1669 lines
65 KiB
C
1669 lines
65 KiB
C
/* crypto/camellia/camellia.c -*- mode:C; c-file-style: "eay" -*- */
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/* ====================================================================
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* Copyright 2006 NTT (Nippon Telegraph and Telephone Corporation) .
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* ALL RIGHTS RESERVED.
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*
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* Intellectual Property information for Camellia:
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* http://info.isl.ntt.co.jp/crypt/eng/info/chiteki.html
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*
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* News Release for Announcement of Camellia open source:
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* http://www.ntt.co.jp/news/news06e/0604/060413a.html
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*
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* The Camellia Code included herein is developed by
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* NTT (Nippon Telegraph and Telephone Corporation), and is contributed
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* to the OpenSSL project.
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*
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* The Camellia Code is licensed pursuant to the OpenSSL open source
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* license provided below.
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*/
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/* ====================================================================
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* Copyright (c) 2006 The OpenSSL Project. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. All advertising materials mentioning features or use of this
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* software must display the following acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
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*
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* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
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* endorse or promote products derived from this software without
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* prior written permission. For written permission, please contact
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* openssl-core@openssl.org.
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*
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* 5. Products derived from this software may not be called "OpenSSL"
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* nor may "OpenSSL" appear in their names without prior written
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* permission of the OpenSSL Project.
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*
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* 6. Redistributions of any form whatsoever must retain the following
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* acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit (http://www.openssl.org/)"
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*
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* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
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* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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* ====================================================================
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*/
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/*
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* Algorithm Specification
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* http://info.isl.llia/specicrypt/eng/camellia/specifications.html
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*/
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#include <string.h>
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#include <stdlib.h>
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#include "camellia.h"
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#include "cmll_locl.h"
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/* key constants */
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#define CAMELLIA_SIGMA1L (0xA09E667FL)
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#define CAMELLIA_SIGMA1R (0x3BCC908BL)
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#define CAMELLIA_SIGMA2L (0xB67AE858L)
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#define CAMELLIA_SIGMA2R (0x4CAA73B2L)
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#define CAMELLIA_SIGMA3L (0xC6EF372FL)
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#define CAMELLIA_SIGMA3R (0xE94F82BEL)
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#define CAMELLIA_SIGMA4L (0x54FF53A5L)
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#define CAMELLIA_SIGMA4R (0xF1D36F1CL)
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#define CAMELLIA_SIGMA5L (0x10E527FAL)
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#define CAMELLIA_SIGMA5R (0xDE682D1DL)
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#define CAMELLIA_SIGMA6L (0xB05688C2L)
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#define CAMELLIA_SIGMA6R (0xB3E6C1FDL)
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/*
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* macros
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*/
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/* e is pointer of subkey */
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#define CamelliaSubkeyL(INDEX) (subkey[(INDEX)*2])
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#define CamelliaSubkeyR(INDEX) (subkey[(INDEX)*2 + 1])
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/* rotation right shift 1byte */
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#define CAMELLIA_RR8(x) (((x) >> 8) + ((x) << 24))
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/* rotation left shift 1bit */
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#define CAMELLIA_RL1(x) (((x) << 1) + ((x) >> 31))
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/* rotation left shift 1byte */
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#define CAMELLIA_RL8(x) (((x) << 8) + ((x) >> 24))
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#define CAMELLIA_ROLDQ(ll, lr, rl, rr, w0, w1, bits) \
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do \
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{ \
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w0 = ll; \
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ll = (ll << bits) + (lr >> (32 - bits)); \
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lr = (lr << bits) + (rl >> (32 - bits)); \
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rl = (rl << bits) + (rr >> (32 - bits)); \
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rr = (rr << bits) + (w0 >> (32 - bits)); \
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} while(0)
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#define CAMELLIA_ROLDQo32(ll, lr, rl, rr, w0, w1, bits) \
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do \
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{ \
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w0 = ll; \
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w1 = lr; \
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ll = (lr << (bits - 32)) + (rl >> (64 - bits)); \
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lr = (rl << (bits - 32)) + (rr >> (64 - bits)); \
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rl = (rr << (bits - 32)) + (w0 >> (64 - bits)); \
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rr = (w0 << (bits - 32)) + (w1 >> (64 - bits)); \
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} while(0)
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#define CAMELLIA_SP1110(INDEX) (camellia_sp1110[(INDEX)])
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#define CAMELLIA_SP0222(INDEX) (camellia_sp0222[(INDEX)])
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#define CAMELLIA_SP3033(INDEX) (camellia_sp3033[(INDEX)])
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#define CAMELLIA_SP4404(INDEX) (camellia_sp4404[(INDEX)])
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#define CAMELLIA_F(xl, xr, kl, kr, yl, yr, il, ir, t0, t1) \
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do \
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{ \
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il = xl ^ kl; \
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ir = xr ^ kr; \
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t0 = il >> 16; \
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t1 = ir >> 16; \
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yl = CAMELLIA_SP1110(ir & 0xff) \
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^ CAMELLIA_SP0222((t1 >> 8) & 0xff) \
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^ CAMELLIA_SP3033(t1 & 0xff) \
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^ CAMELLIA_SP4404((ir >> 8) & 0xff); \
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yr = CAMELLIA_SP1110((t0 >> 8) & 0xff) \
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^ CAMELLIA_SP0222(t0 & 0xff) \
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^ CAMELLIA_SP3033((il >> 8) & 0xff) \
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^ CAMELLIA_SP4404(il & 0xff); \
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yl ^= yr; \
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yr = CAMELLIA_RR8(yr); \
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yr ^= yl; \
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} while(0)
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/*
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* for speed up
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*
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*/
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#define CAMELLIA_FLS(ll, lr, rl, rr, kll, klr, krl, krr, t0, t1, t2, t3) \
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do \
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{ \
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t0 = kll; \
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t0 &= ll; \
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lr ^= CAMELLIA_RL1(t0); \
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t1 = klr; \
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t1 |= lr; \
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ll ^= t1; \
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\
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t2 = krr; \
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t2 |= rr; \
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rl ^= t2; \
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t3 = krl; \
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t3 &= rl; \
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rr ^= CAMELLIA_RL1(t3); \
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} while(0)
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#define CAMELLIA_ROUNDSM(xl, xr, kl, kr, yl, yr, il, ir, t0, t1) \
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do \
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{ \
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il = xl; \
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ir = xr; \
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t0 = il >> 16; \
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t1 = ir >> 16; \
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ir = CAMELLIA_SP1110(ir & 0xff) \
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^ CAMELLIA_SP0222((t1 >> 8) & 0xff) \
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^ CAMELLIA_SP3033(t1 & 0xff) \
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^ CAMELLIA_SP4404((ir >> 8) & 0xff); \
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il = CAMELLIA_SP1110((t0 >> 8) & 0xff) \
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^ CAMELLIA_SP0222(t0 & 0xff) \
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^ CAMELLIA_SP3033((il >> 8) & 0xff) \
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^ CAMELLIA_SP4404(il & 0xff); \
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il ^= kl; \
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ir ^= kr; \
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ir ^= il; \
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il = CAMELLIA_RR8(il); \
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il ^= ir; \
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yl ^= ir; \
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yr ^= il; \
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} while(0)
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static const u32 camellia_sp1110[256] = {
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0x70707000, 0x82828200, 0x2c2c2c00, 0xececec00,
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0xb3b3b300, 0x27272700, 0xc0c0c000, 0xe5e5e500,
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0xe4e4e400, 0x85858500, 0x57575700, 0x35353500,
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0xeaeaea00, 0x0c0c0c00, 0xaeaeae00, 0x41414100,
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0x23232300, 0xefefef00, 0x6b6b6b00, 0x93939300,
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0x45454500, 0x19191900, 0xa5a5a500, 0x21212100,
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0xededed00, 0x0e0e0e00, 0x4f4f4f00, 0x4e4e4e00,
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0x1d1d1d00, 0x65656500, 0x92929200, 0xbdbdbd00,
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0x86868600, 0xb8b8b800, 0xafafaf00, 0x8f8f8f00,
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0x7c7c7c00, 0xebebeb00, 0x1f1f1f00, 0xcecece00,
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0x3e3e3e00, 0x30303000, 0xdcdcdc00, 0x5f5f5f00,
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0x5e5e5e00, 0xc5c5c500, 0x0b0b0b00, 0x1a1a1a00,
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0xa6a6a600, 0xe1e1e100, 0x39393900, 0xcacaca00,
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0xd5d5d500, 0x47474700, 0x5d5d5d00, 0x3d3d3d00,
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0xd9d9d900, 0x01010100, 0x5a5a5a00, 0xd6d6d600,
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0x51515100, 0x56565600, 0x6c6c6c00, 0x4d4d4d00,
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0x8b8b8b00, 0x0d0d0d00, 0x9a9a9a00, 0x66666600,
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0xfbfbfb00, 0xcccccc00, 0xb0b0b000, 0x2d2d2d00,
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0x74747400, 0x12121200, 0x2b2b2b00, 0x20202000,
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0xf0f0f000, 0xb1b1b100, 0x84848400, 0x99999900,
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0xdfdfdf00, 0x4c4c4c00, 0xcbcbcb00, 0xc2c2c200,
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0x34343400, 0x7e7e7e00, 0x76767600, 0x05050500,
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0x6d6d6d00, 0xb7b7b700, 0xa9a9a900, 0x31313100,
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0xd1d1d100, 0x17171700, 0x04040400, 0xd7d7d700,
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0x14141400, 0x58585800, 0x3a3a3a00, 0x61616100,
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0xdedede00, 0x1b1b1b00, 0x11111100, 0x1c1c1c00,
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0x32323200, 0x0f0f0f00, 0x9c9c9c00, 0x16161600,
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0x53535300, 0x18181800, 0xf2f2f200, 0x22222200,
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0xfefefe00, 0x44444400, 0xcfcfcf00, 0xb2b2b200,
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0xc3c3c300, 0xb5b5b500, 0x7a7a7a00, 0x91919100,
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0x24242400, 0x08080800, 0xe8e8e800, 0xa8a8a800,
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0x60606000, 0xfcfcfc00, 0x69696900, 0x50505000,
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0xaaaaaa00, 0xd0d0d000, 0xa0a0a000, 0x7d7d7d00,
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0xa1a1a100, 0x89898900, 0x62626200, 0x97979700,
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0x54545400, 0x5b5b5b00, 0x1e1e1e00, 0x95959500,
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0xe0e0e000, 0xffffff00, 0x64646400, 0xd2d2d200,
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0x10101000, 0xc4c4c400, 0x00000000, 0x48484800,
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0xa3a3a300, 0xf7f7f700, 0x75757500, 0xdbdbdb00,
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0x8a8a8a00, 0x03030300, 0xe6e6e600, 0xdadada00,
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0x09090900, 0x3f3f3f00, 0xdddddd00, 0x94949400,
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0x87878700, 0x5c5c5c00, 0x83838300, 0x02020200,
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0xcdcdcd00, 0x4a4a4a00, 0x90909000, 0x33333300,
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0x73737300, 0x67676700, 0xf6f6f600, 0xf3f3f300,
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0x9d9d9d00, 0x7f7f7f00, 0xbfbfbf00, 0xe2e2e200,
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0x52525200, 0x9b9b9b00, 0xd8d8d800, 0x26262600,
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0xc8c8c800, 0x37373700, 0xc6c6c600, 0x3b3b3b00,
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0x81818100, 0x96969600, 0x6f6f6f00, 0x4b4b4b00,
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0x13131300, 0xbebebe00, 0x63636300, 0x2e2e2e00,
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0xe9e9e900, 0x79797900, 0xa7a7a700, 0x8c8c8c00,
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0x9f9f9f00, 0x6e6e6e00, 0xbcbcbc00, 0x8e8e8e00,
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0x29292900, 0xf5f5f500, 0xf9f9f900, 0xb6b6b600,
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0x2f2f2f00, 0xfdfdfd00, 0xb4b4b400, 0x59595900,
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0x78787800, 0x98989800, 0x06060600, 0x6a6a6a00,
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0xe7e7e700, 0x46464600, 0x71717100, 0xbababa00,
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0xd4d4d400, 0x25252500, 0xababab00, 0x42424200,
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0x88888800, 0xa2a2a200, 0x8d8d8d00, 0xfafafa00,
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0x72727200, 0x07070700, 0xb9b9b900, 0x55555500,
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0xf8f8f800, 0xeeeeee00, 0xacacac00, 0x0a0a0a00,
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0x36363600, 0x49494900, 0x2a2a2a00, 0x68686800,
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0x3c3c3c00, 0x38383800, 0xf1f1f100, 0xa4a4a400,
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0x40404000, 0x28282800, 0xd3d3d300, 0x7b7b7b00,
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0xbbbbbb00, 0xc9c9c900, 0x43434300, 0xc1c1c100,
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0x15151500, 0xe3e3e300, 0xadadad00, 0xf4f4f400,
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0x77777700, 0xc7c7c700, 0x80808000, 0x9e9e9e00,
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};
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static const u32 camellia_sp0222[256] = {
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0x00e0e0e0, 0x00050505, 0x00585858, 0x00d9d9d9,
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0x00676767, 0x004e4e4e, 0x00818181, 0x00cbcbcb,
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0x00c9c9c9, 0x000b0b0b, 0x00aeaeae, 0x006a6a6a,
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0x00d5d5d5, 0x00181818, 0x005d5d5d, 0x00828282,
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0x00464646, 0x00dfdfdf, 0x00d6d6d6, 0x00272727,
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0x008a8a8a, 0x00323232, 0x004b4b4b, 0x00424242,
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0x00dbdbdb, 0x001c1c1c, 0x009e9e9e, 0x009c9c9c,
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0x003a3a3a, 0x00cacaca, 0x00252525, 0x007b7b7b,
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0x000d0d0d, 0x00717171, 0x005f5f5f, 0x001f1f1f,
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0x00f8f8f8, 0x00d7d7d7, 0x003e3e3e, 0x009d9d9d,
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0x007c7c7c, 0x00606060, 0x00b9b9b9, 0x00bebebe,
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0x00bcbcbc, 0x008b8b8b, 0x00161616, 0x00343434,
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0x004d4d4d, 0x00c3c3c3, 0x00727272, 0x00959595,
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0x00ababab, 0x008e8e8e, 0x00bababa, 0x007a7a7a,
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0x00b3b3b3, 0x00020202, 0x00b4b4b4, 0x00adadad,
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0x00a2a2a2, 0x00acacac, 0x00d8d8d8, 0x009a9a9a,
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0x00171717, 0x001a1a1a, 0x00353535, 0x00cccccc,
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0x00f7f7f7, 0x00999999, 0x00616161, 0x005a5a5a,
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0x00e8e8e8, 0x00242424, 0x00565656, 0x00404040,
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0x00e1e1e1, 0x00636363, 0x00090909, 0x00333333,
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0x00bfbfbf, 0x00989898, 0x00979797, 0x00858585,
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0x00686868, 0x00fcfcfc, 0x00ececec, 0x000a0a0a,
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0x00dadada, 0x006f6f6f, 0x00535353, 0x00626262,
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0x00a3a3a3, 0x002e2e2e, 0x00080808, 0x00afafaf,
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0x00282828, 0x00b0b0b0, 0x00747474, 0x00c2c2c2,
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0x00bdbdbd, 0x00363636, 0x00222222, 0x00383838,
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0x00646464, 0x001e1e1e, 0x00393939, 0x002c2c2c,
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0x00a6a6a6, 0x00303030, 0x00e5e5e5, 0x00444444,
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0x00fdfdfd, 0x00888888, 0x009f9f9f, 0x00656565,
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0x00878787, 0x006b6b6b, 0x00f4f4f4, 0x00232323,
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0x00484848, 0x00101010, 0x00d1d1d1, 0x00515151,
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0x00c0c0c0, 0x00f9f9f9, 0x00d2d2d2, 0x00a0a0a0,
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0x00555555, 0x00a1a1a1, 0x00414141, 0x00fafafa,
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0x00434343, 0x00131313, 0x00c4c4c4, 0x002f2f2f,
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0x00a8a8a8, 0x00b6b6b6, 0x003c3c3c, 0x002b2b2b,
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0x00c1c1c1, 0x00ffffff, 0x00c8c8c8, 0x00a5a5a5,
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0x00202020, 0x00898989, 0x00000000, 0x00909090,
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0x00474747, 0x00efefef, 0x00eaeaea, 0x00b7b7b7,
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0x00151515, 0x00060606, 0x00cdcdcd, 0x00b5b5b5,
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0x00121212, 0x007e7e7e, 0x00bbbbbb, 0x00292929,
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0x000f0f0f, 0x00b8b8b8, 0x00070707, 0x00040404,
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0x009b9b9b, 0x00949494, 0x00212121, 0x00666666,
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0x00e6e6e6, 0x00cecece, 0x00ededed, 0x00e7e7e7,
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0x003b3b3b, 0x00fefefe, 0x007f7f7f, 0x00c5c5c5,
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0x00a4a4a4, 0x00373737, 0x00b1b1b1, 0x004c4c4c,
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0x00919191, 0x006e6e6e, 0x008d8d8d, 0x00767676,
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0x00030303, 0x002d2d2d, 0x00dedede, 0x00969696,
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0x00262626, 0x007d7d7d, 0x00c6c6c6, 0x005c5c5c,
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|
0x00d3d3d3, 0x00f2f2f2, 0x004f4f4f, 0x00191919,
|
|
0x003f3f3f, 0x00dcdcdc, 0x00797979, 0x001d1d1d,
|
|
0x00525252, 0x00ebebeb, 0x00f3f3f3, 0x006d6d6d,
|
|
0x005e5e5e, 0x00fbfbfb, 0x00696969, 0x00b2b2b2,
|
|
0x00f0f0f0, 0x00313131, 0x000c0c0c, 0x00d4d4d4,
|
|
0x00cfcfcf, 0x008c8c8c, 0x00e2e2e2, 0x00757575,
|
|
0x00a9a9a9, 0x004a4a4a, 0x00575757, 0x00848484,
|
|
0x00111111, 0x00454545, 0x001b1b1b, 0x00f5f5f5,
|
|
0x00e4e4e4, 0x000e0e0e, 0x00737373, 0x00aaaaaa,
|
|
0x00f1f1f1, 0x00dddddd, 0x00595959, 0x00141414,
|
|
0x006c6c6c, 0x00929292, 0x00545454, 0x00d0d0d0,
|
|
0x00787878, 0x00707070, 0x00e3e3e3, 0x00494949,
|
|
0x00808080, 0x00505050, 0x00a7a7a7, 0x00f6f6f6,
|
|
0x00777777, 0x00939393, 0x00868686, 0x00838383,
|
|
0x002a2a2a, 0x00c7c7c7, 0x005b5b5b, 0x00e9e9e9,
|
|
0x00eeeeee, 0x008f8f8f, 0x00010101, 0x003d3d3d,
|
|
};
|
|
|
|
static const u32 camellia_sp3033[256] = {
|
|
0x38003838, 0x41004141, 0x16001616, 0x76007676,
|
|
0xd900d9d9, 0x93009393, 0x60006060, 0xf200f2f2,
|
|
0x72007272, 0xc200c2c2, 0xab00abab, 0x9a009a9a,
|
|
0x75007575, 0x06000606, 0x57005757, 0xa000a0a0,
|
|
0x91009191, 0xf700f7f7, 0xb500b5b5, 0xc900c9c9,
|
|
0xa200a2a2, 0x8c008c8c, 0xd200d2d2, 0x90009090,
|
|
0xf600f6f6, 0x07000707, 0xa700a7a7, 0x27002727,
|
|
0x8e008e8e, 0xb200b2b2, 0x49004949, 0xde00dede,
|
|
0x43004343, 0x5c005c5c, 0xd700d7d7, 0xc700c7c7,
|
|
0x3e003e3e, 0xf500f5f5, 0x8f008f8f, 0x67006767,
|
|
0x1f001f1f, 0x18001818, 0x6e006e6e, 0xaf00afaf,
|
|
0x2f002f2f, 0xe200e2e2, 0x85008585, 0x0d000d0d,
|
|
0x53005353, 0xf000f0f0, 0x9c009c9c, 0x65006565,
|
|
0xea00eaea, 0xa300a3a3, 0xae00aeae, 0x9e009e9e,
|
|
0xec00ecec, 0x80008080, 0x2d002d2d, 0x6b006b6b,
|
|
0xa800a8a8, 0x2b002b2b, 0x36003636, 0xa600a6a6,
|
|
0xc500c5c5, 0x86008686, 0x4d004d4d, 0x33003333,
|
|
0xfd00fdfd, 0x66006666, 0x58005858, 0x96009696,
|
|
0x3a003a3a, 0x09000909, 0x95009595, 0x10001010,
|
|
0x78007878, 0xd800d8d8, 0x42004242, 0xcc00cccc,
|
|
0xef00efef, 0x26002626, 0xe500e5e5, 0x61006161,
|
|
0x1a001a1a, 0x3f003f3f, 0x3b003b3b, 0x82008282,
|
|
0xb600b6b6, 0xdb00dbdb, 0xd400d4d4, 0x98009898,
|
|
0xe800e8e8, 0x8b008b8b, 0x02000202, 0xeb00ebeb,
|
|
0x0a000a0a, 0x2c002c2c, 0x1d001d1d, 0xb000b0b0,
|
|
0x6f006f6f, 0x8d008d8d, 0x88008888, 0x0e000e0e,
|
|
0x19001919, 0x87008787, 0x4e004e4e, 0x0b000b0b,
|
|
0xa900a9a9, 0x0c000c0c, 0x79007979, 0x11001111,
|
|
0x7f007f7f, 0x22002222, 0xe700e7e7, 0x59005959,
|
|
0xe100e1e1, 0xda00dada, 0x3d003d3d, 0xc800c8c8,
|
|
0x12001212, 0x04000404, 0x74007474, 0x54005454,
|
|
0x30003030, 0x7e007e7e, 0xb400b4b4, 0x28002828,
|
|
0x55005555, 0x68006868, 0x50005050, 0xbe00bebe,
|
|
0xd000d0d0, 0xc400c4c4, 0x31003131, 0xcb00cbcb,
|
|
0x2a002a2a, 0xad00adad, 0x0f000f0f, 0xca00caca,
|
|
0x70007070, 0xff00ffff, 0x32003232, 0x69006969,
|
|
0x08000808, 0x62006262, 0x00000000, 0x24002424,
|
|
0xd100d1d1, 0xfb00fbfb, 0xba00baba, 0xed00eded,
|
|
0x45004545, 0x81008181, 0x73007373, 0x6d006d6d,
|
|
0x84008484, 0x9f009f9f, 0xee00eeee, 0x4a004a4a,
|
|
0xc300c3c3, 0x2e002e2e, 0xc100c1c1, 0x01000101,
|
|
0xe600e6e6, 0x25002525, 0x48004848, 0x99009999,
|
|
0xb900b9b9, 0xb300b3b3, 0x7b007b7b, 0xf900f9f9,
|
|
0xce00cece, 0xbf00bfbf, 0xdf00dfdf, 0x71007171,
|
|
0x29002929, 0xcd00cdcd, 0x6c006c6c, 0x13001313,
|
|
0x64006464, 0x9b009b9b, 0x63006363, 0x9d009d9d,
|
|
0xc000c0c0, 0x4b004b4b, 0xb700b7b7, 0xa500a5a5,
|
|
0x89008989, 0x5f005f5f, 0xb100b1b1, 0x17001717,
|
|
0xf400f4f4, 0xbc00bcbc, 0xd300d3d3, 0x46004646,
|
|
0xcf00cfcf, 0x37003737, 0x5e005e5e, 0x47004747,
|
|
0x94009494, 0xfa00fafa, 0xfc00fcfc, 0x5b005b5b,
|
|
0x97009797, 0xfe00fefe, 0x5a005a5a, 0xac00acac,
|
|
0x3c003c3c, 0x4c004c4c, 0x03000303, 0x35003535,
|
|
0xf300f3f3, 0x23002323, 0xb800b8b8, 0x5d005d5d,
|
|
0x6a006a6a, 0x92009292, 0xd500d5d5, 0x21002121,
|
|
0x44004444, 0x51005151, 0xc600c6c6, 0x7d007d7d,
|
|
0x39003939, 0x83008383, 0xdc00dcdc, 0xaa00aaaa,
|
|
0x7c007c7c, 0x77007777, 0x56005656, 0x05000505,
|
|
0x1b001b1b, 0xa400a4a4, 0x15001515, 0x34003434,
|
|
0x1e001e1e, 0x1c001c1c, 0xf800f8f8, 0x52005252,
|
|
0x20002020, 0x14001414, 0xe900e9e9, 0xbd00bdbd,
|
|
0xdd00dddd, 0xe400e4e4, 0xa100a1a1, 0xe000e0e0,
|
|
0x8a008a8a, 0xf100f1f1, 0xd600d6d6, 0x7a007a7a,
|
|
0xbb00bbbb, 0xe300e3e3, 0x40004040, 0x4f004f4f,
|
|
};
|
|
|
|
static const u32 camellia_sp4404[256] = {
|
|
0x70700070, 0x2c2c002c, 0xb3b300b3, 0xc0c000c0,
|
|
0xe4e400e4, 0x57570057, 0xeaea00ea, 0xaeae00ae,
|
|
0x23230023, 0x6b6b006b, 0x45450045, 0xa5a500a5,
|
|
0xeded00ed, 0x4f4f004f, 0x1d1d001d, 0x92920092,
|
|
0x86860086, 0xafaf00af, 0x7c7c007c, 0x1f1f001f,
|
|
0x3e3e003e, 0xdcdc00dc, 0x5e5e005e, 0x0b0b000b,
|
|
0xa6a600a6, 0x39390039, 0xd5d500d5, 0x5d5d005d,
|
|
0xd9d900d9, 0x5a5a005a, 0x51510051, 0x6c6c006c,
|
|
0x8b8b008b, 0x9a9a009a, 0xfbfb00fb, 0xb0b000b0,
|
|
0x74740074, 0x2b2b002b, 0xf0f000f0, 0x84840084,
|
|
0xdfdf00df, 0xcbcb00cb, 0x34340034, 0x76760076,
|
|
0x6d6d006d, 0xa9a900a9, 0xd1d100d1, 0x04040004,
|
|
0x14140014, 0x3a3a003a, 0xdede00de, 0x11110011,
|
|
0x32320032, 0x9c9c009c, 0x53530053, 0xf2f200f2,
|
|
0xfefe00fe, 0xcfcf00cf, 0xc3c300c3, 0x7a7a007a,
|
|
0x24240024, 0xe8e800e8, 0x60600060, 0x69690069,
|
|
0xaaaa00aa, 0xa0a000a0, 0xa1a100a1, 0x62620062,
|
|
0x54540054, 0x1e1e001e, 0xe0e000e0, 0x64640064,
|
|
0x10100010, 0x00000000, 0xa3a300a3, 0x75750075,
|
|
0x8a8a008a, 0xe6e600e6, 0x09090009, 0xdddd00dd,
|
|
0x87870087, 0x83830083, 0xcdcd00cd, 0x90900090,
|
|
0x73730073, 0xf6f600f6, 0x9d9d009d, 0xbfbf00bf,
|
|
0x52520052, 0xd8d800d8, 0xc8c800c8, 0xc6c600c6,
|
|
0x81810081, 0x6f6f006f, 0x13130013, 0x63630063,
|
|
0xe9e900e9, 0xa7a700a7, 0x9f9f009f, 0xbcbc00bc,
|
|
0x29290029, 0xf9f900f9, 0x2f2f002f, 0xb4b400b4,
|
|
0x78780078, 0x06060006, 0xe7e700e7, 0x71710071,
|
|
0xd4d400d4, 0xabab00ab, 0x88880088, 0x8d8d008d,
|
|
0x72720072, 0xb9b900b9, 0xf8f800f8, 0xacac00ac,
|
|
0x36360036, 0x2a2a002a, 0x3c3c003c, 0xf1f100f1,
|
|
0x40400040, 0xd3d300d3, 0xbbbb00bb, 0x43430043,
|
|
0x15150015, 0xadad00ad, 0x77770077, 0x80800080,
|
|
0x82820082, 0xecec00ec, 0x27270027, 0xe5e500e5,
|
|
0x85850085, 0x35350035, 0x0c0c000c, 0x41410041,
|
|
0xefef00ef, 0x93930093, 0x19190019, 0x21210021,
|
|
0x0e0e000e, 0x4e4e004e, 0x65650065, 0xbdbd00bd,
|
|
0xb8b800b8, 0x8f8f008f, 0xebeb00eb, 0xcece00ce,
|
|
0x30300030, 0x5f5f005f, 0xc5c500c5, 0x1a1a001a,
|
|
0xe1e100e1, 0xcaca00ca, 0x47470047, 0x3d3d003d,
|
|
0x01010001, 0xd6d600d6, 0x56560056, 0x4d4d004d,
|
|
0x0d0d000d, 0x66660066, 0xcccc00cc, 0x2d2d002d,
|
|
0x12120012, 0x20200020, 0xb1b100b1, 0x99990099,
|
|
0x4c4c004c, 0xc2c200c2, 0x7e7e007e, 0x05050005,
|
|
0xb7b700b7, 0x31310031, 0x17170017, 0xd7d700d7,
|
|
0x58580058, 0x61610061, 0x1b1b001b, 0x1c1c001c,
|
|
0x0f0f000f, 0x16160016, 0x18180018, 0x22220022,
|
|
0x44440044, 0xb2b200b2, 0xb5b500b5, 0x91910091,
|
|
0x08080008, 0xa8a800a8, 0xfcfc00fc, 0x50500050,
|
|
0xd0d000d0, 0x7d7d007d, 0x89890089, 0x97970097,
|
|
0x5b5b005b, 0x95950095, 0xffff00ff, 0xd2d200d2,
|
|
0xc4c400c4, 0x48480048, 0xf7f700f7, 0xdbdb00db,
|
|
0x03030003, 0xdada00da, 0x3f3f003f, 0x94940094,
|
|
0x5c5c005c, 0x02020002, 0x4a4a004a, 0x33330033,
|
|
0x67670067, 0xf3f300f3, 0x7f7f007f, 0xe2e200e2,
|
|
0x9b9b009b, 0x26260026, 0x37370037, 0x3b3b003b,
|
|
0x96960096, 0x4b4b004b, 0xbebe00be, 0x2e2e002e,
|
|
0x79790079, 0x8c8c008c, 0x6e6e006e, 0x8e8e008e,
|
|
0xf5f500f5, 0xb6b600b6, 0xfdfd00fd, 0x59590059,
|
|
0x98980098, 0x6a6a006a, 0x46460046, 0xbaba00ba,
|
|
0x25250025, 0x42420042, 0xa2a200a2, 0xfafa00fa,
|
|
0x07070007, 0x55550055, 0xeeee00ee, 0x0a0a000a,
|
|
0x49490049, 0x68680068, 0x38380038, 0xa4a400a4,
|
|
0x28280028, 0x7b7b007b, 0xc9c900c9, 0xc1c100c1,
|
|
0xe3e300e3, 0xf4f400f4, 0xc7c700c7, 0x9e9e009e,
|
|
};
|
|
|
|
/**
|
|
* Stuff related to the Camellia key schedule
|
|
*/
|
|
#define subl(x) subL[(x)]
|
|
#define subr(x) subR[(x)]
|
|
|
|
void camellia_setup128(const u8 *key, u32 *subkey)
|
|
{
|
|
u32 kll, klr, krl, krr;
|
|
u32 il, ir, t0, t1, w0, w1;
|
|
u32 kw4l, kw4r, dw, tl, tr;
|
|
u32 subL[26];
|
|
u32 subR[26];
|
|
|
|
/**
|
|
* k == kll || klr || krl || krr (|| is concatination)
|
|
*/
|
|
kll = GETU32(key);
|
|
klr = GETU32(key + 4);
|
|
krl = GETU32(key + 8);
|
|
krr = GETU32(key + 12);
|
|
/**
|
|
* generate KL dependent subkeys
|
|
*/
|
|
/* kw1 */
|
|
subl(0) = kll;
|
|
subr(0) = klr;
|
|
/* kw2 */
|
|
subl(1) = krl;
|
|
subr(1) = krr;
|
|
/* rotation left shift 15bit */
|
|
CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15);
|
|
/* k3 */
|
|
subl(4) = kll;
|
|
subr(4) = klr;
|
|
/* k4 */
|
|
subl(5) = krl;
|
|
subr(5) = krr;
|
|
/* rotation left shift 15+30bit */
|
|
CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 30);
|
|
/* k7 */
|
|
subl(10) = kll;
|
|
subr(10) = klr;
|
|
/* k8 */
|
|
subl(11) = krl;
|
|
subr(11) = krr;
|
|
/* rotation left shift 15+30+15bit */
|
|
CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15);
|
|
/* k10 */
|
|
subl(13) = krl;
|
|
subr(13) = krr;
|
|
/* rotation left shift 15+30+15+17 bit */
|
|
CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 17);
|
|
/* kl3 */
|
|
subl(16) = kll;
|
|
subr(16) = klr;
|
|
/* kl4 */
|
|
subl(17) = krl;
|
|
subr(17) = krr;
|
|
/* rotation left shift 15+30+15+17+17 bit */
|
|
CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 17);
|
|
/* k13 */
|
|
subl(18) = kll;
|
|
subr(18) = klr;
|
|
/* k14 */
|
|
subl(19) = krl;
|
|
subr(19) = krr;
|
|
/* rotation left shift 15+30+15+17+17+17 bit */
|
|
CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 17);
|
|
/* k17 */
|
|
subl(22) = kll;
|
|
subr(22) = klr;
|
|
/* k18 */
|
|
subl(23) = krl;
|
|
subr(23) = krr;
|
|
|
|
/* generate KA */
|
|
kll = subl(0);
|
|
klr = subr(0);
|
|
krl = subl(1);
|
|
krr = subr(1);
|
|
CAMELLIA_F(kll, klr,
|
|
CAMELLIA_SIGMA1L, CAMELLIA_SIGMA1R, w0, w1, il, ir, t0, t1);
|
|
krl ^= w0;
|
|
krr ^= w1;
|
|
CAMELLIA_F(krl, krr,
|
|
CAMELLIA_SIGMA2L, CAMELLIA_SIGMA2R, kll, klr, il, ir, t0, t1);
|
|
/* current status == (kll, klr, w0, w1) */
|
|
CAMELLIA_F(kll, klr,
|
|
CAMELLIA_SIGMA3L, CAMELLIA_SIGMA3R, krl, krr, il, ir, t0, t1);
|
|
krl ^= w0;
|
|
krr ^= w1;
|
|
CAMELLIA_F(krl, krr,
|
|
CAMELLIA_SIGMA4L, CAMELLIA_SIGMA4R, w0, w1, il, ir, t0, t1);
|
|
kll ^= w0;
|
|
klr ^= w1;
|
|
|
|
/* generate KA dependent subkeys */
|
|
/* k1, k2 */
|
|
subl(2) = kll;
|
|
subr(2) = klr;
|
|
subl(3) = krl;
|
|
subr(3) = krr;
|
|
CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15);
|
|
/* k5,k6 */
|
|
subl(6) = kll;
|
|
subr(6) = klr;
|
|
subl(7) = krl;
|
|
subr(7) = krr;
|
|
CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15);
|
|
/* kl1, kl2 */
|
|
subl(8) = kll;
|
|
subr(8) = klr;
|
|
subl(9) = krl;
|
|
subr(9) = krr;
|
|
CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15);
|
|
/* k9 */
|
|
subl(12) = kll;
|
|
subr(12) = klr;
|
|
CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15);
|
|
/* k11, k12 */
|
|
subl(14) = kll;
|
|
subr(14) = klr;
|
|
subl(15) = krl;
|
|
subr(15) = krr;
|
|
CAMELLIA_ROLDQo32(kll, klr, krl, krr, w0, w1, 34);
|
|
/* k15, k16 */
|
|
subl(20) = kll;
|
|
subr(20) = klr;
|
|
subl(21) = krl;
|
|
subr(21) = krr;
|
|
CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 17);
|
|
/* kw3, kw4 */
|
|
subl(24) = kll;
|
|
subr(24) = klr;
|
|
subl(25) = krl;
|
|
subr(25) = krr;
|
|
|
|
/* absorb kw2 to other subkeys */
|
|
/* round 2 */
|
|
subl(3) ^= subl(1);
|
|
subr(3) ^= subr(1);
|
|
/* round 4 */
|
|
subl(5) ^= subl(1);
|
|
subr(5) ^= subr(1);
|
|
/* round 6 */
|
|
subl(7) ^= subl(1);
|
|
subr(7) ^= subr(1);
|
|
subl(1) ^= subr(1) & ~subr(9);
|
|
dw = subl(1) & subl(9), subr(1) ^= CAMELLIA_RL1(dw); /* modified for
|
|
* FLinv(kl2) */
|
|
/* round 8 */
|
|
subl(11) ^= subl(1);
|
|
subr(11) ^= subr(1);
|
|
/* round 10 */
|
|
subl(13) ^= subl(1);
|
|
subr(13) ^= subr(1);
|
|
/* round 12 */
|
|
subl(15) ^= subl(1);
|
|
subr(15) ^= subr(1);
|
|
subl(1) ^= subr(1) & ~subr(17);
|
|
dw = subl(1) & subl(17), subr(1) ^= CAMELLIA_RL1(dw); /* modified for
|
|
* FLinv(kl4) */
|
|
/* round 14 */
|
|
subl(19) ^= subl(1);
|
|
subr(19) ^= subr(1);
|
|
/* round 16 */
|
|
subl(21) ^= subl(1);
|
|
subr(21) ^= subr(1);
|
|
/* round 18 */
|
|
subl(23) ^= subl(1);
|
|
subr(23) ^= subr(1);
|
|
/* kw3 */
|
|
subl(24) ^= subl(1);
|
|
subr(24) ^= subr(1);
|
|
|
|
/* absorb kw4 to other subkeys */
|
|
kw4l = subl(25);
|
|
kw4r = subr(25);
|
|
/* round 17 */
|
|
subl(22) ^= kw4l;
|
|
subr(22) ^= kw4r;
|
|
/* round 15 */
|
|
subl(20) ^= kw4l;
|
|
subr(20) ^= kw4r;
|
|
/* round 13 */
|
|
subl(18) ^= kw4l;
|
|
subr(18) ^= kw4r;
|
|
kw4l ^= kw4r & ~subr(16);
|
|
dw = kw4l & subl(16), kw4r ^= CAMELLIA_RL1(dw); /* modified for FL(kl3) */
|
|
/* round 11 */
|
|
subl(14) ^= kw4l;
|
|
subr(14) ^= kw4r;
|
|
/* round 9 */
|
|
subl(12) ^= kw4l;
|
|
subr(12) ^= kw4r;
|
|
/* round 7 */
|
|
subl(10) ^= kw4l;
|
|
subr(10) ^= kw4r;
|
|
kw4l ^= kw4r & ~subr(8);
|
|
dw = kw4l & subl(8), kw4r ^= CAMELLIA_RL1(dw); /* modified for FL(kl1) */
|
|
/* round 5 */
|
|
subl(6) ^= kw4l;
|
|
subr(6) ^= kw4r;
|
|
/* round 3 */
|
|
subl(4) ^= kw4l;
|
|
subr(4) ^= kw4r;
|
|
/* round 1 */
|
|
subl(2) ^= kw4l;
|
|
subr(2) ^= kw4r;
|
|
/* kw1 */
|
|
subl(0) ^= kw4l;
|
|
subr(0) ^= kw4r;
|
|
|
|
/* key XOR is end of F-function */
|
|
CamelliaSubkeyL(0) = subl(0) ^ subl(2); /* kw1 */
|
|
CamelliaSubkeyR(0) = subr(0) ^ subr(2);
|
|
CamelliaSubkeyL(2) = subl(3); /* round 1 */
|
|
CamelliaSubkeyR(2) = subr(3);
|
|
CamelliaSubkeyL(3) = subl(2) ^ subl(4); /* round 2 */
|
|
CamelliaSubkeyR(3) = subr(2) ^ subr(4);
|
|
CamelliaSubkeyL(4) = subl(3) ^ subl(5); /* round 3 */
|
|
CamelliaSubkeyR(4) = subr(3) ^ subr(5);
|
|
CamelliaSubkeyL(5) = subl(4) ^ subl(6); /* round 4 */
|
|
CamelliaSubkeyR(5) = subr(4) ^ subr(6);
|
|
CamelliaSubkeyL(6) = subl(5) ^ subl(7); /* round 5 */
|
|
CamelliaSubkeyR(6) = subr(5) ^ subr(7);
|
|
tl = subl(10) ^ (subr(10) & ~subr(8));
|
|
dw = tl & subl(8), /* FL(kl1) */
|
|
tr = subr(10) ^ CAMELLIA_RL1(dw);
|
|
CamelliaSubkeyL(7) = subl(6) ^ tl; /* round 6 */
|
|
CamelliaSubkeyR(7) = subr(6) ^ tr;
|
|
CamelliaSubkeyL(8) = subl(8); /* FL(kl1) */
|
|
CamelliaSubkeyR(8) = subr(8);
|
|
CamelliaSubkeyL(9) = subl(9); /* FLinv(kl2) */
|
|
CamelliaSubkeyR(9) = subr(9);
|
|
tl = subl(7) ^ (subr(7) & ~subr(9));
|
|
dw = tl & subl(9), /* FLinv(kl2) */
|
|
tr = subr(7) ^ CAMELLIA_RL1(dw);
|
|
CamelliaSubkeyL(10) = tl ^ subl(11); /* round 7 */
|
|
CamelliaSubkeyR(10) = tr ^ subr(11);
|
|
CamelliaSubkeyL(11) = subl(10) ^ subl(12); /* round 8 */
|
|
CamelliaSubkeyR(11) = subr(10) ^ subr(12);
|
|
CamelliaSubkeyL(12) = subl(11) ^ subl(13); /* round 9 */
|
|
CamelliaSubkeyR(12) = subr(11) ^ subr(13);
|
|
CamelliaSubkeyL(13) = subl(12) ^ subl(14); /* round 10 */
|
|
CamelliaSubkeyR(13) = subr(12) ^ subr(14);
|
|
CamelliaSubkeyL(14) = subl(13) ^ subl(15); /* round 11 */
|
|
CamelliaSubkeyR(14) = subr(13) ^ subr(15);
|
|
tl = subl(18) ^ (subr(18) & ~subr(16));
|
|
dw = tl & subl(16), /* FL(kl3) */
|
|
tr = subr(18) ^ CAMELLIA_RL1(dw);
|
|
CamelliaSubkeyL(15) = subl(14) ^ tl; /* round 12 */
|
|
CamelliaSubkeyR(15) = subr(14) ^ tr;
|
|
CamelliaSubkeyL(16) = subl(16); /* FL(kl3) */
|
|
CamelliaSubkeyR(16) = subr(16);
|
|
CamelliaSubkeyL(17) = subl(17); /* FLinv(kl4) */
|
|
CamelliaSubkeyR(17) = subr(17);
|
|
tl = subl(15) ^ (subr(15) & ~subr(17));
|
|
dw = tl & subl(17), /* FLinv(kl4) */
|
|
tr = subr(15) ^ CAMELLIA_RL1(dw);
|
|
CamelliaSubkeyL(18) = tl ^ subl(19); /* round 13 */
|
|
CamelliaSubkeyR(18) = tr ^ subr(19);
|
|
CamelliaSubkeyL(19) = subl(18) ^ subl(20); /* round 14 */
|
|
CamelliaSubkeyR(19) = subr(18) ^ subr(20);
|
|
CamelliaSubkeyL(20) = subl(19) ^ subl(21); /* round 15 */
|
|
CamelliaSubkeyR(20) = subr(19) ^ subr(21);
|
|
CamelliaSubkeyL(21) = subl(20) ^ subl(22); /* round 16 */
|
|
CamelliaSubkeyR(21) = subr(20) ^ subr(22);
|
|
CamelliaSubkeyL(22) = subl(21) ^ subl(23); /* round 17 */
|
|
CamelliaSubkeyR(22) = subr(21) ^ subr(23);
|
|
CamelliaSubkeyL(23) = subl(22); /* round 18 */
|
|
CamelliaSubkeyR(23) = subr(22);
|
|
CamelliaSubkeyL(24) = subl(24) ^ subl(23); /* kw3 */
|
|
CamelliaSubkeyR(24) = subr(24) ^ subr(23);
|
|
|
|
/* apply the inverse of the last half of P-function */
|
|
/* round 1 */
|
|
dw = CamelliaSubkeyL(2) ^ CamelliaSubkeyR(2), dw = CAMELLIA_RL8(dw);
|
|
CamelliaSubkeyR(2) = CamelliaSubkeyL(2) ^ dw, CamelliaSubkeyL(2) = dw;
|
|
/* round 2 */
|
|
dw = CamelliaSubkeyL(3) ^ CamelliaSubkeyR(3), dw = CAMELLIA_RL8(dw);
|
|
CamelliaSubkeyR(3) = CamelliaSubkeyL(3) ^ dw, CamelliaSubkeyL(3) = dw;
|
|
/* round 3 */
|
|
dw = CamelliaSubkeyL(4) ^ CamelliaSubkeyR(4), dw = CAMELLIA_RL8(dw);
|
|
CamelliaSubkeyR(4) = CamelliaSubkeyL(4) ^ dw, CamelliaSubkeyL(4) = dw;
|
|
/* round 4 */
|
|
dw = CamelliaSubkeyL(5) ^ CamelliaSubkeyR(5), dw = CAMELLIA_RL8(dw);
|
|
CamelliaSubkeyR(5) = CamelliaSubkeyL(5) ^ dw, CamelliaSubkeyL(5) = dw;
|
|
/* round 5 */
|
|
dw = CamelliaSubkeyL(6) ^ CamelliaSubkeyR(6), dw = CAMELLIA_RL8(dw);
|
|
CamelliaSubkeyR(6) = CamelliaSubkeyL(6) ^ dw, CamelliaSubkeyL(6) = dw;
|
|
/* round 6 */
|
|
dw = CamelliaSubkeyL(7) ^ CamelliaSubkeyR(7), dw = CAMELLIA_RL8(dw);
|
|
CamelliaSubkeyR(7) = CamelliaSubkeyL(7) ^ dw, CamelliaSubkeyL(7) = dw;
|
|
/* round 7 */
|
|
dw = CamelliaSubkeyL(10) ^ CamelliaSubkeyR(10), dw = CAMELLIA_RL8(dw);
|
|
CamelliaSubkeyR(10) = CamelliaSubkeyL(10) ^ dw, CamelliaSubkeyL(10) = dw;
|
|
/* round 8 */
|
|
dw = CamelliaSubkeyL(11) ^ CamelliaSubkeyR(11), dw = CAMELLIA_RL8(dw);
|
|
CamelliaSubkeyR(11) = CamelliaSubkeyL(11) ^ dw, CamelliaSubkeyL(11) = dw;
|
|
/* round 9 */
|
|
dw = CamelliaSubkeyL(12) ^ CamelliaSubkeyR(12), dw = CAMELLIA_RL8(dw);
|
|
CamelliaSubkeyR(12) = CamelliaSubkeyL(12) ^ dw, CamelliaSubkeyL(12) = dw;
|
|
/* round 10 */
|
|
dw = CamelliaSubkeyL(13) ^ CamelliaSubkeyR(13), dw = CAMELLIA_RL8(dw);
|
|
CamelliaSubkeyR(13) = CamelliaSubkeyL(13) ^ dw, CamelliaSubkeyL(13) = dw;
|
|
/* round 11 */
|
|
dw = CamelliaSubkeyL(14) ^ CamelliaSubkeyR(14), dw = CAMELLIA_RL8(dw);
|
|
CamelliaSubkeyR(14) = CamelliaSubkeyL(14) ^ dw, CamelliaSubkeyL(14) = dw;
|
|
/* round 12 */
|
|
dw = CamelliaSubkeyL(15) ^ CamelliaSubkeyR(15), dw = CAMELLIA_RL8(dw);
|
|
CamelliaSubkeyR(15) = CamelliaSubkeyL(15) ^ dw, CamelliaSubkeyL(15) = dw;
|
|
/* round 13 */
|
|
dw = CamelliaSubkeyL(18) ^ CamelliaSubkeyR(18), dw = CAMELLIA_RL8(dw);
|
|
CamelliaSubkeyR(18) = CamelliaSubkeyL(18) ^ dw, CamelliaSubkeyL(18) = dw;
|
|
/* round 14 */
|
|
dw = CamelliaSubkeyL(19) ^ CamelliaSubkeyR(19), dw = CAMELLIA_RL8(dw);
|
|
CamelliaSubkeyR(19) = CamelliaSubkeyL(19) ^ dw, CamelliaSubkeyL(19) = dw;
|
|
/* round 15 */
|
|
dw = CamelliaSubkeyL(20) ^ CamelliaSubkeyR(20), dw = CAMELLIA_RL8(dw);
|
|
CamelliaSubkeyR(20) = CamelliaSubkeyL(20) ^ dw, CamelliaSubkeyL(20) = dw;
|
|
/* round 16 */
|
|
dw = CamelliaSubkeyL(21) ^ CamelliaSubkeyR(21), dw = CAMELLIA_RL8(dw);
|
|
CamelliaSubkeyR(21) = CamelliaSubkeyL(21) ^ dw, CamelliaSubkeyL(21) = dw;
|
|
/* round 17 */
|
|
dw = CamelliaSubkeyL(22) ^ CamelliaSubkeyR(22), dw = CAMELLIA_RL8(dw);
|
|
CamelliaSubkeyR(22) = CamelliaSubkeyL(22) ^ dw, CamelliaSubkeyL(22) = dw;
|
|
/* round 18 */
|
|
dw = CamelliaSubkeyL(23) ^ CamelliaSubkeyR(23), dw = CAMELLIA_RL8(dw);
|
|
CamelliaSubkeyR(23) = CamelliaSubkeyL(23) ^ dw, CamelliaSubkeyL(23) = dw;
|
|
|
|
return;
|
|
}
|
|
|
|
void camellia_setup256(const u8 *key, u32 *subkey)
|
|
{
|
|
u32 kll, klr, krl, krr; /* left half of key */
|
|
u32 krll, krlr, krrl, krrr; /* right half of key */
|
|
u32 il, ir, t0, t1, w0, w1; /* temporary variables */
|
|
u32 kw4l, kw4r, dw, tl, tr;
|
|
u32 subL[34];
|
|
u32 subR[34];
|
|
|
|
/**
|
|
* key = (kll || klr || krl || krr || krll || krlr || krrl || krrr)
|
|
* (|| is concatination)
|
|
*/
|
|
|
|
kll = GETU32(key);
|
|
klr = GETU32(key + 4);
|
|
krl = GETU32(key + 8);
|
|
krr = GETU32(key + 12);
|
|
krll = GETU32(key + 16);
|
|
krlr = GETU32(key + 20);
|
|
krrl = GETU32(key + 24);
|
|
krrr = GETU32(key + 28);
|
|
|
|
/* generate KL dependent subkeys */
|
|
/* kw1 */
|
|
subl(0) = kll;
|
|
subr(0) = klr;
|
|
/* kw2 */
|
|
subl(1) = krl;
|
|
subr(1) = krr;
|
|
CAMELLIA_ROLDQo32(kll, klr, krl, krr, w0, w1, 45);
|
|
/* k9 */
|
|
subl(12) = kll;
|
|
subr(12) = klr;
|
|
/* k10 */
|
|
subl(13) = krl;
|
|
subr(13) = krr;
|
|
CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15);
|
|
/* kl3 */
|
|
subl(16) = kll;
|
|
subr(16) = klr;
|
|
/* kl4 */
|
|
subl(17) = krl;
|
|
subr(17) = krr;
|
|
CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 17);
|
|
/* k17 */
|
|
subl(22) = kll;
|
|
subr(22) = klr;
|
|
/* k18 */
|
|
subl(23) = krl;
|
|
subr(23) = krr;
|
|
CAMELLIA_ROLDQo32(kll, klr, krl, krr, w0, w1, 34);
|
|
/* k23 */
|
|
subl(30) = kll;
|
|
subr(30) = klr;
|
|
/* k24 */
|
|
subl(31) = krl;
|
|
subr(31) = krr;
|
|
|
|
/* generate KR dependent subkeys */
|
|
CAMELLIA_ROLDQ(krll, krlr, krrl, krrr, w0, w1, 15);
|
|
/* k3 */
|
|
subl(4) = krll;
|
|
subr(4) = krlr;
|
|
/* k4 */
|
|
subl(5) = krrl;
|
|
subr(5) = krrr;
|
|
CAMELLIA_ROLDQ(krll, krlr, krrl, krrr, w0, w1, 15);
|
|
/* kl1 */
|
|
subl(8) = krll;
|
|
subr(8) = krlr;
|
|
/* kl2 */
|
|
subl(9) = krrl;
|
|
subr(9) = krrr;
|
|
CAMELLIA_ROLDQ(krll, krlr, krrl, krrr, w0, w1, 30);
|
|
/* k13 */
|
|
subl(18) = krll;
|
|
subr(18) = krlr;
|
|
/* k14 */
|
|
subl(19) = krrl;
|
|
subr(19) = krrr;
|
|
CAMELLIA_ROLDQo32(krll, krlr, krrl, krrr, w0, w1, 34);
|
|
/* k19 */
|
|
subl(26) = krll;
|
|
subr(26) = krlr;
|
|
/* k20 */
|
|
subl(27) = krrl;
|
|
subr(27) = krrr;
|
|
CAMELLIA_ROLDQo32(krll, krlr, krrl, krrr, w0, w1, 34);
|
|
|
|
/* generate KA */
|
|
kll = subl(0) ^ krll;
|
|
klr = subr(0) ^ krlr;
|
|
krl = subl(1) ^ krrl;
|
|
krr = subr(1) ^ krrr;
|
|
CAMELLIA_F(kll, klr,
|
|
CAMELLIA_SIGMA1L, CAMELLIA_SIGMA1R, w0, w1, il, ir, t0, t1);
|
|
krl ^= w0;
|
|
krr ^= w1;
|
|
CAMELLIA_F(krl, krr,
|
|
CAMELLIA_SIGMA2L, CAMELLIA_SIGMA2R, kll, klr, il, ir, t0, t1);
|
|
kll ^= krll;
|
|
klr ^= krlr;
|
|
CAMELLIA_F(kll, klr,
|
|
CAMELLIA_SIGMA3L, CAMELLIA_SIGMA3R, krl, krr, il, ir, t0, t1);
|
|
krl ^= w0 ^ krrl;
|
|
krr ^= w1 ^ krrr;
|
|
CAMELLIA_F(krl, krr,
|
|
CAMELLIA_SIGMA4L, CAMELLIA_SIGMA4R, w0, w1, il, ir, t0, t1);
|
|
kll ^= w0;
|
|
klr ^= w1;
|
|
|
|
/* generate KB */
|
|
krll ^= kll;
|
|
krlr ^= klr;
|
|
krrl ^= krl;
|
|
krrr ^= krr;
|
|
CAMELLIA_F(krll, krlr,
|
|
CAMELLIA_SIGMA5L, CAMELLIA_SIGMA5R, w0, w1, il, ir, t0, t1);
|
|
krrl ^= w0;
|
|
krrr ^= w1;
|
|
CAMELLIA_F(krrl, krrr,
|
|
CAMELLIA_SIGMA6L, CAMELLIA_SIGMA6R, w0, w1, il, ir, t0, t1);
|
|
krll ^= w0;
|
|
krlr ^= w1;
|
|
|
|
/* generate KA dependent subkeys */
|
|
CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15);
|
|
/* k5 */
|
|
subl(6) = kll;
|
|
subr(6) = klr;
|
|
/* k6 */
|
|
subl(7) = krl;
|
|
subr(7) = krr;
|
|
CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 30);
|
|
/* k11 */
|
|
subl(14) = kll;
|
|
subr(14) = klr;
|
|
/* k12 */
|
|
subl(15) = krl;
|
|
subr(15) = krr;
|
|
/* rotation left shift 32bit */
|
|
/* kl5 */
|
|
subl(24) = klr;
|
|
subr(24) = krl;
|
|
/* kl6 */
|
|
subl(25) = krr;
|
|
subr(25) = kll;
|
|
/* rotation left shift 49 from k11,k12 -> k21,k22 */
|
|
CAMELLIA_ROLDQo32(kll, klr, krl, krr, w0, w1, 49);
|
|
/* k21 */
|
|
subl(28) = kll;
|
|
subr(28) = klr;
|
|
/* k22 */
|
|
subl(29) = krl;
|
|
subr(29) = krr;
|
|
|
|
/* generate KB dependent subkeys */
|
|
/* k1 */
|
|
subl(2) = krll;
|
|
subr(2) = krlr;
|
|
/* k2 */
|
|
subl(3) = krrl;
|
|
subr(3) = krrr;
|
|
CAMELLIA_ROLDQ(krll, krlr, krrl, krrr, w0, w1, 30);
|
|
/* k7 */
|
|
subl(10) = krll;
|
|
subr(10) = krlr;
|
|
/* k8 */
|
|
subl(11) = krrl;
|
|
subr(11) = krrr;
|
|
CAMELLIA_ROLDQ(krll, krlr, krrl, krrr, w0, w1, 30);
|
|
/* k15 */
|
|
subl(20) = krll;
|
|
subr(20) = krlr;
|
|
/* k16 */
|
|
subl(21) = krrl;
|
|
subr(21) = krrr;
|
|
CAMELLIA_ROLDQo32(krll, krlr, krrl, krrr, w0, w1, 51);
|
|
/* kw3 */
|
|
subl(32) = krll;
|
|
subr(32) = krlr;
|
|
/* kw4 */
|
|
subl(33) = krrl;
|
|
subr(33) = krrr;
|
|
|
|
/* absorb kw2 to other subkeys */
|
|
/* round 2 */
|
|
subl(3) ^= subl(1);
|
|
subr(3) ^= subr(1);
|
|
/* round 4 */
|
|
subl(5) ^= subl(1);
|
|
subr(5) ^= subr(1);
|
|
/* round 6 */
|
|
subl(7) ^= subl(1);
|
|
subr(7) ^= subr(1);
|
|
subl(1) ^= subr(1) & ~subr(9);
|
|
dw = subl(1) & subl(9), subr(1) ^= CAMELLIA_RL1(dw); /* modified for
|
|
* FLinv(kl2) */
|
|
/* round 8 */
|
|
subl(11) ^= subl(1);
|
|
subr(11) ^= subr(1);
|
|
/* round 10 */
|
|
subl(13) ^= subl(1);
|
|
subr(13) ^= subr(1);
|
|
/* round 12 */
|
|
subl(15) ^= subl(1);
|
|
subr(15) ^= subr(1);
|
|
subl(1) ^= subr(1) & ~subr(17);
|
|
dw = subl(1) & subl(17), subr(1) ^= CAMELLIA_RL1(dw); /* modified for
|
|
* FLinv(kl4) */
|
|
/* round 14 */
|
|
subl(19) ^= subl(1);
|
|
subr(19) ^= subr(1);
|
|
/* round 16 */
|
|
subl(21) ^= subl(1);
|
|
subr(21) ^= subr(1);
|
|
/* round 18 */
|
|
subl(23) ^= subl(1);
|
|
subr(23) ^= subr(1);
|
|
subl(1) ^= subr(1) & ~subr(25);
|
|
dw = subl(1) & subl(25), subr(1) ^= CAMELLIA_RL1(dw); /* modified for
|
|
* FLinv(kl6) */
|
|
/* round 20 */
|
|
subl(27) ^= subl(1);
|
|
subr(27) ^= subr(1);
|
|
/* round 22 */
|
|
subl(29) ^= subl(1);
|
|
subr(29) ^= subr(1);
|
|
/* round 24 */
|
|
subl(31) ^= subl(1);
|
|
subr(31) ^= subr(1);
|
|
/* kw3 */
|
|
subl(32) ^= subl(1);
|
|
subr(32) ^= subr(1);
|
|
|
|
/* absorb kw4 to other subkeys */
|
|
kw4l = subl(33);
|
|
kw4r = subr(33);
|
|
/* round 23 */
|
|
subl(30) ^= kw4l;
|
|
subr(30) ^= kw4r;
|
|
/* round 21 */
|
|
subl(28) ^= kw4l;
|
|
subr(28) ^= kw4r;
|
|
/* round 19 */
|
|
subl(26) ^= kw4l;
|
|
subr(26) ^= kw4r;
|
|
kw4l ^= kw4r & ~subr(24);
|
|
dw = kw4l & subl(24), kw4r ^= CAMELLIA_RL1(dw); /* modified for FL(kl5) */
|
|
/* round 17 */
|
|
subl(22) ^= kw4l;
|
|
subr(22) ^= kw4r;
|
|
/* round 15 */
|
|
subl(20) ^= kw4l;
|
|
subr(20) ^= kw4r;
|
|
/* round 13 */
|
|
subl(18) ^= kw4l;
|
|
subr(18) ^= kw4r;
|
|
kw4l ^= kw4r & ~subr(16);
|
|
dw = kw4l & subl(16), kw4r ^= CAMELLIA_RL1(dw); /* modified for FL(kl3) */
|
|
/* round 11 */
|
|
subl(14) ^= kw4l;
|
|
subr(14) ^= kw4r;
|
|
/* round 9 */
|
|
subl(12) ^= kw4l;
|
|
subr(12) ^= kw4r;
|
|
/* round 7 */
|
|
subl(10) ^= kw4l;
|
|
subr(10) ^= kw4r;
|
|
kw4l ^= kw4r & ~subr(8);
|
|
dw = kw4l & subl(8), kw4r ^= CAMELLIA_RL1(dw); /* modified for FL(kl1) */
|
|
/* round 5 */
|
|
subl(6) ^= kw4l;
|
|
subr(6) ^= kw4r;
|
|
/* round 3 */
|
|
subl(4) ^= kw4l;
|
|
subr(4) ^= kw4r;
|
|
/* round 1 */
|
|
subl(2) ^= kw4l;
|
|
subr(2) ^= kw4r;
|
|
/* kw1 */
|
|
subl(0) ^= kw4l;
|
|
subr(0) ^= kw4r;
|
|
|
|
/* key XOR is end of F-function */
|
|
CamelliaSubkeyL(0) = subl(0) ^ subl(2); /* kw1 */
|
|
CamelliaSubkeyR(0) = subr(0) ^ subr(2);
|
|
CamelliaSubkeyL(2) = subl(3); /* round 1 */
|
|
CamelliaSubkeyR(2) = subr(3);
|
|
CamelliaSubkeyL(3) = subl(2) ^ subl(4); /* round 2 */
|
|
CamelliaSubkeyR(3) = subr(2) ^ subr(4);
|
|
CamelliaSubkeyL(4) = subl(3) ^ subl(5); /* round 3 */
|
|
CamelliaSubkeyR(4) = subr(3) ^ subr(5);
|
|
CamelliaSubkeyL(5) = subl(4) ^ subl(6); /* round 4 */
|
|
CamelliaSubkeyR(5) = subr(4) ^ subr(6);
|
|
CamelliaSubkeyL(6) = subl(5) ^ subl(7); /* round 5 */
|
|
CamelliaSubkeyR(6) = subr(5) ^ subr(7);
|
|
tl = subl(10) ^ (subr(10) & ~subr(8));
|
|
dw = tl & subl(8), /* FL(kl1) */
|
|
tr = subr(10) ^ CAMELLIA_RL1(dw);
|
|
CamelliaSubkeyL(7) = subl(6) ^ tl; /* round 6 */
|
|
CamelliaSubkeyR(7) = subr(6) ^ tr;
|
|
CamelliaSubkeyL(8) = subl(8); /* FL(kl1) */
|
|
CamelliaSubkeyR(8) = subr(8);
|
|
CamelliaSubkeyL(9) = subl(9); /* FLinv(kl2) */
|
|
CamelliaSubkeyR(9) = subr(9);
|
|
tl = subl(7) ^ (subr(7) & ~subr(9));
|
|
dw = tl & subl(9), /* FLinv(kl2) */
|
|
tr = subr(7) ^ CAMELLIA_RL1(dw);
|
|
CamelliaSubkeyL(10) = tl ^ subl(11); /* round 7 */
|
|
CamelliaSubkeyR(10) = tr ^ subr(11);
|
|
CamelliaSubkeyL(11) = subl(10) ^ subl(12); /* round 8 */
|
|
CamelliaSubkeyR(11) = subr(10) ^ subr(12);
|
|
CamelliaSubkeyL(12) = subl(11) ^ subl(13); /* round 9 */
|
|
CamelliaSubkeyR(12) = subr(11) ^ subr(13);
|
|
CamelliaSubkeyL(13) = subl(12) ^ subl(14); /* round 10 */
|
|
CamelliaSubkeyR(13) = subr(12) ^ subr(14);
|
|
CamelliaSubkeyL(14) = subl(13) ^ subl(15); /* round 11 */
|
|
CamelliaSubkeyR(14) = subr(13) ^ subr(15);
|
|
tl = subl(18) ^ (subr(18) & ~subr(16));
|
|
dw = tl & subl(16), /* FL(kl3) */
|
|
tr = subr(18) ^ CAMELLIA_RL1(dw);
|
|
CamelliaSubkeyL(15) = subl(14) ^ tl; /* round 12 */
|
|
CamelliaSubkeyR(15) = subr(14) ^ tr;
|
|
CamelliaSubkeyL(16) = subl(16); /* FL(kl3) */
|
|
CamelliaSubkeyR(16) = subr(16);
|
|
CamelliaSubkeyL(17) = subl(17); /* FLinv(kl4) */
|
|
CamelliaSubkeyR(17) = subr(17);
|
|
tl = subl(15) ^ (subr(15) & ~subr(17));
|
|
dw = tl & subl(17), /* FLinv(kl4) */
|
|
tr = subr(15) ^ CAMELLIA_RL1(dw);
|
|
CamelliaSubkeyL(18) = tl ^ subl(19); /* round 13 */
|
|
CamelliaSubkeyR(18) = tr ^ subr(19);
|
|
CamelliaSubkeyL(19) = subl(18) ^ subl(20); /* round 14 */
|
|
CamelliaSubkeyR(19) = subr(18) ^ subr(20);
|
|
CamelliaSubkeyL(20) = subl(19) ^ subl(21); /* round 15 */
|
|
CamelliaSubkeyR(20) = subr(19) ^ subr(21);
|
|
CamelliaSubkeyL(21) = subl(20) ^ subl(22); /* round 16 */
|
|
CamelliaSubkeyR(21) = subr(20) ^ subr(22);
|
|
CamelliaSubkeyL(22) = subl(21) ^ subl(23); /* round 17 */
|
|
CamelliaSubkeyR(22) = subr(21) ^ subr(23);
|
|
tl = subl(26) ^ (subr(26)
|
|
& ~subr(24));
|
|
dw = tl & subl(24), /* FL(kl5) */
|
|
tr = subr(26) ^ CAMELLIA_RL1(dw);
|
|
CamelliaSubkeyL(23) = subl(22) ^ tl; /* round 18 */
|
|
CamelliaSubkeyR(23) = subr(22) ^ tr;
|
|
CamelliaSubkeyL(24) = subl(24); /* FL(kl5) */
|
|
CamelliaSubkeyR(24) = subr(24);
|
|
CamelliaSubkeyL(25) = subl(25); /* FLinv(kl6) */
|
|
CamelliaSubkeyR(25) = subr(25);
|
|
tl = subl(23) ^ (subr(23) & ~subr(25));
|
|
dw = tl & subl(25), /* FLinv(kl6) */
|
|
tr = subr(23) ^ CAMELLIA_RL1(dw);
|
|
CamelliaSubkeyL(26) = tl ^ subl(27); /* round 19 */
|
|
CamelliaSubkeyR(26) = tr ^ subr(27);
|
|
CamelliaSubkeyL(27) = subl(26) ^ subl(28); /* round 20 */
|
|
CamelliaSubkeyR(27) = subr(26) ^ subr(28);
|
|
CamelliaSubkeyL(28) = subl(27) ^ subl(29); /* round 21 */
|
|
CamelliaSubkeyR(28) = subr(27) ^ subr(29);
|
|
CamelliaSubkeyL(29) = subl(28) ^ subl(30); /* round 22 */
|
|
CamelliaSubkeyR(29) = subr(28) ^ subr(30);
|
|
CamelliaSubkeyL(30) = subl(29) ^ subl(31); /* round 23 */
|
|
CamelliaSubkeyR(30) = subr(29) ^ subr(31);
|
|
CamelliaSubkeyL(31) = subl(30); /* round 24 */
|
|
CamelliaSubkeyR(31) = subr(30);
|
|
CamelliaSubkeyL(32) = subl(32) ^ subl(31); /* kw3 */
|
|
CamelliaSubkeyR(32) = subr(32) ^ subr(31);
|
|
|
|
/* apply the inverse of the last half of P-function */
|
|
/* round 1 */
|
|
dw = CamelliaSubkeyL(2) ^ CamelliaSubkeyR(2), dw = CAMELLIA_RL8(dw);
|
|
CamelliaSubkeyR(2) = CamelliaSubkeyL(2) ^ dw, CamelliaSubkeyL(2) = dw;
|
|
/* round 2 */
|
|
dw = CamelliaSubkeyL(3) ^ CamelliaSubkeyR(3), dw = CAMELLIA_RL8(dw);
|
|
CamelliaSubkeyR(3) = CamelliaSubkeyL(3) ^ dw, CamelliaSubkeyL(3) = dw;
|
|
/* round 3 */
|
|
dw = CamelliaSubkeyL(4) ^ CamelliaSubkeyR(4), dw = CAMELLIA_RL8(dw);
|
|
CamelliaSubkeyR(4) = CamelliaSubkeyL(4) ^ dw, CamelliaSubkeyL(4) = dw;
|
|
/* round 4 */
|
|
dw = CamelliaSubkeyL(5) ^ CamelliaSubkeyR(5), dw = CAMELLIA_RL8(dw);
|
|
CamelliaSubkeyR(5) = CamelliaSubkeyL(5) ^ dw, CamelliaSubkeyL(5) = dw;
|
|
/* round 5 */
|
|
dw = CamelliaSubkeyL(6) ^ CamelliaSubkeyR(6), dw = CAMELLIA_RL8(dw);
|
|
CamelliaSubkeyR(6) = CamelliaSubkeyL(6) ^ dw, CamelliaSubkeyL(6) = dw;
|
|
/* round 6 */
|
|
dw = CamelliaSubkeyL(7) ^ CamelliaSubkeyR(7), dw = CAMELLIA_RL8(dw);
|
|
CamelliaSubkeyR(7) = CamelliaSubkeyL(7) ^ dw, CamelliaSubkeyL(7) = dw;
|
|
/* round 7 */
|
|
dw = CamelliaSubkeyL(10) ^ CamelliaSubkeyR(10), dw = CAMELLIA_RL8(dw);
|
|
CamelliaSubkeyR(10) = CamelliaSubkeyL(10) ^ dw, CamelliaSubkeyL(10) = dw;
|
|
/* round 8 */
|
|
dw = CamelliaSubkeyL(11) ^ CamelliaSubkeyR(11), dw = CAMELLIA_RL8(dw);
|
|
CamelliaSubkeyR(11) = CamelliaSubkeyL(11) ^ dw, CamelliaSubkeyL(11) = dw;
|
|
/* round 9 */
|
|
dw = CamelliaSubkeyL(12) ^ CamelliaSubkeyR(12), dw = CAMELLIA_RL8(dw);
|
|
CamelliaSubkeyR(12) = CamelliaSubkeyL(12) ^ dw, CamelliaSubkeyL(12) = dw;
|
|
/* round 10 */
|
|
dw = CamelliaSubkeyL(13) ^ CamelliaSubkeyR(13), dw = CAMELLIA_RL8(dw);
|
|
CamelliaSubkeyR(13) = CamelliaSubkeyL(13) ^ dw, CamelliaSubkeyL(13) = dw;
|
|
/* round 11 */
|
|
dw = CamelliaSubkeyL(14) ^ CamelliaSubkeyR(14), dw = CAMELLIA_RL8(dw);
|
|
CamelliaSubkeyR(14) = CamelliaSubkeyL(14) ^ dw, CamelliaSubkeyL(14) = dw;
|
|
/* round 12 */
|
|
dw = CamelliaSubkeyL(15) ^ CamelliaSubkeyR(15), dw = CAMELLIA_RL8(dw);
|
|
CamelliaSubkeyR(15) = CamelliaSubkeyL(15) ^ dw, CamelliaSubkeyL(15) = dw;
|
|
/* round 13 */
|
|
dw = CamelliaSubkeyL(18) ^ CamelliaSubkeyR(18), dw = CAMELLIA_RL8(dw);
|
|
CamelliaSubkeyR(18) = CamelliaSubkeyL(18) ^ dw, CamelliaSubkeyL(18) = dw;
|
|
/* round 14 */
|
|
dw = CamelliaSubkeyL(19) ^ CamelliaSubkeyR(19), dw = CAMELLIA_RL8(dw);
|
|
CamelliaSubkeyR(19) = CamelliaSubkeyL(19) ^ dw, CamelliaSubkeyL(19) = dw;
|
|
/* round 15 */
|
|
dw = CamelliaSubkeyL(20) ^ CamelliaSubkeyR(20), dw = CAMELLIA_RL8(dw);
|
|
CamelliaSubkeyR(20) = CamelliaSubkeyL(20) ^ dw, CamelliaSubkeyL(20) = dw;
|
|
/* round 16 */
|
|
dw = CamelliaSubkeyL(21) ^ CamelliaSubkeyR(21), dw = CAMELLIA_RL8(dw);
|
|
CamelliaSubkeyR(21) = CamelliaSubkeyL(21) ^ dw, CamelliaSubkeyL(21) = dw;
|
|
/* round 17 */
|
|
dw = CamelliaSubkeyL(22) ^ CamelliaSubkeyR(22), dw = CAMELLIA_RL8(dw);
|
|
CamelliaSubkeyR(22) = CamelliaSubkeyL(22) ^ dw, CamelliaSubkeyL(22) = dw;
|
|
/* round 18 */
|
|
dw = CamelliaSubkeyL(23) ^ CamelliaSubkeyR(23), dw = CAMELLIA_RL8(dw);
|
|
CamelliaSubkeyR(23) = CamelliaSubkeyL(23) ^ dw, CamelliaSubkeyL(23) = dw;
|
|
/* round 19 */
|
|
dw = CamelliaSubkeyL(26) ^ CamelliaSubkeyR(26), dw = CAMELLIA_RL8(dw);
|
|
CamelliaSubkeyR(26) = CamelliaSubkeyL(26) ^ dw, CamelliaSubkeyL(26) = dw;
|
|
/* round 20 */
|
|
dw = CamelliaSubkeyL(27) ^ CamelliaSubkeyR(27), dw = CAMELLIA_RL8(dw);
|
|
CamelliaSubkeyR(27) = CamelliaSubkeyL(27) ^ dw, CamelliaSubkeyL(27) = dw;
|
|
/* round 21 */
|
|
dw = CamelliaSubkeyL(28) ^ CamelliaSubkeyR(28), dw = CAMELLIA_RL8(dw);
|
|
CamelliaSubkeyR(28) = CamelliaSubkeyL(28) ^ dw, CamelliaSubkeyL(28) = dw;
|
|
/* round 22 */
|
|
dw = CamelliaSubkeyL(29) ^ CamelliaSubkeyR(29), dw = CAMELLIA_RL8(dw);
|
|
CamelliaSubkeyR(29) = CamelliaSubkeyL(29) ^ dw, CamelliaSubkeyL(29) = dw;
|
|
/* round 23 */
|
|
dw = CamelliaSubkeyL(30) ^ CamelliaSubkeyR(30), dw = CAMELLIA_RL8(dw);
|
|
CamelliaSubkeyR(30) = CamelliaSubkeyL(30) ^ dw, CamelliaSubkeyL(30) = dw;
|
|
/* round 24 */
|
|
dw = CamelliaSubkeyL(31) ^ CamelliaSubkeyR(31), dw = CAMELLIA_RL8(dw);
|
|
CamelliaSubkeyR(31) = CamelliaSubkeyL(31) ^ dw, CamelliaSubkeyL(31) = dw;
|
|
|
|
return;
|
|
}
|
|
|
|
void camellia_setup192(const u8 *key, u32 *subkey)
|
|
{
|
|
u8 kk[32];
|
|
u32 krll, krlr, krrl, krrr;
|
|
|
|
memcpy(kk, key, 24);
|
|
memcpy((u8 *)&krll, key + 16, 4);
|
|
memcpy((u8 *)&krlr, key + 20, 4);
|
|
krrl = ~krll;
|
|
krrr = ~krlr;
|
|
memcpy(kk + 24, (u8 *)&krrl, 4);
|
|
memcpy(kk + 28, (u8 *)&krrr, 4);
|
|
camellia_setup256(kk, subkey);
|
|
return;
|
|
}
|
|
|
|
/**
|
|
* Stuff related to camellia encryption/decryption
|
|
*/
|
|
void camellia_encrypt128(const u32 *subkey, u32 *io)
|
|
{
|
|
u32 il, ir, t0, t1;
|
|
|
|
/* pre whitening but absorb kw2 */
|
|
io[0] ^= CamelliaSubkeyL(0);
|
|
io[1] ^= CamelliaSubkeyR(0);
|
|
/* main iteration */
|
|
|
|
CAMELLIA_ROUNDSM(io[0], io[1],
|
|
CamelliaSubkeyL(2), CamelliaSubkeyR(2),
|
|
io[2], io[3], il, ir, t0, t1);
|
|
CAMELLIA_ROUNDSM(io[2], io[3],
|
|
CamelliaSubkeyL(3), CamelliaSubkeyR(3),
|
|
io[0], io[1], il, ir, t0, t1);
|
|
CAMELLIA_ROUNDSM(io[0], io[1],
|
|
CamelliaSubkeyL(4), CamelliaSubkeyR(4),
|
|
io[2], io[3], il, ir, t0, t1);
|
|
CAMELLIA_ROUNDSM(io[2], io[3],
|
|
CamelliaSubkeyL(5), CamelliaSubkeyR(5),
|
|
io[0], io[1], il, ir, t0, t1);
|
|
CAMELLIA_ROUNDSM(io[0], io[1],
|
|
CamelliaSubkeyL(6), CamelliaSubkeyR(6),
|
|
io[2], io[3], il, ir, t0, t1);
|
|
CAMELLIA_ROUNDSM(io[2], io[3],
|
|
CamelliaSubkeyL(7), CamelliaSubkeyR(7),
|
|
io[0], io[1], il, ir, t0, t1);
|
|
|
|
CAMELLIA_FLS(io[0], io[1], io[2], io[3],
|
|
CamelliaSubkeyL(8), CamelliaSubkeyR(8),
|
|
CamelliaSubkeyL(9), CamelliaSubkeyR(9), t0, t1, il, ir);
|
|
|
|
CAMELLIA_ROUNDSM(io[0], io[1],
|
|
CamelliaSubkeyL(10), CamelliaSubkeyR(10),
|
|
io[2], io[3], il, ir, t0, t1);
|
|
CAMELLIA_ROUNDSM(io[2], io[3],
|
|
CamelliaSubkeyL(11), CamelliaSubkeyR(11),
|
|
io[0], io[1], il, ir, t0, t1);
|
|
CAMELLIA_ROUNDSM(io[0], io[1],
|
|
CamelliaSubkeyL(12), CamelliaSubkeyR(12),
|
|
io[2], io[3], il, ir, t0, t1);
|
|
CAMELLIA_ROUNDSM(io[2], io[3],
|
|
CamelliaSubkeyL(13), CamelliaSubkeyR(13),
|
|
io[0], io[1], il, ir, t0, t1);
|
|
CAMELLIA_ROUNDSM(io[0], io[1],
|
|
CamelliaSubkeyL(14), CamelliaSubkeyR(14),
|
|
io[2], io[3], il, ir, t0, t1);
|
|
CAMELLIA_ROUNDSM(io[2], io[3],
|
|
CamelliaSubkeyL(15), CamelliaSubkeyR(15),
|
|
io[0], io[1], il, ir, t0, t1);
|
|
|
|
CAMELLIA_FLS(io[0], io[1], io[2], io[3],
|
|
CamelliaSubkeyL(16), CamelliaSubkeyR(16),
|
|
CamelliaSubkeyL(17), CamelliaSubkeyR(17), t0, t1, il, ir);
|
|
|
|
CAMELLIA_ROUNDSM(io[0], io[1],
|
|
CamelliaSubkeyL(18), CamelliaSubkeyR(18),
|
|
io[2], io[3], il, ir, t0, t1);
|
|
CAMELLIA_ROUNDSM(io[2], io[3],
|
|
CamelliaSubkeyL(19), CamelliaSubkeyR(19),
|
|
io[0], io[1], il, ir, t0, t1);
|
|
CAMELLIA_ROUNDSM(io[0], io[1],
|
|
CamelliaSubkeyL(20), CamelliaSubkeyR(20),
|
|
io[2], io[3], il, ir, t0, t1);
|
|
CAMELLIA_ROUNDSM(io[2], io[3],
|
|
CamelliaSubkeyL(21), CamelliaSubkeyR(21),
|
|
io[0], io[1], il, ir, t0, t1);
|
|
CAMELLIA_ROUNDSM(io[0], io[1],
|
|
CamelliaSubkeyL(22), CamelliaSubkeyR(22),
|
|
io[2], io[3], il, ir, t0, t1);
|
|
CAMELLIA_ROUNDSM(io[2], io[3],
|
|
CamelliaSubkeyL(23), CamelliaSubkeyR(23),
|
|
io[0], io[1], il, ir, t0, t1);
|
|
|
|
/* post whitening but kw4 */
|
|
io[2] ^= CamelliaSubkeyL(24);
|
|
io[3] ^= CamelliaSubkeyR(24);
|
|
|
|
t0 = io[0];
|
|
t1 = io[1];
|
|
io[0] = io[2];
|
|
io[1] = io[3];
|
|
io[2] = t0;
|
|
io[3] = t1;
|
|
|
|
return;
|
|
}
|
|
|
|
void camellia_decrypt128(const u32 *subkey, u32 *io)
|
|
{
|
|
u32 il, ir, t0, t1; /* temporary valiables */
|
|
|
|
/* pre whitening but absorb kw2 */
|
|
io[0] ^= CamelliaSubkeyL(24);
|
|
io[1] ^= CamelliaSubkeyR(24);
|
|
|
|
/* main iteration */
|
|
CAMELLIA_ROUNDSM(io[0], io[1],
|
|
CamelliaSubkeyL(23), CamelliaSubkeyR(23),
|
|
io[2], io[3], il, ir, t0, t1);
|
|
CAMELLIA_ROUNDSM(io[2], io[3],
|
|
CamelliaSubkeyL(22), CamelliaSubkeyR(22),
|
|
io[0], io[1], il, ir, t0, t1);
|
|
CAMELLIA_ROUNDSM(io[0], io[1],
|
|
CamelliaSubkeyL(21), CamelliaSubkeyR(21),
|
|
io[2], io[3], il, ir, t0, t1);
|
|
CAMELLIA_ROUNDSM(io[2], io[3],
|
|
CamelliaSubkeyL(20), CamelliaSubkeyR(20),
|
|
io[0], io[1], il, ir, t0, t1);
|
|
CAMELLIA_ROUNDSM(io[0], io[1],
|
|
CamelliaSubkeyL(19), CamelliaSubkeyR(19),
|
|
io[2], io[3], il, ir, t0, t1);
|
|
CAMELLIA_ROUNDSM(io[2], io[3],
|
|
CamelliaSubkeyL(18), CamelliaSubkeyR(18),
|
|
io[0], io[1], il, ir, t0, t1);
|
|
|
|
CAMELLIA_FLS(io[0], io[1], io[2], io[3],
|
|
CamelliaSubkeyL(17), CamelliaSubkeyR(17),
|
|
CamelliaSubkeyL(16), CamelliaSubkeyR(16), t0, t1, il, ir);
|
|
|
|
CAMELLIA_ROUNDSM(io[0], io[1],
|
|
CamelliaSubkeyL(15), CamelliaSubkeyR(15),
|
|
io[2], io[3], il, ir, t0, t1);
|
|
CAMELLIA_ROUNDSM(io[2], io[3],
|
|
CamelliaSubkeyL(14), CamelliaSubkeyR(14),
|
|
io[0], io[1], il, ir, t0, t1);
|
|
CAMELLIA_ROUNDSM(io[0], io[1],
|
|
CamelliaSubkeyL(13), CamelliaSubkeyR(13),
|
|
io[2], io[3], il, ir, t0, t1);
|
|
CAMELLIA_ROUNDSM(io[2], io[3],
|
|
CamelliaSubkeyL(12), CamelliaSubkeyR(12),
|
|
io[0], io[1], il, ir, t0, t1);
|
|
CAMELLIA_ROUNDSM(io[0], io[1],
|
|
CamelliaSubkeyL(11), CamelliaSubkeyR(11),
|
|
io[2], io[3], il, ir, t0, t1);
|
|
CAMELLIA_ROUNDSM(io[2], io[3],
|
|
CamelliaSubkeyL(10), CamelliaSubkeyR(10),
|
|
io[0], io[1], il, ir, t0, t1);
|
|
|
|
CAMELLIA_FLS(io[0], io[1], io[2], io[3],
|
|
CamelliaSubkeyL(9), CamelliaSubkeyR(9),
|
|
CamelliaSubkeyL(8), CamelliaSubkeyR(8), t0, t1, il, ir);
|
|
|
|
CAMELLIA_ROUNDSM(io[0], io[1],
|
|
CamelliaSubkeyL(7), CamelliaSubkeyR(7),
|
|
io[2], io[3], il, ir, t0, t1);
|
|
CAMELLIA_ROUNDSM(io[2], io[3],
|
|
CamelliaSubkeyL(6), CamelliaSubkeyR(6),
|
|
io[0], io[1], il, ir, t0, t1);
|
|
CAMELLIA_ROUNDSM(io[0], io[1],
|
|
CamelliaSubkeyL(5), CamelliaSubkeyR(5),
|
|
io[2], io[3], il, ir, t0, t1);
|
|
CAMELLIA_ROUNDSM(io[2], io[3],
|
|
CamelliaSubkeyL(4), CamelliaSubkeyR(4),
|
|
io[0], io[1], il, ir, t0, t1);
|
|
CAMELLIA_ROUNDSM(io[0], io[1],
|
|
CamelliaSubkeyL(3), CamelliaSubkeyR(3),
|
|
io[2], io[3], il, ir, t0, t1);
|
|
CAMELLIA_ROUNDSM(io[2], io[3],
|
|
CamelliaSubkeyL(2), CamelliaSubkeyR(2),
|
|
io[0], io[1], il, ir, t0, t1);
|
|
|
|
/* post whitening but kw4 */
|
|
io[2] ^= CamelliaSubkeyL(0);
|
|
io[3] ^= CamelliaSubkeyR(0);
|
|
|
|
t0 = io[0];
|
|
t1 = io[1];
|
|
io[0] = io[2];
|
|
io[1] = io[3];
|
|
io[2] = t0;
|
|
io[3] = t1;
|
|
|
|
return;
|
|
}
|
|
|
|
/**
|
|
* stuff for 192 and 256bit encryption/decryption
|
|
*/
|
|
void camellia_encrypt256(const u32 *subkey, u32 *io)
|
|
{
|
|
u32 il, ir, t0, t1; /* temporary valiables */
|
|
|
|
/* pre whitening but absorb kw2 */
|
|
io[0] ^= CamelliaSubkeyL(0);
|
|
io[1] ^= CamelliaSubkeyR(0);
|
|
|
|
/* main iteration */
|
|
CAMELLIA_ROUNDSM(io[0], io[1],
|
|
CamelliaSubkeyL(2), CamelliaSubkeyR(2),
|
|
io[2], io[3], il, ir, t0, t1);
|
|
CAMELLIA_ROUNDSM(io[2], io[3],
|
|
CamelliaSubkeyL(3), CamelliaSubkeyR(3),
|
|
io[0], io[1], il, ir, t0, t1);
|
|
CAMELLIA_ROUNDSM(io[0], io[1],
|
|
CamelliaSubkeyL(4), CamelliaSubkeyR(4),
|
|
io[2], io[3], il, ir, t0, t1);
|
|
CAMELLIA_ROUNDSM(io[2], io[3],
|
|
CamelliaSubkeyL(5), CamelliaSubkeyR(5),
|
|
io[0], io[1], il, ir, t0, t1);
|
|
CAMELLIA_ROUNDSM(io[0], io[1],
|
|
CamelliaSubkeyL(6), CamelliaSubkeyR(6),
|
|
io[2], io[3], il, ir, t0, t1);
|
|
CAMELLIA_ROUNDSM(io[2], io[3],
|
|
CamelliaSubkeyL(7), CamelliaSubkeyR(7),
|
|
io[0], io[1], il, ir, t0, t1);
|
|
|
|
CAMELLIA_FLS(io[0], io[1], io[2], io[3],
|
|
CamelliaSubkeyL(8), CamelliaSubkeyR(8),
|
|
CamelliaSubkeyL(9), CamelliaSubkeyR(9), t0, t1, il, ir);
|
|
|
|
CAMELLIA_ROUNDSM(io[0], io[1],
|
|
CamelliaSubkeyL(10), CamelliaSubkeyR(10),
|
|
io[2], io[3], il, ir, t0, t1);
|
|
CAMELLIA_ROUNDSM(io[2], io[3],
|
|
CamelliaSubkeyL(11), CamelliaSubkeyR(11),
|
|
io[0], io[1], il, ir, t0, t1);
|
|
CAMELLIA_ROUNDSM(io[0], io[1],
|
|
CamelliaSubkeyL(12), CamelliaSubkeyR(12),
|
|
io[2], io[3], il, ir, t0, t1);
|
|
CAMELLIA_ROUNDSM(io[2], io[3],
|
|
CamelliaSubkeyL(13), CamelliaSubkeyR(13),
|
|
io[0], io[1], il, ir, t0, t1);
|
|
CAMELLIA_ROUNDSM(io[0], io[1],
|
|
CamelliaSubkeyL(14), CamelliaSubkeyR(14),
|
|
io[2], io[3], il, ir, t0, t1);
|
|
CAMELLIA_ROUNDSM(io[2], io[3],
|
|
CamelliaSubkeyL(15), CamelliaSubkeyR(15),
|
|
io[0], io[1], il, ir, t0, t1);
|
|
|
|
CAMELLIA_FLS(io[0], io[1], io[2], io[3],
|
|
CamelliaSubkeyL(16), CamelliaSubkeyR(16),
|
|
CamelliaSubkeyL(17), CamelliaSubkeyR(17), t0, t1, il, ir);
|
|
|
|
CAMELLIA_ROUNDSM(io[0], io[1],
|
|
CamelliaSubkeyL(18), CamelliaSubkeyR(18),
|
|
io[2], io[3], il, ir, t0, t1);
|
|
CAMELLIA_ROUNDSM(io[2], io[3],
|
|
CamelliaSubkeyL(19), CamelliaSubkeyR(19),
|
|
io[0], io[1], il, ir, t0, t1);
|
|
CAMELLIA_ROUNDSM(io[0], io[1],
|
|
CamelliaSubkeyL(20), CamelliaSubkeyR(20),
|
|
io[2], io[3], il, ir, t0, t1);
|
|
CAMELLIA_ROUNDSM(io[2], io[3],
|
|
CamelliaSubkeyL(21), CamelliaSubkeyR(21),
|
|
io[0], io[1], il, ir, t0, t1);
|
|
CAMELLIA_ROUNDSM(io[0], io[1],
|
|
CamelliaSubkeyL(22), CamelliaSubkeyR(22),
|
|
io[2], io[3], il, ir, t0, t1);
|
|
CAMELLIA_ROUNDSM(io[2], io[3],
|
|
CamelliaSubkeyL(23), CamelliaSubkeyR(23),
|
|
io[0], io[1], il, ir, t0, t1);
|
|
|
|
CAMELLIA_FLS(io[0], io[1], io[2], io[3],
|
|
CamelliaSubkeyL(24), CamelliaSubkeyR(24),
|
|
CamelliaSubkeyL(25), CamelliaSubkeyR(25), t0, t1, il, ir);
|
|
|
|
CAMELLIA_ROUNDSM(io[0], io[1],
|
|
CamelliaSubkeyL(26), CamelliaSubkeyR(26),
|
|
io[2], io[3], il, ir, t0, t1);
|
|
CAMELLIA_ROUNDSM(io[2], io[3],
|
|
CamelliaSubkeyL(27), CamelliaSubkeyR(27),
|
|
io[0], io[1], il, ir, t0, t1);
|
|
CAMELLIA_ROUNDSM(io[0], io[1],
|
|
CamelliaSubkeyL(28), CamelliaSubkeyR(28),
|
|
io[2], io[3], il, ir, t0, t1);
|
|
CAMELLIA_ROUNDSM(io[2], io[3],
|
|
CamelliaSubkeyL(29), CamelliaSubkeyR(29),
|
|
io[0], io[1], il, ir, t0, t1);
|
|
CAMELLIA_ROUNDSM(io[0], io[1],
|
|
CamelliaSubkeyL(30), CamelliaSubkeyR(30),
|
|
io[2], io[3], il, ir, t0, t1);
|
|
CAMELLIA_ROUNDSM(io[2], io[3],
|
|
CamelliaSubkeyL(31), CamelliaSubkeyR(31),
|
|
io[0], io[1], il, ir, t0, t1);
|
|
|
|
/* post whitening but kw4 */
|
|
io[2] ^= CamelliaSubkeyL(32);
|
|
io[3] ^= CamelliaSubkeyR(32);
|
|
|
|
t0 = io[0];
|
|
t1 = io[1];
|
|
io[0] = io[2];
|
|
io[1] = io[3];
|
|
io[2] = t0;
|
|
io[3] = t1;
|
|
|
|
return;
|
|
}
|
|
|
|
void camellia_decrypt256(const u32 *subkey, u32 *io)
|
|
{
|
|
u32 il, ir, t0, t1; /* temporary valiables */
|
|
|
|
/* pre whitening but absorb kw2 */
|
|
io[0] ^= CamelliaSubkeyL(32);
|
|
io[1] ^= CamelliaSubkeyR(32);
|
|
|
|
/* main iteration */
|
|
CAMELLIA_ROUNDSM(io[0], io[1],
|
|
CamelliaSubkeyL(31), CamelliaSubkeyR(31),
|
|
io[2], io[3], il, ir, t0, t1);
|
|
CAMELLIA_ROUNDSM(io[2], io[3],
|
|
CamelliaSubkeyL(30), CamelliaSubkeyR(30),
|
|
io[0], io[1], il, ir, t0, t1);
|
|
CAMELLIA_ROUNDSM(io[0], io[1],
|
|
CamelliaSubkeyL(29), CamelliaSubkeyR(29),
|
|
io[2], io[3], il, ir, t0, t1);
|
|
CAMELLIA_ROUNDSM(io[2], io[3],
|
|
CamelliaSubkeyL(28), CamelliaSubkeyR(28),
|
|
io[0], io[1], il, ir, t0, t1);
|
|
CAMELLIA_ROUNDSM(io[0], io[1],
|
|
CamelliaSubkeyL(27), CamelliaSubkeyR(27),
|
|
io[2], io[3], il, ir, t0, t1);
|
|
CAMELLIA_ROUNDSM(io[2], io[3],
|
|
CamelliaSubkeyL(26), CamelliaSubkeyR(26),
|
|
io[0], io[1], il, ir, t0, t1);
|
|
|
|
CAMELLIA_FLS(io[0], io[1], io[2], io[3],
|
|
CamelliaSubkeyL(25), CamelliaSubkeyR(25),
|
|
CamelliaSubkeyL(24), CamelliaSubkeyR(24), t0, t1, il, ir);
|
|
|
|
CAMELLIA_ROUNDSM(io[0], io[1],
|
|
CamelliaSubkeyL(23), CamelliaSubkeyR(23),
|
|
io[2], io[3], il, ir, t0, t1);
|
|
CAMELLIA_ROUNDSM(io[2], io[3],
|
|
CamelliaSubkeyL(22), CamelliaSubkeyR(22),
|
|
io[0], io[1], il, ir, t0, t1);
|
|
CAMELLIA_ROUNDSM(io[0], io[1],
|
|
CamelliaSubkeyL(21), CamelliaSubkeyR(21),
|
|
io[2], io[3], il, ir, t0, t1);
|
|
CAMELLIA_ROUNDSM(io[2], io[3],
|
|
CamelliaSubkeyL(20), CamelliaSubkeyR(20),
|
|
io[0], io[1], il, ir, t0, t1);
|
|
CAMELLIA_ROUNDSM(io[0], io[1],
|
|
CamelliaSubkeyL(19), CamelliaSubkeyR(19),
|
|
io[2], io[3], il, ir, t0, t1);
|
|
CAMELLIA_ROUNDSM(io[2], io[3],
|
|
CamelliaSubkeyL(18), CamelliaSubkeyR(18),
|
|
io[0], io[1], il, ir, t0, t1);
|
|
|
|
CAMELLIA_FLS(io[0], io[1], io[2], io[3],
|
|
CamelliaSubkeyL(17), CamelliaSubkeyR(17),
|
|
CamelliaSubkeyL(16), CamelliaSubkeyR(16), t0, t1, il, ir);
|
|
|
|
CAMELLIA_ROUNDSM(io[0], io[1],
|
|
CamelliaSubkeyL(15), CamelliaSubkeyR(15),
|
|
io[2], io[3], il, ir, t0, t1);
|
|
CAMELLIA_ROUNDSM(io[2], io[3],
|
|
CamelliaSubkeyL(14), CamelliaSubkeyR(14),
|
|
io[0], io[1], il, ir, t0, t1);
|
|
CAMELLIA_ROUNDSM(io[0], io[1],
|
|
CamelliaSubkeyL(13), CamelliaSubkeyR(13),
|
|
io[2], io[3], il, ir, t0, t1);
|
|
CAMELLIA_ROUNDSM(io[2], io[3],
|
|
CamelliaSubkeyL(12), CamelliaSubkeyR(12),
|
|
io[0], io[1], il, ir, t0, t1);
|
|
CAMELLIA_ROUNDSM(io[0], io[1],
|
|
CamelliaSubkeyL(11), CamelliaSubkeyR(11),
|
|
io[2], io[3], il, ir, t0, t1);
|
|
CAMELLIA_ROUNDSM(io[2], io[3],
|
|
CamelliaSubkeyL(10), CamelliaSubkeyR(10),
|
|
io[0], io[1], il, ir, t0, t1);
|
|
|
|
CAMELLIA_FLS(io[0], io[1], io[2], io[3],
|
|
CamelliaSubkeyL(9), CamelliaSubkeyR(9),
|
|
CamelliaSubkeyL(8), CamelliaSubkeyR(8), t0, t1, il, ir);
|
|
|
|
CAMELLIA_ROUNDSM(io[0], io[1],
|
|
CamelliaSubkeyL(7), CamelliaSubkeyR(7),
|
|
io[2], io[3], il, ir, t0, t1);
|
|
CAMELLIA_ROUNDSM(io[2], io[3],
|
|
CamelliaSubkeyL(6), CamelliaSubkeyR(6),
|
|
io[0], io[1], il, ir, t0, t1);
|
|
CAMELLIA_ROUNDSM(io[0], io[1],
|
|
CamelliaSubkeyL(5), CamelliaSubkeyR(5),
|
|
io[2], io[3], il, ir, t0, t1);
|
|
CAMELLIA_ROUNDSM(io[2], io[3],
|
|
CamelliaSubkeyL(4), CamelliaSubkeyR(4),
|
|
io[0], io[1], il, ir, t0, t1);
|
|
CAMELLIA_ROUNDSM(io[0], io[1],
|
|
CamelliaSubkeyL(3), CamelliaSubkeyR(3),
|
|
io[2], io[3], il, ir, t0, t1);
|
|
CAMELLIA_ROUNDSM(io[2], io[3],
|
|
CamelliaSubkeyL(2), CamelliaSubkeyR(2),
|
|
io[0], io[1], il, ir, t0, t1);
|
|
|
|
/* post whitening but kw4 */
|
|
io[2] ^= CamelliaSubkeyL(0);
|
|
io[3] ^= CamelliaSubkeyR(0);
|
|
|
|
t0 = io[0];
|
|
t1 = io[1];
|
|
io[0] = io[2];
|
|
io[1] = io[3];
|
|
io[2] = t0;
|
|
io[3] = t1;
|
|
|
|
return;
|
|
}
|