| 1 | /* camellia.c ver 1.2.0
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| 2 | *
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| 3 | * Copyright (c) 2006,2007
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| 4 | * NTT (Nippon Telegraph and Telephone Corporation) . All rights reserved.
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| 5 | *
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| 6 | * Redistribution and use in source and binary forms, with or without
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| 7 | * modification, are permitted provided that the following conditions
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| 8 | * are met:
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| 9 | * 1. Redistributions of source code must retain the above copyright
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| 10 | * notice, this list of conditions and the following disclaimer as
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| 11 | * the first lines of this file unmodified.
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| 12 | * 2. Redistributions in binary form must reproduce the above copyright
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| 13 | * notice, this list of conditions and the following disclaimer in the
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| 14 | * documentation and/or other materials provided with the distribution.
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| 15 | *
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| 16 | * THIS SOFTWARE IS PROVIDED BY NTT ``AS IS'' AND ANY EXPRESS OR
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| 17 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 18 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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| 19 | * IN NO EVENT SHALL NTT BE LIABLE FOR ANY DIRECT, INDIRECT,
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| 20 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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| 21 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 22 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 23 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 24 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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| 25 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 26 | */
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| 27 |
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| 28 | /*
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| 29 | * Algorithm Specification
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| 30 | * http://info.isl.ntt.co.jp/crypt/eng/camellia/specifications.html
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| 31 | */
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| 32 |
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| 33 | #include "config.h"
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| 34 |
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| 35 | #include <string.h>
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| 36 | #include <stdlib.h>
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| 37 |
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| 38 | #include <krb5-types.h>
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| 39 | #include "camellia-ntt.h"
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| 40 |
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| 41 | #include <roken.h>
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| 42 |
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| 43 | /* key constants */
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| 44 |
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| 45 | #define CAMELLIA_SIGMA1L (0xA09E667FL)
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| 46 | #define CAMELLIA_SIGMA1R (0x3BCC908BL)
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| 47 | #define CAMELLIA_SIGMA2L (0xB67AE858L)
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| 48 | #define CAMELLIA_SIGMA2R (0x4CAA73B2L)
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| 49 | #define CAMELLIA_SIGMA3L (0xC6EF372FL)
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| 50 | #define CAMELLIA_SIGMA3R (0xE94F82BEL)
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| 51 | #define CAMELLIA_SIGMA4L (0x54FF53A5L)
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| 52 | #define CAMELLIA_SIGMA4R (0xF1D36F1CL)
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| 53 | #define CAMELLIA_SIGMA5L (0x10E527FAL)
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| 54 | #define CAMELLIA_SIGMA5R (0xDE682D1DL)
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| 55 | #define CAMELLIA_SIGMA6L (0xB05688C2L)
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| 56 | #define CAMELLIA_SIGMA6R (0xB3E6C1FDL)
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| 57 |
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| 58 | /*
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| 59 | * macros
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| 60 | */
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| 61 |
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| 62 |
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| 63 | #if defined(_MSC_VER)
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| 64 |
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| 65 | # define SWAP(x) (_lrotl(x, 8) & 0x00ff00ff | _lrotr(x, 8) & 0xff00ff00)
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| 66 | # define GETU32(p) SWAP(*((u32 *)(p)))
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| 67 | # define PUTU32(ct, st) {*((u32 *)(ct)) = SWAP((st));}
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| 68 |
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| 69 | #else /* not MS-VC */
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| 70 |
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| 71 | # define GETU32(pt) \
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| 72 | (((u32)(pt)[0] << 24) \
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| 73 | ^ ((u32)(pt)[1] << 16) \
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| 74 | ^ ((u32)(pt)[2] << 8) \
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| 75 | ^ ((u32)(pt)[3]))
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| 76 |
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| 77 | # define PUTU32(ct, st) { \
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| 78 | (ct)[0] = (u8)((st) >> 24); \
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| 79 | (ct)[1] = (u8)((st) >> 16); \
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| 80 | (ct)[2] = (u8)((st) >> 8); \
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| 81 | (ct)[3] = (u8)(st); }
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| 82 |
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| 83 | #endif
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| 84 |
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| 85 | #define CamelliaSubkeyL(INDEX) (subkey[(INDEX)*2])
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| 86 | #define CamelliaSubkeyR(INDEX) (subkey[(INDEX)*2 + 1])
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| 87 |
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| 88 | /* rotation right shift 1byte */
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| 89 | #define CAMELLIA_RR8(x) (((x) >> 8) + ((x) << 24))
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| 90 | /* rotation left shift 1bit */
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| 91 | #define CAMELLIA_RL1(x) (((x) << 1) + ((x) >> 31))
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| 92 | /* rotation left shift 1byte */
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| 93 | #define CAMELLIA_RL8(x) (((x) << 8) + ((x) >> 24))
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| 94 |
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| 95 | #define CAMELLIA_ROLDQ(ll, lr, rl, rr, w0, w1, bits) \
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| 96 | do { \
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| 97 | w0 = ll; \
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| 98 | ll = (ll << bits) + (lr >> (32 - bits)); \
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| 99 | lr = (lr << bits) + (rl >> (32 - bits)); \
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| 100 | rl = (rl << bits) + (rr >> (32 - bits)); \
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| 101 | rr = (rr << bits) + (w0 >> (32 - bits)); \
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| 102 | } while(0)
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| 103 |
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| 104 | #define CAMELLIA_ROLDQo32(ll, lr, rl, rr, w0, w1, bits) \
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| 105 | do { \
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| 106 | w0 = ll; \
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| 107 | w1 = lr; \
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| 108 | ll = (lr << (bits - 32)) + (rl >> (64 - bits)); \
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| 109 | lr = (rl << (bits - 32)) + (rr >> (64 - bits)); \
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| 110 | rl = (rr << (bits - 32)) + (w0 >> (64 - bits)); \
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| 111 | rr = (w0 << (bits - 32)) + (w1 >> (64 - bits)); \
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| 112 | } while(0)
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| 113 |
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| 114 | #define CAMELLIA_SP1110(INDEX) (camellia_sp1110[(INDEX)])
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| 115 | #define CAMELLIA_SP0222(INDEX) (camellia_sp0222[(INDEX)])
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| 116 | #define CAMELLIA_SP3033(INDEX) (camellia_sp3033[(INDEX)])
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| 117 | #define CAMELLIA_SP4404(INDEX) (camellia_sp4404[(INDEX)])
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| 118 |
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| 119 | #define CAMELLIA_F(xl, xr, kl, kr, yl, yr, il, ir, t0, t1) \
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| 120 | do { \
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| 121 | il = xl ^ kl; \
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| 122 | ir = xr ^ kr; \
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| 123 | t0 = il >> 16; \
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| 124 | t1 = ir >> 16; \
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| 125 | yl = CAMELLIA_SP1110(ir & 0xff) \
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| 126 | ^ CAMELLIA_SP0222((t1 >> 8) & 0xff) \
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| 127 | ^ CAMELLIA_SP3033(t1 & 0xff) \
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| 128 | ^ CAMELLIA_SP4404((ir >> 8) & 0xff); \
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| 129 | yr = CAMELLIA_SP1110((t0 >> 8) & 0xff) \
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| 130 | ^ CAMELLIA_SP0222(t0 & 0xff) \
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| 131 | ^ CAMELLIA_SP3033((il >> 8) & 0xff) \
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| 132 | ^ CAMELLIA_SP4404(il & 0xff); \
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| 133 | yl ^= yr; \
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| 134 | yr = CAMELLIA_RR8(yr); \
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| 135 | yr ^= yl; \
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| 136 | } while(0)
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| 137 |
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| 138 |
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| 139 | /*
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| 140 | * for speed up
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| 141 | *
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| 142 | */
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| 143 | #define CAMELLIA_FLS(ll, lr, rl, rr, kll, klr, krl, krr, t0, t1, t2, t3) \
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| 144 | do { \
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| 145 | t0 = kll; \
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| 146 | t0 &= ll; \
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| 147 | lr ^= CAMELLIA_RL1(t0); \
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| 148 | t1 = klr; \
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| 149 | t1 |= lr; \
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| 150 | ll ^= t1; \
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| 151 | \
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| 152 | t2 = krr; \
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| 153 | t2 |= rr; \
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| 154 | rl ^= t2; \
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| 155 | t3 = krl; \
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| 156 | t3 &= rl; \
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| 157 | rr ^= CAMELLIA_RL1(t3); \
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| 158 | } while(0)
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| 159 |
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| 160 | #define CAMELLIA_ROUNDSM(xl, xr, kl, kr, yl, yr, il, ir, t0, t1) \
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| 161 | do { \
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| 162 | ir = CAMELLIA_SP1110(xr & 0xff) \
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| 163 | ^ CAMELLIA_SP0222((xr >> 24) & 0xff) \
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| 164 | ^ CAMELLIA_SP3033((xr >> 16) & 0xff) \
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| 165 | ^ CAMELLIA_SP4404((xr >> 8) & 0xff); \
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| 166 | il = CAMELLIA_SP1110((xl >> 24) & 0xff) \
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| 167 | ^ CAMELLIA_SP0222((xl >> 16) & 0xff) \
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| 168 | ^ CAMELLIA_SP3033((xl >> 8) & 0xff) \
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| 169 | ^ CAMELLIA_SP4404(xl & 0xff); \
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| 170 | il ^= kl; \
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| 171 | ir ^= kr; \
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| 172 | ir ^= il; \
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| 173 | il = CAMELLIA_RR8(il); \
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| 174 | il ^= ir; \
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| 175 | yl ^= ir; \
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| 176 | yr ^= il; \
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| 177 | } while(0)
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| 178 |
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| 179 |
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| 180 | static const u32 camellia_sp1110[256] = {
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| 181 | 0x70707000,0x82828200,0x2c2c2c00,0xececec00,
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| 182 | 0xb3b3b300,0x27272700,0xc0c0c000,0xe5e5e500,
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| 183 | 0xe4e4e400,0x85858500,0x57575700,0x35353500,
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| 184 | 0xeaeaea00,0x0c0c0c00,0xaeaeae00,0x41414100,
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| 185 | 0x23232300,0xefefef00,0x6b6b6b00,0x93939300,
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| 186 | 0x45454500,0x19191900,0xa5a5a500,0x21212100,
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| 187 | 0xededed00,0x0e0e0e00,0x4f4f4f00,0x4e4e4e00,
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| 188 | 0x1d1d1d00,0x65656500,0x92929200,0xbdbdbd00,
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| 189 | 0x86868600,0xb8b8b800,0xafafaf00,0x8f8f8f00,
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| 190 | 0x7c7c7c00,0xebebeb00,0x1f1f1f00,0xcecece00,
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| 191 | 0x3e3e3e00,0x30303000,0xdcdcdc00,0x5f5f5f00,
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| 192 | 0x5e5e5e00,0xc5c5c500,0x0b0b0b00,0x1a1a1a00,
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| 193 | 0xa6a6a600,0xe1e1e100,0x39393900,0xcacaca00,
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| 194 | 0xd5d5d500,0x47474700,0x5d5d5d00,0x3d3d3d00,
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| 195 | 0xd9d9d900,0x01010100,0x5a5a5a00,0xd6d6d600,
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| 196 | 0x51515100,0x56565600,0x6c6c6c00,0x4d4d4d00,
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| 197 | 0x8b8b8b00,0x0d0d0d00,0x9a9a9a00,0x66666600,
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| 198 | 0xfbfbfb00,0xcccccc00,0xb0b0b000,0x2d2d2d00,
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| 199 | 0x74747400,0x12121200,0x2b2b2b00,0x20202000,
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| 200 | 0xf0f0f000,0xb1b1b100,0x84848400,0x99999900,
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| 201 | 0xdfdfdf00,0x4c4c4c00,0xcbcbcb00,0xc2c2c200,
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| 202 | 0x34343400,0x7e7e7e00,0x76767600,0x05050500,
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| 203 | 0x6d6d6d00,0xb7b7b700,0xa9a9a900,0x31313100,
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| 204 | 0xd1d1d100,0x17171700,0x04040400,0xd7d7d700,
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| 205 | 0x14141400,0x58585800,0x3a3a3a00,0x61616100,
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| 206 | 0xdedede00,0x1b1b1b00,0x11111100,0x1c1c1c00,
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| 207 | 0x32323200,0x0f0f0f00,0x9c9c9c00,0x16161600,
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| 208 | 0x53535300,0x18181800,0xf2f2f200,0x22222200,
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| 209 | 0xfefefe00,0x44444400,0xcfcfcf00,0xb2b2b200,
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| 210 | 0xc3c3c300,0xb5b5b500,0x7a7a7a00,0x91919100,
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| 211 | 0x24242400,0x08080800,0xe8e8e800,0xa8a8a800,
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| 212 | 0x60606000,0xfcfcfc00,0x69696900,0x50505000,
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| 213 | 0xaaaaaa00,0xd0d0d000,0xa0a0a000,0x7d7d7d00,
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| 214 | 0xa1a1a100,0x89898900,0x62626200,0x97979700,
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| 215 | 0x54545400,0x5b5b5b00,0x1e1e1e00,0x95959500,
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| 216 | 0xe0e0e000,0xffffff00,0x64646400,0xd2d2d200,
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| 217 | 0x10101000,0xc4c4c400,0x00000000,0x48484800,
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| 218 | 0xa3a3a300,0xf7f7f700,0x75757500,0xdbdbdb00,
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| 219 | 0x8a8a8a00,0x03030300,0xe6e6e600,0xdadada00,
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| 220 | 0x09090900,0x3f3f3f00,0xdddddd00,0x94949400,
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| 221 | 0x87878700,0x5c5c5c00,0x83838300,0x02020200,
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| 222 | 0xcdcdcd00,0x4a4a4a00,0x90909000,0x33333300,
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| 223 | 0x73737300,0x67676700,0xf6f6f600,0xf3f3f300,
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| 224 | 0x9d9d9d00,0x7f7f7f00,0xbfbfbf00,0xe2e2e200,
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| 225 | 0x52525200,0x9b9b9b00,0xd8d8d800,0x26262600,
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| 226 | 0xc8c8c800,0x37373700,0xc6c6c600,0x3b3b3b00,
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| 227 | 0x81818100,0x96969600,0x6f6f6f00,0x4b4b4b00,
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| 228 | 0x13131300,0xbebebe00,0x63636300,0x2e2e2e00,
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| 229 | 0xe9e9e900,0x79797900,0xa7a7a700,0x8c8c8c00,
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| 230 | 0x9f9f9f00,0x6e6e6e00,0xbcbcbc00,0x8e8e8e00,
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| 231 | 0x29292900,0xf5f5f500,0xf9f9f900,0xb6b6b600,
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| 232 | 0x2f2f2f00,0xfdfdfd00,0xb4b4b400,0x59595900,
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| 233 | 0x78787800,0x98989800,0x06060600,0x6a6a6a00,
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| 234 | 0xe7e7e700,0x46464600,0x71717100,0xbababa00,
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| 235 | 0xd4d4d400,0x25252500,0xababab00,0x42424200,
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| 236 | 0x88888800,0xa2a2a200,0x8d8d8d00,0xfafafa00,
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| 237 | 0x72727200,0x07070700,0xb9b9b900,0x55555500,
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| 238 | 0xf8f8f800,0xeeeeee00,0xacacac00,0x0a0a0a00,
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| 239 | 0x36363600,0x49494900,0x2a2a2a00,0x68686800,
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| 240 | 0x3c3c3c00,0x38383800,0xf1f1f100,0xa4a4a400,
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| 241 | 0x40404000,0x28282800,0xd3d3d300,0x7b7b7b00,
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| 242 | 0xbbbbbb00,0xc9c9c900,0x43434300,0xc1c1c100,
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| 243 | 0x15151500,0xe3e3e300,0xadadad00,0xf4f4f400,
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| 244 | 0x77777700,0xc7c7c700,0x80808000,0x9e9e9e00,
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| 245 | };
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| 246 |
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| 247 | static const u32 camellia_sp0222[256] = {
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| 248 | 0x00e0e0e0,0x00050505,0x00585858,0x00d9d9d9,
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| 249 | 0x00676767,0x004e4e4e,0x00818181,0x00cbcbcb,
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| 250 | 0x00c9c9c9,0x000b0b0b,0x00aeaeae,0x006a6a6a,
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| 251 | 0x00d5d5d5,0x00181818,0x005d5d5d,0x00828282,
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| 252 | 0x00464646,0x00dfdfdf,0x00d6d6d6,0x00272727,
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| 253 | 0x008a8a8a,0x00323232,0x004b4b4b,0x00424242,
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| 254 | 0x00dbdbdb,0x001c1c1c,0x009e9e9e,0x009c9c9c,
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| 255 | 0x003a3a3a,0x00cacaca,0x00252525,0x007b7b7b,
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| 256 | 0x000d0d0d,0x00717171,0x005f5f5f,0x001f1f1f,
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| 257 | 0x00f8f8f8,0x00d7d7d7,0x003e3e3e,0x009d9d9d,
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| 258 | 0x007c7c7c,0x00606060,0x00b9b9b9,0x00bebebe,
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| 259 | 0x00bcbcbc,0x008b8b8b,0x00161616,0x00343434,
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| 260 | 0x004d4d4d,0x00c3c3c3,0x00727272,0x00959595,
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| 261 | 0x00ababab,0x008e8e8e,0x00bababa,0x007a7a7a,
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| 262 | 0x00b3b3b3,0x00020202,0x00b4b4b4,0x00adadad,
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| 263 | 0x00a2a2a2,0x00acacac,0x00d8d8d8,0x009a9a9a,
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| 264 | 0x00171717,0x001a1a1a,0x00353535,0x00cccccc,
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| 265 | 0x00f7f7f7,0x00999999,0x00616161,0x005a5a5a,
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| 266 | 0x00e8e8e8,0x00242424,0x00565656,0x00404040,
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| 267 | 0x00e1e1e1,0x00636363,0x00090909,0x00333333,
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| 268 | 0x00bfbfbf,0x00989898,0x00979797,0x00858585,
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| 269 | 0x00686868,0x00fcfcfc,0x00ececec,0x000a0a0a,
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| 270 | 0x00dadada,0x006f6f6f,0x00535353,0x00626262,
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| 271 | 0x00a3a3a3,0x002e2e2e,0x00080808,0x00afafaf,
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| 272 | 0x00282828,0x00b0b0b0,0x00747474,0x00c2c2c2,
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| 273 | 0x00bdbdbd,0x00363636,0x00222222,0x00383838,
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| 274 | 0x00646464,0x001e1e1e,0x00393939,0x002c2c2c,
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| 275 | 0x00a6a6a6,0x00303030,0x00e5e5e5,0x00444444,
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| 276 | 0x00fdfdfd,0x00888888,0x009f9f9f,0x00656565,
|
|---|
| 277 | 0x00878787,0x006b6b6b,0x00f4f4f4,0x00232323,
|
|---|
| 278 | 0x00484848,0x00101010,0x00d1d1d1,0x00515151,
|
|---|
| 279 | 0x00c0c0c0,0x00f9f9f9,0x00d2d2d2,0x00a0a0a0,
|
|---|
| 280 | 0x00555555,0x00a1a1a1,0x00414141,0x00fafafa,
|
|---|
| 281 | 0x00434343,0x00131313,0x00c4c4c4,0x002f2f2f,
|
|---|
| 282 | 0x00a8a8a8,0x00b6b6b6,0x003c3c3c,0x002b2b2b,
|
|---|
| 283 | 0x00c1c1c1,0x00ffffff,0x00c8c8c8,0x00a5a5a5,
|
|---|
| 284 | 0x00202020,0x00898989,0x00000000,0x00909090,
|
|---|
| 285 | 0x00474747,0x00efefef,0x00eaeaea,0x00b7b7b7,
|
|---|
| 286 | 0x00151515,0x00060606,0x00cdcdcd,0x00b5b5b5,
|
|---|
| 287 | 0x00121212,0x007e7e7e,0x00bbbbbb,0x00292929,
|
|---|
| 288 | 0x000f0f0f,0x00b8b8b8,0x00070707,0x00040404,
|
|---|
| 289 | 0x009b9b9b,0x00949494,0x00212121,0x00666666,
|
|---|
| 290 | 0x00e6e6e6,0x00cecece,0x00ededed,0x00e7e7e7,
|
|---|
| 291 | 0x003b3b3b,0x00fefefe,0x007f7f7f,0x00c5c5c5,
|
|---|
| 292 | 0x00a4a4a4,0x00373737,0x00b1b1b1,0x004c4c4c,
|
|---|
| 293 | 0x00919191,0x006e6e6e,0x008d8d8d,0x00767676,
|
|---|
| 294 | 0x00030303,0x002d2d2d,0x00dedede,0x00969696,
|
|---|
| 295 | 0x00262626,0x007d7d7d,0x00c6c6c6,0x005c5c5c,
|
|---|
| 296 | 0x00d3d3d3,0x00f2f2f2,0x004f4f4f,0x00191919,
|
|---|
| 297 | 0x003f3f3f,0x00dcdcdc,0x00797979,0x001d1d1d,
|
|---|
| 298 | 0x00525252,0x00ebebeb,0x00f3f3f3,0x006d6d6d,
|
|---|
| 299 | 0x005e5e5e,0x00fbfbfb,0x00696969,0x00b2b2b2,
|
|---|
| 300 | 0x00f0f0f0,0x00313131,0x000c0c0c,0x00d4d4d4,
|
|---|
| 301 | 0x00cfcfcf,0x008c8c8c,0x00e2e2e2,0x00757575,
|
|---|
| 302 | 0x00a9a9a9,0x004a4a4a,0x00575757,0x00848484,
|
|---|
| 303 | 0x00111111,0x00454545,0x001b1b1b,0x00f5f5f5,
|
|---|
| 304 | 0x00e4e4e4,0x000e0e0e,0x00737373,0x00aaaaaa,
|
|---|
| 305 | 0x00f1f1f1,0x00dddddd,0x00595959,0x00141414,
|
|---|
| 306 | 0x006c6c6c,0x00929292,0x00545454,0x00d0d0d0,
|
|---|
| 307 | 0x00787878,0x00707070,0x00e3e3e3,0x00494949,
|
|---|
| 308 | 0x00808080,0x00505050,0x00a7a7a7,0x00f6f6f6,
|
|---|
| 309 | 0x00777777,0x00939393,0x00868686,0x00838383,
|
|---|
| 310 | 0x002a2a2a,0x00c7c7c7,0x005b5b5b,0x00e9e9e9,
|
|---|
| 311 | 0x00eeeeee,0x008f8f8f,0x00010101,0x003d3d3d,
|
|---|
| 312 | };
|
|---|
| 313 |
|
|---|
| 314 | static const u32 camellia_sp3033[256] = {
|
|---|
| 315 | 0x38003838,0x41004141,0x16001616,0x76007676,
|
|---|
| 316 | 0xd900d9d9,0x93009393,0x60006060,0xf200f2f2,
|
|---|
| 317 | 0x72007272,0xc200c2c2,0xab00abab,0x9a009a9a,
|
|---|
| 318 | 0x75007575,0x06000606,0x57005757,0xa000a0a0,
|
|---|
| 319 | 0x91009191,0xf700f7f7,0xb500b5b5,0xc900c9c9,
|
|---|
| 320 | 0xa200a2a2,0x8c008c8c,0xd200d2d2,0x90009090,
|
|---|
| 321 | 0xf600f6f6,0x07000707,0xa700a7a7,0x27002727,
|
|---|
| 322 | 0x8e008e8e,0xb200b2b2,0x49004949,0xde00dede,
|
|---|
| 323 | 0x43004343,0x5c005c5c,0xd700d7d7,0xc700c7c7,
|
|---|
| 324 | 0x3e003e3e,0xf500f5f5,0x8f008f8f,0x67006767,
|
|---|
| 325 | 0x1f001f1f,0x18001818,0x6e006e6e,0xaf00afaf,
|
|---|
| 326 | 0x2f002f2f,0xe200e2e2,0x85008585,0x0d000d0d,
|
|---|
| 327 | 0x53005353,0xf000f0f0,0x9c009c9c,0x65006565,
|
|---|
| 328 | 0xea00eaea,0xa300a3a3,0xae00aeae,0x9e009e9e,
|
|---|
| 329 | 0xec00ecec,0x80008080,0x2d002d2d,0x6b006b6b,
|
|---|
| 330 | 0xa800a8a8,0x2b002b2b,0x36003636,0xa600a6a6,
|
|---|
| 331 | 0xc500c5c5,0x86008686,0x4d004d4d,0x33003333,
|
|---|
| 332 | 0xfd00fdfd,0x66006666,0x58005858,0x96009696,
|
|---|
| 333 | 0x3a003a3a,0x09000909,0x95009595,0x10001010,
|
|---|
| 334 | 0x78007878,0xd800d8d8,0x42004242,0xcc00cccc,
|
|---|
| 335 | 0xef00efef,0x26002626,0xe500e5e5,0x61006161,
|
|---|
| 336 | 0x1a001a1a,0x3f003f3f,0x3b003b3b,0x82008282,
|
|---|
| 337 | 0xb600b6b6,0xdb00dbdb,0xd400d4d4,0x98009898,
|
|---|
| 338 | 0xe800e8e8,0x8b008b8b,0x02000202,0xeb00ebeb,
|
|---|
| 339 | 0x0a000a0a,0x2c002c2c,0x1d001d1d,0xb000b0b0,
|
|---|
| 340 | 0x6f006f6f,0x8d008d8d,0x88008888,0x0e000e0e,
|
|---|
| 341 | 0x19001919,0x87008787,0x4e004e4e,0x0b000b0b,
|
|---|
| 342 | 0xa900a9a9,0x0c000c0c,0x79007979,0x11001111,
|
|---|
| 343 | 0x7f007f7f,0x22002222,0xe700e7e7,0x59005959,
|
|---|
| 344 | 0xe100e1e1,0xda00dada,0x3d003d3d,0xc800c8c8,
|
|---|
| 345 | 0x12001212,0x04000404,0x74007474,0x54005454,
|
|---|
| 346 | 0x30003030,0x7e007e7e,0xb400b4b4,0x28002828,
|
|---|
| 347 | 0x55005555,0x68006868,0x50005050,0xbe00bebe,
|
|---|
| 348 | 0xd000d0d0,0xc400c4c4,0x31003131,0xcb00cbcb,
|
|---|
| 349 | 0x2a002a2a,0xad00adad,0x0f000f0f,0xca00caca,
|
|---|
| 350 | 0x70007070,0xff00ffff,0x32003232,0x69006969,
|
|---|
| 351 | 0x08000808,0x62006262,0x00000000,0x24002424,
|
|---|
| 352 | 0xd100d1d1,0xfb00fbfb,0xba00baba,0xed00eded,
|
|---|
| 353 | 0x45004545,0x81008181,0x73007373,0x6d006d6d,
|
|---|
| 354 | 0x84008484,0x9f009f9f,0xee00eeee,0x4a004a4a,
|
|---|
| 355 | 0xc300c3c3,0x2e002e2e,0xc100c1c1,0x01000101,
|
|---|
| 356 | 0xe600e6e6,0x25002525,0x48004848,0x99009999,
|
|---|
| 357 | 0xb900b9b9,0xb300b3b3,0x7b007b7b,0xf900f9f9,
|
|---|
| 358 | 0xce00cece,0xbf00bfbf,0xdf00dfdf,0x71007171,
|
|---|
| 359 | 0x29002929,0xcd00cdcd,0x6c006c6c,0x13001313,
|
|---|
| 360 | 0x64006464,0x9b009b9b,0x63006363,0x9d009d9d,
|
|---|
| 361 | 0xc000c0c0,0x4b004b4b,0xb700b7b7,0xa500a5a5,
|
|---|
| 362 | 0x89008989,0x5f005f5f,0xb100b1b1,0x17001717,
|
|---|
| 363 | 0xf400f4f4,0xbc00bcbc,0xd300d3d3,0x46004646,
|
|---|
| 364 | 0xcf00cfcf,0x37003737,0x5e005e5e,0x47004747,
|
|---|
| 365 | 0x94009494,0xfa00fafa,0xfc00fcfc,0x5b005b5b,
|
|---|
| 366 | 0x97009797,0xfe00fefe,0x5a005a5a,0xac00acac,
|
|---|
| 367 | 0x3c003c3c,0x4c004c4c,0x03000303,0x35003535,
|
|---|
| 368 | 0xf300f3f3,0x23002323,0xb800b8b8,0x5d005d5d,
|
|---|
| 369 | 0x6a006a6a,0x92009292,0xd500d5d5,0x21002121,
|
|---|
| 370 | 0x44004444,0x51005151,0xc600c6c6,0x7d007d7d,
|
|---|
| 371 | 0x39003939,0x83008383,0xdc00dcdc,0xaa00aaaa,
|
|---|
| 372 | 0x7c007c7c,0x77007777,0x56005656,0x05000505,
|
|---|
| 373 | 0x1b001b1b,0xa400a4a4,0x15001515,0x34003434,
|
|---|
| 374 | 0x1e001e1e,0x1c001c1c,0xf800f8f8,0x52005252,
|
|---|
| 375 | 0x20002020,0x14001414,0xe900e9e9,0xbd00bdbd,
|
|---|
| 376 | 0xdd00dddd,0xe400e4e4,0xa100a1a1,0xe000e0e0,
|
|---|
| 377 | 0x8a008a8a,0xf100f1f1,0xd600d6d6,0x7a007a7a,
|
|---|
| 378 | 0xbb00bbbb,0xe300e3e3,0x40004040,0x4f004f4f,
|
|---|
| 379 | };
|
|---|
| 380 |
|
|---|
| 381 | static const u32 camellia_sp4404[256] = {
|
|---|
| 382 | 0x70700070,0x2c2c002c,0xb3b300b3,0xc0c000c0,
|
|---|
| 383 | 0xe4e400e4,0x57570057,0xeaea00ea,0xaeae00ae,
|
|---|
| 384 | 0x23230023,0x6b6b006b,0x45450045,0xa5a500a5,
|
|---|
| 385 | 0xeded00ed,0x4f4f004f,0x1d1d001d,0x92920092,
|
|---|
| 386 | 0x86860086,0xafaf00af,0x7c7c007c,0x1f1f001f,
|
|---|
| 387 | 0x3e3e003e,0xdcdc00dc,0x5e5e005e,0x0b0b000b,
|
|---|
| 388 | 0xa6a600a6,0x39390039,0xd5d500d5,0x5d5d005d,
|
|---|
| 389 | 0xd9d900d9,0x5a5a005a,0x51510051,0x6c6c006c,
|
|---|
| 390 | 0x8b8b008b,0x9a9a009a,0xfbfb00fb,0xb0b000b0,
|
|---|
| 391 | 0x74740074,0x2b2b002b,0xf0f000f0,0x84840084,
|
|---|
| 392 | 0xdfdf00df,0xcbcb00cb,0x34340034,0x76760076,
|
|---|
| 393 | 0x6d6d006d,0xa9a900a9,0xd1d100d1,0x04040004,
|
|---|
| 394 | 0x14140014,0x3a3a003a,0xdede00de,0x11110011,
|
|---|
| 395 | 0x32320032,0x9c9c009c,0x53530053,0xf2f200f2,
|
|---|
| 396 | 0xfefe00fe,0xcfcf00cf,0xc3c300c3,0x7a7a007a,
|
|---|
| 397 | 0x24240024,0xe8e800e8,0x60600060,0x69690069,
|
|---|
| 398 | 0xaaaa00aa,0xa0a000a0,0xa1a100a1,0x62620062,
|
|---|
| 399 | 0x54540054,0x1e1e001e,0xe0e000e0,0x64640064,
|
|---|
| 400 | 0x10100010,0x00000000,0xa3a300a3,0x75750075,
|
|---|
| 401 | 0x8a8a008a,0xe6e600e6,0x09090009,0xdddd00dd,
|
|---|
| 402 | 0x87870087,0x83830083,0xcdcd00cd,0x90900090,
|
|---|
| 403 | 0x73730073,0xf6f600f6,0x9d9d009d,0xbfbf00bf,
|
|---|
| 404 | 0x52520052,0xd8d800d8,0xc8c800c8,0xc6c600c6,
|
|---|
| 405 | 0x81810081,0x6f6f006f,0x13130013,0x63630063,
|
|---|
| 406 | 0xe9e900e9,0xa7a700a7,0x9f9f009f,0xbcbc00bc,
|
|---|
| 407 | 0x29290029,0xf9f900f9,0x2f2f002f,0xb4b400b4,
|
|---|
| 408 | 0x78780078,0x06060006,0xe7e700e7,0x71710071,
|
|---|
| 409 | 0xd4d400d4,0xabab00ab,0x88880088,0x8d8d008d,
|
|---|
| 410 | 0x72720072,0xb9b900b9,0xf8f800f8,0xacac00ac,
|
|---|
| 411 | 0x36360036,0x2a2a002a,0x3c3c003c,0xf1f100f1,
|
|---|
| 412 | 0x40400040,0xd3d300d3,0xbbbb00bb,0x43430043,
|
|---|
| 413 | 0x15150015,0xadad00ad,0x77770077,0x80800080,
|
|---|
| 414 | 0x82820082,0xecec00ec,0x27270027,0xe5e500e5,
|
|---|
| 415 | 0x85850085,0x35350035,0x0c0c000c,0x41410041,
|
|---|
| 416 | 0xefef00ef,0x93930093,0x19190019,0x21210021,
|
|---|
| 417 | 0x0e0e000e,0x4e4e004e,0x65650065,0xbdbd00bd,
|
|---|
| 418 | 0xb8b800b8,0x8f8f008f,0xebeb00eb,0xcece00ce,
|
|---|
| 419 | 0x30300030,0x5f5f005f,0xc5c500c5,0x1a1a001a,
|
|---|
| 420 | 0xe1e100e1,0xcaca00ca,0x47470047,0x3d3d003d,
|
|---|
| 421 | 0x01010001,0xd6d600d6,0x56560056,0x4d4d004d,
|
|---|
| 422 | 0x0d0d000d,0x66660066,0xcccc00cc,0x2d2d002d,
|
|---|
| 423 | 0x12120012,0x20200020,0xb1b100b1,0x99990099,
|
|---|
| 424 | 0x4c4c004c,0xc2c200c2,0x7e7e007e,0x05050005,
|
|---|
| 425 | 0xb7b700b7,0x31310031,0x17170017,0xd7d700d7,
|
|---|
| 426 | 0x58580058,0x61610061,0x1b1b001b,0x1c1c001c,
|
|---|
| 427 | 0x0f0f000f,0x16160016,0x18180018,0x22220022,
|
|---|
| 428 | 0x44440044,0xb2b200b2,0xb5b500b5,0x91910091,
|
|---|
| 429 | 0x08080008,0xa8a800a8,0xfcfc00fc,0x50500050,
|
|---|
| 430 | 0xd0d000d0,0x7d7d007d,0x89890089,0x97970097,
|
|---|
| 431 | 0x5b5b005b,0x95950095,0xffff00ff,0xd2d200d2,
|
|---|
| 432 | 0xc4c400c4,0x48480048,0xf7f700f7,0xdbdb00db,
|
|---|
| 433 | 0x03030003,0xdada00da,0x3f3f003f,0x94940094,
|
|---|
| 434 | 0x5c5c005c,0x02020002,0x4a4a004a,0x33330033,
|
|---|
| 435 | 0x67670067,0xf3f300f3,0x7f7f007f,0xe2e200e2,
|
|---|
| 436 | 0x9b9b009b,0x26260026,0x37370037,0x3b3b003b,
|
|---|
| 437 | 0x96960096,0x4b4b004b,0xbebe00be,0x2e2e002e,
|
|---|
| 438 | 0x79790079,0x8c8c008c,0x6e6e006e,0x8e8e008e,
|
|---|
| 439 | 0xf5f500f5,0xb6b600b6,0xfdfd00fd,0x59590059,
|
|---|
| 440 | 0x98980098,0x6a6a006a,0x46460046,0xbaba00ba,
|
|---|
| 441 | 0x25250025,0x42420042,0xa2a200a2,0xfafa00fa,
|
|---|
| 442 | 0x07070007,0x55550055,0xeeee00ee,0x0a0a000a,
|
|---|
| 443 | 0x49490049,0x68680068,0x38380038,0xa4a400a4,
|
|---|
| 444 | 0x28280028,0x7b7b007b,0xc9c900c9,0xc1c100c1,
|
|---|
| 445 | 0xe3e300e3,0xf4f400f4,0xc7c700c7,0x9e9e009e,
|
|---|
| 446 | };
|
|---|
| 447 |
|
|---|
| 448 |
|
|---|
| 449 | /**
|
|---|
| 450 | * Stuff related to the Camellia key schedule
|
|---|
| 451 | */
|
|---|
| 452 | #define subl(x) subL[(x)]
|
|---|
| 453 | #define subr(x) subR[(x)]
|
|---|
| 454 |
|
|---|
| 455 | static void camellia_setup128(const unsigned char *key, u32 *subkey)
|
|---|
| 456 | {
|
|---|
| 457 | u32 kll, klr, krl, krr;
|
|---|
| 458 | u32 il, ir, t0, t1, w0, w1;
|
|---|
| 459 | u32 kw4l, kw4r, dw, tl, tr;
|
|---|
| 460 | u32 subL[26];
|
|---|
| 461 | u32 subR[26];
|
|---|
| 462 |
|
|---|
| 463 | /**
|
|---|
| 464 | * k == kll || klr || krl || krr (|| is concatination)
|
|---|
| 465 | */
|
|---|
| 466 | kll = GETU32(key );
|
|---|
| 467 | klr = GETU32(key + 4);
|
|---|
| 468 | krl = GETU32(key + 8);
|
|---|
| 469 | krr = GETU32(key + 12);
|
|---|
| 470 | /**
|
|---|
| 471 | * generate KL dependent subkeys
|
|---|
| 472 | */
|
|---|
| 473 | subl(0) = kll; subr(0) = klr;
|
|---|
| 474 | subl(1) = krl; subr(1) = krr;
|
|---|
| 475 | CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15);
|
|---|
| 476 | subl(4) = kll; subr(4) = klr;
|
|---|
| 477 | subl(5) = krl; subr(5) = krr;
|
|---|
| 478 | CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 30);
|
|---|
| 479 | subl(10) = kll; subr(10) = klr;
|
|---|
| 480 | subl(11) = krl; subr(11) = krr;
|
|---|
| 481 | CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15);
|
|---|
| 482 | subl(13) = krl; subr(13) = krr;
|
|---|
| 483 | CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 17);
|
|---|
| 484 | subl(16) = kll; subr(16) = klr;
|
|---|
| 485 | subl(17) = krl; subr(17) = krr;
|
|---|
| 486 | CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 17);
|
|---|
| 487 | subl(18) = kll; subr(18) = klr;
|
|---|
| 488 | subl(19) = krl; subr(19) = krr;
|
|---|
| 489 | CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 17);
|
|---|
| 490 | subl(22) = kll; subr(22) = klr;
|
|---|
| 491 | subl(23) = krl; subr(23) = krr;
|
|---|
| 492 |
|
|---|
| 493 | /* generate KA */
|
|---|
| 494 | kll = subl(0); klr = subr(0);
|
|---|
| 495 | krl = subl(1); krr = subr(1);
|
|---|
| 496 | CAMELLIA_F(kll, klr,
|
|---|
| 497 | CAMELLIA_SIGMA1L, CAMELLIA_SIGMA1R,
|
|---|
| 498 | w0, w1, il, ir, t0, t1);
|
|---|
| 499 | krl ^= w0; krr ^= w1;
|
|---|
| 500 | CAMELLIA_F(krl, krr,
|
|---|
| 501 | CAMELLIA_SIGMA2L, CAMELLIA_SIGMA2R,
|
|---|
| 502 | kll, klr, il, ir, t0, t1);
|
|---|
| 503 | CAMELLIA_F(kll, klr,
|
|---|
| 504 | CAMELLIA_SIGMA3L, CAMELLIA_SIGMA3R,
|
|---|
| 505 | krl, krr, il, ir, t0, t1);
|
|---|
| 506 | krl ^= w0; krr ^= w1;
|
|---|
| 507 | CAMELLIA_F(krl, krr,
|
|---|
| 508 | CAMELLIA_SIGMA4L, CAMELLIA_SIGMA4R,
|
|---|
| 509 | w0, w1, il, ir, t0, t1);
|
|---|
| 510 | kll ^= w0; klr ^= w1;
|
|---|
| 511 |
|
|---|
| 512 | /* generate KA dependent subkeys */
|
|---|
| 513 | subl(2) = kll; subr(2) = klr;
|
|---|
| 514 | subl(3) = krl; subr(3) = krr;
|
|---|
| 515 | CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15);
|
|---|
| 516 | subl(6) = kll; subr(6) = klr;
|
|---|
| 517 | subl(7) = krl; subr(7) = krr;
|
|---|
| 518 | CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15);
|
|---|
| 519 | subl(8) = kll; subr(8) = klr;
|
|---|
| 520 | subl(9) = krl; subr(9) = krr;
|
|---|
| 521 | CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15);
|
|---|
| 522 | subl(12) = kll; subr(12) = klr;
|
|---|
| 523 | CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15);
|
|---|
| 524 | subl(14) = kll; subr(14) = klr;
|
|---|
| 525 | subl(15) = krl; subr(15) = krr;
|
|---|
| 526 | CAMELLIA_ROLDQo32(kll, klr, krl, krr, w0, w1, 34);
|
|---|
| 527 | subl(20) = kll; subr(20) = klr;
|
|---|
| 528 | subl(21) = krl; subr(21) = krr;
|
|---|
| 529 | CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 17);
|
|---|
| 530 | subl(24) = kll; subr(24) = klr;
|
|---|
| 531 | subl(25) = krl; subr(25) = krr;
|
|---|
| 532 |
|
|---|
| 533 |
|
|---|
| 534 | /* absorb kw2 to other subkeys */
|
|---|
| 535 | subl(3) ^= subl(1); subr(3) ^= subr(1);
|
|---|
| 536 | subl(5) ^= subl(1); subr(5) ^= subr(1);
|
|---|
| 537 | subl(7) ^= subl(1); subr(7) ^= subr(1);
|
|---|
| 538 | subl(1) ^= subr(1) & ~subr(9);
|
|---|
| 539 | dw = subl(1) & subl(9), subr(1) ^= CAMELLIA_RL1(dw);
|
|---|
| 540 | subl(11) ^= subl(1); subr(11) ^= subr(1);
|
|---|
| 541 | subl(13) ^= subl(1); subr(13) ^= subr(1);
|
|---|
| 542 | subl(15) ^= subl(1); subr(15) ^= subr(1);
|
|---|
| 543 | subl(1) ^= subr(1) & ~subr(17);
|
|---|
| 544 | dw = subl(1) & subl(17), subr(1) ^= CAMELLIA_RL1(dw);
|
|---|
| 545 | subl(19) ^= subl(1); subr(19) ^= subr(1);
|
|---|
| 546 | subl(21) ^= subl(1); subr(21) ^= subr(1);
|
|---|
| 547 | subl(23) ^= subl(1); subr(23) ^= subr(1);
|
|---|
| 548 | subl(24) ^= subl(1); subr(24) ^= subr(1);
|
|---|
| 549 |
|
|---|
| 550 | /* absorb kw4 to other subkeys */
|
|---|
| 551 | kw4l = subl(25); kw4r = subr(25);
|
|---|
| 552 | subl(22) ^= kw4l; subr(22) ^= kw4r;
|
|---|
| 553 | subl(20) ^= kw4l; subr(20) ^= kw4r;
|
|---|
| 554 | subl(18) ^= kw4l; subr(18) ^= kw4r;
|
|---|
| 555 | kw4l ^= kw4r & ~subr(16);
|
|---|
| 556 | dw = kw4l & subl(16), kw4r ^= CAMELLIA_RL1(dw);
|
|---|
| 557 | subl(14) ^= kw4l; subr(14) ^= kw4r;
|
|---|
| 558 | subl(12) ^= kw4l; subr(12) ^= kw4r;
|
|---|
| 559 | subl(10) ^= kw4l; subr(10) ^= kw4r;
|
|---|
| 560 | kw4l ^= kw4r & ~subr(8);
|
|---|
| 561 | dw = kw4l & subl(8), kw4r ^= CAMELLIA_RL1(dw);
|
|---|
| 562 | subl(6) ^= kw4l; subr(6) ^= kw4r;
|
|---|
| 563 | subl(4) ^= kw4l; subr(4) ^= kw4r;
|
|---|
| 564 | subl(2) ^= kw4l; subr(2) ^= kw4r;
|
|---|
| 565 | subl(0) ^= kw4l; subr(0) ^= kw4r;
|
|---|
| 566 |
|
|---|
| 567 | /* key XOR is end of F-function */
|
|---|
| 568 | CamelliaSubkeyL(0) = subl(0) ^ subl(2);
|
|---|
| 569 | CamelliaSubkeyR(0) = subr(0) ^ subr(2);
|
|---|
| 570 | CamelliaSubkeyL(2) = subl(3);
|
|---|
| 571 | CamelliaSubkeyR(2) = subr(3);
|
|---|
| 572 | CamelliaSubkeyL(3) = subl(2) ^ subl(4);
|
|---|
| 573 | CamelliaSubkeyR(3) = subr(2) ^ subr(4);
|
|---|
| 574 | CamelliaSubkeyL(4) = subl(3) ^ subl(5);
|
|---|
| 575 | CamelliaSubkeyR(4) = subr(3) ^ subr(5);
|
|---|
| 576 | CamelliaSubkeyL(5) = subl(4) ^ subl(6);
|
|---|
| 577 | CamelliaSubkeyR(5) = subr(4) ^ subr(6);
|
|---|
| 578 | CamelliaSubkeyL(6) = subl(5) ^ subl(7);
|
|---|
| 579 | CamelliaSubkeyR(6) = subr(5) ^ subr(7);
|
|---|
| 580 | tl = subl(10) ^ (subr(10) & ~subr(8));
|
|---|
| 581 | dw = tl & subl(8), tr = subr(10) ^ CAMELLIA_RL1(dw);
|
|---|
| 582 | CamelliaSubkeyL(7) = subl(6) ^ tl;
|
|---|
| 583 | CamelliaSubkeyR(7) = subr(6) ^ tr;
|
|---|
| 584 | CamelliaSubkeyL(8) = subl(8);
|
|---|
| 585 | CamelliaSubkeyR(8) = subr(8);
|
|---|
| 586 | CamelliaSubkeyL(9) = subl(9);
|
|---|
| 587 | CamelliaSubkeyR(9) = subr(9);
|
|---|
| 588 | tl = subl(7) ^ (subr(7) & ~subr(9));
|
|---|
| 589 | dw = tl & subl(9), tr = subr(7) ^ CAMELLIA_RL1(dw);
|
|---|
| 590 | CamelliaSubkeyL(10) = tl ^ subl(11);
|
|---|
| 591 | CamelliaSubkeyR(10) = tr ^ subr(11);
|
|---|
| 592 | CamelliaSubkeyL(11) = subl(10) ^ subl(12);
|
|---|
| 593 | CamelliaSubkeyR(11) = subr(10) ^ subr(12);
|
|---|
| 594 | CamelliaSubkeyL(12) = subl(11) ^ subl(13);
|
|---|
| 595 | CamelliaSubkeyR(12) = subr(11) ^ subr(13);
|
|---|
| 596 | CamelliaSubkeyL(13) = subl(12) ^ subl(14);
|
|---|
| 597 | CamelliaSubkeyR(13) = subr(12) ^ subr(14);
|
|---|
| 598 | CamelliaSubkeyL(14) = subl(13) ^ subl(15);
|
|---|
| 599 | CamelliaSubkeyR(14) = subr(13) ^ subr(15);
|
|---|
| 600 | tl = subl(18) ^ (subr(18) & ~subr(16));
|
|---|
| 601 | dw = tl & subl(16), tr = subr(18) ^ CAMELLIA_RL1(dw);
|
|---|
| 602 | CamelliaSubkeyL(15) = subl(14) ^ tl;
|
|---|
| 603 | CamelliaSubkeyR(15) = subr(14) ^ tr;
|
|---|
| 604 | CamelliaSubkeyL(16) = subl(16);
|
|---|
| 605 | CamelliaSubkeyR(16) = subr(16);
|
|---|
| 606 | CamelliaSubkeyL(17) = subl(17);
|
|---|
| 607 | CamelliaSubkeyR(17) = subr(17);
|
|---|
| 608 | tl = subl(15) ^ (subr(15) & ~subr(17));
|
|---|
| 609 | dw = tl & subl(17), tr = subr(15) ^ CAMELLIA_RL1(dw);
|
|---|
| 610 | CamelliaSubkeyL(18) = tl ^ subl(19);
|
|---|
| 611 | CamelliaSubkeyR(18) = tr ^ subr(19);
|
|---|
| 612 | CamelliaSubkeyL(19) = subl(18) ^ subl(20);
|
|---|
| 613 | CamelliaSubkeyR(19) = subr(18) ^ subr(20);
|
|---|
| 614 | CamelliaSubkeyL(20) = subl(19) ^ subl(21);
|
|---|
| 615 | CamelliaSubkeyR(20) = subr(19) ^ subr(21);
|
|---|
| 616 | CamelliaSubkeyL(21) = subl(20) ^ subl(22);
|
|---|
| 617 | CamelliaSubkeyR(21) = subr(20) ^ subr(22);
|
|---|
| 618 | CamelliaSubkeyL(22) = subl(21) ^ subl(23);
|
|---|
| 619 | CamelliaSubkeyR(22) = subr(21) ^ subr(23);
|
|---|
| 620 | CamelliaSubkeyL(23) = subl(22);
|
|---|
| 621 | CamelliaSubkeyR(23) = subr(22);
|
|---|
| 622 | CamelliaSubkeyL(24) = subl(24) ^ subl(23);
|
|---|
| 623 | CamelliaSubkeyR(24) = subr(24) ^ subr(23);
|
|---|
| 624 |
|
|---|
| 625 | /* apply the inverse of the last half of P-function */
|
|---|
| 626 | dw = CamelliaSubkeyL(2) ^ CamelliaSubkeyR(2), dw = CAMELLIA_RL8(dw);
|
|---|
| 627 | CamelliaSubkeyR(2) = CamelliaSubkeyL(2) ^ dw, CamelliaSubkeyL(2) = dw;
|
|---|
| 628 | dw = CamelliaSubkeyL(3) ^ CamelliaSubkeyR(3), dw = CAMELLIA_RL8(dw);
|
|---|
| 629 | CamelliaSubkeyR(3) = CamelliaSubkeyL(3) ^ dw, CamelliaSubkeyL(3) = dw;
|
|---|
| 630 | dw = CamelliaSubkeyL(4) ^ CamelliaSubkeyR(4), dw = CAMELLIA_RL8(dw);
|
|---|
| 631 | CamelliaSubkeyR(4) = CamelliaSubkeyL(4) ^ dw, CamelliaSubkeyL(4) = dw;
|
|---|
| 632 | dw = CamelliaSubkeyL(5) ^ CamelliaSubkeyR(5), dw = CAMELLIA_RL8(dw);
|
|---|
| 633 | CamelliaSubkeyR(5) = CamelliaSubkeyL(5) ^ dw, CamelliaSubkeyL(5) = dw;
|
|---|
| 634 | dw = CamelliaSubkeyL(6) ^ CamelliaSubkeyR(6), dw = CAMELLIA_RL8(dw);
|
|---|
| 635 | CamelliaSubkeyR(6) = CamelliaSubkeyL(6) ^ dw, CamelliaSubkeyL(6) = dw;
|
|---|
| 636 | dw = CamelliaSubkeyL(7) ^ CamelliaSubkeyR(7), dw = CAMELLIA_RL8(dw);
|
|---|
| 637 | CamelliaSubkeyR(7) = CamelliaSubkeyL(7) ^ dw, CamelliaSubkeyL(7) = dw;
|
|---|
| 638 | dw = CamelliaSubkeyL(10) ^ CamelliaSubkeyR(10), dw = CAMELLIA_RL8(dw);
|
|---|
| 639 | CamelliaSubkeyR(10) = CamelliaSubkeyL(10) ^ dw, CamelliaSubkeyL(10) = dw;
|
|---|
| 640 | dw = CamelliaSubkeyL(11) ^ CamelliaSubkeyR(11), dw = CAMELLIA_RL8(dw);
|
|---|
| 641 | CamelliaSubkeyR(11) = CamelliaSubkeyL(11) ^ dw, CamelliaSubkeyL(11) = dw;
|
|---|
| 642 | dw = CamelliaSubkeyL(12) ^ CamelliaSubkeyR(12), dw = CAMELLIA_RL8(dw);
|
|---|
| 643 | CamelliaSubkeyR(12) = CamelliaSubkeyL(12) ^ dw, CamelliaSubkeyL(12) = dw;
|
|---|
| 644 | dw = CamelliaSubkeyL(13) ^ CamelliaSubkeyR(13), dw = CAMELLIA_RL8(dw);
|
|---|
| 645 | CamelliaSubkeyR(13) = CamelliaSubkeyL(13) ^ dw, CamelliaSubkeyL(13) = dw;
|
|---|
| 646 | dw = CamelliaSubkeyL(14) ^ CamelliaSubkeyR(14), dw = CAMELLIA_RL8(dw);
|
|---|
| 647 | CamelliaSubkeyR(14) = CamelliaSubkeyL(14) ^ dw, CamelliaSubkeyL(14) = dw;
|
|---|
| 648 | dw = CamelliaSubkeyL(15) ^ CamelliaSubkeyR(15), dw = CAMELLIA_RL8(dw);
|
|---|
| 649 | CamelliaSubkeyR(15) = CamelliaSubkeyL(15) ^ dw, CamelliaSubkeyL(15) = dw;
|
|---|
| 650 | dw = CamelliaSubkeyL(18) ^ CamelliaSubkeyR(18), dw = CAMELLIA_RL8(dw);
|
|---|
| 651 | CamelliaSubkeyR(18) = CamelliaSubkeyL(18) ^ dw, CamelliaSubkeyL(18) = dw;
|
|---|
| 652 | dw = CamelliaSubkeyL(19) ^ CamelliaSubkeyR(19), dw = CAMELLIA_RL8(dw);
|
|---|
| 653 | CamelliaSubkeyR(19) = CamelliaSubkeyL(19) ^ dw, CamelliaSubkeyL(19) = dw;
|
|---|
| 654 | dw = CamelliaSubkeyL(20) ^ CamelliaSubkeyR(20), dw = CAMELLIA_RL8(dw);
|
|---|
| 655 | CamelliaSubkeyR(20) = CamelliaSubkeyL(20) ^ dw, CamelliaSubkeyL(20) = dw;
|
|---|
| 656 | dw = CamelliaSubkeyL(21) ^ CamelliaSubkeyR(21), dw = CAMELLIA_RL8(dw);
|
|---|
| 657 | CamelliaSubkeyR(21) = CamelliaSubkeyL(21) ^ dw, CamelliaSubkeyL(21) = dw;
|
|---|
| 658 | dw = CamelliaSubkeyL(22) ^ CamelliaSubkeyR(22), dw = CAMELLIA_RL8(dw);
|
|---|
| 659 | CamelliaSubkeyR(22) = CamelliaSubkeyL(22) ^ dw, CamelliaSubkeyL(22) = dw;
|
|---|
| 660 | dw = CamelliaSubkeyL(23) ^ CamelliaSubkeyR(23), dw = CAMELLIA_RL8(dw);
|
|---|
| 661 | CamelliaSubkeyR(23) = CamelliaSubkeyL(23) ^ dw, CamelliaSubkeyL(23) = dw;
|
|---|
| 662 |
|
|---|
| 663 | return;
|
|---|
| 664 | }
|
|---|
| 665 |
|
|---|
| 666 | static void camellia_setup256(const unsigned char *key, u32 *subkey)
|
|---|
| 667 | {
|
|---|
| 668 | u32 kll,klr,krl,krr; /* left half of key */
|
|---|
| 669 | u32 krll,krlr,krrl,krrr; /* right half of key */
|
|---|
| 670 | u32 il, ir, t0, t1, w0, w1; /* temporary variables */
|
|---|
| 671 | u32 kw4l, kw4r, dw, tl, tr;
|
|---|
| 672 | u32 subL[34];
|
|---|
| 673 | u32 subR[34];
|
|---|
| 674 |
|
|---|
| 675 | /**
|
|---|
| 676 | * key = (kll || klr || krl || krr || krll || krlr || krrl || krrr)
|
|---|
| 677 | * (|| is concatination)
|
|---|
| 678 | */
|
|---|
| 679 |
|
|---|
| 680 | kll = GETU32(key );
|
|---|
| 681 | klr = GETU32(key + 4);
|
|---|
| 682 | krl = GETU32(key + 8);
|
|---|
| 683 | krr = GETU32(key + 12);
|
|---|
| 684 | krll = GETU32(key + 16);
|
|---|
| 685 | krlr = GETU32(key + 20);
|
|---|
| 686 | krrl = GETU32(key + 24);
|
|---|
| 687 | krrr = GETU32(key + 28);
|
|---|
| 688 |
|
|---|
| 689 | /* generate KL dependent subkeys */
|
|---|
| 690 | subl(0) = kll; subr(0) = klr;
|
|---|
| 691 | subl(1) = krl; subr(1) = krr;
|
|---|
| 692 | CAMELLIA_ROLDQo32(kll, klr, krl, krr, w0, w1, 45);
|
|---|
| 693 | subl(12) = kll; subr(12) = klr;
|
|---|
| 694 | subl(13) = krl; subr(13) = krr;
|
|---|
| 695 | CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15);
|
|---|
| 696 | subl(16) = kll; subr(16) = klr;
|
|---|
| 697 | subl(17) = krl; subr(17) = krr;
|
|---|
| 698 | CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 17);
|
|---|
| 699 | subl(22) = kll; subr(22) = klr;
|
|---|
| 700 | subl(23) = krl; subr(23) = krr;
|
|---|
| 701 | CAMELLIA_ROLDQo32(kll, klr, krl, krr, w0, w1, 34);
|
|---|
| 702 | subl(30) = kll; subr(30) = klr;
|
|---|
| 703 | subl(31) = krl; subr(31) = krr;
|
|---|
| 704 |
|
|---|
| 705 | /* generate KR dependent subkeys */
|
|---|
| 706 | CAMELLIA_ROLDQ(krll, krlr, krrl, krrr, w0, w1, 15);
|
|---|
| 707 | subl(4) = krll; subr(4) = krlr;
|
|---|
| 708 | subl(5) = krrl; subr(5) = krrr;
|
|---|
| 709 | CAMELLIA_ROLDQ(krll, krlr, krrl, krrr, w0, w1, 15);
|
|---|
| 710 | subl(8) = krll; subr(8) = krlr;
|
|---|
| 711 | subl(9) = krrl; subr(9) = krrr;
|
|---|
| 712 | CAMELLIA_ROLDQ(krll, krlr, krrl, krrr, w0, w1, 30);
|
|---|
| 713 | subl(18) = krll; subr(18) = krlr;
|
|---|
| 714 | subl(19) = krrl; subr(19) = krrr;
|
|---|
| 715 | CAMELLIA_ROLDQo32(krll, krlr, krrl, krrr, w0, w1, 34);
|
|---|
| 716 | subl(26) = krll; subr(26) = krlr;
|
|---|
| 717 | subl(27) = krrl; subr(27) = krrr;
|
|---|
| 718 | CAMELLIA_ROLDQo32(krll, krlr, krrl, krrr, w0, w1, 34);
|
|---|
| 719 |
|
|---|
| 720 | /* generate KA */
|
|---|
| 721 | kll = subl(0) ^ krll; klr = subr(0) ^ krlr;
|
|---|
| 722 | krl = subl(1) ^ krrl; krr = subr(1) ^ krrr;
|
|---|
| 723 | CAMELLIA_F(kll, klr,
|
|---|
| 724 | CAMELLIA_SIGMA1L, CAMELLIA_SIGMA1R,
|
|---|
| 725 | w0, w1, il, ir, t0, t1);
|
|---|
| 726 | krl ^= w0; krr ^= w1;
|
|---|
| 727 | CAMELLIA_F(krl, krr,
|
|---|
| 728 | CAMELLIA_SIGMA2L, CAMELLIA_SIGMA2R,
|
|---|
| 729 | kll, klr, il, ir, t0, t1);
|
|---|
| 730 | kll ^= krll; klr ^= krlr;
|
|---|
| 731 | CAMELLIA_F(kll, klr,
|
|---|
| 732 | CAMELLIA_SIGMA3L, CAMELLIA_SIGMA3R,
|
|---|
| 733 | krl, krr, il, ir, t0, t1);
|
|---|
| 734 | krl ^= w0 ^ krrl; krr ^= w1 ^ krrr;
|
|---|
| 735 | CAMELLIA_F(krl, krr,
|
|---|
| 736 | CAMELLIA_SIGMA4L, CAMELLIA_SIGMA4R,
|
|---|
| 737 | w0, w1, il, ir, t0, t1);
|
|---|
| 738 | kll ^= w0; klr ^= w1;
|
|---|
| 739 |
|
|---|
| 740 | /* generate KB */
|
|---|
| 741 | krll ^= kll; krlr ^= klr;
|
|---|
| 742 | krrl ^= krl; krrr ^= krr;
|
|---|
| 743 | CAMELLIA_F(krll, krlr,
|
|---|
| 744 | CAMELLIA_SIGMA5L, CAMELLIA_SIGMA5R,
|
|---|
| 745 | w0, w1, il, ir, t0, t1);
|
|---|
| 746 | krrl ^= w0; krrr ^= w1;
|
|---|
| 747 | CAMELLIA_F(krrl, krrr,
|
|---|
| 748 | CAMELLIA_SIGMA6L, CAMELLIA_SIGMA6R,
|
|---|
| 749 | w0, w1, il, ir, t0, t1);
|
|---|
| 750 | krll ^= w0; krlr ^= w1;
|
|---|
| 751 |
|
|---|
| 752 | /* generate KA dependent subkeys */
|
|---|
| 753 | CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15);
|
|---|
| 754 | subl(6) = kll; subr(6) = klr;
|
|---|
| 755 | subl(7) = krl; subr(7) = krr;
|
|---|
| 756 | CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 30);
|
|---|
| 757 | subl(14) = kll; subr(14) = klr;
|
|---|
| 758 | subl(15) = krl; subr(15) = krr;
|
|---|
| 759 | subl(24) = klr; subr(24) = krl;
|
|---|
| 760 | subl(25) = krr; subr(25) = kll;
|
|---|
| 761 | CAMELLIA_ROLDQo32(kll, klr, krl, krr, w0, w1, 49);
|
|---|
| 762 | subl(28) = kll; subr(28) = klr;
|
|---|
| 763 | subl(29) = krl; subr(29) = krr;
|
|---|
| 764 |
|
|---|
| 765 | /* generate KB dependent subkeys */
|
|---|
| 766 | subl(2) = krll; subr(2) = krlr;
|
|---|
| 767 | subl(3) = krrl; subr(3) = krrr;
|
|---|
| 768 | CAMELLIA_ROLDQ(krll, krlr, krrl, krrr, w0, w1, 30);
|
|---|
| 769 | subl(10) = krll; subr(10) = krlr;
|
|---|
| 770 | subl(11) = krrl; subr(11) = krrr;
|
|---|
| 771 | CAMELLIA_ROLDQ(krll, krlr, krrl, krrr, w0, w1, 30);
|
|---|
| 772 | subl(20) = krll; subr(20) = krlr;
|
|---|
| 773 | subl(21) = krrl; subr(21) = krrr;
|
|---|
| 774 | CAMELLIA_ROLDQo32(krll, krlr, krrl, krrr, w0, w1, 51);
|
|---|
| 775 | subl(32) = krll; subr(32) = krlr;
|
|---|
| 776 | subl(33) = krrl; subr(33) = krrr;
|
|---|
| 777 |
|
|---|
| 778 | /* absorb kw2 to other subkeys */
|
|---|
| 779 | subl(3) ^= subl(1); subr(3) ^= subr(1);
|
|---|
| 780 | subl(5) ^= subl(1); subr(5) ^= subr(1);
|
|---|
| 781 | subl(7) ^= subl(1); subr(7) ^= subr(1);
|
|---|
| 782 | subl(1) ^= subr(1) & ~subr(9);
|
|---|
| 783 | dw = subl(1) & subl(9), subr(1) ^= CAMELLIA_RL1(dw);
|
|---|
| 784 | subl(11) ^= subl(1); subr(11) ^= subr(1);
|
|---|
| 785 | subl(13) ^= subl(1); subr(13) ^= subr(1);
|
|---|
| 786 | subl(15) ^= subl(1); subr(15) ^= subr(1);
|
|---|
| 787 | subl(1) ^= subr(1) & ~subr(17);
|
|---|
| 788 | dw = subl(1) & subl(17), subr(1) ^= CAMELLIA_RL1(dw);
|
|---|
| 789 | subl(19) ^= subl(1); subr(19) ^= subr(1);
|
|---|
| 790 | subl(21) ^= subl(1); subr(21) ^= subr(1);
|
|---|
| 791 | subl(23) ^= subl(1); subr(23) ^= subr(1);
|
|---|
| 792 | subl(1) ^= subr(1) & ~subr(25);
|
|---|
| 793 | dw = subl(1) & subl(25), subr(1) ^= CAMELLIA_RL1(dw);
|
|---|
| 794 | subl(27) ^= subl(1); subr(27) ^= subr(1);
|
|---|
| 795 | subl(29) ^= subl(1); subr(29) ^= subr(1);
|
|---|
| 796 | subl(31) ^= subl(1); subr(31) ^= subr(1);
|
|---|
| 797 | subl(32) ^= subl(1); subr(32) ^= subr(1);
|
|---|
| 798 |
|
|---|
| 799 | /* absorb kw4 to other subkeys */
|
|---|
| 800 | kw4l = subl(33); kw4r = subr(33);
|
|---|
| 801 | subl(30) ^= kw4l; subr(30) ^= kw4r;
|
|---|
| 802 | subl(28) ^= kw4l; subr(28) ^= kw4r;
|
|---|
| 803 | subl(26) ^= kw4l; subr(26) ^= kw4r;
|
|---|
| 804 | kw4l ^= kw4r & ~subr(24);
|
|---|
| 805 | dw = kw4l & subl(24), kw4r ^= CAMELLIA_RL1(dw);
|
|---|
| 806 | subl(22) ^= kw4l; subr(22) ^= kw4r;
|
|---|
| 807 | subl(20) ^= kw4l; subr(20) ^= kw4r;
|
|---|
| 808 | subl(18) ^= kw4l; subr(18) ^= kw4r;
|
|---|
| 809 | kw4l ^= kw4r & ~subr(16);
|
|---|
| 810 | dw = kw4l & subl(16), kw4r ^= CAMELLIA_RL1(dw);
|
|---|
| 811 | subl(14) ^= kw4l; subr(14) ^= kw4r;
|
|---|
| 812 | subl(12) ^= kw4l; subr(12) ^= kw4r;
|
|---|
| 813 | subl(10) ^= kw4l; subr(10) ^= kw4r;
|
|---|
| 814 | kw4l ^= kw4r & ~subr(8);
|
|---|
| 815 | dw = kw4l & subl(8), kw4r ^= CAMELLIA_RL1(dw);
|
|---|
| 816 | subl(6) ^= kw4l; subr(6) ^= kw4r;
|
|---|
| 817 | subl(4) ^= kw4l; subr(4) ^= kw4r;
|
|---|
| 818 | subl(2) ^= kw4l; subr(2) ^= kw4r;
|
|---|
| 819 | subl(0) ^= kw4l; subr(0) ^= kw4r;
|
|---|
| 820 |
|
|---|
| 821 | /* key XOR is end of F-function */
|
|---|
| 822 | CamelliaSubkeyL(0) = subl(0) ^ subl(2);
|
|---|
| 823 | CamelliaSubkeyR(0) = subr(0) ^ subr(2);
|
|---|
| 824 | CamelliaSubkeyL(2) = subl(3);
|
|---|
| 825 | CamelliaSubkeyR(2) = subr(3);
|
|---|
| 826 | CamelliaSubkeyL(3) = subl(2) ^ subl(4);
|
|---|
| 827 | CamelliaSubkeyR(3) = subr(2) ^ subr(4);
|
|---|
| 828 | CamelliaSubkeyL(4) = subl(3) ^ subl(5);
|
|---|
| 829 | CamelliaSubkeyR(4) = subr(3) ^ subr(5);
|
|---|
| 830 | CamelliaSubkeyL(5) = subl(4) ^ subl(6);
|
|---|
| 831 | CamelliaSubkeyR(5) = subr(4) ^ subr(6);
|
|---|
| 832 | CamelliaSubkeyL(6) = subl(5) ^ subl(7);
|
|---|
| 833 | CamelliaSubkeyR(6) = subr(5) ^ subr(7);
|
|---|
| 834 | tl = subl(10) ^ (subr(10) & ~subr(8));
|
|---|
| 835 | dw = tl & subl(8), tr = subr(10) ^ CAMELLIA_RL1(dw);
|
|---|
| 836 | CamelliaSubkeyL(7) = subl(6) ^ tl;
|
|---|
| 837 | CamelliaSubkeyR(7) = subr(6) ^ tr;
|
|---|
| 838 | CamelliaSubkeyL(8) = subl(8);
|
|---|
| 839 | CamelliaSubkeyR(8) = subr(8);
|
|---|
| 840 | CamelliaSubkeyL(9) = subl(9);
|
|---|
| 841 | CamelliaSubkeyR(9) = subr(9);
|
|---|
| 842 | tl = subl(7) ^ (subr(7) & ~subr(9));
|
|---|
| 843 | dw = tl & subl(9), tr = subr(7) ^ CAMELLIA_RL1(dw);
|
|---|
| 844 | CamelliaSubkeyL(10) = tl ^ subl(11);
|
|---|
| 845 | CamelliaSubkeyR(10) = tr ^ subr(11);
|
|---|
| 846 | CamelliaSubkeyL(11) = subl(10) ^ subl(12);
|
|---|
| 847 | CamelliaSubkeyR(11) = subr(10) ^ subr(12);
|
|---|
| 848 | CamelliaSubkeyL(12) = subl(11) ^ subl(13);
|
|---|
| 849 | CamelliaSubkeyR(12) = subr(11) ^ subr(13);
|
|---|
| 850 | CamelliaSubkeyL(13) = subl(12) ^ subl(14);
|
|---|
| 851 | CamelliaSubkeyR(13) = subr(12) ^ subr(14);
|
|---|
| 852 | CamelliaSubkeyL(14) = subl(13) ^ subl(15);
|
|---|
| 853 | CamelliaSubkeyR(14) = subr(13) ^ subr(15);
|
|---|
| 854 | tl = subl(18) ^ (subr(18) & ~subr(16));
|
|---|
| 855 | dw = tl & subl(16), tr = subr(18) ^ CAMELLIA_RL1(dw);
|
|---|
| 856 | CamelliaSubkeyL(15) = subl(14) ^ tl;
|
|---|
| 857 | CamelliaSubkeyR(15) = subr(14) ^ tr;
|
|---|
| 858 | CamelliaSubkeyL(16) = subl(16);
|
|---|
| 859 | CamelliaSubkeyR(16) = subr(16);
|
|---|
| 860 | CamelliaSubkeyL(17) = subl(17);
|
|---|
| 861 | CamelliaSubkeyR(17) = subr(17);
|
|---|
| 862 | tl = subl(15) ^ (subr(15) & ~subr(17));
|
|---|
| 863 | dw = tl & subl(17), tr = subr(15) ^ CAMELLIA_RL1(dw);
|
|---|
| 864 | CamelliaSubkeyL(18) = tl ^ subl(19);
|
|---|
| 865 | CamelliaSubkeyR(18) = tr ^ subr(19);
|
|---|
| 866 | CamelliaSubkeyL(19) = subl(18) ^ subl(20);
|
|---|
| 867 | CamelliaSubkeyR(19) = subr(18) ^ subr(20);
|
|---|
| 868 | CamelliaSubkeyL(20) = subl(19) ^ subl(21);
|
|---|
| 869 | CamelliaSubkeyR(20) = subr(19) ^ subr(21);
|
|---|
| 870 | CamelliaSubkeyL(21) = subl(20) ^ subl(22);
|
|---|
| 871 | CamelliaSubkeyR(21) = subr(20) ^ subr(22);
|
|---|
| 872 | CamelliaSubkeyL(22) = subl(21) ^ subl(23);
|
|---|
| 873 | CamelliaSubkeyR(22) = subr(21) ^ subr(23);
|
|---|
| 874 | tl = subl(26) ^ (subr(26) & ~subr(24));
|
|---|
| 875 | dw = tl & subl(24), tr = subr(26) ^ CAMELLIA_RL1(dw);
|
|---|
| 876 | CamelliaSubkeyL(23) = subl(22) ^ tl;
|
|---|
| 877 | CamelliaSubkeyR(23) = subr(22) ^ tr;
|
|---|
| 878 | CamelliaSubkeyL(24) = subl(24);
|
|---|
| 879 | CamelliaSubkeyR(24) = subr(24);
|
|---|
| 880 | CamelliaSubkeyL(25) = subl(25);
|
|---|
| 881 | CamelliaSubkeyR(25) = subr(25);
|
|---|
| 882 | tl = subl(23) ^ (subr(23) & ~subr(25));
|
|---|
| 883 | dw = tl & subl(25), tr = subr(23) ^ CAMELLIA_RL1(dw);
|
|---|
| 884 | CamelliaSubkeyL(26) = tl ^ subl(27);
|
|---|
| 885 | CamelliaSubkeyR(26) = tr ^ subr(27);
|
|---|
| 886 | CamelliaSubkeyL(27) = subl(26) ^ subl(28);
|
|---|
| 887 | CamelliaSubkeyR(27) = subr(26) ^ subr(28);
|
|---|
| 888 | CamelliaSubkeyL(28) = subl(27) ^ subl(29);
|
|---|
| 889 | CamelliaSubkeyR(28) = subr(27) ^ subr(29);
|
|---|
| 890 | CamelliaSubkeyL(29) = subl(28) ^ subl(30);
|
|---|
| 891 | CamelliaSubkeyR(29) = subr(28) ^ subr(30);
|
|---|
| 892 | CamelliaSubkeyL(30) = subl(29) ^ subl(31);
|
|---|
| 893 | CamelliaSubkeyR(30) = subr(29) ^ subr(31);
|
|---|
| 894 | CamelliaSubkeyL(31) = subl(30);
|
|---|
| 895 | CamelliaSubkeyR(31) = subr(30);
|
|---|
| 896 | CamelliaSubkeyL(32) = subl(32) ^ subl(31);
|
|---|
| 897 | CamelliaSubkeyR(32) = subr(32) ^ subr(31);
|
|---|
| 898 |
|
|---|
| 899 | /* apply the inverse of the last half of P-function */
|
|---|
| 900 | dw = CamelliaSubkeyL(2) ^ CamelliaSubkeyR(2), dw = CAMELLIA_RL8(dw);
|
|---|
| 901 | CamelliaSubkeyR(2) = CamelliaSubkeyL(2) ^ dw, CamelliaSubkeyL(2) = dw;
|
|---|
| 902 | dw = CamelliaSubkeyL(3) ^ CamelliaSubkeyR(3), dw = CAMELLIA_RL8(dw);
|
|---|
| 903 | CamelliaSubkeyR(3) = CamelliaSubkeyL(3) ^ dw, CamelliaSubkeyL(3) = dw;
|
|---|
| 904 | dw = CamelliaSubkeyL(4) ^ CamelliaSubkeyR(4), dw = CAMELLIA_RL8(dw);
|
|---|
| 905 | CamelliaSubkeyR(4) = CamelliaSubkeyL(4) ^ dw, CamelliaSubkeyL(4) = dw;
|
|---|
| 906 | dw = CamelliaSubkeyL(5) ^ CamelliaSubkeyR(5), dw = CAMELLIA_RL8(dw);
|
|---|
| 907 | CamelliaSubkeyR(5) = CamelliaSubkeyL(5) ^ dw, CamelliaSubkeyL(5) = dw;
|
|---|
| 908 | dw = CamelliaSubkeyL(6) ^ CamelliaSubkeyR(6), dw = CAMELLIA_RL8(dw);
|
|---|
| 909 | CamelliaSubkeyR(6) = CamelliaSubkeyL(6) ^ dw, CamelliaSubkeyL(6) = dw;
|
|---|
| 910 | dw = CamelliaSubkeyL(7) ^ CamelliaSubkeyR(7), dw = CAMELLIA_RL8(dw);
|
|---|
| 911 | CamelliaSubkeyR(7) = CamelliaSubkeyL(7) ^ dw, CamelliaSubkeyL(7) = dw;
|
|---|
| 912 | dw = CamelliaSubkeyL(10) ^ CamelliaSubkeyR(10), dw = CAMELLIA_RL8(dw);
|
|---|
| 913 | CamelliaSubkeyR(10) = CamelliaSubkeyL(10) ^ dw, CamelliaSubkeyL(10) = dw;
|
|---|
| 914 | dw = CamelliaSubkeyL(11) ^ CamelliaSubkeyR(11), dw = CAMELLIA_RL8(dw);
|
|---|
| 915 | CamelliaSubkeyR(11) = CamelliaSubkeyL(11) ^ dw, CamelliaSubkeyL(11) = dw;
|
|---|
| 916 | dw = CamelliaSubkeyL(12) ^ CamelliaSubkeyR(12), dw = CAMELLIA_RL8(dw);
|
|---|
| 917 | CamelliaSubkeyR(12) = CamelliaSubkeyL(12) ^ dw, CamelliaSubkeyL(12) = dw;
|
|---|
| 918 | dw = CamelliaSubkeyL(13) ^ CamelliaSubkeyR(13), dw = CAMELLIA_RL8(dw);
|
|---|
| 919 | CamelliaSubkeyR(13) = CamelliaSubkeyL(13) ^ dw, CamelliaSubkeyL(13) = dw;
|
|---|
| 920 | dw = CamelliaSubkeyL(14) ^ CamelliaSubkeyR(14), dw = CAMELLIA_RL8(dw);
|
|---|
| 921 | CamelliaSubkeyR(14) = CamelliaSubkeyL(14) ^ dw, CamelliaSubkeyL(14) = dw;
|
|---|
| 922 | dw = CamelliaSubkeyL(15) ^ CamelliaSubkeyR(15), dw = CAMELLIA_RL8(dw);
|
|---|
| 923 | CamelliaSubkeyR(15) = CamelliaSubkeyL(15) ^ dw, CamelliaSubkeyL(15) = dw;
|
|---|
| 924 | dw = CamelliaSubkeyL(18) ^ CamelliaSubkeyR(18), dw = CAMELLIA_RL8(dw);
|
|---|
| 925 | CamelliaSubkeyR(18) = CamelliaSubkeyL(18) ^ dw, CamelliaSubkeyL(18) = dw;
|
|---|
| 926 | dw = CamelliaSubkeyL(19) ^ CamelliaSubkeyR(19), dw = CAMELLIA_RL8(dw);
|
|---|
| 927 | CamelliaSubkeyR(19) = CamelliaSubkeyL(19) ^ dw, CamelliaSubkeyL(19) = dw;
|
|---|
| 928 | dw = CamelliaSubkeyL(20) ^ CamelliaSubkeyR(20), dw = CAMELLIA_RL8(dw);
|
|---|
| 929 | CamelliaSubkeyR(20) = CamelliaSubkeyL(20) ^ dw, CamelliaSubkeyL(20) = dw;
|
|---|
| 930 | dw = CamelliaSubkeyL(21) ^ CamelliaSubkeyR(21), dw = CAMELLIA_RL8(dw);
|
|---|
| 931 | CamelliaSubkeyR(21) = CamelliaSubkeyL(21) ^ dw, CamelliaSubkeyL(21) = dw;
|
|---|
| 932 | dw = CamelliaSubkeyL(22) ^ CamelliaSubkeyR(22), dw = CAMELLIA_RL8(dw);
|
|---|
| 933 | CamelliaSubkeyR(22) = CamelliaSubkeyL(22) ^ dw, CamelliaSubkeyL(22) = dw;
|
|---|
| 934 | dw = CamelliaSubkeyL(23) ^ CamelliaSubkeyR(23), dw = CAMELLIA_RL8(dw);
|
|---|
| 935 | CamelliaSubkeyR(23) = CamelliaSubkeyL(23) ^ dw, CamelliaSubkeyL(23) = dw;
|
|---|
| 936 | dw = CamelliaSubkeyL(26) ^ CamelliaSubkeyR(26), dw = CAMELLIA_RL8(dw);
|
|---|
| 937 | CamelliaSubkeyR(26) = CamelliaSubkeyL(26) ^ dw, CamelliaSubkeyL(26) = dw;
|
|---|
| 938 | dw = CamelliaSubkeyL(27) ^ CamelliaSubkeyR(27), dw = CAMELLIA_RL8(dw);
|
|---|
| 939 | CamelliaSubkeyR(27) = CamelliaSubkeyL(27) ^ dw, CamelliaSubkeyL(27) = dw;
|
|---|
| 940 | dw = CamelliaSubkeyL(28) ^ CamelliaSubkeyR(28), dw = CAMELLIA_RL8(dw);
|
|---|
| 941 | CamelliaSubkeyR(28) = CamelliaSubkeyL(28) ^ dw, CamelliaSubkeyL(28) = dw;
|
|---|
| 942 | dw = CamelliaSubkeyL(29) ^ CamelliaSubkeyR(29), dw = CAMELLIA_RL8(dw);
|
|---|
| 943 | CamelliaSubkeyR(29) = CamelliaSubkeyL(29) ^ dw, CamelliaSubkeyL(29) = dw;
|
|---|
| 944 | dw = CamelliaSubkeyL(30) ^ CamelliaSubkeyR(30), dw = CAMELLIA_RL8(dw);
|
|---|
| 945 | CamelliaSubkeyR(30) = CamelliaSubkeyL(30) ^ dw, CamelliaSubkeyL(30) = dw;
|
|---|
| 946 | dw = CamelliaSubkeyL(31) ^ CamelliaSubkeyR(31), dw = CAMELLIA_RL8(dw);
|
|---|
| 947 | CamelliaSubkeyR(31) = CamelliaSubkeyL(31) ^ dw,CamelliaSubkeyL(31) = dw;
|
|---|
| 948 |
|
|---|
| 949 | return;
|
|---|
| 950 | }
|
|---|
| 951 |
|
|---|
| 952 | static void camellia_setup192(const unsigned char *key, u32 *subkey)
|
|---|
| 953 | {
|
|---|
| 954 | unsigned char kk[32];
|
|---|
| 955 | u32 krll, krlr, krrl,krrr;
|
|---|
| 956 |
|
|---|
| 957 | memcpy(kk, key, 24);
|
|---|
| 958 | memcpy((unsigned char *)&krll, key+16,4);
|
|---|
| 959 | memcpy((unsigned char *)&krlr, key+20,4);
|
|---|
| 960 | krrl = ~krll;
|
|---|
| 961 | krrr = ~krlr;
|
|---|
| 962 | memcpy(kk+24, (unsigned char *)&krrl, 4);
|
|---|
| 963 | memcpy(kk+28, (unsigned char *)&krrr, 4);
|
|---|
| 964 | camellia_setup256(kk, subkey);
|
|---|
| 965 | return;
|
|---|
| 966 | }
|
|---|
| 967 |
|
|---|
| 968 |
|
|---|
| 969 | /**
|
|---|
| 970 | * Stuff related to camellia encryption/decryption
|
|---|
| 971 | *
|
|---|
| 972 | * "io" must be 4byte aligned and big-endian data.
|
|---|
| 973 | */
|
|---|
| 974 | static void camellia_encrypt128(const u32 *subkey, u32 *io)
|
|---|
| 975 | {
|
|---|
| 976 | u32 il, ir, t0, t1;
|
|---|
| 977 |
|
|---|
| 978 | /* pre whitening but absorb kw2*/
|
|---|
| 979 | io[0] ^= CamelliaSubkeyL(0);
|
|---|
| 980 | io[1] ^= CamelliaSubkeyR(0);
|
|---|
| 981 | /* main iteration */
|
|---|
| 982 |
|
|---|
| 983 | CAMELLIA_ROUNDSM(io[0],io[1],
|
|---|
| 984 | CamelliaSubkeyL(2),CamelliaSubkeyR(2),
|
|---|
| 985 | io[2],io[3],il,ir,t0,t1);
|
|---|
| 986 | CAMELLIA_ROUNDSM(io[2],io[3],
|
|---|
| 987 | CamelliaSubkeyL(3),CamelliaSubkeyR(3),
|
|---|
| 988 | io[0],io[1],il,ir,t0,t1);
|
|---|
| 989 | CAMELLIA_ROUNDSM(io[0],io[1],
|
|---|
| 990 | CamelliaSubkeyL(4),CamelliaSubkeyR(4),
|
|---|
| 991 | io[2],io[3],il,ir,t0,t1);
|
|---|
| 992 | CAMELLIA_ROUNDSM(io[2],io[3],
|
|---|
| 993 | CamelliaSubkeyL(5),CamelliaSubkeyR(5),
|
|---|
| 994 | io[0],io[1],il,ir,t0,t1);
|
|---|
| 995 | CAMELLIA_ROUNDSM(io[0],io[1],
|
|---|
| 996 | CamelliaSubkeyL(6),CamelliaSubkeyR(6),
|
|---|
| 997 | io[2],io[3],il,ir,t0,t1);
|
|---|
| 998 | CAMELLIA_ROUNDSM(io[2],io[3],
|
|---|
| 999 | CamelliaSubkeyL(7),CamelliaSubkeyR(7),
|
|---|
| 1000 | io[0],io[1],il,ir,t0,t1);
|
|---|
| 1001 |
|
|---|
| 1002 | CAMELLIA_FLS(io[0],io[1],io[2],io[3],
|
|---|
| 1003 | CamelliaSubkeyL(8),CamelliaSubkeyR(8),
|
|---|
| 1004 | CamelliaSubkeyL(9),CamelliaSubkeyR(9),
|
|---|
| 1005 | t0,t1,il,ir);
|
|---|
| 1006 |
|
|---|
| 1007 | CAMELLIA_ROUNDSM(io[0],io[1],
|
|---|
| 1008 | CamelliaSubkeyL(10),CamelliaSubkeyR(10),
|
|---|
| 1009 | io[2],io[3],il,ir,t0,t1);
|
|---|
| 1010 | CAMELLIA_ROUNDSM(io[2],io[3],
|
|---|
| 1011 | CamelliaSubkeyL(11),CamelliaSubkeyR(11),
|
|---|
| 1012 | io[0],io[1],il,ir,t0,t1);
|
|---|
| 1013 | CAMELLIA_ROUNDSM(io[0],io[1],
|
|---|
| 1014 | CamelliaSubkeyL(12),CamelliaSubkeyR(12),
|
|---|
| 1015 | io[2],io[3],il,ir,t0,t1);
|
|---|
| 1016 | CAMELLIA_ROUNDSM(io[2],io[3],
|
|---|
| 1017 | CamelliaSubkeyL(13),CamelliaSubkeyR(13),
|
|---|
| 1018 | io[0],io[1],il,ir,t0,t1);
|
|---|
| 1019 | CAMELLIA_ROUNDSM(io[0],io[1],
|
|---|
| 1020 | CamelliaSubkeyL(14),CamelliaSubkeyR(14),
|
|---|
| 1021 | io[2],io[3],il,ir,t0,t1);
|
|---|
| 1022 | CAMELLIA_ROUNDSM(io[2],io[3],
|
|---|
| 1023 | CamelliaSubkeyL(15),CamelliaSubkeyR(15),
|
|---|
| 1024 | io[0],io[1],il,ir,t0,t1);
|
|---|
| 1025 |
|
|---|
| 1026 | CAMELLIA_FLS(io[0],io[1],io[2],io[3],
|
|---|
| 1027 | CamelliaSubkeyL(16),CamelliaSubkeyR(16),
|
|---|
| 1028 | CamelliaSubkeyL(17),CamelliaSubkeyR(17),
|
|---|
| 1029 | t0,t1,il,ir);
|
|---|
| 1030 |
|
|---|
| 1031 | CAMELLIA_ROUNDSM(io[0],io[1],
|
|---|
| 1032 | CamelliaSubkeyL(18),CamelliaSubkeyR(18),
|
|---|
| 1033 | io[2],io[3],il,ir,t0,t1);
|
|---|
| 1034 | CAMELLIA_ROUNDSM(io[2],io[3],
|
|---|
| 1035 | CamelliaSubkeyL(19),CamelliaSubkeyR(19),
|
|---|
| 1036 | io[0],io[1],il,ir,t0,t1);
|
|---|
| 1037 | CAMELLIA_ROUNDSM(io[0],io[1],
|
|---|
| 1038 | CamelliaSubkeyL(20),CamelliaSubkeyR(20),
|
|---|
| 1039 | io[2],io[3],il,ir,t0,t1);
|
|---|
| 1040 | CAMELLIA_ROUNDSM(io[2],io[3],
|
|---|
| 1041 | CamelliaSubkeyL(21),CamelliaSubkeyR(21),
|
|---|
| 1042 | io[0],io[1],il,ir,t0,t1);
|
|---|
| 1043 | CAMELLIA_ROUNDSM(io[0],io[1],
|
|---|
| 1044 | CamelliaSubkeyL(22),CamelliaSubkeyR(22),
|
|---|
| 1045 | io[2],io[3],il,ir,t0,t1);
|
|---|
| 1046 | CAMELLIA_ROUNDSM(io[2],io[3],
|
|---|
| 1047 | CamelliaSubkeyL(23),CamelliaSubkeyR(23),
|
|---|
| 1048 | io[0],io[1],il,ir,t0,t1);
|
|---|
| 1049 |
|
|---|
| 1050 | /* post whitening but kw4 */
|
|---|
| 1051 | io[2] ^= CamelliaSubkeyL(24);
|
|---|
| 1052 | io[3] ^= CamelliaSubkeyR(24);
|
|---|
| 1053 |
|
|---|
| 1054 | t0 = io[0];
|
|---|
| 1055 | t1 = io[1];
|
|---|
| 1056 | io[0] = io[2];
|
|---|
| 1057 | io[1] = io[3];
|
|---|
| 1058 | io[2] = t0;
|
|---|
| 1059 | io[3] = t1;
|
|---|
| 1060 |
|
|---|
| 1061 | return;
|
|---|
| 1062 | }
|
|---|
| 1063 |
|
|---|
| 1064 | static void camellia_decrypt128(const u32 *subkey, u32 *io)
|
|---|
| 1065 | {
|
|---|
| 1066 | u32 il,ir,t0,t1; /* temporary valiables */
|
|---|
| 1067 |
|
|---|
| 1068 | /* pre whitening but absorb kw2*/
|
|---|
| 1069 | io[0] ^= CamelliaSubkeyL(24);
|
|---|
| 1070 | io[1] ^= CamelliaSubkeyR(24);
|
|---|
| 1071 |
|
|---|
| 1072 | /* main iteration */
|
|---|
| 1073 | CAMELLIA_ROUNDSM(io[0],io[1],
|
|---|
| 1074 | CamelliaSubkeyL(23),CamelliaSubkeyR(23),
|
|---|
| 1075 | io[2],io[3],il,ir,t0,t1);
|
|---|
| 1076 | CAMELLIA_ROUNDSM(io[2],io[3],
|
|---|
| 1077 | CamelliaSubkeyL(22),CamelliaSubkeyR(22),
|
|---|
| 1078 | io[0],io[1],il,ir,t0,t1);
|
|---|
| 1079 | CAMELLIA_ROUNDSM(io[0],io[1],
|
|---|
| 1080 | CamelliaSubkeyL(21),CamelliaSubkeyR(21),
|
|---|
| 1081 | io[2],io[3],il,ir,t0,t1);
|
|---|
| 1082 | CAMELLIA_ROUNDSM(io[2],io[3],
|
|---|
| 1083 | CamelliaSubkeyL(20),CamelliaSubkeyR(20),
|
|---|
| 1084 | io[0],io[1],il,ir,t0,t1);
|
|---|
| 1085 | CAMELLIA_ROUNDSM(io[0],io[1],
|
|---|
| 1086 | CamelliaSubkeyL(19),CamelliaSubkeyR(19),
|
|---|
| 1087 | io[2],io[3],il,ir,t0,t1);
|
|---|
| 1088 | CAMELLIA_ROUNDSM(io[2],io[3],
|
|---|
| 1089 | CamelliaSubkeyL(18),CamelliaSubkeyR(18),
|
|---|
| 1090 | io[0],io[1],il,ir,t0,t1);
|
|---|
| 1091 |
|
|---|
| 1092 | CAMELLIA_FLS(io[0],io[1],io[2],io[3],
|
|---|
| 1093 | CamelliaSubkeyL(17),CamelliaSubkeyR(17),
|
|---|
| 1094 | CamelliaSubkeyL(16),CamelliaSubkeyR(16),
|
|---|
| 1095 | t0,t1,il,ir);
|
|---|
| 1096 |
|
|---|
| 1097 | CAMELLIA_ROUNDSM(io[0],io[1],
|
|---|
| 1098 | CamelliaSubkeyL(15),CamelliaSubkeyR(15),
|
|---|
| 1099 | io[2],io[3],il,ir,t0,t1);
|
|---|
| 1100 | CAMELLIA_ROUNDSM(io[2],io[3],
|
|---|
| 1101 | CamelliaSubkeyL(14),CamelliaSubkeyR(14),
|
|---|
| 1102 | io[0],io[1],il,ir,t0,t1);
|
|---|
| 1103 | CAMELLIA_ROUNDSM(io[0],io[1],
|
|---|
| 1104 | CamelliaSubkeyL(13),CamelliaSubkeyR(13),
|
|---|
| 1105 | io[2],io[3],il,ir,t0,t1);
|
|---|
| 1106 | CAMELLIA_ROUNDSM(io[2],io[3],
|
|---|
| 1107 | CamelliaSubkeyL(12),CamelliaSubkeyR(12),
|
|---|
| 1108 | io[0],io[1],il,ir,t0,t1);
|
|---|
| 1109 | CAMELLIA_ROUNDSM(io[0],io[1],
|
|---|
| 1110 | CamelliaSubkeyL(11),CamelliaSubkeyR(11),
|
|---|
| 1111 | io[2],io[3],il,ir,t0,t1);
|
|---|
| 1112 | CAMELLIA_ROUNDSM(io[2],io[3],
|
|---|
| 1113 | CamelliaSubkeyL(10),CamelliaSubkeyR(10),
|
|---|
| 1114 | io[0],io[1],il,ir,t0,t1);
|
|---|
| 1115 |
|
|---|
| 1116 | CAMELLIA_FLS(io[0],io[1],io[2],io[3],
|
|---|
| 1117 | CamelliaSubkeyL(9),CamelliaSubkeyR(9),
|
|---|
| 1118 | CamelliaSubkeyL(8),CamelliaSubkeyR(8),
|
|---|
| 1119 | t0,t1,il,ir);
|
|---|
| 1120 |
|
|---|
| 1121 | CAMELLIA_ROUNDSM(io[0],io[1],
|
|---|
| 1122 | CamelliaSubkeyL(7),CamelliaSubkeyR(7),
|
|---|
| 1123 | io[2],io[3],il,ir,t0,t1);
|
|---|
| 1124 | CAMELLIA_ROUNDSM(io[2],io[3],
|
|---|
| 1125 | CamelliaSubkeyL(6),CamelliaSubkeyR(6),
|
|---|
| 1126 | io[0],io[1],il,ir,t0,t1);
|
|---|
| 1127 | CAMELLIA_ROUNDSM(io[0],io[1],
|
|---|
| 1128 | CamelliaSubkeyL(5),CamelliaSubkeyR(5),
|
|---|
| 1129 | io[2],io[3],il,ir,t0,t1);
|
|---|
| 1130 | CAMELLIA_ROUNDSM(io[2],io[3],
|
|---|
| 1131 | CamelliaSubkeyL(4),CamelliaSubkeyR(4),
|
|---|
| 1132 | io[0],io[1],il,ir,t0,t1);
|
|---|
| 1133 | CAMELLIA_ROUNDSM(io[0],io[1],
|
|---|
| 1134 | CamelliaSubkeyL(3),CamelliaSubkeyR(3),
|
|---|
| 1135 | io[2],io[3],il,ir,t0,t1);
|
|---|
| 1136 | CAMELLIA_ROUNDSM(io[2],io[3],
|
|---|
| 1137 | CamelliaSubkeyL(2),CamelliaSubkeyR(2),
|
|---|
| 1138 | io[0],io[1],il,ir,t0,t1);
|
|---|
| 1139 |
|
|---|
| 1140 | /* post whitening but kw4 */
|
|---|
| 1141 | io[2] ^= CamelliaSubkeyL(0);
|
|---|
| 1142 | io[3] ^= CamelliaSubkeyR(0);
|
|---|
| 1143 |
|
|---|
| 1144 | t0 = io[0];
|
|---|
| 1145 | t1 = io[1];
|
|---|
| 1146 | io[0] = io[2];
|
|---|
| 1147 | io[1] = io[3];
|
|---|
| 1148 | io[2] = t0;
|
|---|
| 1149 | io[3] = t1;
|
|---|
| 1150 |
|
|---|
| 1151 | return;
|
|---|
| 1152 | }
|
|---|
| 1153 |
|
|---|
| 1154 | /**
|
|---|
| 1155 | * stuff for 192 and 256bit encryption/decryption
|
|---|
| 1156 | */
|
|---|
| 1157 | static void camellia_encrypt256(const u32 *subkey, u32 *io)
|
|---|
| 1158 | {
|
|---|
| 1159 | u32 il,ir,t0,t1; /* temporary valiables */
|
|---|
| 1160 |
|
|---|
| 1161 | /* pre whitening but absorb kw2*/
|
|---|
| 1162 | io[0] ^= CamelliaSubkeyL(0);
|
|---|
| 1163 | io[1] ^= CamelliaSubkeyR(0);
|
|---|
| 1164 |
|
|---|
| 1165 | /* main iteration */
|
|---|
| 1166 | CAMELLIA_ROUNDSM(io[0],io[1],
|
|---|
| 1167 | CamelliaSubkeyL(2),CamelliaSubkeyR(2),
|
|---|
| 1168 | io[2],io[3],il,ir,t0,t1);
|
|---|
| 1169 | CAMELLIA_ROUNDSM(io[2],io[3],
|
|---|
| 1170 | CamelliaSubkeyL(3),CamelliaSubkeyR(3),
|
|---|
| 1171 | io[0],io[1],il,ir,t0,t1);
|
|---|
| 1172 | CAMELLIA_ROUNDSM(io[0],io[1],
|
|---|
| 1173 | CamelliaSubkeyL(4),CamelliaSubkeyR(4),
|
|---|
| 1174 | io[2],io[3],il,ir,t0,t1);
|
|---|
| 1175 | CAMELLIA_ROUNDSM(io[2],io[3],
|
|---|
| 1176 | CamelliaSubkeyL(5),CamelliaSubkeyR(5),
|
|---|
| 1177 | io[0],io[1],il,ir,t0,t1);
|
|---|
| 1178 | CAMELLIA_ROUNDSM(io[0],io[1],
|
|---|
| 1179 | CamelliaSubkeyL(6),CamelliaSubkeyR(6),
|
|---|
| 1180 | io[2],io[3],il,ir,t0,t1);
|
|---|
| 1181 | CAMELLIA_ROUNDSM(io[2],io[3],
|
|---|
| 1182 | CamelliaSubkeyL(7),CamelliaSubkeyR(7),
|
|---|
| 1183 | io[0],io[1],il,ir,t0,t1);
|
|---|
| 1184 |
|
|---|
| 1185 | CAMELLIA_FLS(io[0],io[1],io[2],io[3],
|
|---|
| 1186 | CamelliaSubkeyL(8),CamelliaSubkeyR(8),
|
|---|
| 1187 | CamelliaSubkeyL(9),CamelliaSubkeyR(9),
|
|---|
| 1188 | t0,t1,il,ir);
|
|---|
| 1189 |
|
|---|
| 1190 | CAMELLIA_ROUNDSM(io[0],io[1],
|
|---|
| 1191 | CamelliaSubkeyL(10),CamelliaSubkeyR(10),
|
|---|
| 1192 | io[2],io[3],il,ir,t0,t1);
|
|---|
| 1193 | CAMELLIA_ROUNDSM(io[2],io[3],
|
|---|
| 1194 | CamelliaSubkeyL(11),CamelliaSubkeyR(11),
|
|---|
| 1195 | io[0],io[1],il,ir,t0,t1);
|
|---|
| 1196 | CAMELLIA_ROUNDSM(io[0],io[1],
|
|---|
| 1197 | CamelliaSubkeyL(12),CamelliaSubkeyR(12),
|
|---|
| 1198 | io[2],io[3],il,ir,t0,t1);
|
|---|
| 1199 | CAMELLIA_ROUNDSM(io[2],io[3],
|
|---|
| 1200 | CamelliaSubkeyL(13),CamelliaSubkeyR(13),
|
|---|
| 1201 | io[0],io[1],il,ir,t0,t1);
|
|---|
| 1202 | CAMELLIA_ROUNDSM(io[0],io[1],
|
|---|
| 1203 | CamelliaSubkeyL(14),CamelliaSubkeyR(14),
|
|---|
| 1204 | io[2],io[3],il,ir,t0,t1);
|
|---|
| 1205 | CAMELLIA_ROUNDSM(io[2],io[3],
|
|---|
| 1206 | CamelliaSubkeyL(15),CamelliaSubkeyR(15),
|
|---|
| 1207 | io[0],io[1],il,ir,t0,t1);
|
|---|
| 1208 |
|
|---|
| 1209 | CAMELLIA_FLS(io[0],io[1],io[2],io[3],
|
|---|
| 1210 | CamelliaSubkeyL(16),CamelliaSubkeyR(16),
|
|---|
| 1211 | CamelliaSubkeyL(17),CamelliaSubkeyR(17),
|
|---|
| 1212 | t0,t1,il,ir);
|
|---|
| 1213 |
|
|---|
| 1214 | CAMELLIA_ROUNDSM(io[0],io[1],
|
|---|
| 1215 | CamelliaSubkeyL(18),CamelliaSubkeyR(18),
|
|---|
| 1216 | io[2],io[3],il,ir,t0,t1);
|
|---|
| 1217 | CAMELLIA_ROUNDSM(io[2],io[3],
|
|---|
| 1218 | CamelliaSubkeyL(19),CamelliaSubkeyR(19),
|
|---|
| 1219 | io[0],io[1],il,ir,t0,t1);
|
|---|
| 1220 | CAMELLIA_ROUNDSM(io[0],io[1],
|
|---|
| 1221 | CamelliaSubkeyL(20),CamelliaSubkeyR(20),
|
|---|
| 1222 | io[2],io[3],il,ir,t0,t1);
|
|---|
| 1223 | CAMELLIA_ROUNDSM(io[2],io[3],
|
|---|
| 1224 | CamelliaSubkeyL(21),CamelliaSubkeyR(21),
|
|---|
| 1225 | io[0],io[1],il,ir,t0,t1);
|
|---|
| 1226 | CAMELLIA_ROUNDSM(io[0],io[1],
|
|---|
| 1227 | CamelliaSubkeyL(22),CamelliaSubkeyR(22),
|
|---|
| 1228 | io[2],io[3],il,ir,t0,t1);
|
|---|
| 1229 | CAMELLIA_ROUNDSM(io[2],io[3],
|
|---|
| 1230 | CamelliaSubkeyL(23),CamelliaSubkeyR(23),
|
|---|
| 1231 | io[0],io[1],il,ir,t0,t1);
|
|---|
| 1232 |
|
|---|
| 1233 | CAMELLIA_FLS(io[0],io[1],io[2],io[3],
|
|---|
| 1234 | CamelliaSubkeyL(24),CamelliaSubkeyR(24),
|
|---|
| 1235 | CamelliaSubkeyL(25),CamelliaSubkeyR(25),
|
|---|
| 1236 | t0,t1,il,ir);
|
|---|
| 1237 |
|
|---|
| 1238 | CAMELLIA_ROUNDSM(io[0],io[1],
|
|---|
| 1239 | CamelliaSubkeyL(26),CamelliaSubkeyR(26),
|
|---|
| 1240 | io[2],io[3],il,ir,t0,t1);
|
|---|
| 1241 | CAMELLIA_ROUNDSM(io[2],io[3],
|
|---|
| 1242 | CamelliaSubkeyL(27),CamelliaSubkeyR(27),
|
|---|
| 1243 | io[0],io[1],il,ir,t0,t1);
|
|---|
| 1244 | CAMELLIA_ROUNDSM(io[0],io[1],
|
|---|
| 1245 | CamelliaSubkeyL(28),CamelliaSubkeyR(28),
|
|---|
| 1246 | io[2],io[3],il,ir,t0,t1);
|
|---|
| 1247 | CAMELLIA_ROUNDSM(io[2],io[3],
|
|---|
| 1248 | CamelliaSubkeyL(29),CamelliaSubkeyR(29),
|
|---|
| 1249 | io[0],io[1],il,ir,t0,t1);
|
|---|
| 1250 | CAMELLIA_ROUNDSM(io[0],io[1],
|
|---|
| 1251 | CamelliaSubkeyL(30),CamelliaSubkeyR(30),
|
|---|
| 1252 | io[2],io[3],il,ir,t0,t1);
|
|---|
| 1253 | CAMELLIA_ROUNDSM(io[2],io[3],
|
|---|
| 1254 | CamelliaSubkeyL(31),CamelliaSubkeyR(31),
|
|---|
| 1255 | io[0],io[1],il,ir,t0,t1);
|
|---|
| 1256 |
|
|---|
| 1257 | /* post whitening but kw4 */
|
|---|
| 1258 | io[2] ^= CamelliaSubkeyL(32);
|
|---|
| 1259 | io[3] ^= CamelliaSubkeyR(32);
|
|---|
| 1260 |
|
|---|
| 1261 | t0 = io[0];
|
|---|
| 1262 | t1 = io[1];
|
|---|
| 1263 | io[0] = io[2];
|
|---|
| 1264 | io[1] = io[3];
|
|---|
| 1265 | io[2] = t0;
|
|---|
| 1266 | io[3] = t1;
|
|---|
| 1267 |
|
|---|
| 1268 | return;
|
|---|
| 1269 | }
|
|---|
| 1270 |
|
|---|
| 1271 | static void camellia_decrypt256(const u32 *subkey, u32 *io)
|
|---|
| 1272 | {
|
|---|
| 1273 | u32 il,ir,t0,t1; /* temporary valiables */
|
|---|
| 1274 |
|
|---|
| 1275 | /* pre whitening but absorb kw2*/
|
|---|
| 1276 | io[0] ^= CamelliaSubkeyL(32);
|
|---|
| 1277 | io[1] ^= CamelliaSubkeyR(32);
|
|---|
| 1278 |
|
|---|
| 1279 | /* main iteration */
|
|---|
| 1280 | CAMELLIA_ROUNDSM(io[0],io[1],
|
|---|
| 1281 | CamelliaSubkeyL(31),CamelliaSubkeyR(31),
|
|---|
| 1282 | io[2],io[3],il,ir,t0,t1);
|
|---|
| 1283 | CAMELLIA_ROUNDSM(io[2],io[3],
|
|---|
| 1284 | CamelliaSubkeyL(30),CamelliaSubkeyR(30),
|
|---|
| 1285 | io[0],io[1],il,ir,t0,t1);
|
|---|
| 1286 | CAMELLIA_ROUNDSM(io[0],io[1],
|
|---|
| 1287 | CamelliaSubkeyL(29),CamelliaSubkeyR(29),
|
|---|
| 1288 | io[2],io[3],il,ir,t0,t1);
|
|---|
| 1289 | CAMELLIA_ROUNDSM(io[2],io[3],
|
|---|
| 1290 | CamelliaSubkeyL(28),CamelliaSubkeyR(28),
|
|---|
| 1291 | io[0],io[1],il,ir,t0,t1);
|
|---|
| 1292 | CAMELLIA_ROUNDSM(io[0],io[1],
|
|---|
| 1293 | CamelliaSubkeyL(27),CamelliaSubkeyR(27),
|
|---|
| 1294 | io[2],io[3],il,ir,t0,t1);
|
|---|
| 1295 | CAMELLIA_ROUNDSM(io[2],io[3],
|
|---|
| 1296 | CamelliaSubkeyL(26),CamelliaSubkeyR(26),
|
|---|
| 1297 | io[0],io[1],il,ir,t0,t1);
|
|---|
| 1298 |
|
|---|
| 1299 | CAMELLIA_FLS(io[0],io[1],io[2],io[3],
|
|---|
| 1300 | CamelliaSubkeyL(25),CamelliaSubkeyR(25),
|
|---|
| 1301 | CamelliaSubkeyL(24),CamelliaSubkeyR(24),
|
|---|
| 1302 | t0,t1,il,ir);
|
|---|
| 1303 |
|
|---|
| 1304 | CAMELLIA_ROUNDSM(io[0],io[1],
|
|---|
| 1305 | CamelliaSubkeyL(23),CamelliaSubkeyR(23),
|
|---|
| 1306 | io[2],io[3],il,ir,t0,t1);
|
|---|
| 1307 | CAMELLIA_ROUNDSM(io[2],io[3],
|
|---|
| 1308 | CamelliaSubkeyL(22),CamelliaSubkeyR(22),
|
|---|
| 1309 | io[0],io[1],il,ir,t0,t1);
|
|---|
| 1310 | CAMELLIA_ROUNDSM(io[0],io[1],
|
|---|
| 1311 | CamelliaSubkeyL(21),CamelliaSubkeyR(21),
|
|---|
| 1312 | io[2],io[3],il,ir,t0,t1);
|
|---|
| 1313 | CAMELLIA_ROUNDSM(io[2],io[3],
|
|---|
| 1314 | CamelliaSubkeyL(20),CamelliaSubkeyR(20),
|
|---|
| 1315 | io[0],io[1],il,ir,t0,t1);
|
|---|
| 1316 | CAMELLIA_ROUNDSM(io[0],io[1],
|
|---|
| 1317 | CamelliaSubkeyL(19),CamelliaSubkeyR(19),
|
|---|
| 1318 | io[2],io[3],il,ir,t0,t1);
|
|---|
| 1319 | CAMELLIA_ROUNDSM(io[2],io[3],
|
|---|
| 1320 | CamelliaSubkeyL(18),CamelliaSubkeyR(18),
|
|---|
| 1321 | io[0],io[1],il,ir,t0,t1);
|
|---|
| 1322 |
|
|---|
| 1323 | CAMELLIA_FLS(io[0],io[1],io[2],io[3],
|
|---|
| 1324 | CamelliaSubkeyL(17),CamelliaSubkeyR(17),
|
|---|
| 1325 | CamelliaSubkeyL(16),CamelliaSubkeyR(16),
|
|---|
| 1326 | t0,t1,il,ir);
|
|---|
| 1327 |
|
|---|
| 1328 | CAMELLIA_ROUNDSM(io[0],io[1],
|
|---|
| 1329 | CamelliaSubkeyL(15),CamelliaSubkeyR(15),
|
|---|
| 1330 | io[2],io[3],il,ir,t0,t1);
|
|---|
| 1331 | CAMELLIA_ROUNDSM(io[2],io[3],
|
|---|
| 1332 | CamelliaSubkeyL(14),CamelliaSubkeyR(14),
|
|---|
| 1333 | io[0],io[1],il,ir,t0,t1);
|
|---|
| 1334 | CAMELLIA_ROUNDSM(io[0],io[1],
|
|---|
| 1335 | CamelliaSubkeyL(13),CamelliaSubkeyR(13),
|
|---|
| 1336 | io[2],io[3],il,ir,t0,t1);
|
|---|
| 1337 | CAMELLIA_ROUNDSM(io[2],io[3],
|
|---|
| 1338 | CamelliaSubkeyL(12),CamelliaSubkeyR(12),
|
|---|
| 1339 | io[0],io[1],il,ir,t0,t1);
|
|---|
| 1340 | CAMELLIA_ROUNDSM(io[0],io[1],
|
|---|
| 1341 | CamelliaSubkeyL(11),CamelliaSubkeyR(11),
|
|---|
| 1342 | io[2],io[3],il,ir,t0,t1);
|
|---|
| 1343 | CAMELLIA_ROUNDSM(io[2],io[3],
|
|---|
| 1344 | CamelliaSubkeyL(10),CamelliaSubkeyR(10),
|
|---|
| 1345 | io[0],io[1],il,ir,t0,t1);
|
|---|
| 1346 |
|
|---|
| 1347 | CAMELLIA_FLS(io[0],io[1],io[2],io[3],
|
|---|
| 1348 | CamelliaSubkeyL(9),CamelliaSubkeyR(9),
|
|---|
| 1349 | CamelliaSubkeyL(8),CamelliaSubkeyR(8),
|
|---|
| 1350 | t0,t1,il,ir);
|
|---|
| 1351 |
|
|---|
| 1352 | CAMELLIA_ROUNDSM(io[0],io[1],
|
|---|
| 1353 | CamelliaSubkeyL(7),CamelliaSubkeyR(7),
|
|---|
| 1354 | io[2],io[3],il,ir,t0,t1);
|
|---|
| 1355 | CAMELLIA_ROUNDSM(io[2],io[3],
|
|---|
| 1356 | CamelliaSubkeyL(6),CamelliaSubkeyR(6),
|
|---|
| 1357 | io[0],io[1],il,ir,t0,t1);
|
|---|
| 1358 | CAMELLIA_ROUNDSM(io[0],io[1],
|
|---|
| 1359 | CamelliaSubkeyL(5),CamelliaSubkeyR(5),
|
|---|
| 1360 | io[2],io[3],il,ir,t0,t1);
|
|---|
| 1361 | CAMELLIA_ROUNDSM(io[2],io[3],
|
|---|
| 1362 | CamelliaSubkeyL(4),CamelliaSubkeyR(4),
|
|---|
| 1363 | io[0],io[1],il,ir,t0,t1);
|
|---|
| 1364 | CAMELLIA_ROUNDSM(io[0],io[1],
|
|---|
| 1365 | CamelliaSubkeyL(3),CamelliaSubkeyR(3),
|
|---|
| 1366 | io[2],io[3],il,ir,t0,t1);
|
|---|
| 1367 | CAMELLIA_ROUNDSM(io[2],io[3],
|
|---|
| 1368 | CamelliaSubkeyL(2),CamelliaSubkeyR(2),
|
|---|
| 1369 | io[0],io[1],il,ir,t0,t1);
|
|---|
| 1370 |
|
|---|
| 1371 | /* post whitening but kw4 */
|
|---|
| 1372 | io[2] ^= CamelliaSubkeyL(0);
|
|---|
| 1373 | io[3] ^= CamelliaSubkeyR(0);
|
|---|
| 1374 |
|
|---|
| 1375 | t0 = io[0];
|
|---|
| 1376 | t1 = io[1];
|
|---|
| 1377 | io[0] = io[2];
|
|---|
| 1378 | io[1] = io[3];
|
|---|
| 1379 | io[2] = t0;
|
|---|
| 1380 | io[3] = t1;
|
|---|
| 1381 |
|
|---|
| 1382 | return;
|
|---|
| 1383 | }
|
|---|
| 1384 |
|
|---|
| 1385 | /***
|
|---|
| 1386 | *
|
|---|
| 1387 | * API for compatibility
|
|---|
| 1388 | */
|
|---|
| 1389 |
|
|---|
| 1390 | void Camellia_Ekeygen(const int keyBitLength,
|
|---|
| 1391 | const unsigned char *rawKey,
|
|---|
| 1392 | KEY_TABLE_TYPE keyTable)
|
|---|
| 1393 | {
|
|---|
| 1394 | switch(keyBitLength) {
|
|---|
| 1395 | case 128:
|
|---|
| 1396 | camellia_setup128(rawKey, keyTable);
|
|---|
| 1397 | break;
|
|---|
| 1398 | case 192:
|
|---|
| 1399 | camellia_setup192(rawKey, keyTable);
|
|---|
| 1400 | break;
|
|---|
| 1401 | case 256:
|
|---|
| 1402 | camellia_setup256(rawKey, keyTable);
|
|---|
| 1403 | break;
|
|---|
| 1404 | default:
|
|---|
| 1405 | break;
|
|---|
| 1406 | }
|
|---|
| 1407 | }
|
|---|
| 1408 |
|
|---|
| 1409 |
|
|---|
| 1410 | void Camellia_EncryptBlock(const int keyBitLength,
|
|---|
| 1411 | const unsigned char *plaintext,
|
|---|
| 1412 | const KEY_TABLE_TYPE keyTable,
|
|---|
| 1413 | unsigned char *ciphertext)
|
|---|
| 1414 | {
|
|---|
| 1415 | u32 tmp[4];
|
|---|
| 1416 |
|
|---|
| 1417 | tmp[0] = GETU32(plaintext);
|
|---|
| 1418 | tmp[1] = GETU32(plaintext + 4);
|
|---|
| 1419 | tmp[2] = GETU32(plaintext + 8);
|
|---|
| 1420 | tmp[3] = GETU32(plaintext + 12);
|
|---|
| 1421 |
|
|---|
| 1422 | switch (keyBitLength) {
|
|---|
| 1423 | case 128:
|
|---|
| 1424 | camellia_encrypt128(keyTable, tmp);
|
|---|
| 1425 | break;
|
|---|
| 1426 | case 192:
|
|---|
| 1427 | /* fall through */
|
|---|
| 1428 | case 256:
|
|---|
| 1429 | camellia_encrypt256(keyTable, tmp);
|
|---|
| 1430 | break;
|
|---|
| 1431 | default:
|
|---|
| 1432 | break;
|
|---|
| 1433 | }
|
|---|
| 1434 |
|
|---|
| 1435 | PUTU32(ciphertext, tmp[0]);
|
|---|
| 1436 | PUTU32(ciphertext + 4, tmp[1]);
|
|---|
| 1437 | PUTU32(ciphertext + 8, tmp[2]);
|
|---|
| 1438 | PUTU32(ciphertext + 12, tmp[3]);
|
|---|
| 1439 | }
|
|---|
| 1440 |
|
|---|
| 1441 | void Camellia_DecryptBlock(const int keyBitLength,
|
|---|
| 1442 | const unsigned char *ciphertext,
|
|---|
| 1443 | const KEY_TABLE_TYPE keyTable,
|
|---|
| 1444 | unsigned char *plaintext)
|
|---|
| 1445 | {
|
|---|
| 1446 | u32 tmp[4];
|
|---|
| 1447 |
|
|---|
| 1448 | tmp[0] = GETU32(ciphertext);
|
|---|
| 1449 | tmp[1] = GETU32(ciphertext + 4);
|
|---|
| 1450 | tmp[2] = GETU32(ciphertext + 8);
|
|---|
| 1451 | tmp[3] = GETU32(ciphertext + 12);
|
|---|
| 1452 |
|
|---|
| 1453 | switch (keyBitLength) {
|
|---|
| 1454 | case 128:
|
|---|
| 1455 | camellia_decrypt128(keyTable, tmp);
|
|---|
| 1456 | break;
|
|---|
| 1457 | case 192:
|
|---|
| 1458 | /* fall through */
|
|---|
| 1459 | case 256:
|
|---|
| 1460 | camellia_decrypt256(keyTable, tmp);
|
|---|
| 1461 | break;
|
|---|
| 1462 | default:
|
|---|
| 1463 | break;
|
|---|
| 1464 | }
|
|---|
| 1465 | PUTU32(plaintext, tmp[0]);
|
|---|
| 1466 | PUTU32(plaintext + 4, tmp[1]);
|
|---|
| 1467 | PUTU32(plaintext + 8, tmp[2]);
|
|---|
| 1468 | PUTU32(plaintext + 12, tmp[3]);
|
|---|
| 1469 | }
|
|---|