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Diffstat (limited to '')
-rw-r--r-- | src/lib/libcrypto/camellia/camellia.c | 696 |
1 files changed, 0 insertions, 696 deletions
diff --git a/src/lib/libcrypto/camellia/camellia.c b/src/lib/libcrypto/camellia/camellia.c deleted file mode 100644 index 94e81a4773..0000000000 --- a/src/lib/libcrypto/camellia/camellia.c +++ /dev/null | |||
@@ -1,696 +0,0 @@ | |||
1 | /* $OpenBSD: camellia.c,v 1.14 2024/03/30 04:58:12 joshua Exp $ */ | ||
2 | /* ==================================================================== | ||
3 | * Copyright 2006 NTT (Nippon Telegraph and Telephone Corporation) . | ||
4 | * ALL RIGHTS RESERVED. | ||
5 | * | ||
6 | * Intellectual Property information for Camellia: | ||
7 | * http://info.isl.ntt.co.jp/crypt/eng/info/chiteki.html | ||
8 | * | ||
9 | * News Release for Announcement of Camellia open source: | ||
10 | * http://www.ntt.co.jp/news/news06e/0604/060413a.html | ||
11 | * | ||
12 | * The Camellia Code included herein is developed by | ||
13 | * NTT (Nippon Telegraph and Telephone Corporation), and is contributed | ||
14 | * to the OpenSSL project. | ||
15 | * | ||
16 | * The Camellia Code is licensed pursuant to the OpenSSL open source | ||
17 | * license provided below. | ||
18 | */ | ||
19 | /* ==================================================================== | ||
20 | * Copyright (c) 2006 The OpenSSL Project. All rights reserved. | ||
21 | * | ||
22 | * Redistribution and use in source and binary forms, with or without | ||
23 | * modification, are permitted provided that the following conditions | ||
24 | * are met: | ||
25 | * | ||
26 | * 1. Redistributions of source code must retain the above copyright | ||
27 | * notice, this list of conditions and the following disclaimer. | ||
28 | * | ||
29 | * 2. Redistributions in binary form must reproduce the above copyright | ||
30 | * notice, this list of conditions and the following disclaimer in | ||
31 | * the documentation and/or other materials provided with the | ||
32 | * distribution. | ||
33 | * | ||
34 | * 3. All advertising materials mentioning features or use of this | ||
35 | * software must display the following acknowledgment: | ||
36 | * "This product includes software developed by the OpenSSL Project | ||
37 | * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" | ||
38 | * | ||
39 | * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to | ||
40 | * endorse or promote products derived from this software without | ||
41 | * prior written permission. For written permission, please contact | ||
42 | * openssl-core@openssl.org. | ||
43 | * | ||
44 | * 5. Products derived from this software may not be called "OpenSSL" | ||
45 | * nor may "OpenSSL" appear in their names without prior written | ||
46 | * permission of the OpenSSL Project. | ||
47 | * | ||
48 | * 6. Redistributions of any form whatsoever must retain the following | ||
49 | * acknowledgment: | ||
50 | * "This product includes software developed by the OpenSSL Project | ||
51 | * for use in the OpenSSL Toolkit (http://www.openssl.org/)" | ||
52 | * | ||
53 | * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY | ||
54 | * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||
55 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | ||
56 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR | ||
57 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | ||
58 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | ||
59 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | ||
60 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | ||
61 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | ||
62 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | ||
63 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | ||
64 | * OF THE POSSIBILITY OF SUCH DAMAGE. | ||
65 | * ==================================================================== | ||
66 | */ | ||
67 | |||
68 | /* | ||
69 | * Algorithm Specification | ||
70 | * http://info.isl.ntt.co.jp/crypt/eng/camellia/specifications.html | ||
71 | */ | ||
72 | |||
73 | /* | ||
74 | * This release balances code size and performance. In particular key | ||
75 | * schedule setup is fully unrolled, because doing so *significantly* | ||
76 | * reduces amount of instructions per setup round and code increase is | ||
77 | * justifiable. In block functions on the other hand only inner loops | ||
78 | * are unrolled, as full unroll gives only nominal performance boost, | ||
79 | * while code size grows 4 or 7 times. Also, unlike previous versions | ||
80 | * this one "encourages" compiler to keep intermediate variables in | ||
81 | * registers, which should give better "all round" results, in other | ||
82 | * words reasonable performance even with not so modern compilers. | ||
83 | */ | ||
84 | |||
85 | #include <stdlib.h> | ||
86 | #include <string.h> | ||
87 | |||
88 | #include <openssl/opensslconf.h> | ||
89 | |||
90 | #include <openssl/camellia.h> | ||
91 | #include <openssl/modes.h> | ||
92 | |||
93 | typedef unsigned int u32; | ||
94 | typedef unsigned char u8; | ||
95 | |||
96 | int Camellia_Ekeygen(int keyBitLength, const u8 *rawKey, | ||
97 | KEY_TABLE_TYPE keyTable); | ||
98 | void Camellia_EncryptBlock_Rounds(int grandRounds, const u8 plaintext[], | ||
99 | const KEY_TABLE_TYPE keyTable, u8 ciphertext[]); | ||
100 | void Camellia_DecryptBlock_Rounds(int grandRounds, const u8 ciphertext[], | ||
101 | const KEY_TABLE_TYPE keyTable, u8 plaintext[]); | ||
102 | void Camellia_EncryptBlock(int keyBitLength, const u8 plaintext[], | ||
103 | const KEY_TABLE_TYPE keyTable, u8 ciphertext[]); | ||
104 | void Camellia_DecryptBlock(int keyBitLength, const u8 ciphertext[], | ||
105 | const KEY_TABLE_TYPE keyTable, u8 plaintext[]); | ||
106 | |||
107 | /* 32-bit rotations */ | ||
108 | #if !defined(OPENSSL_NO_ASM) && !defined(OPENSSL_NO_INLINE_ASM) | ||
109 | # if defined(__GNUC__) && __GNUC__>=2 | ||
110 | # if defined(__i386) || defined(__x86_64) | ||
111 | # define RightRotate(x,s) ({u32 ret; asm ("rorl %1,%0":"=r"(ret):"I"(s),"0"(x):"cc"); ret; }) | ||
112 | # define LeftRotate(x,s) ({u32 ret; asm ("roll %1,%0":"=r"(ret):"I"(s),"0"(x):"cc"); ret; }) | ||
113 | # define GETU32(p) ({u32 r=*(const u32 *)(p); asm("bswapl %0":"=r"(r):"0"(r)); r; }) | ||
114 | # define PUTU32(p,v) ({u32 r=(v); asm("bswapl %0":"=r"(r):"0"(r)); *(u32 *)(p)=r; }) | ||
115 | # elif defined(_ARCH_PPC) || defined(_ARCH_PPC64) || \ | ||
116 | defined(__powerpc) || defined(__ppc__) || defined(__powerpc64__) | ||
117 | # define LeftRotate(x,s) ({u32 ret; asm ("rlwinm %0,%1,%2,0,31":"=r"(ret):"r"(x),"I"(s)); ret; }) | ||
118 | # define RightRotate(x,s) LeftRotate(x,(32-s)) | ||
119 | # endif | ||
120 | # endif | ||
121 | #endif | ||
122 | |||
123 | #if !defined(RightRotate) && !defined(LeftRotate) | ||
124 | # define RightRotate(x, s) ( ((x) >> (s)) + ((x) << (32 - s)) ) | ||
125 | # define LeftRotate(x, s) ( ((x) << (s)) + ((x) >> (32 - s)) ) | ||
126 | #endif | ||
127 | |||
128 | #if !defined(GETU32) && !defined(PUTU32) | ||
129 | # define GETU32(p) (((u32)(p)[0] << 24) ^ ((u32)(p)[1] << 16) ^ ((u32)(p)[2] << 8) ^ ((u32)(p)[3])) | ||
130 | # define PUTU32(p,v) ((p)[0] = (u8)((v) >> 24), (p)[1] = (u8)((v) >> 16), (p)[2] = (u8)((v) >> 8), (p)[3] = (u8)(v)) | ||
131 | #endif | ||
132 | |||
133 | /* S-box data */ | ||
134 | #define SBOX1_1110 Camellia_SBOX[0] | ||
135 | #define SBOX4_4404 Camellia_SBOX[1] | ||
136 | #define SBOX2_0222 Camellia_SBOX[2] | ||
137 | #define SBOX3_3033 Camellia_SBOX[3] | ||
138 | static const u32 Camellia_SBOX[][256] = { | ||
139 | { 0x70707000, 0x82828200, 0x2c2c2c00, 0xececec00, 0xb3b3b300, 0x27272700, | ||
140 | 0xc0c0c000, 0xe5e5e500, 0xe4e4e400, 0x85858500, 0x57575700, 0x35353500, | ||
141 | 0xeaeaea00, 0x0c0c0c00, 0xaeaeae00, 0x41414100, 0x23232300, 0xefefef00, | ||
142 | 0x6b6b6b00, 0x93939300, 0x45454500, 0x19191900, 0xa5a5a500, 0x21212100, | ||
143 | 0xededed00, 0x0e0e0e00, 0x4f4f4f00, 0x4e4e4e00, 0x1d1d1d00, 0x65656500, | ||
144 | 0x92929200, 0xbdbdbd00, 0x86868600, 0xb8b8b800, 0xafafaf00, 0x8f8f8f00, | ||
145 | 0x7c7c7c00, 0xebebeb00, 0x1f1f1f00, 0xcecece00, 0x3e3e3e00, 0x30303000, | ||
146 | 0xdcdcdc00, 0x5f5f5f00, 0x5e5e5e00, 0xc5c5c500, 0x0b0b0b00, 0x1a1a1a00, | ||
147 | 0xa6a6a600, 0xe1e1e100, 0x39393900, 0xcacaca00, 0xd5d5d500, 0x47474700, | ||
148 | 0x5d5d5d00, 0x3d3d3d00, 0xd9d9d900, 0x01010100, 0x5a5a5a00, 0xd6d6d600, | ||
149 | 0x51515100, 0x56565600, 0x6c6c6c00, 0x4d4d4d00, 0x8b8b8b00, 0x0d0d0d00, | ||
150 | 0x9a9a9a00, 0x66666600, 0xfbfbfb00, 0xcccccc00, 0xb0b0b000, 0x2d2d2d00, | ||
151 | 0x74747400, 0x12121200, 0x2b2b2b00, 0x20202000, 0xf0f0f000, 0xb1b1b100, | ||
152 | 0x84848400, 0x99999900, 0xdfdfdf00, 0x4c4c4c00, 0xcbcbcb00, 0xc2c2c200, | ||
153 | 0x34343400, 0x7e7e7e00, 0x76767600, 0x05050500, 0x6d6d6d00, 0xb7b7b700, | ||
154 | 0xa9a9a900, 0x31313100, 0xd1d1d100, 0x17171700, 0x04040400, 0xd7d7d700, | ||
155 | 0x14141400, 0x58585800, 0x3a3a3a00, 0x61616100, 0xdedede00, 0x1b1b1b00, | ||
156 | 0x11111100, 0x1c1c1c00, 0x32323200, 0x0f0f0f00, 0x9c9c9c00, 0x16161600, | ||
157 | 0x53535300, 0x18181800, 0xf2f2f200, 0x22222200, 0xfefefe00, 0x44444400, | ||
158 | 0xcfcfcf00, 0xb2b2b200, 0xc3c3c300, 0xb5b5b500, 0x7a7a7a00, 0x91919100, | ||
159 | 0x24242400, 0x08080800, 0xe8e8e800, 0xa8a8a800, 0x60606000, 0xfcfcfc00, | ||
160 | 0x69696900, 0x50505000, 0xaaaaaa00, 0xd0d0d000, 0xa0a0a000, 0x7d7d7d00, | ||
161 | 0xa1a1a100, 0x89898900, 0x62626200, 0x97979700, 0x54545400, 0x5b5b5b00, | ||
162 | 0x1e1e1e00, 0x95959500, 0xe0e0e000, 0xffffff00, 0x64646400, 0xd2d2d200, | ||
163 | 0x10101000, 0xc4c4c400, 0x00000000, 0x48484800, 0xa3a3a300, 0xf7f7f700, | ||
164 | 0x75757500, 0xdbdbdb00, 0x8a8a8a00, 0x03030300, 0xe6e6e600, 0xdadada00, | ||
165 | 0x09090900, 0x3f3f3f00, 0xdddddd00, 0x94949400, 0x87878700, 0x5c5c5c00, | ||
166 | 0x83838300, 0x02020200, 0xcdcdcd00, 0x4a4a4a00, 0x90909000, 0x33333300, | ||
167 | 0x73737300, 0x67676700, 0xf6f6f600, 0xf3f3f300, 0x9d9d9d00, 0x7f7f7f00, | ||
168 | 0xbfbfbf00, 0xe2e2e200, 0x52525200, 0x9b9b9b00, 0xd8d8d800, 0x26262600, | ||
169 | 0xc8c8c800, 0x37373700, 0xc6c6c600, 0x3b3b3b00, 0x81818100, 0x96969600, | ||
170 | 0x6f6f6f00, 0x4b4b4b00, 0x13131300, 0xbebebe00, 0x63636300, 0x2e2e2e00, | ||
171 | 0xe9e9e900, 0x79797900, 0xa7a7a700, 0x8c8c8c00, 0x9f9f9f00, 0x6e6e6e00, | ||
172 | 0xbcbcbc00, 0x8e8e8e00, 0x29292900, 0xf5f5f500, 0xf9f9f900, 0xb6b6b600, | ||
173 | 0x2f2f2f00, 0xfdfdfd00, 0xb4b4b400, 0x59595900, 0x78787800, 0x98989800, | ||
174 | 0x06060600, 0x6a6a6a00, 0xe7e7e700, 0x46464600, 0x71717100, 0xbababa00, | ||
175 | 0xd4d4d400, 0x25252500, 0xababab00, 0x42424200, 0x88888800, 0xa2a2a200, | ||
176 | 0x8d8d8d00, 0xfafafa00, 0x72727200, 0x07070700, 0xb9b9b900, 0x55555500, | ||
177 | 0xf8f8f800, 0xeeeeee00, 0xacacac00, 0x0a0a0a00, 0x36363600, 0x49494900, | ||
178 | 0x2a2a2a00, 0x68686800, 0x3c3c3c00, 0x38383800, 0xf1f1f100, 0xa4a4a400, | ||
179 | 0x40404000, 0x28282800, 0xd3d3d300, 0x7b7b7b00, 0xbbbbbb00, 0xc9c9c900, | ||
180 | 0x43434300, 0xc1c1c100, 0x15151500, 0xe3e3e300, 0xadadad00, 0xf4f4f400, | ||
181 | 0x77777700, 0xc7c7c700, 0x80808000, 0x9e9e9e00 }, | ||
182 | { 0x70700070, 0x2c2c002c, 0xb3b300b3, 0xc0c000c0, 0xe4e400e4, 0x57570057, | ||
183 | 0xeaea00ea, 0xaeae00ae, 0x23230023, 0x6b6b006b, 0x45450045, 0xa5a500a5, | ||
184 | 0xeded00ed, 0x4f4f004f, 0x1d1d001d, 0x92920092, 0x86860086, 0xafaf00af, | ||
185 | 0x7c7c007c, 0x1f1f001f, 0x3e3e003e, 0xdcdc00dc, 0x5e5e005e, 0x0b0b000b, | ||
186 | 0xa6a600a6, 0x39390039, 0xd5d500d5, 0x5d5d005d, 0xd9d900d9, 0x5a5a005a, | ||
187 | 0x51510051, 0x6c6c006c, 0x8b8b008b, 0x9a9a009a, 0xfbfb00fb, 0xb0b000b0, | ||
188 | 0x74740074, 0x2b2b002b, 0xf0f000f0, 0x84840084, 0xdfdf00df, 0xcbcb00cb, | ||
189 | 0x34340034, 0x76760076, 0x6d6d006d, 0xa9a900a9, 0xd1d100d1, 0x04040004, | ||
190 | 0x14140014, 0x3a3a003a, 0xdede00de, 0x11110011, 0x32320032, 0x9c9c009c, | ||
191 | 0x53530053, 0xf2f200f2, 0xfefe00fe, 0xcfcf00cf, 0xc3c300c3, 0x7a7a007a, | ||
192 | 0x24240024, 0xe8e800e8, 0x60600060, 0x69690069, 0xaaaa00aa, 0xa0a000a0, | ||
193 | 0xa1a100a1, 0x62620062, 0x54540054, 0x1e1e001e, 0xe0e000e0, 0x64640064, | ||
194 | 0x10100010, 0x00000000, 0xa3a300a3, 0x75750075, 0x8a8a008a, 0xe6e600e6, | ||
195 | 0x09090009, 0xdddd00dd, 0x87870087, 0x83830083, 0xcdcd00cd, 0x90900090, | ||
196 | 0x73730073, 0xf6f600f6, 0x9d9d009d, 0xbfbf00bf, 0x52520052, 0xd8d800d8, | ||
197 | 0xc8c800c8, 0xc6c600c6, 0x81810081, 0x6f6f006f, 0x13130013, 0x63630063, | ||
198 | 0xe9e900e9, 0xa7a700a7, 0x9f9f009f, 0xbcbc00bc, 0x29290029, 0xf9f900f9, | ||
199 | 0x2f2f002f, 0xb4b400b4, 0x78780078, 0x06060006, 0xe7e700e7, 0x71710071, | ||
200 | 0xd4d400d4, 0xabab00ab, 0x88880088, 0x8d8d008d, 0x72720072, 0xb9b900b9, | ||
201 | 0xf8f800f8, 0xacac00ac, 0x36360036, 0x2a2a002a, 0x3c3c003c, 0xf1f100f1, | ||
202 | 0x40400040, 0xd3d300d3, 0xbbbb00bb, 0x43430043, 0x15150015, 0xadad00ad, | ||
203 | 0x77770077, 0x80800080, 0x82820082, 0xecec00ec, 0x27270027, 0xe5e500e5, | ||
204 | 0x85850085, 0x35350035, 0x0c0c000c, 0x41410041, 0xefef00ef, 0x93930093, | ||
205 | 0x19190019, 0x21210021, 0x0e0e000e, 0x4e4e004e, 0x65650065, 0xbdbd00bd, | ||
206 | 0xb8b800b8, 0x8f8f008f, 0xebeb00eb, 0xcece00ce, 0x30300030, 0x5f5f005f, | ||
207 | 0xc5c500c5, 0x1a1a001a, 0xe1e100e1, 0xcaca00ca, 0x47470047, 0x3d3d003d, | ||
208 | 0x01010001, 0xd6d600d6, 0x56560056, 0x4d4d004d, 0x0d0d000d, 0x66660066, | ||
209 | 0xcccc00cc, 0x2d2d002d, 0x12120012, 0x20200020, 0xb1b100b1, 0x99990099, | ||
210 | 0x4c4c004c, 0xc2c200c2, 0x7e7e007e, 0x05050005, 0xb7b700b7, 0x31310031, | ||
211 | 0x17170017, 0xd7d700d7, 0x58580058, 0x61610061, 0x1b1b001b, 0x1c1c001c, | ||
212 | 0x0f0f000f, 0x16160016, 0x18180018, 0x22220022, 0x44440044, 0xb2b200b2, | ||
213 | 0xb5b500b5, 0x91910091, 0x08080008, 0xa8a800a8, 0xfcfc00fc, 0x50500050, | ||
214 | 0xd0d000d0, 0x7d7d007d, 0x89890089, 0x97970097, 0x5b5b005b, 0x95950095, | ||
215 | 0xffff00ff, 0xd2d200d2, 0xc4c400c4, 0x48480048, 0xf7f700f7, 0xdbdb00db, | ||
216 | 0x03030003, 0xdada00da, 0x3f3f003f, 0x94940094, 0x5c5c005c, 0x02020002, | ||
217 | 0x4a4a004a, 0x33330033, 0x67670067, 0xf3f300f3, 0x7f7f007f, 0xe2e200e2, | ||
218 | 0x9b9b009b, 0x26260026, 0x37370037, 0x3b3b003b, 0x96960096, 0x4b4b004b, | ||
219 | 0xbebe00be, 0x2e2e002e, 0x79790079, 0x8c8c008c, 0x6e6e006e, 0x8e8e008e, | ||
220 | 0xf5f500f5, 0xb6b600b6, 0xfdfd00fd, 0x59590059, 0x98980098, 0x6a6a006a, | ||
221 | 0x46460046, 0xbaba00ba, 0x25250025, 0x42420042, 0xa2a200a2, 0xfafa00fa, | ||
222 | 0x07070007, 0x55550055, 0xeeee00ee, 0x0a0a000a, 0x49490049, 0x68680068, | ||
223 | 0x38380038, 0xa4a400a4, 0x28280028, 0x7b7b007b, 0xc9c900c9, 0xc1c100c1, | ||
224 | 0xe3e300e3, 0xf4f400f4, 0xc7c700c7, 0x9e9e009e }, | ||
225 | { 0x00e0e0e0, 0x00050505, 0x00585858, 0x00d9d9d9, 0x00676767, 0x004e4e4e, | ||
226 | 0x00818181, 0x00cbcbcb, 0x00c9c9c9, 0x000b0b0b, 0x00aeaeae, 0x006a6a6a, | ||
227 | 0x00d5d5d5, 0x00181818, 0x005d5d5d, 0x00828282, 0x00464646, 0x00dfdfdf, | ||
228 | 0x00d6d6d6, 0x00272727, 0x008a8a8a, 0x00323232, 0x004b4b4b, 0x00424242, | ||
229 | 0x00dbdbdb, 0x001c1c1c, 0x009e9e9e, 0x009c9c9c, 0x003a3a3a, 0x00cacaca, | ||
230 | 0x00252525, 0x007b7b7b, 0x000d0d0d, 0x00717171, 0x005f5f5f, 0x001f1f1f, | ||
231 | 0x00f8f8f8, 0x00d7d7d7, 0x003e3e3e, 0x009d9d9d, 0x007c7c7c, 0x00606060, | ||
232 | 0x00b9b9b9, 0x00bebebe, 0x00bcbcbc, 0x008b8b8b, 0x00161616, 0x00343434, | ||
233 | 0x004d4d4d, 0x00c3c3c3, 0x00727272, 0x00959595, 0x00ababab, 0x008e8e8e, | ||
234 | 0x00bababa, 0x007a7a7a, 0x00b3b3b3, 0x00020202, 0x00b4b4b4, 0x00adadad, | ||
235 | 0x00a2a2a2, 0x00acacac, 0x00d8d8d8, 0x009a9a9a, 0x00171717, 0x001a1a1a, | ||
236 | 0x00353535, 0x00cccccc, 0x00f7f7f7, 0x00999999, 0x00616161, 0x005a5a5a, | ||
237 | 0x00e8e8e8, 0x00242424, 0x00565656, 0x00404040, 0x00e1e1e1, 0x00636363, | ||
238 | 0x00090909, 0x00333333, 0x00bfbfbf, 0x00989898, 0x00979797, 0x00858585, | ||
239 | 0x00686868, 0x00fcfcfc, 0x00ececec, 0x000a0a0a, 0x00dadada, 0x006f6f6f, | ||
240 | 0x00535353, 0x00626262, 0x00a3a3a3, 0x002e2e2e, 0x00080808, 0x00afafaf, | ||
241 | 0x00282828, 0x00b0b0b0, 0x00747474, 0x00c2c2c2, 0x00bdbdbd, 0x00363636, | ||
242 | 0x00222222, 0x00383838, 0x00646464, 0x001e1e1e, 0x00393939, 0x002c2c2c, | ||
243 | 0x00a6a6a6, 0x00303030, 0x00e5e5e5, 0x00444444, 0x00fdfdfd, 0x00888888, | ||
244 | 0x009f9f9f, 0x00656565, 0x00878787, 0x006b6b6b, 0x00f4f4f4, 0x00232323, | ||
245 | 0x00484848, 0x00101010, 0x00d1d1d1, 0x00515151, 0x00c0c0c0, 0x00f9f9f9, | ||
246 | 0x00d2d2d2, 0x00a0a0a0, 0x00555555, 0x00a1a1a1, 0x00414141, 0x00fafafa, | ||
247 | 0x00434343, 0x00131313, 0x00c4c4c4, 0x002f2f2f, 0x00a8a8a8, 0x00b6b6b6, | ||
248 | 0x003c3c3c, 0x002b2b2b, 0x00c1c1c1, 0x00ffffff, 0x00c8c8c8, 0x00a5a5a5, | ||
249 | 0x00202020, 0x00898989, 0x00000000, 0x00909090, 0x00474747, 0x00efefef, | ||
250 | 0x00eaeaea, 0x00b7b7b7, 0x00151515, 0x00060606, 0x00cdcdcd, 0x00b5b5b5, | ||
251 | 0x00121212, 0x007e7e7e, 0x00bbbbbb, 0x00292929, 0x000f0f0f, 0x00b8b8b8, | ||
252 | 0x00070707, 0x00040404, 0x009b9b9b, 0x00949494, 0x00212121, 0x00666666, | ||
253 | 0x00e6e6e6, 0x00cecece, 0x00ededed, 0x00e7e7e7, 0x003b3b3b, 0x00fefefe, | ||
254 | 0x007f7f7f, 0x00c5c5c5, 0x00a4a4a4, 0x00373737, 0x00b1b1b1, 0x004c4c4c, | ||
255 | 0x00919191, 0x006e6e6e, 0x008d8d8d, 0x00767676, 0x00030303, 0x002d2d2d, | ||
256 | 0x00dedede, 0x00969696, 0x00262626, 0x007d7d7d, 0x00c6c6c6, 0x005c5c5c, | ||
257 | 0x00d3d3d3, 0x00f2f2f2, 0x004f4f4f, 0x00191919, 0x003f3f3f, 0x00dcdcdc, | ||
258 | 0x00797979, 0x001d1d1d, 0x00525252, 0x00ebebeb, 0x00f3f3f3, 0x006d6d6d, | ||
259 | 0x005e5e5e, 0x00fbfbfb, 0x00696969, 0x00b2b2b2, 0x00f0f0f0, 0x00313131, | ||
260 | 0x000c0c0c, 0x00d4d4d4, 0x00cfcfcf, 0x008c8c8c, 0x00e2e2e2, 0x00757575, | ||
261 | 0x00a9a9a9, 0x004a4a4a, 0x00575757, 0x00848484, 0x00111111, 0x00454545, | ||
262 | 0x001b1b1b, 0x00f5f5f5, 0x00e4e4e4, 0x000e0e0e, 0x00737373, 0x00aaaaaa, | ||
263 | 0x00f1f1f1, 0x00dddddd, 0x00595959, 0x00141414, 0x006c6c6c, 0x00929292, | ||
264 | 0x00545454, 0x00d0d0d0, 0x00787878, 0x00707070, 0x00e3e3e3, 0x00494949, | ||
265 | 0x00808080, 0x00505050, 0x00a7a7a7, 0x00f6f6f6, 0x00777777, 0x00939393, | ||
266 | 0x00868686, 0x00838383, 0x002a2a2a, 0x00c7c7c7, 0x005b5b5b, 0x00e9e9e9, | ||
267 | 0x00eeeeee, 0x008f8f8f, 0x00010101, 0x003d3d3d }, | ||
268 | { 0x38003838, 0x41004141, 0x16001616, 0x76007676, 0xd900d9d9, 0x93009393, | ||
269 | 0x60006060, 0xf200f2f2, 0x72007272, 0xc200c2c2, 0xab00abab, 0x9a009a9a, | ||
270 | 0x75007575, 0x06000606, 0x57005757, 0xa000a0a0, 0x91009191, 0xf700f7f7, | ||
271 | 0xb500b5b5, 0xc900c9c9, 0xa200a2a2, 0x8c008c8c, 0xd200d2d2, 0x90009090, | ||
272 | 0xf600f6f6, 0x07000707, 0xa700a7a7, 0x27002727, 0x8e008e8e, 0xb200b2b2, | ||
273 | 0x49004949, 0xde00dede, 0x43004343, 0x5c005c5c, 0xd700d7d7, 0xc700c7c7, | ||
274 | 0x3e003e3e, 0xf500f5f5, 0x8f008f8f, 0x67006767, 0x1f001f1f, 0x18001818, | ||
275 | 0x6e006e6e, 0xaf00afaf, 0x2f002f2f, 0xe200e2e2, 0x85008585, 0x0d000d0d, | ||
276 | 0x53005353, 0xf000f0f0, 0x9c009c9c, 0x65006565, 0xea00eaea, 0xa300a3a3, | ||
277 | 0xae00aeae, 0x9e009e9e, 0xec00ecec, 0x80008080, 0x2d002d2d, 0x6b006b6b, | ||
278 | 0xa800a8a8, 0x2b002b2b, 0x36003636, 0xa600a6a6, 0xc500c5c5, 0x86008686, | ||
279 | 0x4d004d4d, 0x33003333, 0xfd00fdfd, 0x66006666, 0x58005858, 0x96009696, | ||
280 | 0x3a003a3a, 0x09000909, 0x95009595, 0x10001010, 0x78007878, 0xd800d8d8, | ||
281 | 0x42004242, 0xcc00cccc, 0xef00efef, 0x26002626, 0xe500e5e5, 0x61006161, | ||
282 | 0x1a001a1a, 0x3f003f3f, 0x3b003b3b, 0x82008282, 0xb600b6b6, 0xdb00dbdb, | ||
283 | 0xd400d4d4, 0x98009898, 0xe800e8e8, 0x8b008b8b, 0x02000202, 0xeb00ebeb, | ||
284 | 0x0a000a0a, 0x2c002c2c, 0x1d001d1d, 0xb000b0b0, 0x6f006f6f, 0x8d008d8d, | ||
285 | 0x88008888, 0x0e000e0e, 0x19001919, 0x87008787, 0x4e004e4e, 0x0b000b0b, | ||
286 | 0xa900a9a9, 0x0c000c0c, 0x79007979, 0x11001111, 0x7f007f7f, 0x22002222, | ||
287 | 0xe700e7e7, 0x59005959, 0xe100e1e1, 0xda00dada, 0x3d003d3d, 0xc800c8c8, | ||
288 | 0x12001212, 0x04000404, 0x74007474, 0x54005454, 0x30003030, 0x7e007e7e, | ||
289 | 0xb400b4b4, 0x28002828, 0x55005555, 0x68006868, 0x50005050, 0xbe00bebe, | ||
290 | 0xd000d0d0, 0xc400c4c4, 0x31003131, 0xcb00cbcb, 0x2a002a2a, 0xad00adad, | ||
291 | 0x0f000f0f, 0xca00caca, 0x70007070, 0xff00ffff, 0x32003232, 0x69006969, | ||
292 | 0x08000808, 0x62006262, 0x00000000, 0x24002424, 0xd100d1d1, 0xfb00fbfb, | ||
293 | 0xba00baba, 0xed00eded, 0x45004545, 0x81008181, 0x73007373, 0x6d006d6d, | ||
294 | 0x84008484, 0x9f009f9f, 0xee00eeee, 0x4a004a4a, 0xc300c3c3, 0x2e002e2e, | ||
295 | 0xc100c1c1, 0x01000101, 0xe600e6e6, 0x25002525, 0x48004848, 0x99009999, | ||
296 | 0xb900b9b9, 0xb300b3b3, 0x7b007b7b, 0xf900f9f9, 0xce00cece, 0xbf00bfbf, | ||
297 | 0xdf00dfdf, 0x71007171, 0x29002929, 0xcd00cdcd, 0x6c006c6c, 0x13001313, | ||
298 | 0x64006464, 0x9b009b9b, 0x63006363, 0x9d009d9d, 0xc000c0c0, 0x4b004b4b, | ||
299 | 0xb700b7b7, 0xa500a5a5, 0x89008989, 0x5f005f5f, 0xb100b1b1, 0x17001717, | ||
300 | 0xf400f4f4, 0xbc00bcbc, 0xd300d3d3, 0x46004646, 0xcf00cfcf, 0x37003737, | ||
301 | 0x5e005e5e, 0x47004747, 0x94009494, 0xfa00fafa, 0xfc00fcfc, 0x5b005b5b, | ||
302 | 0x97009797, 0xfe00fefe, 0x5a005a5a, 0xac00acac, 0x3c003c3c, 0x4c004c4c, | ||
303 | 0x03000303, 0x35003535, 0xf300f3f3, 0x23002323, 0xb800b8b8, 0x5d005d5d, | ||
304 | 0x6a006a6a, 0x92009292, 0xd500d5d5, 0x21002121, 0x44004444, 0x51005151, | ||
305 | 0xc600c6c6, 0x7d007d7d, 0x39003939, 0x83008383, 0xdc00dcdc, 0xaa00aaaa, | ||
306 | 0x7c007c7c, 0x77007777, 0x56005656, 0x05000505, 0x1b001b1b, 0xa400a4a4, | ||
307 | 0x15001515, 0x34003434, 0x1e001e1e, 0x1c001c1c, 0xf800f8f8, 0x52005252, | ||
308 | 0x20002020, 0x14001414, 0xe900e9e9, 0xbd00bdbd, 0xdd00dddd, 0xe400e4e4, | ||
309 | 0xa100a1a1, 0xe000e0e0, 0x8a008a8a, 0xf100f1f1, 0xd600d6d6, 0x7a007a7a, | ||
310 | 0xbb00bbbb, 0xe300e3e3, 0x40004040, 0x4f004f4f } | ||
311 | }; | ||
312 | |||
313 | /* Key generation constants */ | ||
314 | static const u32 SIGMA[] = { | ||
315 | 0xa09e667f, 0x3bcc908b, 0xb67ae858, 0x4caa73b2, 0xc6ef372f, 0xe94f82be, | ||
316 | 0x54ff53a5, 0xf1d36f1c, 0x10e527fa, 0xde682d1d, 0xb05688c2, 0xb3e6c1fd | ||
317 | }; | ||
318 | |||
319 | /* The phi algorithm given in C.2.7 of the Camellia spec document. */ | ||
320 | /* | ||
321 | * This version does not attempt to minimize amount of temporary | ||
322 | * variables, but instead explicitly exposes algorithm's parallelism. | ||
323 | * It is therefore most appropriate for platforms with not less than | ||
324 | * ~16 registers. For platforms with fewer registers [well, x86 to be | ||
325 | * specific] assembler version should be/is provided anyway... | ||
326 | */ | ||
327 | #define Camellia_Feistel(_s0,_s1,_s2,_s3,_key) \ | ||
328 | do { \ | ||
329 | u32 _t0, _t1, _t2, _t3; \ | ||
330 | _t0 = _s0 ^ (_key)[0]; \ | ||
331 | _t3 = SBOX4_4404[_t0 & 0xff]; \ | ||
332 | _t1 = _s1 ^ (_key)[1]; \ | ||
333 | _t3 ^= SBOX3_3033[(_t0 >> 8) & 0xff]; \ | ||
334 | _t2 = SBOX1_1110[_t1 & 0xff]; \ | ||
335 | _t3 ^= SBOX2_0222[(_t0 >> 16) & 0xff]; \ | ||
336 | _t2 ^= SBOX4_4404[(_t1 >> 8) & 0xff]; \ | ||
337 | _t3 ^= SBOX1_1110[(_t0 >> 24)]; \ | ||
338 | _t2 ^= _t3; \ | ||
339 | _t3 = RightRotate(_t3, 8); \ | ||
340 | _t2 ^= SBOX3_3033[(_t1 >> 16) & 0xff]; \ | ||
341 | _s3 ^= _t3; \ | ||
342 | _t2 ^= SBOX2_0222[(_t1 >> 24)]; \ | ||
343 | _s2 ^= _t2; \ | ||
344 | _s3 ^= _t2; \ | ||
345 | } while(0) | ||
346 | |||
347 | /* | ||
348 | * Note that n has to be less than 32. Rotations for larger amount | ||
349 | * of bits are achieved by "rotating" order of s-elements and | ||
350 | * adjusting n accordingly, e.g. RotLeft128(s1, s2, s3, s0, n - 32). | ||
351 | */ | ||
352 | #define RotLeft128(_s0, _s1, _s2, _s3, _n) \ | ||
353 | do { \ | ||
354 | u32 _t0 = _s0 >> (32 - _n); \ | ||
355 | _s0 = (_s0 << _n) | (_s1 >> (32 - _n)); \ | ||
356 | _s1 = (_s1 << _n) | (_s2 >> (32 - _n)); \ | ||
357 | _s2 = (_s2 << _n) | (_s3 >> (32 - _n)); \ | ||
358 | _s3 = (_s3 << _n) | _t0; \ | ||
359 | } while (0) | ||
360 | |||
361 | int | ||
362 | Camellia_Ekeygen(int keyBitLength, const u8 *rawKey, KEY_TABLE_TYPE k) | ||
363 | { | ||
364 | u32 s0, s1, s2, s3; | ||
365 | |||
366 | k[0] = s0 = GETU32(rawKey); | ||
367 | k[1] = s1 = GETU32(rawKey + 4); | ||
368 | k[2] = s2 = GETU32(rawKey + 8); | ||
369 | k[3] = s3 = GETU32(rawKey + 12); | ||
370 | |||
371 | if (keyBitLength != 128) { | ||
372 | k[8] = s0 = GETU32(rawKey + 16); | ||
373 | k[9] = s1 = GETU32(rawKey + 20); | ||
374 | if (keyBitLength == 192) { | ||
375 | k[10] = s2 = ~s0; | ||
376 | k[11] = s3 = ~s1; | ||
377 | } else { | ||
378 | k[10] = s2 = GETU32(rawKey + 24); | ||
379 | k[11] = s3 = GETU32(rawKey + 28); | ||
380 | } | ||
381 | s0 ^= k[0], s1 ^= k[1], s2 ^= k[2], s3 ^= k[3]; | ||
382 | } | ||
383 | |||
384 | /* Use the Feistel routine to scramble the key material */ | ||
385 | Camellia_Feistel(s0, s1, s2, s3, SIGMA + 0); | ||
386 | Camellia_Feistel(s2, s3, s0, s1, SIGMA + 2); | ||
387 | |||
388 | s0 ^= k[0], s1 ^= k[1], s2 ^= k[2], s3 ^= k[3]; | ||
389 | Camellia_Feistel(s0, s1, s2, s3, SIGMA + 4); | ||
390 | Camellia_Feistel(s2, s3, s0, s1, SIGMA + 6); | ||
391 | |||
392 | /* Fill the keyTable. Requires many block rotations. */ | ||
393 | if (keyBitLength == 128) { | ||
394 | k[ 4] = s0, k[ 5] = s1, k[ 6] = s2, k[ 7] = s3; | ||
395 | RotLeft128(s0, s1, s2, s3, 15); /* KA <<< 15 */ | ||
396 | k[12] = s0, k[13] = s1, k[14] = s2, k[15] = s3; | ||
397 | RotLeft128(s0, s1, s2, s3, 15); /* KA <<< 30 */ | ||
398 | k[16] = s0, k[17] = s1, k[18] = s2, k[19] = s3; | ||
399 | RotLeft128(s0, s1, s2, s3, 15); /* KA <<< 45 */ | ||
400 | k[24] = s0, k[25] = s1; | ||
401 | RotLeft128(s0, s1, s2, s3, 15); /* KA <<< 60 */ | ||
402 | k[28] = s0, k[29] = s1, k[30] = s2, k[31] = s3; | ||
403 | RotLeft128(s1, s2, s3, s0, 2); /* KA <<< 94 */ | ||
404 | k[40] = s1, k[41] = s2, k[42] = s3, k[43] = s0; | ||
405 | RotLeft128(s1, s2, s3, s0, 17); /* KA <<<111 */ | ||
406 | k[48] = s1, k[49] = s2, k[50] = s3, k[51] = s0; | ||
407 | |||
408 | s0 = k[ 0], s1 = k[ 1], s2 = k[ 2], s3 = k[ 3]; | ||
409 | RotLeft128(s0, s1, s2, s3, 15); /* KL <<< 15 */ | ||
410 | k[ 8] = s0, k[ 9] = s1, k[10] = s2, k[11] = s3; | ||
411 | RotLeft128(s0, s1, s2, s3, 30); /* KL <<< 45 */ | ||
412 | k[20] = s0, k[21] = s1, k[22] = s2, k[23] = s3; | ||
413 | RotLeft128(s0, s1, s2, s3, 15); /* KL <<< 60 */ | ||
414 | k[26] = s2, k[27] = s3; | ||
415 | RotLeft128(s0, s1, s2, s3, 17); /* KL <<< 77 */ | ||
416 | k[32] = s0, k[33] = s1, k[34] = s2, k[35] = s3; | ||
417 | RotLeft128(s0, s1, s2, s3, 17); /* KL <<< 94 */ | ||
418 | k[36] = s0, k[37] = s1, k[38] = s2, k[39] = s3; | ||
419 | RotLeft128(s0, s1, s2, s3, 17); /* KL <<<111 */ | ||
420 | k[44] = s0, k[45] = s1, k[46] = s2, k[47] = s3; | ||
421 | |||
422 | return 3; /* grand rounds */ | ||
423 | } else { | ||
424 | k[12] = s0, k[13] = s1, k[14] = s2, k[15] = s3; | ||
425 | s0 ^= k[8], s1 ^= k[9], s2 ^=k[10], s3 ^=k[11]; | ||
426 | Camellia_Feistel(s0, s1, s2, s3, (SIGMA + 8)); | ||
427 | Camellia_Feistel(s2, s3, s0, s1, (SIGMA + 10)); | ||
428 | |||
429 | k[ 4] = s0, k[ 5] = s1, k[ 6] = s2, k[ 7] = s3; | ||
430 | RotLeft128(s0, s1, s2, s3, 30); /* KB <<< 30 */ | ||
431 | k[20] = s0, k[21] = s1, k[22] = s2, k[23] = s3; | ||
432 | RotLeft128(s0, s1, s2, s3, 30); /* KB <<< 60 */ | ||
433 | k[40] = s0, k[41] = s1, k[42] = s2, k[43] = s3; | ||
434 | RotLeft128(s1, s2, s3, s0, 19); /* KB <<<111 */ | ||
435 | k[64] = s1, k[65] = s2, k[66] = s3, k[67] = s0; | ||
436 | |||
437 | s0 = k[ 8], s1 = k[ 9], s2 = k[10], s3 = k[11]; | ||
438 | RotLeft128(s0, s1, s2, s3, 15); /* KR <<< 15 */ | ||
439 | k[ 8] = s0, k[ 9] = s1, k[10] = s2, k[11] = s3; | ||
440 | RotLeft128(s0, s1, s2, s3, 15); /* KR <<< 30 */ | ||
441 | k[16] = s0, k[17] = s1, k[18] = s2, k[19] = s3; | ||
442 | RotLeft128(s0, s1, s2, s3, 30); /* KR <<< 60 */ | ||
443 | k[36] = s0, k[37] = s1, k[38] = s2, k[39] = s3; | ||
444 | RotLeft128(s1, s2, s3, s0, 2); /* KR <<< 94 */ | ||
445 | k[52] = s1, k[53] = s2, k[54] = s3, k[55] = s0; | ||
446 | |||
447 | s0 = k[12], s1 = k[13], s2 = k[14], s3 = k[15]; | ||
448 | RotLeft128(s0, s1, s2, s3, 15); /* KA <<< 15 */ | ||
449 | k[12] = s0, k[13] = s1, k[14] = s2, k[15] = s3; | ||
450 | RotLeft128(s0, s1, s2, s3, 30); /* KA <<< 45 */ | ||
451 | k[28] = s0, k[29] = s1, k[30] = s2, k[31] = s3; | ||
452 | /* KA <<< 77 */ | ||
453 | k[48] = s1, k[49] = s2, k[50] = s3, k[51] = s0; | ||
454 | RotLeft128(s1, s2, s3, s0, 17); /* KA <<< 94 */ | ||
455 | k[56] = s1, k[57] = s2, k[58] = s3, k[59] = s0; | ||
456 | |||
457 | s0 = k[ 0], s1 = k[ 1], s2 = k[ 2], s3 = k[ 3]; | ||
458 | RotLeft128(s1, s2, s3, s0, 13); /* KL <<< 45 */ | ||
459 | k[24] = s1, k[25] = s2, k[26] = s3, k[27] = s0; | ||
460 | RotLeft128(s1, s2, s3, s0, 15); /* KL <<< 60 */ | ||
461 | k[32] = s1, k[33] = s2, k[34] = s3, k[35] = s0; | ||
462 | RotLeft128(s1, s2, s3, s0, 17); /* KL <<< 77 */ | ||
463 | k[44] = s1, k[45] = s2, k[46] = s3, k[47] = s0; | ||
464 | RotLeft128(s2, s3, s0, s1, 2); /* KL <<<111 */ | ||
465 | k[60] = s2, k[61] = s3, k[62] = s0, k[63] = s1; | ||
466 | |||
467 | return 4; /* grand rounds */ | ||
468 | } | ||
469 | /* | ||
470 | * It is possible to perform certain precalculations, which | ||
471 | * would spare few cycles in block procedure. It's not done, | ||
472 | * because it upsets the performance balance between key | ||
473 | * setup and block procedures, negatively affecting overall | ||
474 | * throughput in applications operating on short messages | ||
475 | * and volatile keys. | ||
476 | */ | ||
477 | } | ||
478 | |||
479 | void | ||
480 | Camellia_EncryptBlock_Rounds(int grandRounds, const u8 plaintext[], | ||
481 | const KEY_TABLE_TYPE keyTable, u8 ciphertext[]) | ||
482 | { | ||
483 | u32 s0, s1, s2, s3; | ||
484 | const u32 *k = keyTable, *kend = keyTable + grandRounds * 16; | ||
485 | |||
486 | s0 = GETU32(plaintext) ^ k[0]; | ||
487 | s1 = GETU32(plaintext + 4) ^ k[1]; | ||
488 | s2 = GETU32(plaintext + 8) ^ k[2]; | ||
489 | s3 = GETU32(plaintext + 12) ^ k[3]; | ||
490 | k += 4; | ||
491 | |||
492 | while (1) { | ||
493 | /* Camellia makes 6 Feistel rounds */ | ||
494 | Camellia_Feistel(s0, s1, s2, s3, k + 0); | ||
495 | Camellia_Feistel(s2, s3, s0, s1, k + 2); | ||
496 | Camellia_Feistel(s0, s1, s2, s3, k + 4); | ||
497 | Camellia_Feistel(s2, s3, s0, s1, k + 6); | ||
498 | Camellia_Feistel(s0, s1, s2, s3, k + 8); | ||
499 | Camellia_Feistel(s2, s3, s0, s1, k + 10); | ||
500 | k += 12; | ||
501 | |||
502 | if (k == kend) | ||
503 | break; | ||
504 | |||
505 | /* This is the same function as the diffusion function D | ||
506 | * of the accompanying documentation. See section 3.2 | ||
507 | * for properties of the FLlayer function. */ | ||
508 | s1 ^= LeftRotate(s0 & k[0], 1); | ||
509 | s2 ^= s3 | k[3]; | ||
510 | s0 ^= s1 | k[1]; | ||
511 | s3 ^= LeftRotate(s2 & k[2], 1); | ||
512 | k += 4; | ||
513 | } | ||
514 | |||
515 | s2 ^= k[0], s3 ^= k[1], s0 ^= k[2], s1 ^= k[3]; | ||
516 | |||
517 | PUTU32(ciphertext, s2); | ||
518 | PUTU32(ciphertext + 4, s3); | ||
519 | PUTU32(ciphertext + 8, s0); | ||
520 | PUTU32(ciphertext + 12, s1); | ||
521 | } | ||
522 | |||
523 | void | ||
524 | Camellia_EncryptBlock(int keyBitLength, const u8 plaintext[], | ||
525 | const KEY_TABLE_TYPE keyTable, u8 ciphertext[]) | ||
526 | { | ||
527 | Camellia_EncryptBlock_Rounds(keyBitLength == 128 ? 3 : 4, | ||
528 | plaintext, keyTable, ciphertext); | ||
529 | } | ||
530 | |||
531 | void | ||
532 | Camellia_DecryptBlock_Rounds(int grandRounds, const u8 ciphertext[], | ||
533 | const KEY_TABLE_TYPE keyTable, u8 plaintext[]) | ||
534 | { | ||
535 | u32 s0, s1, s2, s3; | ||
536 | const u32 *k = keyTable+grandRounds * 16, *kend = keyTable+4; | ||
537 | |||
538 | s0 = GETU32(ciphertext) ^ k[0]; | ||
539 | s1 = GETU32(ciphertext+4) ^ k[1]; | ||
540 | s2 = GETU32(ciphertext+8) ^ k[2]; | ||
541 | s3 = GETU32(ciphertext+12) ^ k[3]; | ||
542 | |||
543 | while (1) { | ||
544 | /* Camellia makes 6 Feistel rounds */ | ||
545 | k -= 12; | ||
546 | Camellia_Feistel(s0, s1, s2, s3, k+10); | ||
547 | Camellia_Feistel(s2, s3, s0, s1, k+8); | ||
548 | Camellia_Feistel(s0, s1, s2, s3, k+6); | ||
549 | Camellia_Feistel(s2, s3, s0, s1, k+4); | ||
550 | Camellia_Feistel(s0, s1, s2, s3, k+2); | ||
551 | Camellia_Feistel(s2, s3, s0, s1, k+0); | ||
552 | |||
553 | if (k == kend) | ||
554 | break; | ||
555 | |||
556 | /* This is the same function as the diffusion function D | ||
557 | * of the accompanying documentation. See section 3.2 | ||
558 | * for properties of the FLlayer function. */ | ||
559 | k -= 4; | ||
560 | s1 ^= LeftRotate(s0 & k[2], 1); | ||
561 | s2 ^= s3 | k[1]; | ||
562 | s0 ^= s1 | k[3]; | ||
563 | s3 ^= LeftRotate(s2 & k[0], 1); | ||
564 | } | ||
565 | |||
566 | k -= 4; | ||
567 | s2 ^= k[0], s3 ^= k[1], s0 ^= k[2], s1 ^= k[3]; | ||
568 | |||
569 | PUTU32(plaintext, s2); | ||
570 | PUTU32(plaintext+4, s3); | ||
571 | PUTU32(plaintext+8, s0); | ||
572 | PUTU32(plaintext+12, s1); | ||
573 | } | ||
574 | |||
575 | void | ||
576 | Camellia_DecryptBlock(int keyBitLength, const u8 plaintext[], | ||
577 | const KEY_TABLE_TYPE keyTable, u8 ciphertext[]) | ||
578 | { | ||
579 | Camellia_DecryptBlock_Rounds(keyBitLength == 128 ? 3 : 4, | ||
580 | plaintext, keyTable, ciphertext); | ||
581 | } | ||
582 | |||
583 | int | ||
584 | Camellia_set_key(const unsigned char *userKey, const int bits, | ||
585 | CAMELLIA_KEY *key) | ||
586 | { | ||
587 | if (userKey == NULL || key == NULL) | ||
588 | return -1; | ||
589 | if (bits != 128 && bits != 192 && bits != 256) | ||
590 | return -2; | ||
591 | key->grand_rounds = Camellia_Ekeygen(bits, userKey, key->u.rd_key); | ||
592 | return 0; | ||
593 | } | ||
594 | LCRYPTO_ALIAS(Camellia_set_key); | ||
595 | |||
596 | void | ||
597 | Camellia_encrypt(const unsigned char *in, unsigned char *out, | ||
598 | const CAMELLIA_KEY *key) | ||
599 | { | ||
600 | Camellia_EncryptBlock_Rounds(key->grand_rounds, in, key->u.rd_key, out); | ||
601 | } | ||
602 | LCRYPTO_ALIAS(Camellia_encrypt); | ||
603 | |||
604 | void | ||
605 | Camellia_decrypt(const unsigned char *in, unsigned char *out, | ||
606 | const CAMELLIA_KEY *key) | ||
607 | { | ||
608 | Camellia_DecryptBlock_Rounds(key->grand_rounds, in, key->u.rd_key, out); | ||
609 | } | ||
610 | LCRYPTO_ALIAS(Camellia_decrypt); | ||
611 | |||
612 | void | ||
613 | Camellia_cbc_encrypt(const unsigned char *in, unsigned char *out, size_t len, | ||
614 | const CAMELLIA_KEY *key, unsigned char *ivec, const int enc) | ||
615 | { | ||
616 | if (enc) | ||
617 | CRYPTO_cbc128_encrypt(in, out, len, key, ivec, | ||
618 | (block128_f)Camellia_encrypt); | ||
619 | else | ||
620 | CRYPTO_cbc128_decrypt(in, out, len, key, ivec, | ||
621 | (block128_f)Camellia_decrypt); | ||
622 | } | ||
623 | LCRYPTO_ALIAS(Camellia_cbc_encrypt); | ||
624 | |||
625 | /* | ||
626 | * The input and output encrypted as though 128bit cfb mode is being | ||
627 | * used. The extra state information to record how much of the | ||
628 | * 128bit block we have used is contained in *num; | ||
629 | */ | ||
630 | |||
631 | void | ||
632 | Camellia_cfb128_encrypt(const unsigned char *in, unsigned char *out, | ||
633 | size_t length, const CAMELLIA_KEY *key, unsigned char *ivec, int *num, | ||
634 | const int enc) | ||
635 | { | ||
636 | CRYPTO_cfb128_encrypt(in, out, length, key, ivec, num, enc, | ||
637 | (block128_f)Camellia_encrypt); | ||
638 | } | ||
639 | LCRYPTO_ALIAS(Camellia_cfb128_encrypt); | ||
640 | |||
641 | /* N.B. This expects the input to be packed, MS bit first */ | ||
642 | void | ||
643 | Camellia_cfb1_encrypt(const unsigned char *in, unsigned char *out, | ||
644 | size_t length, const CAMELLIA_KEY *key, unsigned char *ivec, int *num, | ||
645 | const int enc) | ||
646 | { | ||
647 | CRYPTO_cfb128_1_encrypt(in, out, length, key, ivec, num, enc, | ||
648 | (block128_f)Camellia_encrypt); | ||
649 | } | ||
650 | LCRYPTO_ALIAS(Camellia_cfb1_encrypt); | ||
651 | |||
652 | void | ||
653 | Camellia_cfb8_encrypt(const unsigned char *in, unsigned char *out, | ||
654 | size_t length, const CAMELLIA_KEY *key, unsigned char *ivec, int *num, | ||
655 | const int enc) | ||
656 | { | ||
657 | CRYPTO_cfb128_8_encrypt(in, out, length, key, ivec, num, enc, | ||
658 | (block128_f)Camellia_encrypt); | ||
659 | } | ||
660 | LCRYPTO_ALIAS(Camellia_cfb8_encrypt); | ||
661 | |||
662 | void | ||
663 | Camellia_ctr128_encrypt(const unsigned char *in, unsigned char *out, | ||
664 | size_t length, const CAMELLIA_KEY *key, | ||
665 | unsigned char ivec[CAMELLIA_BLOCK_SIZE], | ||
666 | unsigned char ecount_buf[CAMELLIA_BLOCK_SIZE], unsigned int *num) | ||
667 | { | ||
668 | CRYPTO_ctr128_encrypt(in, out, length, key, ivec, ecount_buf, num, | ||
669 | (block128_f)Camellia_encrypt); | ||
670 | } | ||
671 | LCRYPTO_ALIAS(Camellia_ctr128_encrypt); | ||
672 | |||
673 | void | ||
674 | Camellia_ecb_encrypt(const unsigned char *in, unsigned char *out, | ||
675 | const CAMELLIA_KEY *key, const int enc) | ||
676 | { | ||
677 | if (CAMELLIA_ENCRYPT == enc) | ||
678 | Camellia_encrypt(in, out, key); | ||
679 | else | ||
680 | Camellia_decrypt(in, out, key); | ||
681 | } | ||
682 | LCRYPTO_ALIAS(Camellia_ecb_encrypt); | ||
683 | |||
684 | /* | ||
685 | * The input and output encrypted as though 128bit ofb mode is being | ||
686 | * used. The extra state information to record how much of the | ||
687 | * 128bit block we have used is contained in *num; | ||
688 | */ | ||
689 | void | ||
690 | Camellia_ofb128_encrypt(const unsigned char *in, unsigned char *out, | ||
691 | size_t length, const CAMELLIA_KEY *key, unsigned char *ivec, int *num) | ||
692 | { | ||
693 | CRYPTO_ofb128_encrypt(in, out, length, key, ivec, num, | ||
694 | (block128_f)Camellia_encrypt); | ||
695 | } | ||
696 | LCRYPTO_ALIAS(Camellia_ofb128_encrypt); | ||