html |
70 */ | 70 */ |
71 | 71 |
72 | 72 /* |
| 73 * This release balances code size and performance. In particular key |
| 74 * schedule setup is fully unrolled, because doing so *significantly* |
| 75 * reduces amount of instructions per setup round and code increase is |
| 76 * justifiable. In block functions on the other hand only inner loops |
| 77 * are unrolled, as full unroll gives only nominal performance boost, |
| 78 * while code size grows 4 or 7 times. Also, unlike previous versions |
| 79 * this one "encourages" compiler to keep intermediate variables in |
| 80 * registers, which should give better "all round" results, in other |
| 81 * words reasonable performance even with not so modern compilers. |
| 82 */ |
| 83 |
| 84 #include "camellia.h" |
| 85 #include "cmll_locl.h" |
73 #include <string.h> | 86 #include <string.h> |
74 #include <stdlib.h> | 87 #include <stdlib.h> |
75 | 88 |
76 #include "camellia.h" | 89 /* 32-bit rotations */ |
77 #include "cmll_locl.h" | 90 #if !defined(PEDANTIC) && !defined(OPENSSL_NO_ASM) && !defined(OPENSSL_NO_INLINE
_ASM) |
78 | 91 # if defined(_MSC_VER) && (defined(_M_IX86) || defined(_M_AMD64) || defined(_M_X
64)) |
79 /* key constants */ | 92 # define RightRotate(x, s) _lrotr(x, s) |
80 #define CAMELLIA_SIGMA1L (0xA09E667FL) | 93 # define LeftRotate(x, s) _lrotl(x, s) |
81 #define CAMELLIA_SIGMA1R (0x3BCC908BL) | 94 # if _MSC_VER >= 1400 |
82 #define CAMELLIA_SIGMA2L (0xB67AE858L) | 95 # define SWAP(x) _byteswap_ulong(x) |
83 #define CAMELLIA_SIGMA2R (0x4CAA73B2L) | 96 # else |
84 #define CAMELLIA_SIGMA3L (0xC6EF372FL) | 97 # define SWAP(x) (_lrotl(x, 8) & 0x00ff00ff | _lrotr(x, 8) & 0xff00ff00) |
85 #define CAMELLIA_SIGMA3R (0xE94F82BEL) | 98 # endif |
86 #define CAMELLIA_SIGMA4L (0x54FF53A5L) | 99 # define GETU32(p) SWAP(*((u32 *)(p))) |
87 #define CAMELLIA_SIGMA4R (0xF1D36F1CL) | 100 # define PUTU32(p,v) (*((u32 *)(p)) = SWAP((v))) |
88 #define CAMELLIA_SIGMA5L (0x10E527FAL) | 101 # elif defined(__GNUC__) && __GNUC__>=2 |
89 #define CAMELLIA_SIGMA5R (0xDE682D1DL) | 102 # if defined(__i386) || defined(__x86_64) |
90 #define CAMELLIA_SIGMA6L (0xB05688C2L) | 103 # define RightRotate(x,s) ({u32 ret; asm ("rorl %1,%0":"=r"(ret):"I"(s),"0"(x)
:"cc"); ret; }) |
91 #define CAMELLIA_SIGMA6R (0xB3E6C1FDL) | 104 # define LeftRotate(x,s) ({u32 ret; asm ("roll %1,%0":"=r"(ret):"I"(s),"0"(x)
:"cc"); ret; }) |
92 | 105 # if defined(B_ENDIAN) /* stratus.com does it */ |
| 106 # define GETU32(p) (*(u32 *)(p)) |
| 107 # define PUTU32(p,v) (*(u32 *)(p)=(v)) |
| 108 # else |
| 109 # define GETU32(p) ({u32 r=*(const u32 *)(p); asm("bswapl %0":"=r"(r):"0"(r
)); r; }) |
| 110 # define PUTU32(p,v) ({u32 r=(v); asm("bswapl %0":"=r"(r):"0"(r)); *(u32 *)(p
)=r; }) |
| 111 # endif |
| 112 # elif defined(_ARCH_PPC) || defined(_ARCH_PPC64) || \ |
| 113 defined(__powerpc) || defined(__ppc__) || defined(__powerpc64__) |
| 114 # define LeftRotate(x,s) ({u32 ret; asm ("rlwinm %0,%1,%2,0,31":"=r"(ret):"r"
(x),"I"(s)); ret; }) |
| 115 # define RightRotate(x,s) LeftRotate(x,(32-s)) |
| 116 # elif defined(__s390x__) |
| 117 # define LeftRotate(x,s) ({u32 ret; asm ("rll %0,%1,%2":"=r"(ret):"r"(x),"I"(
s)); ret; }) |
| 118 # define RightRotate(x,s) LeftRotate(x,(32-s)) |
| 119 # define GETU32(p) (*(u32 *)(p)) |
| 120 # define PUTU32(p,v) (*(u32 *)(p)=(v)) |
| 121 # endif |
| 122 # endif |
| 123 #endif |
| 124 |
| 125 #if !defined(RightRotate) && !defined(LeftRotate) |
| 126 # define RightRotate(x, s) ( ((x) >> (s)) + ((x) << (32 - s)) ) |
| 127 # define LeftRotate(x, s) ( ((x) << (s)) + ((x) >> (32 - s)) ) |
| 128 #endif |
| 129 |
| 130 #if !defined(GETU32) && !defined(PUTU32) |
| 131 # define GETU32(p) (((u32)(p)[0] << 24) ^ ((u32)(p)[1] << 16) ^ ((u32)(p)[2] <
< 8) ^ ((u32)(p)[3])) |
| 132 # define PUTU32(p,v) ((p)[0] = (u8)((v) >> 24), (p)[1] = (u8)((v) >> 16), (p)[2]
= (u8)((v) >> 8), (p)[3] = (u8)(v)) |
| 133 #endif |
| 134 |
| 135 /* S-box data */ |
| 136 #define SBOX1_1110 Camellia_SBOX[0] |
| 137 #define SBOX4_4404 Camellia_SBOX[1] |
| 138 #define SBOX2_0222 Camellia_SBOX[2] |
| 139 #define SBOX3_3033 Camellia_SBOX[3] |
| 140 static const u32 Camellia_SBOX[][256] = { |
| 141 { 0x70707000, 0x82828200, 0x2c2c2c00, 0xececec00, 0xb3b3b300, 0x27272700, |
| 142 0xc0c0c000, 0xe5e5e500, 0xe4e4e400, 0x85858500, 0x57575700, 0x35353500, |
| 143 0xeaeaea00, 0x0c0c0c00, 0xaeaeae00, 0x41414100, 0x23232300, 0xefefef00, |
| 144 0x6b6b6b00, 0x93939300, 0x45454500, 0x19191900, 0xa5a5a500, 0x21212100, |
| 145 0xededed00, 0x0e0e0e00, 0x4f4f4f00, 0x4e4e4e00, 0x1d1d1d00, 0x65656500, |
| 146 0x92929200, 0xbdbdbd00, 0x86868600, 0xb8b8b800, 0xafafaf00, 0x8f8f8f00, |
| 147 0x7c7c7c00, 0xebebeb00, 0x1f1f1f00, 0xcecece00, 0x3e3e3e00, 0x30303000, |
| 148 0xdcdcdc00, 0x5f5f5f00, 0x5e5e5e00, 0xc5c5c500, 0x0b0b0b00, 0x1a1a1a00, |
| 149 0xa6a6a600, 0xe1e1e100, 0x39393900, 0xcacaca00, 0xd5d5d500, 0x47474700, |
| 150 0x5d5d5d00, 0x3d3d3d00, 0xd9d9d900, 0x01010100, 0x5a5a5a00, 0xd6d6d600, |
| 151 0x51515100, 0x56565600, 0x6c6c6c00, 0x4d4d4d00, 0x8b8b8b00, 0x0d0d0d00, |
| 152 0x9a9a9a00, 0x66666600, 0xfbfbfb00, 0xcccccc00, 0xb0b0b000, 0x2d2d2d00, |
| 153 0x74747400, 0x12121200, 0x2b2b2b00, 0x20202000, 0xf0f0f000, 0xb1b1b100, |
| 154 0x84848400, 0x99999900, 0xdfdfdf00, 0x4c4c4c00, 0xcbcbcb00, 0xc2c2c200, |
| 155 0x34343400, 0x7e7e7e00, 0x76767600, 0x05050500, 0x6d6d6d00, 0xb7b7b700, |
| 156 0xa9a9a900, 0x31313100, 0xd1d1d100, 0x17171700, 0x04040400, 0xd7d7d700, |
| 157 0x14141400, 0x58585800, 0x3a3a3a00, 0x61616100, 0xdedede00, 0x1b1b1b00, |
| 158 0x11111100, 0x1c1c1c00, 0x32323200, 0x0f0f0f00, 0x9c9c9c00, 0x16161600, |
| 159 0x53535300, 0x18181800, 0xf2f2f200, 0x22222200, 0xfefefe00, 0x44444400, |
| 160 0xcfcfcf00, 0xb2b2b200, 0xc3c3c300, 0xb5b5b500, 0x7a7a7a00, 0x91919100, |
| 161 0x24242400, 0x08080800, 0xe8e8e800, 0xa8a8a800, 0x60606000, 0xfcfcfc00, |
| 162 0x69696900, 0x50505000, 0xaaaaaa00, 0xd0d0d000, 0xa0a0a000, 0x7d7d7d00, |
| 163 0xa1a1a100, 0x89898900, 0x62626200, 0x97979700, 0x54545400, 0x5b5b5b00, |
| 164 0x1e1e1e00, 0x95959500, 0xe0e0e000, 0xffffff00, 0x64646400, 0xd2d2d200, |
| 165 0x10101000, 0xc4c4c400, 0x00000000, 0x48484800, 0xa3a3a300, 0xf7f7f700, |
| 166 0x75757500, 0xdbdbdb00, 0x8a8a8a00, 0x03030300, 0xe6e6e600, 0xdadada00, |
| 167 0x09090900, 0x3f3f3f00, 0xdddddd00, 0x94949400, 0x87878700, 0x5c5c5c00, |
| 168 0x83838300, 0x02020200, 0xcdcdcd00, 0x4a4a4a00, 0x90909000, 0x33333300, |
| 169 0x73737300, 0x67676700, 0xf6f6f600, 0xf3f3f300, 0x9d9d9d00, 0x7f7f7f00, |
| 170 0xbfbfbf00, 0xe2e2e200, 0x52525200, 0x9b9b9b00, 0xd8d8d800, 0x26262600, |
| 171 0xc8c8c800, 0x37373700, 0xc6c6c600, 0x3b3b3b00, 0x81818100, 0x96969600, |
| 172 0x6f6f6f00, 0x4b4b4b00, 0x13131300, 0xbebebe00, 0x63636300, 0x2e2e2e00, |
| 173 0xe9e9e900, 0x79797900, 0xa7a7a700, 0x8c8c8c00, 0x9f9f9f00, 0x6e6e6e00, |
| 174 0xbcbcbc00, 0x8e8e8e00, 0x29292900, 0xf5f5f500, 0xf9f9f900, 0xb6b6b600, |
| 175 0x2f2f2f00, 0xfdfdfd00, 0xb4b4b400, 0x59595900, 0x78787800, 0x98989800, |
| 176 0x06060600, 0x6a6a6a00, 0xe7e7e700, 0x46464600, 0x71717100, 0xbababa00, |
| 177 0xd4d4d400, 0x25252500, 0xababab00, 0x42424200, 0x88888800, 0xa2a2a200, |
| 178 0x8d8d8d00, 0xfafafa00, 0x72727200, 0x07070700, 0xb9b9b900, 0x55555500, |
| 179 0xf8f8f800, 0xeeeeee00, 0xacacac00, 0x0a0a0a00, 0x36363600, 0x49494900, |
| 180 0x2a2a2a00, 0x68686800, 0x3c3c3c00, 0x38383800, 0xf1f1f100, 0xa4a4a400, |
| 181 0x40404000, 0x28282800, 0xd3d3d300, 0x7b7b7b00, 0xbbbbbb00, 0xc9c9c900, |
| 182 0x43434300, 0xc1c1c100, 0x15151500, 0xe3e3e300, 0xadadad00, 0xf4f4f400, |
| 183 0x77777700, 0xc7c7c700, 0x80808000, 0x9e9e9e00 }, |
| 184 { 0x70700070, 0x2c2c002c, 0xb3b300b3, 0xc0c000c0, 0xe4e400e4, 0x57570057, |
| 185 0xeaea00ea, 0xaeae00ae, 0x23230023, 0x6b6b006b, 0x45450045, 0xa5a500a5, |
| 186 0xeded00ed, 0x4f4f004f, 0x1d1d001d, 0x92920092, 0x86860086, 0xafaf00af, |
| 187 0x7c7c007c, 0x1f1f001f, 0x3e3e003e, 0xdcdc00dc, 0x5e5e005e, 0x0b0b000b, |
| 188 0xa6a600a6, 0x39390039, 0xd5d500d5, 0x5d5d005d, 0xd9d900d9, 0x5a5a005a, |
| 189 0x51510051, 0x6c6c006c, 0x8b8b008b, 0x9a9a009a, 0xfbfb00fb, 0xb0b000b0, |
| 190 0x74740074, 0x2b2b002b, 0xf0f000f0, 0x84840084, 0xdfdf00df, 0xcbcb00cb, |
| 191 0x34340034, 0x76760076, 0x6d6d006d, 0xa9a900a9, 0xd1d100d1, 0x04040004, |
| 192 0x14140014, 0x3a3a003a, 0xdede00de, 0x11110011, 0x32320032, 0x9c9c009c, |
| 193 0x53530053, 0xf2f200f2, 0xfefe00fe, 0xcfcf00cf, 0xc3c300c3, 0x7a7a007a, |
| 194 0x24240024, 0xe8e800e8, 0x60600060, 0x69690069, 0xaaaa00aa, 0xa0a000a0, |
| 195 0xa1a100a1, 0x62620062, 0x54540054, 0x1e1e001e, 0xe0e000e0, 0x64640064, |
| 196 0x10100010, 0x00000000, 0xa3a300a3, 0x75750075, 0x8a8a008a, 0xe6e600e6, |
| 197 0x09090009, 0xdddd00dd, 0x87870087, 0x83830083, 0xcdcd00cd, 0x90900090, |
| 198 0x73730073, 0xf6f600f6, 0x9d9d009d, 0xbfbf00bf, 0x52520052, 0xd8d800d8, |
| 199 0xc8c800c8, 0xc6c600c6, 0x81810081, 0x6f6f006f, 0x13130013, 0x63630063, |
| 200 0xe9e900e9, 0xa7a700a7, 0x9f9f009f, 0xbcbc00bc, 0x29290029, 0xf9f900f9, |
| 201 0x2f2f002f, 0xb4b400b4, 0x78780078, 0x06060006, 0xe7e700e7, 0x71710071, |
| 202 0xd4d400d4, 0xabab00ab, 0x88880088, 0x8d8d008d, 0x72720072, 0xb9b900b9, |
| 203 0xf8f800f8, 0xacac00ac, 0x36360036, 0x2a2a002a, 0x3c3c003c, 0xf1f100f1, |
| 204 0x40400040, 0xd3d300d3, 0xbbbb00bb, 0x43430043, 0x15150015, 0xadad00ad, |
| 205 0x77770077, 0x80800080, 0x82820082, 0xecec00ec, 0x27270027, 0xe5e500e5, |
| 206 0x85850085, 0x35350035, 0x0c0c000c, 0x41410041, 0xefef00ef, 0x93930093, |
| 207 0x19190019, 0x21210021, 0x0e0e000e, 0x4e4e004e, 0x65650065, 0xbdbd00bd, |
| 208 0xb8b800b8, 0x8f8f008f, 0xebeb00eb, 0xcece00ce, 0x30300030, 0x5f5f005f, |
| 209 0xc5c500c5, 0x1a1a001a, 0xe1e100e1, 0xcaca00ca, 0x47470047, 0x3d3d003d, |
| 210 0x01010001, 0xd6d600d6, 0x56560056, 0x4d4d004d, 0x0d0d000d, 0x66660066, |
| 211 0xcccc00cc, 0x2d2d002d, 0x12120012, 0x20200020, 0xb1b100b1, 0x99990099, |
| 212 0x4c4c004c, 0xc2c200c2, 0x7e7e007e, 0x05050005, 0xb7b700b7, 0x31310031, |
| 213 0x17170017, 0xd7d700d7, 0x58580058, 0x61610061, 0x1b1b001b, 0x1c1c001c, |
| 214 0x0f0f000f, 0x16160016, 0x18180018, 0x22220022, 0x44440044, 0xb2b200b2, |
| 215 0xb5b500b5, 0x91910091, 0x08080008, 0xa8a800a8, 0xfcfc00fc, 0x50500050, |
| 216 0xd0d000d0, 0x7d7d007d, 0x89890089, 0x97970097, 0x5b5b005b, 0x95950095, |
| 217 0xffff00ff, 0xd2d200d2, 0xc4c400c4, 0x48480048, 0xf7f700f7, 0xdbdb00db, |
| 218 0x03030003, 0xdada00da, 0x3f3f003f, 0x94940094, 0x5c5c005c, 0x02020002, |
| 219 0x4a4a004a, 0x33330033, 0x67670067, 0xf3f300f3, 0x7f7f007f, 0xe2e200e2, |
| 220 0x9b9b009b, 0x26260026, 0x37370037, 0x3b3b003b, 0x96960096, 0x4b4b004b, |
| 221 0xbebe00be, 0x2e2e002e, 0x79790079, 0x8c8c008c, 0x6e6e006e, 0x8e8e008e, |
| 222 0xf5f500f5, 0xb6b600b6, 0xfdfd00fd, 0x59590059, 0x98980098, 0x6a6a006a, |
| 223 0x46460046, 0xbaba00ba, 0x25250025, 0x42420042, 0xa2a200a2, 0xfafa00fa, |
| 224 0x07070007, 0x55550055, 0xeeee00ee, 0x0a0a000a, 0x49490049, 0x68680068, |
| 225 0x38380038, 0xa4a400a4, 0x28280028, 0x7b7b007b, 0xc9c900c9, 0xc1c100c1, |
| 226 0xe3e300e3, 0xf4f400f4, 0xc7c700c7, 0x9e9e009e }, |
| 227 { 0x00e0e0e0, 0x00050505, 0x00585858, 0x00d9d9d9, 0x00676767, 0x004e4e4e, |
| 228 0x00818181, 0x00cbcbcb, 0x00c9c9c9, 0x000b0b0b, 0x00aeaeae, 0x006a6a6a, |
| 229 0x00d5d5d5, 0x00181818, 0x005d5d5d, 0x00828282, 0x00464646, 0x00dfdfdf, |
| 230 0x00d6d6d6, 0x00272727, 0x008a8a8a, 0x00323232, 0x004b4b4b, 0x00424242, |
| 231 0x00dbdbdb, 0x001c1c1c, 0x009e9e9e, 0x009c9c9c, 0x003a3a3a, 0x00cacaca, |
| 232 0x00252525, 0x007b7b7b, 0x000d0d0d, 0x00717171, 0x005f5f5f, 0x001f1f1f, |
| 233 0x00f8f8f8, 0x00d7d7d7, 0x003e3e3e, 0x009d9d9d, 0x007c7c7c, 0x00606060, |
| 234 0x00b9b9b9, 0x00bebebe, 0x00bcbcbc, 0x008b8b8b, 0x00161616, 0x00343434, |
| 235 0x004d4d4d, 0x00c3c3c3, 0x00727272, 0x00959595, 0x00ababab, 0x008e8e8e, |
| 236 0x00bababa, 0x007a7a7a, 0x00b3b3b3, 0x00020202, 0x00b4b4b4, 0x00adadad, |
| 237 0x00a2a2a2, 0x00acacac, 0x00d8d8d8, 0x009a9a9a, 0x00171717, 0x001a1a1a, |
| 238 0x00353535, 0x00cccccc, 0x00f7f7f7, 0x00999999, 0x00616161, 0x005a5a5a, |
| 239 0x00e8e8e8, 0x00242424, 0x00565656, 0x00404040, 0x00e1e1e1, 0x00636363, |
| 240 0x00090909, 0x00333333, 0x00bfbfbf, 0x00989898, 0x00979797, 0x00858585, |
| 241 0x00686868, 0x00fcfcfc, 0x00ececec, 0x000a0a0a, 0x00dadada, 0x006f6f6f, |
| 242 0x00535353, 0x00626262, 0x00a3a3a3, 0x002e2e2e, 0x00080808, 0x00afafaf, |
| 243 0x00282828, 0x00b0b0b0, 0x00747474, 0x00c2c2c2, 0x00bdbdbd, 0x00363636, |
| 244 0x00222222, 0x00383838, 0x00646464, 0x001e1e1e, 0x00393939, 0x002c2c2c, |
| 245 0x00a6a6a6, 0x00303030, 0x00e5e5e5, 0x00444444, 0x00fdfdfd, 0x00888888, |
| 246 0x009f9f9f, 0x00656565, 0x00878787, 0x006b6b6b, 0x00f4f4f4, 0x00232323, |
| 247 0x00484848, 0x00101010, 0x00d1d1d1, 0x00515151, 0x00c0c0c0, 0x00f9f9f9, |
| 248 0x00d2d2d2, 0x00a0a0a0, 0x00555555, 0x00a1a1a1, 0x00414141, 0x00fafafa, |
| 249 0x00434343, 0x00131313, 0x00c4c4c4, 0x002f2f2f, 0x00a8a8a8, 0x00b6b6b6, |
| 250 0x003c3c3c, 0x002b2b2b, 0x00c1c1c1, 0x00ffffff, 0x00c8c8c8, 0x00a5a5a5, |
| 251 0x00202020, 0x00898989, 0x00000000, 0x00909090, 0x00474747, 0x00efefef, |
| 252 0x00eaeaea, 0x00b7b7b7, 0x00151515, 0x00060606, 0x00cdcdcd, 0x00b5b5b5, |
| 253 0x00121212, 0x007e7e7e, 0x00bbbbbb, 0x00292929, 0x000f0f0f, 0x00b8b8b8, |
| 254 0x00070707, 0x00040404, 0x009b9b9b, 0x00949494, 0x00212121, 0x00666666, |
| 255 0x00e6e6e6, 0x00cecece, 0x00ededed, 0x00e7e7e7, 0x003b3b3b, 0x00fefefe, |
| 256 0x007f7f7f, 0x00c5c5c5, 0x00a4a4a4, 0x00373737, 0x00b1b1b1, 0x004c4c4c, |
| 257 0x00919191, 0x006e6e6e, 0x008d8d8d, 0x00767676, 0x00030303, 0x002d2d2d, |
| 258 0x00dedede, 0x00969696, 0x00262626, 0x007d7d7d, 0x00c6c6c6, 0x005c5c5c, |
| 259 0x00d3d3d3, 0x00f2f2f2, 0x004f4f4f, 0x00191919, 0x003f3f3f, 0x00dcdcdc, |
| 260 0x00797979, 0x001d1d1d, 0x00525252, 0x00ebebeb, 0x00f3f3f3, 0x006d6d6d, |
| 261 0x005e5e5e, 0x00fbfbfb, 0x00696969, 0x00b2b2b2, 0x00f0f0f0, 0x00313131, |
| 262 0x000c0c0c, 0x00d4d4d4, 0x00cfcfcf, 0x008c8c8c, 0x00e2e2e2, 0x00757575, |
| 263 0x00a9a9a9, 0x004a4a4a, 0x00575757, 0x00848484, 0x00111111, 0x00454545, |
| 264 0x001b1b1b, 0x00f5f5f5, 0x00e4e4e4, 0x000e0e0e, 0x00737373, 0x00aaaaaa, |
| 265 0x00f1f1f1, 0x00dddddd, 0x00595959, 0x00141414, 0x006c6c6c, 0x00929292, |
| 266 0x00545454, 0x00d0d0d0, 0x00787878, 0x00707070, 0x00e3e3e3, 0x00494949, |
| 267 0x00808080, 0x00505050, 0x00a7a7a7, 0x00f6f6f6, 0x00777777, 0x00939393, |
| 268 0x00868686, 0x00838383, 0x002a2a2a, 0x00c7c7c7, 0x005b5b5b, 0x00e9e9e9, |
| 269 0x00eeeeee, 0x008f8f8f, 0x00010101, 0x003d3d3d }, |
| 270 { 0x38003838, 0x41004141, 0x16001616, 0x76007676, 0xd900d9d9, 0x93009393, |
| 271 0x60006060, 0xf200f2f2, 0x72007272, 0xc200c2c2, 0xab00abab, 0x9a009a9a, |
| 272 0x75007575, 0x06000606, 0x57005757, 0xa000a0a0, 0x91009191, 0xf700f7f7, |
| 273 0xb500b5b5, 0xc900c9c9, 0xa200a2a2, 0x8c008c8c, 0xd200d2d2, 0x90009090, |
| 274 0xf600f6f6, 0x07000707, 0xa700a7a7, 0x27002727, 0x8e008e8e, 0xb200b2b2, |
| 275 0x49004949, 0xde00dede, 0x43004343, 0x5c005c5c, 0xd700d7d7, 0xc700c7c7, |
| 276 0x3e003e3e, 0xf500f5f5, 0x8f008f8f, 0x67006767, 0x1f001f1f, 0x18001818, |
| 277 0x6e006e6e, 0xaf00afaf, 0x2f002f2f, 0xe200e2e2, 0x85008585, 0x0d000d0d, |
| 278 0x53005353, 0xf000f0f0, 0x9c009c9c, 0x65006565, 0xea00eaea, 0xa300a3a3, |
| 279 0xae00aeae, 0x9e009e9e, 0xec00ecec, 0x80008080, 0x2d002d2d, 0x6b006b6b, |
| 280 0xa800a8a8, 0x2b002b2b, 0x36003636, 0xa600a6a6, 0xc500c5c5, 0x86008686, |
| 281 0x4d004d4d, 0x33003333, 0xfd00fdfd, 0x66006666, 0x58005858, 0x96009696, |
| 282 0x3a003a3a, 0x09000909, 0x95009595, 0x10001010, 0x78007878, 0xd800d8d8, |
| 283 0x42004242, 0xcc00cccc, 0xef00efef, 0x26002626, 0xe500e5e5, 0x61006161, |
| 284 0x1a001a1a, 0x3f003f3f, 0x3b003b3b, 0x82008282, 0xb600b6b6, 0xdb00dbdb, |
| 285 0xd400d4d4, 0x98009898, 0xe800e8e8, 0x8b008b8b, 0x02000202, 0xeb00ebeb, |
| 286 0x0a000a0a, 0x2c002c2c, 0x1d001d1d, 0xb000b0b0, 0x6f006f6f, 0x8d008d8d, |
| 287 0x88008888, 0x0e000e0e, 0x19001919, 0x87008787, 0x4e004e4e, 0x0b000b0b, |
| 288 0xa900a9a9, 0x0c000c0c, 0x79007979, 0x11001111, 0x7f007f7f, 0x22002222, |
| 289 0xe700e7e7, 0x59005959, 0xe100e1e1, 0xda00dada, 0x3d003d3d, 0xc800c8c8, |
| 290 0x12001212, 0x04000404, 0x74007474, 0x54005454, 0x30003030, 0x7e007e7e, |
| 291 0xb400b4b4, 0x28002828, 0x55005555, 0x68006868, 0x50005050, 0xbe00bebe, |
| 292 0xd000d0d0, 0xc400c4c4, 0x31003131, 0xcb00cbcb, 0x2a002a2a, 0xad00adad, |
| 293 0x0f000f0f, 0xca00caca, 0x70007070, 0xff00ffff, 0x32003232, 0x69006969, |
| 294 0x08000808, 0x62006262, 0x00000000, 0x24002424, 0xd100d1d1, 0xfb00fbfb, |
| 295 0xba00baba, 0xed00eded, 0x45004545, 0x81008181, 0x73007373, 0x6d006d6d, |
| 296 0x84008484, 0x9f009f9f, 0xee00eeee, 0x4a004a4a, 0xc300c3c3, 0x2e002e2e, |
| 297 0xc100c1c1, 0x01000101, 0xe600e6e6, 0x25002525, 0x48004848, 0x99009999, |
| 298 0xb900b9b9, 0xb300b3b3, 0x7b007b7b, 0xf900f9f9, 0xce00cece, 0xbf00bfbf, |
| 299 0xdf00dfdf, 0x71007171, 0x29002929, 0xcd00cdcd, 0x6c006c6c, 0x13001313, |
| 300 0x64006464, 0x9b009b9b, 0x63006363, 0x9d009d9d, 0xc000c0c0, 0x4b004b4b, |
| 301 0xb700b7b7, 0xa500a5a5, 0x89008989, 0x5f005f5f, 0xb100b1b1, 0x17001717, |
| 302 0xf400f4f4, 0xbc00bcbc, 0xd300d3d3, 0x46004646, 0xcf00cfcf, 0x37003737, |
| 303 0x5e005e5e, 0x47004747, 0x94009494, 0xfa00fafa, 0xfc00fcfc, 0x5b005b5b, |
| 304 0x97009797, 0xfe00fefe, 0x5a005a5a, 0xac00acac, 0x3c003c3c, 0x4c004c4c, |
| 305 0x03000303, 0x35003535, 0xf300f3f3, 0x23002323, 0xb800b8b8, 0x5d005d5d, |
| 306 0x6a006a6a, 0x92009292, 0xd500d5d5, 0x21002121, 0x44004444, 0x51005151, |
| 307 0xc600c6c6, 0x7d007d7d, 0x39003939, 0x83008383, 0xdc00dcdc, 0xaa00aaaa, |
| 308 0x7c007c7c, 0x77007777, 0x56005656, 0x05000505, 0x1b001b1b, 0xa400a4a4, |
| 309 0x15001515, 0x34003434, 0x1e001e1e, 0x1c001c1c, 0xf800f8f8, 0x52005252, |
| 310 0x20002020, 0x14001414, 0xe900e9e9, 0xbd00bdbd, 0xdd00dddd, 0xe400e4e4, |
| 311 0xa100a1a1, 0xe000e0e0, 0x8a008a8a, 0xf100f1f1, 0xd600d6d6, 0x7a007a7a, |
| 312 0xbb00bbbb, 0xe300e3e3, 0x40004040, 0x4f004f4f } |
| 313 }; |
| 314 |
| 315 /* Key generation constants */ |
| 316 static const u32 SIGMA[] = { |
| 317 0xa09e667f, 0x3bcc908b, 0xb67ae858, 0x4caa73b2, 0xc6ef372f, 0xe94f82be, |
| 318 0x54ff53a5, 0xf1d36f1c, 0x10e527fa, 0xde682d1d, 0xb05688c2, 0xb3e6c1fd |
| 319 }; |
| 320 |
| 321 /* The phi algorithm given in C.2.7 of the Camellia spec document. */ |
93 /* | 322 /* |
94 * macros | 323 * This version does not attempt to minimize amount of temporary |
| 324 * variables, but instead explicitly exposes algorithm's parallelism. |
| 325 * It is therefore most appropriate for platforms with not less than |
| 326 * ~16 registers. For platforms with less registers [well, x86 to be |
| 327 * specific] assembler version should be/is provided anyway... |
95 */ | 328 */ |
96 | 329 #define Camellia_Feistel(_s0,_s1,_s2,_s3,_key) do {\ |
97 /* e is pointer of subkey */ | 330 » register u32 _t0,_t1,_t2,_t3;\ |
98 #define CamelliaSubkeyL(INDEX) (subkey[(INDEX)*2]) | 331 \ |
99 #define CamelliaSubkeyR(INDEX) (subkey[(INDEX)*2 + 1]) | 332 » _t0 = _s0 ^ (_key)[0];\ |
100 | 333 » _t3 = SBOX4_4404[_t0&0xff];\ |
101 /* rotation right shift 1byte */ | 334 » _t1 = _s1 ^ (_key)[1];\ |
102 #define CAMELLIA_RR8(x) (((x) >> 8) + ((x) << 24)) | 335 » _t3 ^= SBOX3_3033[(_t0 >> 8)&0xff];\ |
103 /* rotation left shift 1bit */ | 336 » _t2 = SBOX1_1110[_t1&0xff];\ |
104 #define CAMELLIA_RL1(x) (((x) << 1) + ((x) >> 31)) | 337 » _t3 ^= SBOX2_0222[(_t0 >> 16)&0xff];\ |
105 /* rotation left shift 1byte */ | 338 » _t2 ^= SBOX4_4404[(_t1 >> 8)&0xff];\ |
106 #define CAMELLIA_RL8(x) (((x) << 8) + ((x) >> 24)) | 339 » _t3 ^= SBOX1_1110[(_t0 >> 24)];\ |
107 | 340 » _t2 ^= _t3;\ |
108 #define CAMELLIA_ROLDQ(ll, lr, rl, rr, w0, w1, bits)» \ | 341 » _t3 = RightRotate(_t3,8);\ |
109 do» » » » » » » \ | 342 » _t2 ^= SBOX3_3033[(_t1 >> 16)&0xff];\ |
110 » {» » » » » » \ | 343 » _s3 ^= _t3;\ |
111 » w0 = ll;» » » » » \ | 344 » _t2 ^= SBOX2_0222[(_t1 >> 24)];\ |
112 » ll = (ll << bits) + (lr >> (32 - bits));» \ | 345 » _s2 ^= _t2; \ |
113 » lr = (lr << bits) + (rl >> (32 - bits));» \ | 346 » _s3 ^= _t2;\ |
114 » rl = (rl << bits) + (rr >> (32 - bits));» \ | 347 } while(0) |
115 » rr = (rr << bits) + (w0 >> (32 - bits));» \ | |
116 » } while(0) | |
117 | |
118 #define CAMELLIA_ROLDQo32(ll, lr, rl, rr, w0, w1, bits)»\ | |
119 do» » » » » » » \ | |
120 » {» » » » » » \ | |
121 » w0 = ll;» » » » » \ | |
122 » w1 = lr;» » » » » \ | |
123 » ll = (lr << (bits - 32)) + (rl >> (64 - bits));»\ | |
124 » lr = (rl << (bits - 32)) + (rr >> (64 - bits));»\ | |
125 » rl = (rr << (bits - 32)) + (w0 >> (64 - bits));»\ | |
126 » rr = (w0 << (bits - 32)) + (w1 >> (64 - bits));»\ | |
127 » } while(0) | |
128 | |
129 #define CAMELLIA_SP1110(INDEX) (camellia_sp1110[(INDEX)]) | |
130 #define CAMELLIA_SP0222(INDEX) (camellia_sp0222[(INDEX)]) | |
131 #define CAMELLIA_SP3033(INDEX) (camellia_sp3033[(INDEX)]) | |
132 #define CAMELLIA_SP4404(INDEX) (camellia_sp4404[(INDEX)]) | |
133 | |
134 #define CAMELLIA_F(xl, xr, kl, kr, yl, yr, il, ir, t0, t1)» » \ | |
135 do» » » » » » » » » \ | |
136 » {» » » » » » » » \ | |
137 » il = xl ^ kl;» » » » » » » \ | |
138 » ir = xr ^ kr;» » » » » » » \ | |
139 » t0 = il >> 16;» » » » » » » \ | |
140 » t1 = ir >> 16;» » » » » » » \ | |
141 » yl = CAMELLIA_SP1110(ir & 0xff)»» » » » \ | |
142 » » ^ CAMELLIA_SP0222((t1 >> 8) & 0xff)» » » \ | |
143 » » ^ CAMELLIA_SP3033(t1 & 0xff)» » » » \ | |
144 » » ^ CAMELLIA_SP4404((ir >> 8) & 0xff);» » » \ | |
145 » yr = CAMELLIA_SP1110((t0 >> 8) & 0xff)» » » » \ | |
146 » » ^ CAMELLIA_SP0222(t0 & 0xff)» » » » \ | |
147 » » ^ CAMELLIA_SP3033((il >> 8) & 0xff)» » » \ | |
148 » » ^ CAMELLIA_SP4404(il & 0xff);» » » » \ | |
149 » yl ^= yr;» » » » » » » \ | |
150 » yr = CAMELLIA_RR8(yr);» » » » » » \ | |
151 » yr ^= yl;» » » » » » » \ | |
152 » } while(0) | |
153 | |
154 | 348 |
155 /* | 349 /* |
156 * for speed up | 350 * Note that n has to be less than 32. Rotations for larger amount |
157 * | 351 * of bits are achieved by "rotating" order of s-elements and |
| 352 * adjusting n accordingly, e.g. RotLeft128(s1,s2,s3,s0,n-32). |
158 */ | 353 */ |
159 #define CAMELLIA_FLS(ll, lr, rl, rr, kll, klr, krl, krr, t0, t1, t2, t3) \ | 354 #define RotLeft128(_s0,_s1,_s2,_s3,_n) do {\ |
160 do» » » » » » » » » \ | 355 » u32 _t0=_s0>>(32-_n);\ |
161 » {» » » » » » » » \ | 356 » _s0 = (_s0<<_n) | (_s1>>(32-_n));\ |
162 » t0 = kll;» » » » » » » \ | 357 » _s1 = (_s1<<_n) | (_s2>>(32-_n));\ |
163 » t0 &= ll;» » » » » » » \ | 358 » _s2 = (_s2<<_n) | (_s3>>(32-_n));\ |
164 » lr ^= CAMELLIA_RL1(t0);»» » » » » \ | 359 » _s3 = (_s3<<_n) | _t0;\ |
165 » t1 = klr;» » » » » » » \ | 360 } while (0) |
166 » t1 |= lr;» » » » » » » \ | 361 |
167 » ll ^= t1;» » » » » » » \ | 362 int Camellia_Ekeygen(int keyBitLength, const u8 *rawKey, KEY_TABLE_TYPE k) |
168 » » » » » » » » » \ | |
169 » t2 = krr;» » » » » » » \ | |
170 » t2 |= rr;» » » » » » » \ | |
171 » rl ^= t2;» » » » » » » \ | |
172 » t3 = krl;» » » » » » » \ | |
173 » t3 &= rl;» » » » » » » \ | |
174 » rr ^= CAMELLIA_RL1(t3);»» » » » » \ | |
175 » } while(0) | |
176 | |
177 #define CAMELLIA_ROUNDSM(xl, xr, kl, kr, yl, yr, il, ir, t0, t1)» \ | |
178 do» » » » » » » » » \ | |
179 » {» » » » » » » » \ | |
180 » il = xl;» » » » » » » \ | |
181 » ir = xr;» » » » » » » \ | |
182 » t0 = il >> 16;» » » » » » » \ | |
183 » t1 = ir >> 16;» » » » » » » \ | |
184 » ir = CAMELLIA_SP1110(ir & 0xff)»» » » » \ | |
185 » » ^ CAMELLIA_SP0222((t1 >> 8) & 0xff)» » » \ | |
186 » » ^ CAMELLIA_SP3033(t1 & 0xff)» » » » \ | |
187 » » ^ CAMELLIA_SP4404((ir >> 8) & 0xff);» » » \ | |
188 » il = CAMELLIA_SP1110((t0 >> 8) & 0xff)» » » » \ | |
189 » » ^ CAMELLIA_SP0222(t0 & 0xff)» » » » \ | |
190 » » ^ CAMELLIA_SP3033((il >> 8) & 0xff)» » » \ | |
191 » » ^ CAMELLIA_SP4404(il & 0xff);» » » » \ | |
192 » il ^= kl;» » » » » » » \ | |
193 » ir ^= kr;» » » » » » » \ | |
194 » ir ^= il;» » » » » » » \ | |
195 » il = CAMELLIA_RR8(il);» » » » » » \ | |
196 » il ^= ir;» » » » » » » \ | |
197 » yl ^= ir;» » » » » » » \ | |
198 » yr ^= il;» » » » » » » \ | |
199 » } while(0) | |
200 | |
201 static const u32 camellia_sp1110[256] = | |
202 { | 363 { |
203 » 0x70707000,0x82828200,0x2c2c2c00,0xececec00, | 364 » register u32 s0,s1,s2,s3; |
204 » 0xb3b3b300,0x27272700,0xc0c0c000,0xe5e5e500, | 365 |
205 » 0xe4e4e400,0x85858500,0x57575700,0x35353500, | 366 » k[0] = s0 = GETU32(rawKey); |
206 » 0xeaeaea00,0x0c0c0c00,0xaeaeae00,0x41414100, | 367 » k[1] = s1 = GETU32(rawKey+4); |
207 » 0x23232300,0xefefef00,0x6b6b6b00,0x93939300, | 368 » k[2] = s2 = GETU32(rawKey+8); |
208 » 0x45454500,0x19191900,0xa5a5a500,0x21212100, | 369 » k[3] = s3 = GETU32(rawKey+12); |
209 » 0xededed00,0x0e0e0e00,0x4f4f4f00,0x4e4e4e00, | 370 |
210 » 0x1d1d1d00,0x65656500,0x92929200,0xbdbdbd00, | 371 » if (keyBitLength != 128) |
211 » 0x86868600,0xb8b8b800,0xafafaf00,0x8f8f8f00, | 372 » » { |
212 » 0x7c7c7c00,0xebebeb00,0x1f1f1f00,0xcecece00, | 373 » » k[8] = s0 = GETU32(rawKey+16); |
213 » 0x3e3e3e00,0x30303000,0xdcdcdc00,0x5f5f5f00, | 374 » » k[9] = s1 = GETU32(rawKey+20); |
214 » 0x5e5e5e00,0xc5c5c500,0x0b0b0b00,0x1a1a1a00, | 375 » » if (keyBitLength == 192) |
215 » 0xa6a6a600,0xe1e1e100,0x39393900,0xcacaca00, | 376 » » » { |
216 » 0xd5d5d500,0x47474700,0x5d5d5d00,0x3d3d3d00, | 377 » » » k[10] = s2 = ~s0; |
217 » 0xd9d9d900,0x01010100,0x5a5a5a00,0xd6d6d600, | 378 » » » k[11] = s3 = ~s1; |
218 » 0x51515100,0x56565600,0x6c6c6c00,0x4d4d4d00, | 379 » » » } |
219 » 0x8b8b8b00,0x0d0d0d00,0x9a9a9a00,0x66666600, | 380 » » else |
220 » 0xfbfbfb00,0xcccccc00,0xb0b0b000,0x2d2d2d00, | 381 » » » { |
221 » 0x74747400,0x12121200,0x2b2b2b00,0x20202000, | 382 » » » k[10] = s2 = GETU32(rawKey+24); |
222 » 0xf0f0f000,0xb1b1b100,0x84848400,0x99999900, | 383 » » » k[11] = s3 = GETU32(rawKey+28); |
223 » 0xdfdfdf00,0x4c4c4c00,0xcbcbcb00,0xc2c2c200, | 384 » » » } |
224 » 0x34343400,0x7e7e7e00,0x76767600,0x05050500, | 385 » » s0 ^= k[0], s1 ^= k[1], s2 ^= k[2], s3 ^= k[3]; |
225 » 0x6d6d6d00,0xb7b7b700,0xa9a9a900,0x31313100, | 386 » » } |
226 » 0xd1d1d100,0x17171700,0x04040400,0xd7d7d700, | 387 |
227 » 0x14141400,0x58585800,0x3a3a3a00,0x61616100, | 388 » /* Use the Feistel routine to scramble the key material */ |
228 » 0xdedede00,0x1b1b1b00,0x11111100,0x1c1c1c00, | 389 » Camellia_Feistel(s0,s1,s2,s3,SIGMA+0); |
229 » 0x32323200,0x0f0f0f00,0x9c9c9c00,0x16161600, | 390 » Camellia_Feistel(s2,s3,s0,s1,SIGMA+2); |
230 » 0x53535300,0x18181800,0xf2f2f200,0x22222200, | 391 |
231 » 0xfefefe00,0x44444400,0xcfcfcf00,0xb2b2b200, | 392 » s0 ^= k[0], s1 ^= k[1], s2 ^= k[2], s3 ^= k[3]; |
232 » 0xc3c3c300,0xb5b5b500,0x7a7a7a00,0x91919100, | 393 » Camellia_Feistel(s0,s1,s2,s3,SIGMA+4); |
233 » 0x24242400,0x08080800,0xe8e8e800,0xa8a8a800, | 394 » Camellia_Feistel(s2,s3,s0,s1,SIGMA+6); |
234 » 0x60606000,0xfcfcfc00,0x69696900,0x50505000, | 395 |
235 » 0xaaaaaa00,0xd0d0d000,0xa0a0a000,0x7d7d7d00, | 396 » /* Fill the keyTable. Requires many block rotations. */ |
236 » 0xa1a1a100,0x89898900,0x62626200,0x97979700, | 397 » if (keyBitLength == 128) |
237 » 0x54545400,0x5b5b5b00,0x1e1e1e00,0x95959500, | 398 » » { |
238 » 0xe0e0e000,0xffffff00,0x64646400,0xd2d2d200, | 399 » » k[ 4] = s0, k[ 5] = s1, k[ 6] = s2, k[ 7] = s3; |
239 » 0x10101000,0xc4c4c400,0x00000000,0x48484800, | 400 » » RotLeft128(s0,s1,s2,s3,15);» /* KA <<< 15 */ |
240 » 0xa3a3a300,0xf7f7f700,0x75757500,0xdbdbdb00, | 401 » » k[12] = s0, k[13] = s1, k[14] = s2, k[15] = s3; |
241 » 0x8a8a8a00,0x03030300,0xe6e6e600,0xdadada00, | 402 » » RotLeft128(s0,s1,s2,s3,15);» /* KA <<< 30 */ |
242 » 0x09090900,0x3f3f3f00,0xdddddd00,0x94949400, | 403 » » k[16] = s0, k[17] = s1, k[18] = s2, k[19] = s3; |
243 » 0x87878700,0x5c5c5c00,0x83838300,0x02020200, | 404 » » RotLeft128(s0,s1,s2,s3,15);» /* KA <<< 45 */ |
244 » 0xcdcdcd00,0x4a4a4a00,0x90909000,0x33333300, | 405 » » k[24] = s0, k[25] = s1; |
245 » 0x73737300,0x67676700,0xf6f6f600,0xf3f3f300, | 406 » » RotLeft128(s0,s1,s2,s3,15);» /* KA <<< 60 */ |
246 » 0x9d9d9d00,0x7f7f7f00,0xbfbfbf00,0xe2e2e200, | 407 » » k[28] = s0, k[29] = s1, k[30] = s2, k[31] = s3; |
247 » 0x52525200,0x9b9b9b00,0xd8d8d800,0x26262600, | 408 » » RotLeft128(s1,s2,s3,s0,2);» /* KA <<< 94 */ |
248 » 0xc8c8c800,0x37373700,0xc6c6c600,0x3b3b3b00, | 409 » » k[40] = s1, k[41] = s2, k[42] = s3, k[43] = s0; |
249 » 0x81818100,0x96969600,0x6f6f6f00,0x4b4b4b00, | 410 » » RotLeft128(s1,s2,s3,s0,17);» /* KA <<<111 */ |
250 » 0x13131300,0xbebebe00,0x63636300,0x2e2e2e00, | 411 » » k[48] = s1, k[49] = s2, k[50] = s3, k[51] = s0; |
251 » 0xe9e9e900,0x79797900,0xa7a7a700,0x8c8c8c00, | 412 |
252 » 0x9f9f9f00,0x6e6e6e00,0xbcbcbc00,0x8e8e8e00, | 413 » » s0 = k[ 0], s1 = k[ 1], s2 = k[ 2], s3 = k[ 3]; |
253 » 0x29292900,0xf5f5f500,0xf9f9f900,0xb6b6b600, | 414 » » RotLeft128(s0,s1,s2,s3,15);» /* KL <<< 15 */ |
254 » 0x2f2f2f00,0xfdfdfd00,0xb4b4b400,0x59595900, | 415 » » k[ 8] = s0, k[ 9] = s1, k[10] = s2, k[11] = s3; |
255 » 0x78787800,0x98989800,0x06060600,0x6a6a6a00, | 416 » » RotLeft128(s0,s1,s2,s3,30);» /* KL <<< 45 */ |
256 » 0xe7e7e700,0x46464600,0x71717100,0xbababa00, | 417 » » k[20] = s0, k[21] = s1, k[22] = s2, k[23] = s3; |
257 » 0xd4d4d400,0x25252500,0xababab00,0x42424200, | 418 » » RotLeft128(s0,s1,s2,s3,15);» /* KL <<< 60 */ |
258 » 0x88888800,0xa2a2a200,0x8d8d8d00,0xfafafa00, | 419 » » k[26] = s2, k[27] = s3; |
259 » 0x72727200,0x07070700,0xb9b9b900,0x55555500, | 420 » » RotLeft128(s0,s1,s2,s3,17);» /* KL <<< 77 */ |
260 » 0xf8f8f800,0xeeeeee00,0xacacac00,0x0a0a0a00, | 421 » » k[32] = s0, k[33] = s1, k[34] = s2, k[35] = s3; |
261 » 0x36363600,0x49494900,0x2a2a2a00,0x68686800, | 422 » » RotLeft128(s0,s1,s2,s3,17);» /* KL <<< 94 */ |
262 » 0x3c3c3c00,0x38383800,0xf1f1f100,0xa4a4a400, | 423 » » k[36] = s0, k[37] = s1, k[38] = s2, k[39] = s3; |
263 » 0x40404000,0x28282800,0xd3d3d300,0x7b7b7b00, | 424 » » RotLeft128(s0,s1,s2,s3,17);» /* KL <<<111 */ |
264 » 0xbbbbbb00,0xc9c9c900,0x43434300,0xc1c1c100, | 425 » » k[44] = s0, k[45] = s1, k[46] = s2, k[47] = s3; |
265 » 0x15151500,0xe3e3e300,0xadadad00,0xf4f4f400, | 426 |
266 » 0x77777700,0xc7c7c700,0x80808000,0x9e9e9e00, | 427 » » return 3;» /* grand rounds */ |
267 » }; | 428 » » } |
268 | 429 » else |
269 static const u32 camellia_sp0222[256] = | 430 » » { |
| 431 » » k[12] = s0, k[13] = s1, k[14] = s2, k[15] = s3; |
| 432 » » s0 ^= k[8], s1 ^= k[9], s2 ^=k[10], s3 ^=k[11]; |
| 433 » » Camellia_Feistel(s0,s1,s2,s3,(SIGMA+8)); |
| 434 » » Camellia_Feistel(s2,s3,s0,s1,(SIGMA+10)); |
| 435 |
| 436 » » k[ 4] = s0, k[ 5] = s1, k[ 6] = s2, k[ 7] = s3; |
| 437 » » RotLeft128(s0,s1,s2,s3,30);» /* KB <<< 30 */ |
| 438 » » k[20] = s0, k[21] = s1, k[22] = s2, k[23] = s3; |
| 439 » » RotLeft128(s0,s1,s2,s3,30);» /* KB <<< 60 */ |
| 440 » » k[40] = s0, k[41] = s1, k[42] = s2, k[43] = s3; |
| 441 » » RotLeft128(s1,s2,s3,s0,19);» /* KB <<<111 */ |
| 442 » » k[64] = s1, k[65] = s2, k[66] = s3, k[67] = s0; |
| 443 |
| 444 » » s0 = k[ 8], s1 = k[ 9], s2 = k[10], s3 = k[11]; |
| 445 » » RotLeft128(s0,s1,s2,s3,15);» /* KR <<< 15 */ |
| 446 » » k[ 8] = s0, k[ 9] = s1, k[10] = s2, k[11] = s3; |
| 447 » » RotLeft128(s0,s1,s2,s3,15);» /* KR <<< 30 */ |
| 448 » » k[16] = s0, k[17] = s1, k[18] = s2, k[19] = s3; |
| 449 » » RotLeft128(s0,s1,s2,s3,30);» /* KR <<< 60 */ |
| 450 » » k[36] = s0, k[37] = s1, k[38] = s2, k[39] = s3; |
| 451 » » RotLeft128(s1,s2,s3,s0,2);» /* KR <<< 94 */ |
| 452 » » k[52] = s1, k[53] = s2, k[54] = s3, k[55] = s0; |
| 453 |
| 454 » » s0 = k[12], s1 = k[13], s2 = k[14], s3 = k[15]; |
| 455 » » RotLeft128(s0,s1,s2,s3,15);» /* KA <<< 15 */ |
| 456 » » k[12] = s0, k[13] = s1, k[14] = s2, k[15] = s3; |
| 457 » » RotLeft128(s0,s1,s2,s3,30);» /* KA <<< 45 */ |
| 458 » » k[28] = s0, k[29] = s1, k[30] = s2, k[31] = s3; |
| 459 » » » » » » /* KA <<< 77 */ |
| 460 » » k[48] = s1, k[49] = s2, k[50] = s3, k[51] = s0; |
| 461 » » RotLeft128(s1,s2,s3,s0,17);» /* KA <<< 94 */ |
| 462 » » k[56] = s1, k[57] = s2, k[58] = s3, k[59] = s0; |
| 463 |
| 464 » » s0 = k[ 0], s1 = k[ 1], s2 = k[ 2], s3 = k[ 3]; |
| 465 » » RotLeft128(s1,s2,s3,s0,13);» /* KL <<< 45 */ |
| 466 » » k[24] = s1, k[25] = s2, k[26] = s3, k[27] = s0; |
| 467 » » RotLeft128(s1,s2,s3,s0,15);» /* KL <<< 60 */ |
| 468 » » k[32] = s1, k[33] = s2, k[34] = s3, k[35] = s0; |
| 469 » » RotLeft128(s1,s2,s3,s0,17);» /* KL <<< 77 */ |
| 470 » » k[44] = s1, k[45] = s2, k[46] = s3, k[47] = s0; |
| 471 » » RotLeft128(s2,s3,s0,s1,2);» /* KL <<<111 */ |
| 472 » » k[60] = s2, k[61] = s3, k[62] = s0, k[63] = s1; |
| 473 |
| 474 » » return 4;» /* grand rounds */ |
| 475 » » } |
| 476 » /* |
| 477 » * It is possible to perform certain precalculations, which |
| 478 » * would spare few cycles in block procedure. It's not done, |
| 479 » * because it upsets the performance balance between key |
| 480 » * setup and block procedures, negatively affecting overall |
| 481 » * throughput in applications operating on short messages |
| 482 » * and volatile keys. |
| 483 » */ |
| 484 » } |
| 485 |
| 486 void Camellia_EncryptBlock_Rounds(int grandRounds, const u8 plaintext[], |
| 487 » » const KEY_TABLE_TYPE keyTable, u8 ciphertext[]) |
270 { | 488 { |
271 » 0x00e0e0e0,0x00050505,0x00585858,0x00d9d9d9, | 489 » register u32 s0,s1,s2,s3; |
272 » 0x00676767,0x004e4e4e,0x00818181,0x00cbcbcb, | 490 » const u32 *k = keyTable,*kend = keyTable+grandRounds*16; |
273 » 0x00c9c9c9,0x000b0b0b,0x00aeaeae,0x006a6a6a, | 491 |
274 » 0x00d5d5d5,0x00181818,0x005d5d5d,0x00828282, | 492 » s0 = GETU32(plaintext) ^ k[0]; |
275 » 0x00464646,0x00dfdfdf,0x00d6d6d6,0x00272727, | 493 » s1 = GETU32(plaintext+4) ^ k[1]; |
276 » 0x008a8a8a,0x00323232,0x004b4b4b,0x00424242, | 494 » s2 = GETU32(plaintext+8) ^ k[2]; |
277 » 0x00dbdbdb,0x001c1c1c,0x009e9e9e,0x009c9c9c, | 495 » s3 = GETU32(plaintext+12) ^ k[3]; |
278 » 0x003a3a3a,0x00cacaca,0x00252525,0x007b7b7b, | 496 » k += 4; |
279 » 0x000d0d0d,0x00717171,0x005f5f5f,0x001f1f1f, | 497 |
280 » 0x00f8f8f8,0x00d7d7d7,0x003e3e3e,0x009d9d9d, | 498 » while (1) |
281 » 0x007c7c7c,0x00606060,0x00b9b9b9,0x00bebebe, | 499 » » { |
282 » 0x00bcbcbc,0x008b8b8b,0x00161616,0x00343434, | 500 » » /* Camellia makes 6 Feistel rounds */ |
283 » 0x004d4d4d,0x00c3c3c3,0x00727272,0x00959595, | 501 » » Camellia_Feistel(s0,s1,s2,s3,k+0); |
284 » 0x00ababab,0x008e8e8e,0x00bababa,0x007a7a7a, | 502 » » Camellia_Feistel(s2,s3,s0,s1,k+2); |
285 » 0x00b3b3b3,0x00020202,0x00b4b4b4,0x00adadad, | 503 » » Camellia_Feistel(s0,s1,s2,s3,k+4); |
286 » 0x00a2a2a2,0x00acacac,0x00d8d8d8,0x009a9a9a, | 504 » » Camellia_Feistel(s2,s3,s0,s1,k+6); |
287 » 0x00171717,0x001a1a1a,0x00353535,0x00cccccc, | 505 » » Camellia_Feistel(s0,s1,s2,s3,k+8); |
288 » 0x00f7f7f7,0x00999999,0x00616161,0x005a5a5a, | 506 » » Camellia_Feistel(s2,s3,s0,s1,k+10); |
289 » 0x00e8e8e8,0x00242424,0x00565656,0x00404040, | 507 » » k += 12; |
290 » 0x00e1e1e1,0x00636363,0x00090909,0x00333333, | 508 |
291 » 0x00bfbfbf,0x00989898,0x00979797,0x00858585, | 509 » » if (k == kend) break; |
292 » 0x00686868,0x00fcfcfc,0x00ececec,0x000a0a0a, | 510 |
293 » 0x00dadada,0x006f6f6f,0x00535353,0x00626262, | 511 » » /* This is the same function as the diffusion function D |
294 » 0x00a3a3a3,0x002e2e2e,0x00080808,0x00afafaf, | 512 » » * of the accompanying documentation. See section 3.2 |
295 » 0x00282828,0x00b0b0b0,0x00747474,0x00c2c2c2, | 513 » » * for properties of the FLlayer function. */ |
296 » 0x00bdbdbd,0x00363636,0x00222222,0x00383838, | 514 » » s1 ^= LeftRotate(s0 & k[0], 1); |
297 » 0x00646464,0x001e1e1e,0x00393939,0x002c2c2c, | 515 » » s2 ^= s3 | k[3]; |
298 » 0x00a6a6a6,0x00303030,0x00e5e5e5,0x00444444, | 516 » » s0 ^= s1 | k[1]; |
299 » 0x00fdfdfd,0x00888888,0x009f9f9f,0x00656565, | 517 » » s3 ^= LeftRotate(s2 & k[2], 1); |
300 » 0x00878787,0x006b6b6b,0x00f4f4f4,0x00232323, | 518 » » k += 4; |
301 » 0x00484848,0x00101010,0x00d1d1d1,0x00515151, | 519 » » } |
302 » 0x00c0c0c0,0x00f9f9f9,0x00d2d2d2,0x00a0a0a0, | 520 |
303 » 0x00555555,0x00a1a1a1,0x00414141,0x00fafafa, | 521 » s2 ^= k[0], s3 ^= k[1], s0 ^= k[2], s1 ^= k[3]; |
304 » 0x00434343,0x00131313,0x00c4c4c4,0x002f2f2f, | 522 |
305 » 0x00a8a8a8,0x00b6b6b6,0x003c3c3c,0x002b2b2b, | 523 » PUTU32(ciphertext, s2); |
306 » 0x00c1c1c1,0x00ffffff,0x00c8c8c8,0x00a5a5a5, | 524 » PUTU32(ciphertext+4, s3); |
307 » 0x00202020,0x00898989,0x00000000,0x00909090, | 525 » PUTU32(ciphertext+8, s0); |
308 » 0x00474747,0x00efefef,0x00eaeaea,0x00b7b7b7, | 526 » PUTU32(ciphertext+12,s1); |
309 » 0x00151515,0x00060606,0x00cdcdcd,0x00b5b5b5, | 527 » } |
310 » 0x00121212,0x007e7e7e,0x00bbbbbb,0x00292929, | 528 void Camellia_EncryptBlock(int keyBitLength, const u8 plaintext[], |
311 » 0x000f0f0f,0x00b8b8b8,0x00070707,0x00040404, | 529 » » const KEY_TABLE_TYPE keyTable, u8 ciphertext[]) |
312 » 0x009b9b9b,0x00949494,0x00212121,0x00666666, | |
313 » 0x00e6e6e6,0x00cecece,0x00ededed,0x00e7e7e7, | |
314 » 0x003b3b3b,0x00fefefe,0x007f7f7f,0x00c5c5c5, | |
315 » 0x00a4a4a4,0x00373737,0x00b1b1b1,0x004c4c4c, | |
316 » 0x00919191,0x006e6e6e,0x008d8d8d,0x00767676, | |
317 » 0x00030303,0x002d2d2d,0x00dedede,0x00969696, | |
318 » 0x00262626,0x007d7d7d,0x00c6c6c6,0x005c5c5c, | |
319 » 0x00d3d3d3,0x00f2f2f2,0x004f4f4f,0x00191919, | |
320 » 0x003f3f3f,0x00dcdcdc,0x00797979,0x001d1d1d, | |
321 » 0x00525252,0x00ebebeb,0x00f3f3f3,0x006d6d6d, | |
322 » 0x005e5e5e,0x00fbfbfb,0x00696969,0x00b2b2b2, | |
323 » 0x00f0f0f0,0x00313131,0x000c0c0c,0x00d4d4d4, | |
324 » 0x00cfcfcf,0x008c8c8c,0x00e2e2e2,0x00757575, | |
325 » 0x00a9a9a9,0x004a4a4a,0x00575757,0x00848484, | |
326 » 0x00111111,0x00454545,0x001b1b1b,0x00f5f5f5, | |
327 » 0x00e4e4e4,0x000e0e0e,0x00737373,0x00aaaaaa, | |
328 » 0x00f1f1f1,0x00dddddd,0x00595959,0x00141414, | |
329 » 0x006c6c6c,0x00929292,0x00545454,0x00d0d0d0, | |
330 » 0x00787878,0x00707070,0x00e3e3e3,0x00494949, | |
331 » 0x00808080,0x00505050,0x00a7a7a7,0x00f6f6f6, | |
332 » 0x00777777,0x00939393,0x00868686,0x00838383, | |
333 » 0x002a2a2a,0x00c7c7c7,0x005b5b5b,0x00e9e9e9, | |
334 » 0x00eeeeee,0x008f8f8f,0x00010101,0x003d3d3d, | |
335 » }; | |
336 | |
337 static const u32 camellia_sp3033[256] = | |
338 { | 530 { |
339 » 0x38003838,0x41004141,0x16001616,0x76007676, | 531 » Camellia_EncryptBlock_Rounds(keyBitLength==128?3:4, |
340 » 0xd900d9d9,0x93009393,0x60006060,0xf200f2f2, | 532 » » » plaintext,keyTable,ciphertext); |
341 » 0x72007272,0xc200c2c2,0xab00abab,0x9a009a9a, | 533 » } |
342 » 0x75007575,0x06000606,0x57005757,0xa000a0a0, | 534 |
343 » 0x91009191,0xf700f7f7,0xb500b5b5,0xc900c9c9, | 535 void Camellia_DecryptBlock_Rounds(int grandRounds, const u8 ciphertext[], |
344 » 0xa200a2a2,0x8c008c8c,0xd200d2d2,0x90009090, | 536 » » const KEY_TABLE_TYPE keyTable, u8 plaintext[]) |
345 » 0xf600f6f6,0x07000707,0xa700a7a7,0x27002727, | |
346 » 0x8e008e8e,0xb200b2b2,0x49004949,0xde00dede, | |
347 » 0x43004343,0x5c005c5c,0xd700d7d7,0xc700c7c7, | |
348 » 0x3e003e3e,0xf500f5f5,0x8f008f8f,0x67006767, | |
349 » 0x1f001f1f,0x18001818,0x6e006e6e,0xaf00afaf, | |
350 » 0x2f002f2f,0xe200e2e2,0x85008585,0x0d000d0d, | |
351 » 0x53005353,0xf000f0f0,0x9c009c9c,0x65006565, | |
352 » 0xea00eaea,0xa300a3a3,0xae00aeae,0x9e009e9e, | |
353 » 0xec00ecec,0x80008080,0x2d002d2d,0x6b006b6b, | |
354 » 0xa800a8a8,0x2b002b2b,0x36003636,0xa600a6a6, | |
355 » 0xc500c5c5,0x86008686,0x4d004d4d,0x33003333, | |
356 » 0xfd00fdfd,0x66006666,0x58005858,0x96009696, | |
357 » 0x3a003a3a,0x09000909,0x95009595,0x10001010, | |
358 » 0x78007878,0xd800d8d8,0x42004242,0xcc00cccc, | |
359 » 0xef00efef,0x26002626,0xe500e5e5,0x61006161, | |
360 » 0x1a001a1a,0x3f003f3f,0x3b003b3b,0x82008282, | |
361 » 0xb600b6b6,0xdb00dbdb,0xd400d4d4,0x98009898, | |
362 » 0xe800e8e8,0x8b008b8b,0x02000202,0xeb00ebeb, | |
363 » 0x0a000a0a,0x2c002c2c,0x1d001d1d,0xb000b0b0, | |
364 » 0x6f006f6f,0x8d008d8d,0x88008888,0x0e000e0e, | |
365 » 0x19001919,0x87008787,0x4e004e4e,0x0b000b0b, | |
366 » 0xa900a9a9,0x0c000c0c,0x79007979,0x11001111, | |
367 » 0x7f007f7f,0x22002222,0xe700e7e7,0x59005959, | |
368 » 0xe100e1e1,0xda00dada,0x3d003d3d,0xc800c8c8, | |
369 » 0x12001212,0x04000404,0x74007474,0x54005454, | |
370 » 0x30003030,0x7e007e7e,0xb400b4b4,0x28002828, | |
371 » 0x55005555,0x68006868,0x50005050,0xbe00bebe, | |
372 » 0xd000d0d0,0xc400c4c4,0x31003131,0xcb00cbcb, | |
373 » 0x2a002a2a,0xad00adad,0x0f000f0f,0xca00caca, | |
374 » 0x70007070,0xff00ffff,0x32003232,0x69006969, | |
375 » 0x08000808,0x62006262,0x00000000,0x24002424, | |
376 » 0xd100d1d1,0xfb00fbfb,0xba00baba,0xed00eded, | |
377 » 0x45004545,0x81008181,0x73007373,0x6d006d6d, | |
378 » 0x84008484,0x9f009f9f,0xee00eeee,0x4a004a4a, | |
379 » 0xc300c3c3,0x2e002e2e,0xc100c1c1,0x01000101, | |
380 » 0xe600e6e6,0x25002525,0x48004848,0x99009999, | |
381 » 0xb900b9b9,0xb300b3b3,0x7b007b7b,0xf900f9f9, | |
382 » 0xce00cece,0xbf00bfbf,0xdf00dfdf,0x71007171, | |
383 » 0x29002929,0xcd00cdcd,0x6c006c6c,0x13001313, | |
384 » 0x64006464,0x9b009b9b,0x63006363,0x9d009d9d, | |
385 » 0xc000c0c0,0x4b004b4b,0xb700b7b7,0xa500a5a5, | |
386 » 0x89008989,0x5f005f5f,0xb100b1b1,0x17001717, | |
387 » 0xf400f4f4,0xbc00bcbc,0xd300d3d3,0x46004646, | |
388 » 0xcf00cfcf,0x37003737,0x5e005e5e,0x47004747, | |
389 » 0x94009494,0xfa00fafa,0xfc00fcfc,0x5b005b5b, | |
390 » 0x97009797,0xfe00fefe,0x5a005a5a,0xac00acac, | |
391 » 0x3c003c3c,0x4c004c4c,0x03000303,0x35003535, | |
392 » 0xf300f3f3,0x23002323,0xb800b8b8,0x5d005d5d, | |
393 » 0x6a006a6a,0x92009292,0xd500d5d5,0x21002121, | |
394 » 0x44004444,0x51005151,0xc600c6c6,0x7d007d7d, | |
395 » 0x39003939,0x83008383,0xdc00dcdc,0xaa00aaaa, | |
396 » 0x7c007c7c,0x77007777,0x56005656,0x05000505, | |
397 » 0x1b001b1b,0xa400a4a4,0x15001515,0x34003434, | |
398 » 0x1e001e1e,0x1c001c1c,0xf800f8f8,0x52005252, | |
399 » 0x20002020,0x14001414,0xe900e9e9,0xbd00bdbd, | |
400 » 0xdd00dddd,0xe400e4e4,0xa100a1a1,0xe000e0e0, | |
401 » 0x8a008a8a,0xf100f1f1,0xd600d6d6,0x7a007a7a, | |
402 » 0xbb00bbbb,0xe300e3e3,0x40004040,0x4f004f4f, | |
403 » }; | |
404 | |
405 static const u32 camellia_sp4404[256] = | |
406 { | 537 { |
407 » 0x70700070,0x2c2c002c,0xb3b300b3,0xc0c000c0, | 538 » u32 s0,s1,s2,s3; |
408 » 0xe4e400e4,0x57570057,0xeaea00ea,0xaeae00ae, | 539 » const u32 *k = keyTable+grandRounds*16,*kend = keyTable+4; |
409 » 0x23230023,0x6b6b006b,0x45450045,0xa5a500a5, | 540 |
410 » 0xeded00ed,0x4f4f004f,0x1d1d001d,0x92920092, | 541 » s0 = GETU32(ciphertext) ^ k[0]; |
411 » 0x86860086,0xafaf00af,0x7c7c007c,0x1f1f001f, | 542 » s1 = GETU32(ciphertext+4) ^ k[1]; |
412 » 0x3e3e003e,0xdcdc00dc,0x5e5e005e,0x0b0b000b, | 543 » s2 = GETU32(ciphertext+8) ^ k[2]; |
413 » 0xa6a600a6,0x39390039,0xd5d500d5,0x5d5d005d, | 544 » s3 = GETU32(ciphertext+12) ^ k[3]; |
414 » 0xd9d900d9,0x5a5a005a,0x51510051,0x6c6c006c, | 545 |
415 » 0x8b8b008b,0x9a9a009a,0xfbfb00fb,0xb0b000b0, | 546 » while (1) |
416 » 0x74740074,0x2b2b002b,0xf0f000f0,0x84840084, | 547 » » { |
417 » 0xdfdf00df,0xcbcb00cb,0x34340034,0x76760076, | 548 » » /* Camellia makes 6 Feistel rounds */ |
418 » 0x6d6d006d,0xa9a900a9,0xd1d100d1,0x04040004, | 549 » » k -= 12; |
419 » 0x14140014,0x3a3a003a,0xdede00de,0x11110011, | 550 » » Camellia_Feistel(s0,s1,s2,s3,k+10); |
420 » 0x32320032,0x9c9c009c,0x53530053,0xf2f200f2, | 551 » » Camellia_Feistel(s2,s3,s0,s1,k+8); |
421 » 0xfefe00fe,0xcfcf00cf,0xc3c300c3,0x7a7a007a, | 552 » » Camellia_Feistel(s0,s1,s2,s3,k+6); |
422 » 0x24240024,0xe8e800e8,0x60600060,0x69690069, | 553 » » Camellia_Feistel(s2,s3,s0,s1,k+4); |
423 » 0xaaaa00aa,0xa0a000a0,0xa1a100a1,0x62620062, | 554 » » Camellia_Feistel(s0,s1,s2,s3,k+2); |
424 » 0x54540054,0x1e1e001e,0xe0e000e0,0x64640064, | 555 » » Camellia_Feistel(s2,s3,s0,s1,k+0); |
425 » 0x10100010,0x00000000,0xa3a300a3,0x75750075, | 556 |
426 » 0x8a8a008a,0xe6e600e6,0x09090009,0xdddd00dd, | 557 » » if (k == kend) break; |
427 » 0x87870087,0x83830083,0xcdcd00cd,0x90900090, | 558 |
428 » 0x73730073,0xf6f600f6,0x9d9d009d,0xbfbf00bf, | 559 » » /* This is the same function as the diffusion function D |
429 » 0x52520052,0xd8d800d8,0xc8c800c8,0xc6c600c6, | 560 » » * of the accompanying documentation. See section 3.2 |
430 » 0x81810081,0x6f6f006f,0x13130013,0x63630063, | 561 » » * for properties of the FLlayer function. */ |
431 » 0xe9e900e9,0xa7a700a7,0x9f9f009f,0xbcbc00bc, | 562 » » k -= 4; |
432 » 0x29290029,0xf9f900f9,0x2f2f002f,0xb4b400b4, | 563 » » s1 ^= LeftRotate(s0 & k[2], 1); |
433 » 0x78780078,0x06060006,0xe7e700e7,0x71710071, | 564 » » s2 ^= s3 | k[1]; |
434 » 0xd4d400d4,0xabab00ab,0x88880088,0x8d8d008d, | 565 » » s0 ^= s1 | k[3]; |
435 » 0x72720072,0xb9b900b9,0xf8f800f8,0xacac00ac, | 566 » » s3 ^= LeftRotate(s2 & k[0], 1); |
436 » 0x36360036,0x2a2a002a,0x3c3c003c,0xf1f100f1, | 567 » » } |
437 » 0x40400040,0xd3d300d3,0xbbbb00bb,0x43430043, | 568 |
438 » 0x15150015,0xadad00ad,0x77770077,0x80800080, | 569 » k -= 4; |
439 » 0x82820082,0xecec00ec,0x27270027,0xe5e500e5, | 570 » s2 ^= k[0], s3 ^= k[1], s0 ^= k[2], s1 ^= k[3]; |
440 » 0x85850085,0x35350035,0x0c0c000c,0x41410041, | 571 |
441 » 0xefef00ef,0x93930093,0x19190019,0x21210021, | 572 » PUTU32(plaintext, s2); |
442 » 0x0e0e000e,0x4e4e004e,0x65650065,0xbdbd00bd, | 573 » PUTU32(plaintext+4, s3); |
443 » 0xb8b800b8,0x8f8f008f,0xebeb00eb,0xcece00ce, | 574 » PUTU32(plaintext+8, s0); |
444 » 0x30300030,0x5f5f005f,0xc5c500c5,0x1a1a001a, | 575 » PUTU32(plaintext+12,s1); |
445 » 0xe1e100e1,0xcaca00ca,0x47470047,0x3d3d003d, | 576 » } |
446 » 0x01010001,0xd6d600d6,0x56560056,0x4d4d004d, | 577 void Camellia_DecryptBlock(int keyBitLength, const u8 plaintext[], |
447 » 0x0d0d000d,0x66660066,0xcccc00cc,0x2d2d002d, | 578 » » const KEY_TABLE_TYPE keyTable, u8 ciphertext[]) |
448 » 0x12120012,0x20200020,0xb1b100b1,0x99990099, | |
449 » 0x4c4c004c,0xc2c200c2,0x7e7e007e,0x05050005, | |
450 » 0xb7b700b7,0x31310031,0x17170017,0xd7d700d7, | |
451 » 0x58580058,0x61610061,0x1b1b001b,0x1c1c001c, | |
452 » 0x0f0f000f,0x16160016,0x18180018,0x22220022, | |
453 » 0x44440044,0xb2b200b2,0xb5b500b5,0x91910091, | |
454 » 0x08080008,0xa8a800a8,0xfcfc00fc,0x50500050, | |
455 » 0xd0d000d0,0x7d7d007d,0x89890089,0x97970097, | |
456 » 0x5b5b005b,0x95950095,0xffff00ff,0xd2d200d2, | |
457 » 0xc4c400c4,0x48480048,0xf7f700f7,0xdbdb00db, | |
458 » 0x03030003,0xdada00da,0x3f3f003f,0x94940094, | |
459 » 0x5c5c005c,0x02020002,0x4a4a004a,0x33330033, | |
460 » 0x67670067,0xf3f300f3,0x7f7f007f,0xe2e200e2, | |
461 » 0x9b9b009b,0x26260026,0x37370037,0x3b3b003b, | |
462 » 0x96960096,0x4b4b004b,0xbebe00be,0x2e2e002e, | |
463 » 0x79790079,0x8c8c008c,0x6e6e006e,0x8e8e008e, | |
464 » 0xf5f500f5,0xb6b600b6,0xfdfd00fd,0x59590059, | |
465 » 0x98980098,0x6a6a006a,0x46460046,0xbaba00ba, | |
466 » 0x25250025,0x42420042,0xa2a200a2,0xfafa00fa, | |
467 » 0x07070007,0x55550055,0xeeee00ee,0x0a0a000a, | |
468 » 0x49490049,0x68680068,0x38380038,0xa4a400a4, | |
469 » 0x28280028,0x7b7b007b,0xc9c900c9,0xc1c100c1, | |
470 » 0xe3e300e3,0xf4f400f4,0xc7c700c7,0x9e9e009e, | |
471 » }; | |
472 | |
473 /** | |
474 * Stuff related to the Camellia key schedule | |
475 */ | |
476 #define subl(x) subL[(x)] | |
477 #define subr(x) subR[(x)] | |
478 | |
479 void camellia_setup128(const u8 *key, u32 *subkey) | |
480 { | 579 { |
481 u32 kll, klr, krl, krr; | 580 Camellia_DecryptBlock_Rounds(keyBitLength==128?3:4, |
482 u32 il, ir, t0, t1, w0, w1; | 581 plaintext,keyTable,ciphertext); |
483 u32 kw4l, kw4r, dw, tl, tr; | |
484 u32 subL[26]; | |
485 u32 subR[26]; | |
486 | |
487 /** | |
488 * k == kll || klr || krl || krr (|| is concatination) | |
489 */ | |
490 kll = GETU32(key ); | |
491 klr = GETU32(key + 4); | |
492 krl = GETU32(key + 8); | |
493 krr = GETU32(key + 12); | |
494 /** | |
495 * generate KL dependent subkeys | |
496 */ | |
497 /* kw1 */ | |
498 subl(0) = kll; subr(0) = klr; | |
499 /* kw2 */ | |
500 subl(1) = krl; subr(1) = krr; | |
501 /* rotation left shift 15bit */ | |
502 CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15); | |
503 /* k3 */ | |
504 subl(4) = kll; subr(4) = klr; | |
505 /* k4 */ | |
506 subl(5) = krl; subr(5) = krr; | |
507 /* rotation left shift 15+30bit */ | |
508 CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 30); | |
509 /* k7 */ | |
510 subl(10) = kll; subr(10) = klr; | |
511 /* k8 */ | |
512 subl(11) = krl; subr(11) = krr; | |
513 /* rotation left shift 15+30+15bit */ | |
514 CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15); | |
515 /* k10 */ | |
516 subl(13) = krl; subr(13) = krr; | |
517 /* rotation left shift 15+30+15+17 bit */ | |
518 CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 17); | |
519 /* kl3 */ | |
520 subl(16) = kll; subr(16) = klr; | |
521 /* kl4 */ | |
522 subl(17) = krl; subr(17) = krr; | |
523 /* rotation left shift 15+30+15+17+17 bit */ | |
524 CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 17); | |
525 /* k13 */ | |
526 subl(18) = kll; subr(18) = klr; | |
527 /* k14 */ | |
528 subl(19) = krl; subr(19) = krr; | |
529 /* rotation left shift 15+30+15+17+17+17 bit */ | |
530 CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 17); | |
531 /* k17 */ | |
532 subl(22) = kll; subr(22) = klr; | |
533 /* k18 */ | |
534 subl(23) = krl; subr(23) = krr; | |
535 | |
536 /* generate KA */ | |
537 kll = subl(0); klr = subr(0); | |
538 krl = subl(1); krr = subr(1); | |
539 CAMELLIA_F(kll, klr, | |
540 CAMELLIA_SIGMA1L, CAMELLIA_SIGMA1R, | |
541 w0, w1, il, ir, t0, t1); | |
542 krl ^= w0; krr ^= w1; | |
543 CAMELLIA_F(krl, krr, | |
544 CAMELLIA_SIGMA2L, CAMELLIA_SIGMA2R, | |
545 kll, klr, il, ir, t0, t1); | |
546 /* current status == (kll, klr, w0, w1) */ | |
547 CAMELLIA_F(kll, klr, | |
548 CAMELLIA_SIGMA3L, CAMELLIA_SIGMA3R, | |
549 krl, krr, il, ir, t0, t1); | |
550 krl ^= w0; krr ^= w1; | |
551 CAMELLIA_F(krl, krr, | |
552 CAMELLIA_SIGMA4L, CAMELLIA_SIGMA4R, | |
553 w0, w1, il, ir, t0, t1); | |
554 kll ^= w0; klr ^= w1; | |
555 | |
556 /* generate KA dependent subkeys */ | |
557 /* k1, k2 */ | |
558 subl(2) = kll; subr(2) = klr; | |
559 subl(3) = krl; subr(3) = krr; | |
560 CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15); | |
561 /* k5,k6 */ | |
562 subl(6) = kll; subr(6) = klr; | |
563 subl(7) = krl; subr(7) = krr; | |
564 CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15); | |
565 /* kl1, kl2 */ | |
566 subl(8) = kll; subr(8) = klr; | |
567 subl(9) = krl; subr(9) = krr; | |
568 CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15); | |
569 /* k9 */ | |
570 subl(12) = kll; subr(12) = klr; | |
571 CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15); | |
572 /* k11, k12 */ | |
573 subl(14) = kll; subr(14) = klr; | |
574 subl(15) = krl; subr(15) = krr; | |
575 CAMELLIA_ROLDQo32(kll, klr, krl, krr, w0, w1, 34); | |
576 /* k15, k16 */ | |
577 subl(20) = kll; subr(20) = klr; | |
578 subl(21) = krl; subr(21) = krr; | |
579 CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 17); | |
580 /* kw3, kw4 */ | |
581 subl(24) = kll; subr(24) = klr; | |
582 subl(25) = krl; subr(25) = krr; | |
583 | |
584 | |
585 /* absorb kw2 to other subkeys */ | |
586 /* round 2 */ | |
587 subl(3) ^= subl(1); subr(3) ^= subr(1); | |
588 /* round 4 */ | |
589 subl(5) ^= subl(1); subr(5) ^= subr(1); | |
590 /* round 6 */ | |
591 subl(7) ^= subl(1); subr(7) ^= subr(1); | |
592 subl(1) ^= subr(1) & ~subr(9); | |
593 dw = subl(1) & subl(9), | |
594 subr(1) ^= CAMELLIA_RL1(dw); /* modified for FLinv(kl2) */ | |
595 /* round 8 */ | |
596 subl(11) ^= subl(1); subr(11) ^= subr(1); | |
597 /* round 10 */ | |
598 subl(13) ^= subl(1); subr(13) ^= subr(1); | |
599 /* round 12 */ | |
600 subl(15) ^= subl(1); subr(15) ^= subr(1); | |
601 subl(1) ^= subr(1) & ~subr(17); | |
602 dw = subl(1) & subl(17), | |
603 subr(1) ^= CAMELLIA_RL1(dw); /* modified for FLinv(kl4) */ | |
604 /* round 14 */ | |
605 subl(19) ^= subl(1); subr(19) ^= subr(1); | |
606 /* round 16 */ | |
607 subl(21) ^= subl(1); subr(21) ^= subr(1); | |
608 /* round 18 */ | |
609 subl(23) ^= subl(1); subr(23) ^= subr(1); | |
610 /* kw3 */ | |
611 subl(24) ^= subl(1); subr(24) ^= subr(1); | |
612 | |
613 /* absorb kw4 to other subkeys */ | |
614 kw4l = subl(25); kw4r = subr(25); | |
615 /* round 17 */ | |
616 subl(22) ^= kw4l; subr(22) ^= kw4r; | |
617 /* round 15 */ | |
618 subl(20) ^= kw4l; subr(20) ^= kw4r; | |
619 /* round 13 */ | |
620 subl(18) ^= kw4l; subr(18) ^= kw4r; | |
621 kw4l ^= kw4r & ~subr(16); | |
622 dw = kw4l & subl(16), | |
623 kw4r ^= CAMELLIA_RL1(dw); /* modified for FL(kl3) */ | |
624 /* round 11 */ | |
625 subl(14) ^= kw4l; subr(14) ^= kw4r; | |
626 /* round 9 */ | |
627 subl(12) ^= kw4l; subr(12) ^= kw4r; | |
628 /* round 7 */ | |
629 subl(10) ^= kw4l; subr(10) ^= kw4r; | |
630 kw4l ^= kw4r & ~subr(8); | |
631 dw = kw4l & subl(8), | |
632 kw4r ^= CAMELLIA_RL1(dw); /* modified for FL(kl1) */ | |
633 /* round 5 */ | |
634 subl(6) ^= kw4l; subr(6) ^= kw4r; | |
635 /* round 3 */ | |
636 subl(4) ^= kw4l; subr(4) ^= kw4r; | |
637 /* round 1 */ | |
638 subl(2) ^= kw4l; subr(2) ^= kw4r; | |
639 /* kw1 */ | |
640 subl(0) ^= kw4l; subr(0) ^= kw4r; | |
641 | |
642 | |
643 /* key XOR is end of F-function */ | |
644 CamelliaSubkeyL(0) = subl(0) ^ subl(2);/* kw1 */ | |
645 CamelliaSubkeyR(0) = subr(0) ^ subr(2); | |
646 CamelliaSubkeyL(2) = subl(3); /* round 1 */ | |
647 CamelliaSubkeyR(2) = subr(3); | |
648 CamelliaSubkeyL(3) = subl(2) ^ subl(4); /* round 2 */ | |
649 CamelliaSubkeyR(3) = subr(2) ^ subr(4); | |
650 CamelliaSubkeyL(4) = subl(3) ^ subl(5); /* round 3 */ | |
651 CamelliaSubkeyR(4) = subr(3) ^ subr(5); | |
652 CamelliaSubkeyL(5) = subl(4) ^ subl(6); /* round 4 */ | |
653 CamelliaSubkeyR(5) = subr(4) ^ subr(6); | |
654 CamelliaSubkeyL(6) = subl(5) ^ subl(7); /* round 5 */ | |
655 CamelliaSubkeyR(6) = subr(5) ^ subr(7); | |
656 tl = subl(10) ^ (subr(10) & ~subr(8)); | |
657 dw = tl & subl(8), /* FL(kl1) */ | |
658 tr = subr(10) ^ CAMELLIA_RL1(dw); | |
659 CamelliaSubkeyL(7) = subl(6) ^ tl; /* round 6 */ | |
660 CamelliaSubkeyR(7) = subr(6) ^ tr; | |
661 CamelliaSubkeyL(8) = subl(8); /* FL(kl1) */ | |
662 CamelliaSubkeyR(8) = subr(8); | |
663 CamelliaSubkeyL(9) = subl(9); /* FLinv(kl2) */ | |
664 CamelliaSubkeyR(9) = subr(9); | |
665 tl = subl(7) ^ (subr(7) & ~subr(9)); | |
666 dw = tl & subl(9), /* FLinv(kl2) */ | |
667 tr = subr(7) ^ CAMELLIA_RL1(dw); | |
668 CamelliaSubkeyL(10) = tl ^ subl(11); /* round 7 */ | |
669 CamelliaSubkeyR(10) = tr ^ subr(11); | |
670 CamelliaSubkeyL(11) = subl(10) ^ subl(12); /* round 8 */ | |
671 CamelliaSubkeyR(11) = subr(10) ^ subr(12); | |
672 CamelliaSubkeyL(12) = subl(11) ^ subl(13); /* round 9 */ | |
673 CamelliaSubkeyR(12) = subr(11) ^ subr(13); | |
674 CamelliaSubkeyL(13) = subl(12) ^ subl(14); /* round 10 */ | |
675 CamelliaSubkeyR(13) = subr(12) ^ subr(14); | |
676 CamelliaSubkeyL(14) = subl(13) ^ subl(15); /* round 11 */ | |
677 CamelliaSubkeyR(14) = subr(13) ^ subr(15); | |
678 tl = subl(18) ^ (subr(18) & ~subr(16)); | |
679 dw = tl & subl(16), /* FL(kl3) */ | |
680 tr = subr(18) ^ CAMELLIA_RL1(dw); | |
681 CamelliaSubkeyL(15) = subl(14) ^ tl; /* round 12 */ | |
682 CamelliaSubkeyR(15) = subr(14) ^ tr; | |
683 CamelliaSubkeyL(16) = subl(16); /* FL(kl3) */ | |
684 CamelliaSubkeyR(16) = subr(16); | |
685 CamelliaSubkeyL(17) = subl(17); /* FLinv(kl4) */ | |
686 CamelliaSubkeyR(17) = subr(17); | |
687 tl = subl(15) ^ (subr(15) & ~subr(17)); | |
688 dw = tl & subl(17), /* FLinv(kl4) */ | |
689 tr = subr(15) ^ CAMELLIA_RL1(dw); | |
690 CamelliaSubkeyL(18) = tl ^ subl(19); /* round 13 */ | |
691 CamelliaSubkeyR(18) = tr ^ subr(19); | |
692 CamelliaSubkeyL(19) = subl(18) ^ subl(20); /* round 14 */ | |
693 CamelliaSubkeyR(19) = subr(18) ^ subr(20); | |
694 CamelliaSubkeyL(20) = subl(19) ^ subl(21); /* round 15 */ | |
695 CamelliaSubkeyR(20) = subr(19) ^ subr(21); | |
696 CamelliaSubkeyL(21) = subl(20) ^ subl(22); /* round 16 */ | |
697 CamelliaSubkeyR(21) = subr(20) ^ subr(22); | |
698 CamelliaSubkeyL(22) = subl(21) ^ subl(23); /* round 17 */ | |
699 CamelliaSubkeyR(22) = subr(21) ^ subr(23); | |
700 CamelliaSubkeyL(23) = subl(22); /* round 18 */ | |
701 CamelliaSubkeyR(23) = subr(22); | |
702 CamelliaSubkeyL(24) = subl(24) ^ subl(23); /* kw3 */ | |
703 CamelliaSubkeyR(24) = subr(24) ^ subr(23); | |
704 | |
705 /* apply the inverse of the last half of P-function */ | |
706 dw = CamelliaSubkeyL(2) ^ CamelliaSubkeyR(2), | |
707 dw = CAMELLIA_RL8(dw);/* round 1 */ | |
708 CamelliaSubkeyR(2) = CamelliaSubkeyL(2) ^ dw, | |
709 CamelliaSubkeyL(2) = dw; | |
710 dw = CamelliaSubkeyL(3) ^ CamelliaSubkeyR(3), | |
711 dw = CAMELLIA_RL8(dw);/* round 2 */ | |
712 CamelliaSubkeyR(3) = CamelliaSubkeyL(3) ^ dw, | |
713 CamelliaSubkeyL(3) = dw; | |
714 dw = CamelliaSubkeyL(4) ^ CamelliaSubkeyR(4), | |
715 dw = CAMELLIA_RL8(dw);/* round 3 */ | |
716 CamelliaSubkeyR(4) = CamelliaSubkeyL(4) ^ dw, | |
717 CamelliaSubkeyL(4) = dw; | |
718 dw = CamelliaSubkeyL(5) ^ CamelliaSubkeyR(5), | |
719 dw = CAMELLIA_RL8(dw);/* round 4 */ | |
720 CamelliaSubkeyR(5) = CamelliaSubkeyL(5) ^ dw, | |
721 CamelliaSubkeyL(5) = dw; | |
722 dw = CamelliaSubkeyL(6) ^ CamelliaSubkeyR(6), | |
723 dw = CAMELLIA_RL8(dw);/* round 5 */ | |
724 CamelliaSubkeyR(6) = CamelliaSubkeyL(6) ^ dw, | |
725 CamelliaSubkeyL(6) = dw; | |
726 dw = CamelliaSubkeyL(7) ^ CamelliaSubkeyR(7), | |
727 dw = CAMELLIA_RL8(dw);/* round 6 */ | |
728 CamelliaSubkeyR(7) = CamelliaSubkeyL(7) ^ dw, | |
729 CamelliaSubkeyL(7) = dw; | |
730 dw = CamelliaSubkeyL(10) ^ CamelliaSubkeyR(10), | |
731 dw = CAMELLIA_RL8(dw);/* round 7 */ | |
732 CamelliaSubkeyR(10) = CamelliaSubkeyL(10) ^ dw, | |
733 CamelliaSubkeyL(10) = dw; | |
734 dw = CamelliaSubkeyL(11) ^ CamelliaSubkeyR(11), | |
735 dw = CAMELLIA_RL8(dw);/* round 8 */ | |
736 CamelliaSubkeyR(11) = CamelliaSubkeyL(11) ^ dw, | |
737 CamelliaSubkeyL(11) = dw; | |
738 dw = CamelliaSubkeyL(12) ^ CamelliaSubkeyR(12), | |
739 dw = CAMELLIA_RL8(dw);/* round 9 */ | |
740 CamelliaSubkeyR(12) = CamelliaSubkeyL(12) ^ dw, | |
741 CamelliaSubkeyL(12) = dw; | |
742 dw = CamelliaSubkeyL(13) ^ CamelliaSubkeyR(13), | |
743 dw = CAMELLIA_RL8(dw);/* round 10 */ | |
744 CamelliaSubkeyR(13) = CamelliaSubkeyL(13) ^ dw, | |
745 CamelliaSubkeyL(13) = dw; | |
746 dw = CamelliaSubkeyL(14) ^ CamelliaSubkeyR(14), | |
747 dw = CAMELLIA_RL8(dw);/* round 11 */ | |
748 CamelliaSubkeyR(14) = CamelliaSubkeyL(14) ^ dw, | |
749 CamelliaSubkeyL(14) = dw; | |
750 dw = CamelliaSubkeyL(15) ^ CamelliaSubkeyR(15), | |
751 dw = CAMELLIA_RL8(dw);/* round 12 */ | |
752 CamelliaSubkeyR(15) = CamelliaSubkeyL(15) ^ dw, | |
753 CamelliaSubkeyL(15) = dw; | |
754 dw = CamelliaSubkeyL(18) ^ CamelliaSubkeyR(18), | |
755 dw = CAMELLIA_RL8(dw);/* round 13 */ | |
756 CamelliaSubkeyR(18) = CamelliaSubkeyL(18) ^ dw, | |
757 CamelliaSubkeyL(18) = dw; | |
758 dw = CamelliaSubkeyL(19) ^ CamelliaSubkeyR(19), | |
759 dw = CAMELLIA_RL8(dw);/* round 14 */ | |
760 CamelliaSubkeyR(19) = CamelliaSubkeyL(19) ^ dw, | |
761 CamelliaSubkeyL(19) = dw; | |
762 dw = CamelliaSubkeyL(20) ^ CamelliaSubkeyR(20), | |
763 dw = CAMELLIA_RL8(dw);/* round 15 */ | |
764 CamelliaSubkeyR(20) = CamelliaSubkeyL(20) ^ dw, | |
765 CamelliaSubkeyL(20) = dw; | |
766 dw = CamelliaSubkeyL(21) ^ CamelliaSubkeyR(21), | |
767 dw = CAMELLIA_RL8(dw);/* round 16 */ | |
768 CamelliaSubkeyR(21) = CamelliaSubkeyL(21) ^ dw, | |
769 CamelliaSubkeyL(21) = dw; | |
770 dw = CamelliaSubkeyL(22) ^ CamelliaSubkeyR(22), | |
771 dw = CAMELLIA_RL8(dw);/* round 17 */ | |
772 CamelliaSubkeyR(22) = CamelliaSubkeyL(22) ^ dw, | |
773 CamelliaSubkeyL(22) = dw; | |
774 dw = CamelliaSubkeyL(23) ^ CamelliaSubkeyR(23), | |
775 dw = CAMELLIA_RL8(dw);/* round 18 */ | |
776 CamelliaSubkeyR(23) = CamelliaSubkeyL(23) ^ dw, | |
777 CamelliaSubkeyL(23) = dw; | |
778 | |
779 return; | |
780 } | 582 } |
781 | |
782 void camellia_setup256(const u8 *key, u32 *subkey) | |
783 { | |
784 u32 kll,klr,krl,krr; /* left half of key */ | |
785 u32 krll,krlr,krrl,krrr; /* right half of key */ | |
786 u32 il, ir, t0, t1, w0, w1; /* temporary variables */ | |
787 u32 kw4l, kw4r, dw, tl, tr; | |
788 u32 subL[34]; | |
789 u32 subR[34]; | |
790 | |
791 /** | |
792 * key = (kll || klr || krl || krr || krll || krlr || krrl || krrr) | |
793 * (|| is concatination) | |
794 */ | |
795 | |
796 kll = GETU32(key ); | |
797 klr = GETU32(key + 4); | |
798 krl = GETU32(key + 8); | |
799 krr = GETU32(key + 12); | |
800 krll = GETU32(key + 16); | |
801 krlr = GETU32(key + 20); | |
802 krrl = GETU32(key + 24); | |
803 krrr = GETU32(key + 28); | |
804 | |
805 /* generate KL dependent subkeys */ | |
806 /* kw1 */ | |
807 subl(0) = kll; subr(0) = klr; | |
808 /* kw2 */ | |
809 subl(1) = krl; subr(1) = krr; | |
810 CAMELLIA_ROLDQo32(kll, klr, krl, krr, w0, w1, 45); | |
811 /* k9 */ | |
812 subl(12) = kll; subr(12) = klr; | |
813 /* k10 */ | |
814 subl(13) = krl; subr(13) = krr; | |
815 CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15); | |
816 /* kl3 */ | |
817 subl(16) = kll; subr(16) = klr; | |
818 /* kl4 */ | |
819 subl(17) = krl; subr(17) = krr; | |
820 CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 17); | |
821 /* k17 */ | |
822 subl(22) = kll; subr(22) = klr; | |
823 /* k18 */ | |
824 subl(23) = krl; subr(23) = krr; | |
825 CAMELLIA_ROLDQo32(kll, klr, krl, krr, w0, w1, 34); | |
826 /* k23 */ | |
827 subl(30) = kll; subr(30) = klr; | |
828 /* k24 */ | |
829 subl(31) = krl; subr(31) = krr; | |
830 | |
831 /* generate KR dependent subkeys */ | |
832 CAMELLIA_ROLDQ(krll, krlr, krrl, krrr, w0, w1, 15); | |
833 /* k3 */ | |
834 subl(4) = krll; subr(4) = krlr; | |
835 /* k4 */ | |
836 subl(5) = krrl; subr(5) = krrr; | |
837 CAMELLIA_ROLDQ(krll, krlr, krrl, krrr, w0, w1, 15); | |
838 /* kl1 */ | |
839 subl(8) = krll; subr(8) = krlr; | |
840 /* kl2 */ | |
841 subl(9) = krrl; subr(9) = krrr; | |
842 CAMELLIA_ROLDQ(krll, krlr, krrl, krrr, w0, w1, 30); | |
843 /* k13 */ | |
844 subl(18) = krll; subr(18) = krlr; | |
845 /* k14 */ | |
846 subl(19) = krrl; subr(19) = krrr; | |
847 CAMELLIA_ROLDQo32(krll, krlr, krrl, krrr, w0, w1, 34); | |
848 /* k19 */ | |
849 subl(26) = krll; subr(26) = krlr; | |
850 /* k20 */ | |
851 subl(27) = krrl; subr(27) = krrr; | |
852 CAMELLIA_ROLDQo32(krll, krlr, krrl, krrr, w0, w1, 34); | |
853 | |
854 /* generate KA */ | |
855 kll = subl(0) ^ krll; klr = subr(0) ^ krlr; | |
856 krl = subl(1) ^ krrl; krr = subr(1) ^ krrr; | |
857 CAMELLIA_F(kll, klr, | |
858 CAMELLIA_SIGMA1L, CAMELLIA_SIGMA1R, | |
859 w0, w1, il, ir, t0, t1); | |
860 krl ^= w0; krr ^= w1; | |
861 CAMELLIA_F(krl, krr, | |
862 CAMELLIA_SIGMA2L, CAMELLIA_SIGMA2R, | |
863 kll, klr, il, ir, t0, t1); | |
864 kll ^= krll; klr ^= krlr; | |
865 CAMELLIA_F(kll, klr, | |
866 CAMELLIA_SIGMA3L, CAMELLIA_SIGMA3R, | |
867 krl, krr, il, ir, t0, t1); | |
868 krl ^= w0 ^ krrl; krr ^= w1 ^ krrr; | |
869 CAMELLIA_F(krl, krr, | |
870 CAMELLIA_SIGMA4L, CAMELLIA_SIGMA4R, | |
871 w0, w1, il, ir, t0, t1); | |
872 kll ^= w0; klr ^= w1; | |
873 | |
874 /* generate KB */ | |
875 krll ^= kll; krlr ^= klr; | |
876 krrl ^= krl; krrr ^= krr; | |
877 CAMELLIA_F(krll, krlr, | |
878 CAMELLIA_SIGMA5L, CAMELLIA_SIGMA5R, | |
879 w0, w1, il, ir, t0, t1); | |
880 krrl ^= w0; krrr ^= w1; | |
881 CAMELLIA_F(krrl, krrr, | |
882 CAMELLIA_SIGMA6L, CAMELLIA_SIGMA6R, | |
883 w0, w1, il, ir, t0, t1); | |
884 krll ^= w0; krlr ^= w1; | |
885 | |
886 /* generate KA dependent subkeys */ | |
887 CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15); | |
888 /* k5 */ | |
889 subl(6) = kll; subr(6) = klr; | |
890 /* k6 */ | |
891 subl(7) = krl; subr(7) = krr; | |
892 CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 30); | |
893 /* k11 */ | |
894 subl(14) = kll; subr(14) = klr; | |
895 /* k12 */ | |
896 subl(15) = krl; subr(15) = krr; | |
897 /* rotation left shift 32bit */ | |
898 /* kl5 */ | |
899 subl(24) = klr; subr(24) = krl; | |
900 /* kl6 */ | |
901 subl(25) = krr; subr(25) = kll; | |
902 /* rotation left shift 49 from k11,k12 -> k21,k22 */ | |
903 CAMELLIA_ROLDQo32(kll, klr, krl, krr, w0, w1, 49); | |
904 /* k21 */ | |
905 subl(28) = kll; subr(28) = klr; | |
906 /* k22 */ | |
907 subl(29) = krl; subr(29) = krr; | |
908 | |
909 /* generate KB dependent subkeys */ | |
910 /* k1 */ | |
911 subl(2) = krll; subr(2) = krlr; | |
912 /* k2 */ | |
913 subl(3) = krrl; subr(3) = krrr; | |
914 CAMELLIA_ROLDQ(krll, krlr, krrl, krrr, w0, w1, 30); | |
915 /* k7 */ | |
916 subl(10) = krll; subr(10) = krlr; | |
917 /* k8 */ | |
918 subl(11) = krrl; subr(11) = krrr; | |
919 CAMELLIA_ROLDQ(krll, krlr, krrl, krrr, w0, w1, 30); | |
920 /* k15 */ | |
921 subl(20) = krll; subr(20) = krlr; | |
922 /* k16 */ | |
923 subl(21) = krrl; subr(21) = krrr; | |
924 CAMELLIA_ROLDQo32(krll, krlr, krrl, krrr, w0, w1, 51); | |
925 /* kw3 */ | |
926 subl(32) = krll; subr(32) = krlr; | |
927 /* kw4 */ | |
928 subl(33) = krrl; subr(33) = krrr; | |
929 | |
930 /* absorb kw2 to other subkeys */ | |
931 /* round 2 */ | |
932 subl(3) ^= subl(1); subr(3) ^= subr(1); | |
933 /* round 4 */ | |
934 subl(5) ^= subl(1); subr(5) ^= subr(1); | |
935 /* round 6 */ | |
936 subl(7) ^= subl(1); subr(7) ^= subr(1); | |
937 subl(1) ^= subr(1) & ~subr(9); | |
938 dw = subl(1) & subl(9), | |
939 subr(1) ^= CAMELLIA_RL1(dw); /* modified for FLinv(kl2) */ | |
940 /* round 8 */ | |
941 subl(11) ^= subl(1); subr(11) ^= subr(1); | |
942 /* round 10 */ | |
943 subl(13) ^= subl(1); subr(13) ^= subr(1); | |
944 /* round 12 */ | |
945 subl(15) ^= subl(1); subr(15) ^= subr(1); | |
946 subl(1) ^= subr(1) & ~subr(17); | |
947 dw = subl(1) & subl(17), | |
948 subr(1) ^= CAMELLIA_RL1(dw); /* modified for FLinv(kl4) */ | |
949 /* round 14 */ | |
950 subl(19) ^= subl(1); subr(19) ^= subr(1); | |
951 /* round 16 */ | |
952 subl(21) ^= subl(1); subr(21) ^= subr(1); | |
953 /* round 18 */ | |
954 subl(23) ^= subl(1); subr(23) ^= subr(1); | |
955 subl(1) ^= subr(1) & ~subr(25); | |
956 dw = subl(1) & subl(25), | |
957 subr(1) ^= CAMELLIA_RL1(dw); /* modified for FLinv(kl6) */ | |
958 /* round 20 */ | |
959 subl(27) ^= subl(1); subr(27) ^= subr(1); | |
960 /* round 22 */ | |
961 subl(29) ^= subl(1); subr(29) ^= subr(1); | |
962 /* round 24 */ | |
963 subl(31) ^= subl(1); subr(31) ^= subr(1); | |
964 /* kw3 */ | |
965 subl(32) ^= subl(1); subr(32) ^= subr(1); | |
966 | |
967 | |
968 /* absorb kw4 to other subkeys */ | |
969 kw4l = subl(33); kw4r = subr(33); | |
970 /* round 23 */ | |
971 subl(30) ^= kw4l; subr(30) ^= kw4r; | |
972 /* round 21 */ | |
973 subl(28) ^= kw4l; subr(28) ^= kw4r; | |
974 /* round 19 */ | |
975 subl(26) ^= kw4l; subr(26) ^= kw4r; | |
976 kw4l ^= kw4r & ~subr(24); | |
977 dw = kw4l & subl(24), | |
978 kw4r ^= CAMELLIA_RL1(dw); /* modified for FL(kl5) */ | |
979 /* round 17 */ | |
980 subl(22) ^= kw4l; subr(22) ^= kw4r; | |
981 /* round 15 */ | |
982 subl(20) ^= kw4l; subr(20) ^= kw4r; | |
983 /* round 13 */ | |
984 subl(18) ^= kw4l; subr(18) ^= kw4r; | |
985 kw4l ^= kw4r & ~subr(16); | |
986 dw = kw4l & subl(16), | |
987 kw4r ^= CAMELLIA_RL1(dw); /* modified for FL(kl3) */ | |
988 /* round 11 */ | |
989 subl(14) ^= kw4l; subr(14) ^= kw4r; | |
990 /* round 9 */ | |
991 subl(12) ^= kw4l; subr(12) ^= kw4r; | |
992 /* round 7 */ | |
993 subl(10) ^= kw4l; subr(10) ^= kw4r; | |
994 kw4l ^= kw4r & ~subr(8); | |
995 dw = kw4l & subl(8), | |
996 kw4r ^= CAMELLIA_RL1(dw); /* modified for FL(kl1) */ | |
997 /* round 5 */ | |
998 subl(6) ^= kw4l; subr(6) ^= kw4r; | |
999 /* round 3 */ | |
1000 subl(4) ^= kw4l; subr(4) ^= kw4r; | |
1001 /* round 1 */ | |
1002 subl(2) ^= kw4l; subr(2) ^= kw4r; | |
1003 /* kw1 */ | |
1004 subl(0) ^= kw4l; subr(0) ^= kw4r; | |
1005 | |
1006 /* key XOR is end of F-function */ | |
1007 CamelliaSubkeyL(0) = subl(0) ^ subl(2);/* kw1 */ | |
1008 CamelliaSubkeyR(0) = subr(0) ^ subr(2); | |
1009 CamelliaSubkeyL(2) = subl(3); /* round 1 */ | |
1010 CamelliaSubkeyR(2) = subr(3); | |
1011 CamelliaSubkeyL(3) = subl(2) ^ subl(4); /* round 2 */ | |
1012 CamelliaSubkeyR(3) = subr(2) ^ subr(4); | |
1013 CamelliaSubkeyL(4) = subl(3) ^ subl(5); /* round 3 */ | |
1014 CamelliaSubkeyR(4) = subr(3) ^ subr(5); | |
1015 CamelliaSubkeyL(5) = subl(4) ^ subl(6); /* round 4 */ | |
1016 CamelliaSubkeyR(5) = subr(4) ^ subr(6); | |
1017 CamelliaSubkeyL(6) = subl(5) ^ subl(7); /* round 5 */ | |
1018 CamelliaSubkeyR(6) = subr(5) ^ subr(7); | |
1019 tl = subl(10) ^ (subr(10) & ~subr(8)); | |
1020 dw = tl & subl(8), /* FL(kl1) */ | |
1021 tr = subr(10) ^ CAMELLIA_RL1(dw); | |
1022 CamelliaSubkeyL(7) = subl(6) ^ tl; /* round 6 */ | |
1023 CamelliaSubkeyR(7) = subr(6) ^ tr; | |
1024 CamelliaSubkeyL(8) = subl(8); /* FL(kl1) */ | |
1025 CamelliaSubkeyR(8) = subr(8); | |
1026 CamelliaSubkeyL(9) = subl(9); /* FLinv(kl2) */ | |
1027 CamelliaSubkeyR(9) = subr(9); | |
1028 tl = subl(7) ^ (subr(7) & ~subr(9)); | |
1029 dw = tl & subl(9), /* FLinv(kl2) */ | |
1030 tr = subr(7) ^ CAMELLIA_RL1(dw); | |
1031 CamelliaSubkeyL(10) = tl ^ subl(11); /* round 7 */ | |
1032 CamelliaSubkeyR(10) = tr ^ subr(11); | |
1033 CamelliaSubkeyL(11) = subl(10) ^ subl(12); /* round 8 */ | |
1034 CamelliaSubkeyR(11) = subr(10) ^ subr(12); | |
1035 CamelliaSubkeyL(12) = subl(11) ^ subl(13); /* round 9 */ | |
1036 CamelliaSubkeyR(12) = subr(11) ^ subr(13); | |
1037 CamelliaSubkeyL(13) = subl(12) ^ subl(14); /* round 10 */ | |
1038 CamelliaSubkeyR(13) = subr(12) ^ subr(14); | |
1039 CamelliaSubkeyL(14) = subl(13) ^ subl(15); /* round 11 */ | |
1040 CamelliaSubkeyR(14) = subr(13) ^ subr(15); | |
1041 tl = subl(18) ^ (subr(18) & ~subr(16)); | |
1042 dw = tl & subl(16), /* FL(kl3) */ | |
1043 tr = subr(18) ^ CAMELLIA_RL1(dw); | |
1044 CamelliaSubkeyL(15) = subl(14) ^ tl; /* round 12 */ | |
1045 CamelliaSubkeyR(15) = subr(14) ^ tr; | |
1046 CamelliaSubkeyL(16) = subl(16); /* FL(kl3) */ | |
1047 CamelliaSubkeyR(16) = subr(16); | |
1048 CamelliaSubkeyL(17) = subl(17); /* FLinv(kl4) */ | |
1049 CamelliaSubkeyR(17) = subr(17); | |
1050 tl = subl(15) ^ (subr(15) & ~subr(17)); | |
1051 dw = tl & subl(17), /* FLinv(kl4) */ | |
1052 tr = subr(15) ^ CAMELLIA_RL1(dw); | |
1053 CamelliaSubkeyL(18) = tl ^ subl(19); /* round 13 */ | |
1054 CamelliaSubkeyR(18) = tr ^ subr(19); | |
1055 CamelliaSubkeyL(19) = subl(18) ^ subl(20); /* round 14 */ | |
1056 CamelliaSubkeyR(19) = subr(18) ^ subr(20); | |
1057 CamelliaSubkeyL(20) = subl(19) ^ subl(21); /* round 15 */ | |
1058 CamelliaSubkeyR(20) = subr(19) ^ subr(21); | |
1059 CamelliaSubkeyL(21) = subl(20) ^ subl(22); /* round 16 */ | |
1060 CamelliaSubkeyR(21) = subr(20) ^ subr(22); | |
1061 CamelliaSubkeyL(22) = subl(21) ^ subl(23); /* round 17 */ | |
1062 CamelliaSubkeyR(22) = subr(21) ^ subr(23); | |
1063 tl = subl(26) ^ (subr(26) | |
1064 & ~subr(24)); | |
1065 dw = tl & subl(24), /* FL(kl5) */ | |
1066 tr = subr(26) ^ CAMELLIA_RL1(dw); | |
1067 CamelliaSubkeyL(23) = subl(22) ^ tl; /* round 18 */ | |
1068 CamelliaSubkeyR(23) = subr(22) ^ tr; | |
1069 CamelliaSubkeyL(24) = subl(24); /* FL(kl5) */ | |
1070 CamelliaSubkeyR(24) = subr(24); | |
1071 CamelliaSubkeyL(25) = subl(25); /* FLinv(kl6) */ | |
1072 CamelliaSubkeyR(25) = subr(25); | |
1073 tl = subl(23) ^ (subr(23) & | |
1074 ~subr(25)); | |
1075 dw = tl & subl(25), /* FLinv(kl6) */ | |
1076 tr = subr(23) ^ CAMELLIA_RL1(dw); | |
1077 CamelliaSubkeyL(26) = tl ^ subl(27); /* round 19 */ | |
1078 CamelliaSubkeyR(26) = tr ^ subr(27); | |
1079 CamelliaSubkeyL(27) = subl(26) ^ subl(28); /* round 20 */ | |
1080 CamelliaSubkeyR(27) = subr(26) ^ subr(28); | |
1081 CamelliaSubkeyL(28) = subl(27) ^ subl(29); /* round 21 */ | |
1082 CamelliaSubkeyR(28) = subr(27) ^ subr(29); | |
1083 CamelliaSubkeyL(29) = subl(28) ^ subl(30); /* round 22 */ | |
1084 CamelliaSubkeyR(29) = subr(28) ^ subr(30); | |
1085 CamelliaSubkeyL(30) = subl(29) ^ subl(31); /* round 23 */ | |
1086 CamelliaSubkeyR(30) = subr(29) ^ subr(31); | |
1087 CamelliaSubkeyL(31) = subl(30); /* round 24 */ | |
1088 CamelliaSubkeyR(31) = subr(30); | |
1089 CamelliaSubkeyL(32) = subl(32) ^ subl(31); /* kw3 */ | |
1090 CamelliaSubkeyR(32) = subr(32) ^ subr(31); | |
1091 | |
1092 /* apply the inverse of the last half of P-function */ | |
1093 dw = CamelliaSubkeyL(2) ^ CamelliaSubkeyR(2), | |
1094 dw = CAMELLIA_RL8(dw);/* round 1 */ | |
1095 CamelliaSubkeyR(2) = CamelliaSubkeyL(2) ^ dw, | |
1096 CamelliaSubkeyL(2) = dw; | |
1097 dw = CamelliaSubkeyL(3) ^ CamelliaSubkeyR(3), | |
1098 dw = CAMELLIA_RL8(dw);/* round 2 */ | |
1099 CamelliaSubkeyR(3) = CamelliaSubkeyL(3) ^ dw, | |
1100 CamelliaSubkeyL(3) = dw; | |
1101 dw = CamelliaSubkeyL(4) ^ CamelliaSubkeyR(4), | |
1102 dw = CAMELLIA_RL8(dw);/* round 3 */ | |
1103 CamelliaSubkeyR(4) = CamelliaSubkeyL(4) ^ dw, | |
1104 CamelliaSubkeyL(4) = dw; | |
1105 dw = CamelliaSubkeyL(5) ^ CamelliaSubkeyR(5), | |
1106 dw = CAMELLIA_RL8(dw);/* round 4 */ | |
1107 CamelliaSubkeyR(5) = CamelliaSubkeyL(5) ^ dw, | |
1108 CamelliaSubkeyL(5) = dw; | |
1109 dw = CamelliaSubkeyL(6) ^ CamelliaSubkeyR(6), | |
1110 dw = CAMELLIA_RL8(dw);/* round 5 */ | |
1111 CamelliaSubkeyR(6) = CamelliaSubkeyL(6) ^ dw, | |
1112 CamelliaSubkeyL(6) = dw; | |
1113 dw = CamelliaSubkeyL(7) ^ CamelliaSubkeyR(7), | |
1114 dw = CAMELLIA_RL8(dw);/* round 6 */ | |
1115 CamelliaSubkeyR(7) = CamelliaSubkeyL(7) ^ dw, | |
1116 CamelliaSubkeyL(7) = dw; | |
1117 dw = CamelliaSubkeyL(10) ^ CamelliaSubkeyR(10), | |
1118 dw = CAMELLIA_RL8(dw);/* round 7 */ | |
1119 CamelliaSubkeyR(10) = CamelliaSubkeyL(10) ^ dw, | |
1120 CamelliaSubkeyL(10) = dw; | |
1121 dw = CamelliaSubkeyL(11) ^ CamelliaSubkeyR(11), | |
1122 dw = CAMELLIA_RL8(dw);/* round 8 */ | |
1123 CamelliaSubkeyR(11) = CamelliaSubkeyL(11) ^ dw, | |
1124 CamelliaSubkeyL(11) = dw; | |
1125 dw = CamelliaSubkeyL(12) ^ CamelliaSubkeyR(12), | |
1126 dw = CAMELLIA_RL8(dw);/* round 9 */ | |
1127 CamelliaSubkeyR(12) = CamelliaSubkeyL(12) ^ dw, | |
1128 CamelliaSubkeyL(12) = dw; | |
1129 dw = CamelliaSubkeyL(13) ^ CamelliaSubkeyR(13), | |
1130 dw = CAMELLIA_RL8(dw);/* round 10 */ | |
1131 CamelliaSubkeyR(13) = CamelliaSubkeyL(13) ^ dw, | |
1132 CamelliaSubkeyL(13) = dw; | |
1133 dw = CamelliaSubkeyL(14) ^ CamelliaSubkeyR(14), | |
1134 dw = CAMELLIA_RL8(dw);/* round 11 */ | |
1135 CamelliaSubkeyR(14) = CamelliaSubkeyL(14) ^ dw, | |
1136 CamelliaSubkeyL(14) = dw; | |
1137 dw = CamelliaSubkeyL(15) ^ CamelliaSubkeyR(15), | |
1138 dw = CAMELLIA_RL8(dw);/* round 12 */ | |
1139 CamelliaSubkeyR(15) = CamelliaSubkeyL(15) ^ dw, | |
1140 CamelliaSubkeyL(15) = dw; | |
1141 dw = CamelliaSubkeyL(18) ^ CamelliaSubkeyR(18), | |
1142 dw = CAMELLIA_RL8(dw);/* round 13 */ | |
1143 CamelliaSubkeyR(18) = CamelliaSubkeyL(18) ^ dw, | |
1144 CamelliaSubkeyL(18) = dw; | |
1145 dw = CamelliaSubkeyL(19) ^ CamelliaSubkeyR(19), | |
1146 dw = CAMELLIA_RL8(dw);/* round 14 */ | |
1147 CamelliaSubkeyR(19) = CamelliaSubkeyL(19) ^ dw, | |
1148 CamelliaSubkeyL(19) = dw; | |
1149 dw = CamelliaSubkeyL(20) ^ CamelliaSubkeyR(20), | |
1150 dw = CAMELLIA_RL8(dw);/* round 15 */ | |
1151 CamelliaSubkeyR(20) = CamelliaSubkeyL(20) ^ dw, | |
1152 CamelliaSubkeyL(20) = dw; | |
1153 dw = CamelliaSubkeyL(21) ^ CamelliaSubkeyR(21), | |
1154 dw = CAMELLIA_RL8(dw);/* round 16 */ | |
1155 CamelliaSubkeyR(21) = CamelliaSubkeyL(21) ^ dw, | |
1156 CamelliaSubkeyL(21) = dw; | |
1157 dw = CamelliaSubkeyL(22) ^ CamelliaSubkeyR(22), | |
1158 dw = CAMELLIA_RL8(dw);/* round 17 */ | |
1159 CamelliaSubkeyR(22) = CamelliaSubkeyL(22) ^ dw, | |
1160 CamelliaSubkeyL(22) = dw; | |
1161 dw = CamelliaSubkeyL(23) ^ CamelliaSubkeyR(23), | |
1162 dw = CAMELLIA_RL8(dw);/* round 18 */ | |
1163 CamelliaSubkeyR(23) = CamelliaSubkeyL(23) ^ dw, | |
1164 CamelliaSubkeyL(23) = dw; | |
1165 dw = CamelliaSubkeyL(26) ^ CamelliaSubkeyR(26), | |
1166 dw = CAMELLIA_RL8(dw);/* round 19 */ | |
1167 CamelliaSubkeyR(26) = CamelliaSubkeyL(26) ^ dw, | |
1168 CamelliaSubkeyL(26) = dw; | |
1169 dw = CamelliaSubkeyL(27) ^ CamelliaSubkeyR(27), | |
1170 dw = CAMELLIA_RL8(dw);/* round 20 */ | |
1171 CamelliaSubkeyR(27) = CamelliaSubkeyL(27) ^ dw, | |
1172 CamelliaSubkeyL(27) = dw; | |
1173 dw = CamelliaSubkeyL(28) ^ CamelliaSubkeyR(28), | |
1174 dw = CAMELLIA_RL8(dw);/* round 21 */ | |
1175 CamelliaSubkeyR(28) = CamelliaSubkeyL(28) ^ dw, | |
1176 CamelliaSubkeyL(28) = dw; | |
1177 dw = CamelliaSubkeyL(29) ^ CamelliaSubkeyR(29), | |
1178 dw = CAMELLIA_RL8(dw);/* round 22 */ | |
1179 CamelliaSubkeyR(29) = CamelliaSubkeyL(29) ^ dw, | |
1180 CamelliaSubkeyL(29) = dw; | |
1181 dw = CamelliaSubkeyL(30) ^ CamelliaSubkeyR(30), | |
1182 dw = CAMELLIA_RL8(dw);/* round 23 */ | |
1183 CamelliaSubkeyR(30) = CamelliaSubkeyL(30) ^ dw, | |
1184 CamelliaSubkeyL(30) = dw; | |
1185 dw = CamelliaSubkeyL(31) ^ CamelliaSubkeyR(31), | |
1186 dw = CAMELLIA_RL8(dw);/* round 24 */ | |
1187 CamelliaSubkeyR(31) = CamelliaSubkeyL(31) ^ dw, | |
1188 CamelliaSubkeyL(31) = dw; | |
1189 | |
1190 | |
1191 return; | |
1192 } | |
1193 | |
1194 void camellia_setup192(const u8 *key, u32 *subkey) | |
1195 { | |
1196 u8 kk[32]; | |
1197 u32 krll, krlr, krrl,krrr; | |
1198 | |
1199 memcpy(kk, key, 24); | |
1200 memcpy((u8 *)&krll, key+16,4); | |
1201 memcpy((u8 *)&krlr, key+20,4); | |
1202 krrl = ~krll; | |
1203 krrr = ~krlr; | |
1204 memcpy(kk+24, (u8 *)&krrl, 4); | |
1205 memcpy(kk+28, (u8 *)&krrr, 4); | |
1206 camellia_setup256(kk, subkey); | |
1207 return; | |
1208 } | |
1209 | |
1210 | |
1211 /** | |
1212 * Stuff related to camellia encryption/decryption | |
1213 */ | |
1214 void camellia_encrypt128(const u32 *subkey, u32 *io) | |
1215 { | |
1216 u32 il, ir, t0, t1; | |
1217 | |
1218 /* pre whitening but absorb kw2*/ | |
1219 io[0] ^= CamelliaSubkeyL(0); | |
1220 io[1] ^= CamelliaSubkeyR(0); | |
1221 /* main iteration */ | |
1222 | |
1223 CAMELLIA_ROUNDSM(io[0],io[1], | |
1224 CamelliaSubkeyL(2),CamelliaSubkeyR(2), | |
1225 io[2],io[3],il,ir,t0,t1); | |
1226 CAMELLIA_ROUNDSM(io[2],io[3], | |
1227 CamelliaSubkeyL(3),CamelliaSubkeyR(3), | |
1228 io[0],io[1],il,ir,t0,t1); | |
1229 CAMELLIA_ROUNDSM(io[0],io[1], | |
1230 CamelliaSubkeyL(4),CamelliaSubkeyR(4), | |
1231 io[2],io[3],il,ir,t0,t1); | |
1232 CAMELLIA_ROUNDSM(io[2],io[3], | |
1233 CamelliaSubkeyL(5),CamelliaSubkeyR(5), | |
1234 io[0],io[1],il,ir,t0,t1); | |
1235 CAMELLIA_ROUNDSM(io[0],io[1], | |
1236 CamelliaSubkeyL(6),CamelliaSubkeyR(6), | |
1237 io[2],io[3],il,ir,t0,t1); | |
1238 CAMELLIA_ROUNDSM(io[2],io[3], | |
1239 CamelliaSubkeyL(7),CamelliaSubkeyR(7), | |
1240 io[0],io[1],il,ir,t0,t1); | |
1241 | |
1242 CAMELLIA_FLS(io[0],io[1],io[2],io[3], | |
1243 CamelliaSubkeyL(8),CamelliaSubkeyR(8), | |
1244 CamelliaSubkeyL(9),CamelliaSubkeyR(9), | |
1245 t0,t1,il,ir); | |
1246 | |
1247 CAMELLIA_ROUNDSM(io[0],io[1], | |
1248 CamelliaSubkeyL(10),CamelliaSubkeyR(10), | |
1249 io[2],io[3],il,ir,t0,t1); | |
1250 CAMELLIA_ROUNDSM(io[2],io[3], | |
1251 CamelliaSubkeyL(11),CamelliaSubkeyR(11), | |
1252 io[0],io[1],il,ir,t0,t1); | |
1253 CAMELLIA_ROUNDSM(io[0],io[1], | |
1254 CamelliaSubkeyL(12),CamelliaSubkeyR(12), | |
1255 io[2],io[3],il,ir,t0,t1); | |
1256 CAMELLIA_ROUNDSM(io[2],io[3], | |
1257 CamelliaSubkeyL(13),CamelliaSubkeyR(13), | |
1258 io[0],io[1],il,ir,t0,t1); | |
1259 CAMELLIA_ROUNDSM(io[0],io[1], | |
1260 CamelliaSubkeyL(14),CamelliaSubkeyR(14), | |
1261 io[2],io[3],il,ir,t0,t1); | |
1262 CAMELLIA_ROUNDSM(io[2],io[3], | |
1263 CamelliaSubkeyL(15),CamelliaSubkeyR(15), | |
1264 io[0],io[1],il,ir,t0,t1); | |
1265 | |
1266 CAMELLIA_FLS(io[0],io[1],io[2],io[3], | |
1267 CamelliaSubkeyL(16),CamelliaSubkeyR(16), | |
1268 CamelliaSubkeyL(17),CamelliaSubkeyR(17), | |
1269 t0,t1,il,ir); | |
1270 | |
1271 CAMELLIA_ROUNDSM(io[0],io[1], | |
1272 CamelliaSubkeyL(18),CamelliaSubkeyR(18), | |
1273 io[2],io[3],il,ir,t0,t1); | |
1274 CAMELLIA_ROUNDSM(io[2],io[3], | |
1275 CamelliaSubkeyL(19),CamelliaSubkeyR(19), | |
1276 io[0],io[1],il,ir,t0,t1); | |
1277 CAMELLIA_ROUNDSM(io[0],io[1], | |
1278 CamelliaSubkeyL(20),CamelliaSubkeyR(20), | |
1279 io[2],io[3],il,ir,t0,t1); | |
1280 CAMELLIA_ROUNDSM(io[2],io[3], | |
1281 CamelliaSubkeyL(21),CamelliaSubkeyR(21), | |
1282 io[0],io[1],il,ir,t0,t1); | |
1283 CAMELLIA_ROUNDSM(io[0],io[1], | |
1284 CamelliaSubkeyL(22),CamelliaSubkeyR(22), | |
1285 io[2],io[3],il,ir,t0,t1); | |
1286 CAMELLIA_ROUNDSM(io[2],io[3], | |
1287 CamelliaSubkeyL(23),CamelliaSubkeyR(23), | |
1288 io[0],io[1],il,ir,t0,t1); | |
1289 | |
1290 /* post whitening but kw4 */ | |
1291 io[2] ^= CamelliaSubkeyL(24); | |
1292 io[3] ^= CamelliaSubkeyR(24); | |
1293 | |
1294 t0 = io[0]; | |
1295 t1 = io[1]; | |
1296 io[0] = io[2]; | |
1297 io[1] = io[3]; | |
1298 io[2] = t0; | |
1299 io[3] = t1; | |
1300 | |
1301 return; | |
1302 } | |
1303 | |
1304 void camellia_decrypt128(const u32 *subkey, u32 *io) | |
1305 { | |
1306 u32 il,ir,t0,t1; /* temporary valiables */ | |
1307 | |
1308 /* pre whitening but absorb kw2*/ | |
1309 io[0] ^= CamelliaSubkeyL(24); | |
1310 io[1] ^= CamelliaSubkeyR(24); | |
1311 | |
1312 /* main iteration */ | |
1313 CAMELLIA_ROUNDSM(io[0],io[1], | |
1314 CamelliaSubkeyL(23),CamelliaSubkeyR(23), | |
1315 io[2],io[3],il,ir,t0,t1); | |
1316 CAMELLIA_ROUNDSM(io[2],io[3], | |
1317 CamelliaSubkeyL(22),CamelliaSubkeyR(22), | |
1318 io[0],io[1],il,ir,t0,t1); | |
1319 CAMELLIA_ROUNDSM(io[0],io[1], | |
1320 CamelliaSubkeyL(21),CamelliaSubkeyR(21), | |
1321 io[2],io[3],il,ir,t0,t1); | |
1322 CAMELLIA_ROUNDSM(io[2],io[3], | |
1323 CamelliaSubkeyL(20),CamelliaSubkeyR(20), | |
1324 io[0],io[1],il,ir,t0,t1); | |
1325 CAMELLIA_ROUNDSM(io[0],io[1], | |
1326 CamelliaSubkeyL(19),CamelliaSubkeyR(19), | |
1327 io[2],io[3],il,ir,t0,t1); | |
1328 CAMELLIA_ROUNDSM(io[2],io[3], | |
1329 CamelliaSubkeyL(18),CamelliaSubkeyR(18), | |
1330 io[0],io[1],il,ir,t0,t1); | |
1331 | |
1332 CAMELLIA_FLS(io[0],io[1],io[2],io[3], | |
1333 CamelliaSubkeyL(17),CamelliaSubkeyR(17), | |
1334 CamelliaSubkeyL(16),CamelliaSubkeyR(16), | |
1335 t0,t1,il,ir); | |
1336 | |
1337 CAMELLIA_ROUNDSM(io[0],io[1], | |
1338 CamelliaSubkeyL(15),CamelliaSubkeyR(15), | |
1339 io[2],io[3],il,ir,t0,t1); | |
1340 CAMELLIA_ROUNDSM(io[2],io[3], | |
1341 CamelliaSubkeyL(14),CamelliaSubkeyR(14), | |
1342 io[0],io[1],il,ir,t0,t1); | |
1343 CAMELLIA_ROUNDSM(io[0],io[1], | |
1344 CamelliaSubkeyL(13),CamelliaSubkeyR(13), | |
1345 io[2],io[3],il,ir,t0,t1); | |
1346 CAMELLIA_ROUNDSM(io[2],io[3], | |
1347 CamelliaSubkeyL(12),CamelliaSubkeyR(12), | |
1348 io[0],io[1],il,ir,t0,t1); | |
1349 CAMELLIA_ROUNDSM(io[0],io[1], | |
1350 CamelliaSubkeyL(11),CamelliaSubkeyR(11), | |
1351 io[2],io[3],il,ir,t0,t1); | |
1352 CAMELLIA_ROUNDSM(io[2],io[3], | |
1353 CamelliaSubkeyL(10),CamelliaSubkeyR(10), | |
1354 io[0],io[1],il,ir,t0,t1); | |
1355 | |
1356 CAMELLIA_FLS(io[0],io[1],io[2],io[3], | |
1357 CamelliaSubkeyL(9),CamelliaSubkeyR(9), | |
1358 CamelliaSubkeyL(8),CamelliaSubkeyR(8), | |
1359 t0,t1,il,ir); | |
1360 | |
1361 CAMELLIA_ROUNDSM(io[0],io[1], | |
1362 CamelliaSubkeyL(7),CamelliaSubkeyR(7), | |
1363 io[2],io[3],il,ir,t0,t1); | |
1364 CAMELLIA_ROUNDSM(io[2],io[3], | |
1365 CamelliaSubkeyL(6),CamelliaSubkeyR(6), | |
1366 io[0],io[1],il,ir,t0,t1); | |
1367 CAMELLIA_ROUNDSM(io[0],io[1], | |
1368 CamelliaSubkeyL(5),CamelliaSubkeyR(5), | |
1369 io[2],io[3],il,ir,t0,t1); | |
1370 CAMELLIA_ROUNDSM(io[2],io[3], | |
1371 CamelliaSubkeyL(4),CamelliaSubkeyR(4), | |
1372 io[0],io[1],il,ir,t0,t1); | |
1373 CAMELLIA_ROUNDSM(io[0],io[1], | |
1374 CamelliaSubkeyL(3),CamelliaSubkeyR(3), | |
1375 io[2],io[3],il,ir,t0,t1); | |
1376 CAMELLIA_ROUNDSM(io[2],io[3], | |
1377 CamelliaSubkeyL(2),CamelliaSubkeyR(2), | |
1378 io[0],io[1],il,ir,t0,t1); | |
1379 | |
1380 /* post whitening but kw4 */ | |
1381 io[2] ^= CamelliaSubkeyL(0); | |
1382 io[3] ^= CamelliaSubkeyR(0); | |
1383 | |
1384 t0 = io[0]; | |
1385 t1 = io[1]; | |
1386 io[0] = io[2]; | |
1387 io[1] = io[3]; | |
1388 io[2] = t0; | |
1389 io[3] = t1; | |
1390 | |
1391 return; | |
1392 } | |
1393 | |
1394 /** | |
1395 * stuff for 192 and 256bit encryption/decryption | |
1396 */ | |
1397 void camellia_encrypt256(const u32 *subkey, u32 *io) | |
1398 { | |
1399 u32 il,ir,t0,t1; /* temporary valiables */ | |
1400 | |
1401 /* pre whitening but absorb kw2*/ | |
1402 io[0] ^= CamelliaSubkeyL(0); | |
1403 io[1] ^= CamelliaSubkeyR(0); | |
1404 | |
1405 /* main iteration */ | |
1406 CAMELLIA_ROUNDSM(io[0],io[1], | |
1407 CamelliaSubkeyL(2),CamelliaSubkeyR(2), | |
1408 io[2],io[3],il,ir,t0,t1); | |
1409 CAMELLIA_ROUNDSM(io[2],io[3], | |
1410 CamelliaSubkeyL(3),CamelliaSubkeyR(3), | |
1411 io[0],io[1],il,ir,t0,t1); | |
1412 CAMELLIA_ROUNDSM(io[0],io[1], | |
1413 CamelliaSubkeyL(4),CamelliaSubkeyR(4), | |
1414 io[2],io[3],il,ir,t0,t1); | |
1415 CAMELLIA_ROUNDSM(io[2],io[3], | |
1416 CamelliaSubkeyL(5),CamelliaSubkeyR(5), | |
1417 io[0],io[1],il,ir,t0,t1); | |
1418 CAMELLIA_ROUNDSM(io[0],io[1], | |
1419 CamelliaSubkeyL(6),CamelliaSubkeyR(6), | |
1420 io[2],io[3],il,ir,t0,t1); | |
1421 CAMELLIA_ROUNDSM(io[2],io[3], | |
1422 CamelliaSubkeyL(7),CamelliaSubkeyR(7), | |
1423 io[0],io[1],il,ir,t0,t1); | |
1424 | |
1425 CAMELLIA_FLS(io[0],io[1],io[2],io[3], | |
1426 CamelliaSubkeyL(8),CamelliaSubkeyR(8), | |
1427 CamelliaSubkeyL(9),CamelliaSubkeyR(9), | |
1428 t0,t1,il,ir); | |
1429 | |
1430 CAMELLIA_ROUNDSM(io[0],io[1], | |
1431 CamelliaSubkeyL(10),CamelliaSubkeyR(10), | |
1432 io[2],io[3],il,ir,t0,t1); | |
1433 CAMELLIA_ROUNDSM(io[2],io[3], | |
1434 CamelliaSubkeyL(11),CamelliaSubkeyR(11), | |
1435 io[0],io[1],il,ir,t0,t1); | |
1436 CAMELLIA_ROUNDSM(io[0],io[1], | |
1437 CamelliaSubkeyL(12),CamelliaSubkeyR(12), | |
1438 io[2],io[3],il,ir,t0,t1); | |
1439 CAMELLIA_ROUNDSM(io[2],io[3], | |
1440 CamelliaSubkeyL(13),CamelliaSubkeyR(13), | |
1441 io[0],io[1],il,ir,t0,t1); | |
1442 CAMELLIA_ROUNDSM(io[0],io[1], | |
1443 CamelliaSubkeyL(14),CamelliaSubkeyR(14), | |
1444 io[2],io[3],il,ir,t0,t1); | |
1445 CAMELLIA_ROUNDSM(io[2],io[3], | |
1446 CamelliaSubkeyL(15),CamelliaSubkeyR(15), | |
1447 io[0],io[1],il,ir,t0,t1); | |
1448 | |
1449 CAMELLIA_FLS(io[0],io[1],io[2],io[3], | |
1450 CamelliaSubkeyL(16),CamelliaSubkeyR(16), | |
1451 CamelliaSubkeyL(17),CamelliaSubkeyR(17), | |
1452 t0,t1,il,ir); | |
1453 | |
1454 CAMELLIA_ROUNDSM(io[0],io[1], | |
1455 CamelliaSubkeyL(18),CamelliaSubkeyR(18), | |
1456 io[2],io[3],il,ir,t0,t1); | |
1457 CAMELLIA_ROUNDSM(io[2],io[3], | |
1458 CamelliaSubkeyL(19),CamelliaSubkeyR(19), | |
1459 io[0],io[1],il,ir,t0,t1); | |
1460 CAMELLIA_ROUNDSM(io[0],io[1], | |
1461 CamelliaSubkeyL(20),CamelliaSubkeyR(20), | |
1462 io[2],io[3],il,ir,t0,t1); | |
1463 CAMELLIA_ROUNDSM(io[2],io[3], | |
1464 CamelliaSubkeyL(21),CamelliaSubkeyR(21), | |
1465 io[0],io[1],il,ir,t0,t1); | |
1466 CAMELLIA_ROUNDSM(io[0],io[1], | |
1467 CamelliaSubkeyL(22),CamelliaSubkeyR(22), | |
1468 io[2],io[3],il,ir,t0,t1); | |
1469 CAMELLIA_ROUNDSM(io[2],io[3], | |
1470 CamelliaSubkeyL(23),CamelliaSubkeyR(23), | |
1471 io[0],io[1],il,ir,t0,t1); | |
1472 | |
1473 CAMELLIA_FLS(io[0],io[1],io[2],io[3], | |
1474 CamelliaSubkeyL(24),CamelliaSubkeyR(24), | |
1475 CamelliaSubkeyL(25),CamelliaSubkeyR(25), | |
1476 t0,t1,il,ir); | |
1477 | |
1478 CAMELLIA_ROUNDSM(io[0],io[1], | |
1479 CamelliaSubkeyL(26),CamelliaSubkeyR(26), | |
1480 io[2],io[3],il,ir,t0,t1); | |
1481 CAMELLIA_ROUNDSM(io[2],io[3], | |
1482 CamelliaSubkeyL(27),CamelliaSubkeyR(27), | |
1483 io[0],io[1],il,ir,t0,t1); | |
1484 CAMELLIA_ROUNDSM(io[0],io[1], | |
1485 CamelliaSubkeyL(28),CamelliaSubkeyR(28), | |
1486 io[2],io[3],il,ir,t0,t1); | |
1487 CAMELLIA_ROUNDSM(io[2],io[3], | |
1488 CamelliaSubkeyL(29),CamelliaSubkeyR(29), | |
1489 io[0],io[1],il,ir,t0,t1); | |
1490 CAMELLIA_ROUNDSM(io[0],io[1], | |
1491 CamelliaSubkeyL(30),CamelliaSubkeyR(30), | |
1492 io[2],io[3],il,ir,t0,t1); | |
1493 CAMELLIA_ROUNDSM(io[2],io[3], | |
1494 CamelliaSubkeyL(31),CamelliaSubkeyR(31), | |
1495 io[0],io[1],il,ir,t0,t1); | |
1496 | |
1497 /* post whitening but kw4 */ | |
1498 io[2] ^= CamelliaSubkeyL(32); | |
1499 io[3] ^= CamelliaSubkeyR(32); | |
1500 | |
1501 t0 = io[0]; | |
1502 t1 = io[1]; | |
1503 io[0] = io[2]; | |
1504 io[1] = io[3]; | |
1505 io[2] = t0; | |
1506 io[3] = t1; | |
1507 | |
1508 return; | |
1509 } | |
1510 | |
1511 void camellia_decrypt256(const u32 *subkey, u32 *io) | |
1512 { | |
1513 u32 il,ir,t0,t1; /* temporary valiables */ | |
1514 | |
1515 /* pre whitening but absorb kw2*/ | |
1516 io[0] ^= CamelliaSubkeyL(32); | |
1517 io[1] ^= CamelliaSubkeyR(32); | |
1518 | |
1519 /* main iteration */ | |
1520 CAMELLIA_ROUNDSM(io[0],io[1], | |
1521 CamelliaSubkeyL(31),CamelliaSubkeyR(31), | |
1522 io[2],io[3],il,ir,t0,t1); | |
1523 CAMELLIA_ROUNDSM(io[2],io[3], | |
1524 CamelliaSubkeyL(30),CamelliaSubkeyR(30), | |
1525 io[0],io[1],il,ir,t0,t1); | |
1526 CAMELLIA_ROUNDSM(io[0],io[1], | |
1527 CamelliaSubkeyL(29),CamelliaSubkeyR(29), | |
1528 io[2],io[3],il,ir,t0,t1); | |
1529 CAMELLIA_ROUNDSM(io[2],io[3], | |
1530 CamelliaSubkeyL(28),CamelliaSubkeyR(28), | |
1531 io[0],io[1],il,ir,t0,t1); | |
1532 CAMELLIA_ROUNDSM(io[0],io[1], | |
1533 CamelliaSubkeyL(27),CamelliaSubkeyR(27), | |
1534 io[2],io[3],il,ir,t0,t1); | |
1535 CAMELLIA_ROUNDSM(io[2],io[3], | |
1536 CamelliaSubkeyL(26),CamelliaSubkeyR(26), | |
1537 io[0],io[1],il,ir,t0,t1); | |
1538 | |
1539 CAMELLIA_FLS(io[0],io[1],io[2],io[3], | |
1540 CamelliaSubkeyL(25),CamelliaSubkeyR(25), | |
1541 CamelliaSubkeyL(24),CamelliaSubkeyR(24), | |
1542 t0,t1,il,ir); | |
1543 | |
1544 CAMELLIA_ROUNDSM(io[0],io[1], | |
1545 CamelliaSubkeyL(23),CamelliaSubkeyR(23), | |
1546 io[2],io[3],il,ir,t0,t1); | |
1547 CAMELLIA_ROUNDSM(io[2],io[3], | |
1548 CamelliaSubkeyL(22),CamelliaSubkeyR(22), | |
1549 io[0],io[1],il,ir,t0,t1); | |
1550 CAMELLIA_ROUNDSM(io[0],io[1], | |
1551 CamelliaSubkeyL(21),CamelliaSubkeyR(21), | |
1552 io[2],io[3],il,ir,t0,t1); | |
1553 CAMELLIA_ROUNDSM(io[2],io[3], | |
1554 CamelliaSubkeyL(20),CamelliaSubkeyR(20), | |
1555 io[0],io[1],il,ir,t0,t1); | |
1556 CAMELLIA_ROUNDSM(io[0],io[1], | |
1557 CamelliaSubkeyL(19),CamelliaSubkeyR(19), | |
1558 io[2],io[3],il,ir,t0,t1); | |
1559 CAMELLIA_ROUNDSM(io[2],io[3], | |
1560 CamelliaSubkeyL(18),CamelliaSubkeyR(18), | |
1561 io[0],io[1],il,ir,t0,t1); | |
1562 | |
1563 CAMELLIA_FLS(io[0],io[1],io[2],io[3], | |
1564 CamelliaSubkeyL(17),CamelliaSubkeyR(17), | |
1565 CamelliaSubkeyL(16),CamelliaSubkeyR(16), | |
1566 t0,t1,il,ir); | |
1567 | |
1568 CAMELLIA_ROUNDSM(io[0],io[1], | |
1569 CamelliaSubkeyL(15),CamelliaSubkeyR(15), | |
1570 io[2],io[3],il,ir,t0,t1); | |
1571 CAMELLIA_ROUNDSM(io[2],io[3], | |
1572 CamelliaSubkeyL(14),CamelliaSubkeyR(14), | |
1573 io[0],io[1],il,ir,t0,t1); | |
1574 CAMELLIA_ROUNDSM(io[0],io[1], | |
1575 CamelliaSubkeyL(13),CamelliaSubkeyR(13), | |
1576 io[2],io[3],il,ir,t0,t1); | |
1577 CAMELLIA_ROUNDSM(io[2],io[3], | |
1578 CamelliaSubkeyL(12),CamelliaSubkeyR(12), | |
1579 io[0],io[1],il,ir,t0,t1); | |
1580 CAMELLIA_ROUNDSM(io[0],io[1], | |
1581 CamelliaSubkeyL(11),CamelliaSubkeyR(11), | |
1582 io[2],io[3],il,ir,t0,t1); | |
1583 CAMELLIA_ROUNDSM(io[2],io[3], | |
1584 CamelliaSubkeyL(10),CamelliaSubkeyR(10), | |
1585 io[0],io[1],il,ir,t0,t1); | |
1586 | |
1587 CAMELLIA_FLS(io[0],io[1],io[2],io[3], | |
1588 CamelliaSubkeyL(9),CamelliaSubkeyR(9), | |
1589 CamelliaSubkeyL(8),CamelliaSubkeyR(8), | |
1590 t0,t1,il,ir); | |
1591 | |
1592 CAMELLIA_ROUNDSM(io[0],io[1], | |
1593 CamelliaSubkeyL(7),CamelliaSubkeyR(7), | |
1594 io[2],io[3],il,ir,t0,t1); | |
1595 CAMELLIA_ROUNDSM(io[2],io[3], | |
1596 CamelliaSubkeyL(6),CamelliaSubkeyR(6), | |
1597 io[0],io[1],il,ir,t0,t1); | |
1598 CAMELLIA_ROUNDSM(io[0],io[1], | |
1599 CamelliaSubkeyL(5),CamelliaSubkeyR(5), | |
1600 io[2],io[3],il,ir,t0,t1); | |
1601 CAMELLIA_ROUNDSM(io[2],io[3], | |
1602 CamelliaSubkeyL(4),CamelliaSubkeyR(4), | |
1603 io[0],io[1],il,ir,t0,t1); | |
1604 CAMELLIA_ROUNDSM(io[0],io[1], | |
1605 CamelliaSubkeyL(3),CamelliaSubkeyR(3), | |
1606 io[2],io[3],il,ir,t0,t1); | |
1607 CAMELLIA_ROUNDSM(io[2],io[3], | |
1608 CamelliaSubkeyL(2),CamelliaSubkeyR(2), | |
1609 io[0],io[1],il,ir,t0,t1); | |
1610 | |
1611 /* post whitening but kw4 */ | |
1612 io[2] ^= CamelliaSubkeyL(0); | |
1613 io[3] ^= CamelliaSubkeyR(0); | |
1614 | |
1615 t0 = io[0]; | |
1616 t1 = io[1]; | |
1617 io[0] = io[2]; | |
1618 io[1] = io[3]; | |
1619 io[2] = t0; | |
1620 io[3] = t1; | |
1621 | |
1622 return; | |
1623 } | |
1624 | |
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