tiger.c
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1 /**
2  * @file tiger.c
3  * @brief Tiger hash function
4  *
5  * @section License
6  *
7  * SPDX-License-Identifier: GPL-2.0-or-later
8  *
9  * Copyright (C) 2010-2024 Oryx Embedded SARL. All rights reserved.
10  *
11  * This file is part of CycloneCRYPTO Open.
12  *
13  * This program is free software; you can redistribute it and/or
14  * modify it under the terms of the GNU General Public License
15  * as published by the Free Software Foundation; either version 2
16  * of the License, or (at your option) any later version.
17  *
18  * This program is distributed in the hope that it will be useful,
19  * but WITHOUT ANY WARRANTY; without even the implied warranty of
20  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21  * GNU General Public License for more details.
22  *
23  * You should have received a copy of the GNU General Public License
24  * along with this program; if not, write to the Free Software Foundation,
25  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
26  *
27  * @author Oryx Embedded SARL (www.oryx-embedded.com)
28  * @version 2.4.4
29  **/
30 
31 //Switch to the appropriate trace level
32 #define TRACE_LEVEL CRYPTO_TRACE_LEVEL
33 
34 //Dependencies
35 #include "core/crypto.h"
36 #include "hash/tiger.h"
37 
38 //Check crypto library configuration
39 #if (TIGER_SUPPORT == ENABLED)
40 
41 //Round function
42 #define ROUND(a, b, c, x, mul) \
43 { \
44  c ^= x; \
45  a -= t1[c & 0xFF] ^ t2[(c >> 16) & 0xFF] ^ t3[(c >> 32) & 0xFF] ^ t4[(c >> 48) & 0xFF]; \
46  b += t4[(c >> 8) & 0xFF] ^ t3[(c >> 24) & 0xFF] ^ t2[(c >> 40) & 0xFF] ^ t1[(c >> 56) & 0xFF]; \
47  b *= mul; \
48 }
49 
50 //Key schedule
51 #define KEY_SCHEDULE(x) \
52 { \
53  x[0] -= x[7] ^ 0xA5A5A5A5A5A5A5A5; \
54  x[1] ^= x[0]; \
55  x[2] += x[1]; \
56  x[3] -= x[2] ^ ((~x[1]) << 19); \
57  x[4] ^= x[3]; \
58  x[5] += x[4]; \
59  x[6] -= x[5] ^ ((~x[4]) >> 23); \
60  x[7] ^= x[6]; \
61  x[0] += x[7]; \
62  x[1] -= x[0] ^ ((~x[7]) << 19); \
63  x[2] ^= x[1]; \
64  x[3] += x[2]; \
65  x[4] -= x[3] ^ ((~x[2]) >> 23); \
66  x[5] ^= x[4]; \
67  x[6] += x[5]; \
68  x[7] -= x[6] ^ 0x0123456789ABCDEF; \
69 }
70 
71 //Tiger padding
72 static const uint8_t padding[64] =
73 {
74  0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
75  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
76  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
77  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
78 };
79 
80 //S-box 1
81 static const uint64_t t1[256] =
82 {
83  0x02AAB17CF7E90C5E, 0xAC424B03E243A8EC, 0x72CD5BE30DD5FCD3, 0x6D019B93F6F97F3A,
84  0xCD9978FFD21F9193, 0x7573A1C9708029E2, 0xB164326B922A83C3, 0x46883EEE04915870,
85  0xEAACE3057103ECE6, 0xC54169B808A3535C, 0x4CE754918DDEC47C, 0x0AA2F4DFDC0DF40C,
86  0x10B76F18A74DBEFA, 0xC6CCB6235AD1AB6A, 0x13726121572FE2FF, 0x1A488C6F199D921E,
87  0x4BC9F9F4DA0007CA, 0x26F5E6F6E85241C7, 0x859079DBEA5947B6, 0x4F1885C5C99E8C92,
88  0xD78E761EA96F864B, 0x8E36428C52B5C17D, 0x69CF6827373063C1, 0xB607C93D9BB4C56E,
89  0x7D820E760E76B5EA, 0x645C9CC6F07FDC42, 0xBF38A078243342E0, 0x5F6B343C9D2E7D04,
90  0xF2C28AEB600B0EC6, 0x6C0ED85F7254BCAC, 0x71592281A4DB4FE5, 0x1967FA69CE0FED9F,
91  0xFD5293F8B96545DB, 0xC879E9D7F2A7600B, 0x860248920193194E, 0xA4F9533B2D9CC0B3,
92  0x9053836C15957613, 0xDB6DCF8AFC357BF1, 0x18BEEA7A7A370F57, 0x037117CA50B99066,
93  0x6AB30A9774424A35, 0xF4E92F02E325249B, 0x7739DB07061CCAE1, 0xD8F3B49CECA42A05,
94  0xBD56BE3F51382F73, 0x45FAED5843B0BB28, 0x1C813D5C11BF1F83, 0x8AF0E4B6D75FA169,
95  0x33EE18A487AD9999, 0x3C26E8EAB1C94410, 0xB510102BC0A822F9, 0x141EEF310CE6123B,
96  0xFC65B90059DDB154, 0xE0158640C5E0E607, 0x884E079826C3A3CF, 0x930D0D9523C535FD,
97  0x35638D754E9A2B00, 0x4085FCCF40469DD5, 0xC4B17AD28BE23A4C, 0xCAB2F0FC6A3E6A2E,
98  0x2860971A6B943FCD, 0x3DDE6EE212E30446, 0x6222F32AE01765AE, 0x5D550BB5478308FE,
99  0xA9EFA98DA0EDA22A, 0xC351A71686C40DA7, 0x1105586D9C867C84, 0xDCFFEE85FDA22853,
100  0xCCFBD0262C5EEF76, 0xBAF294CB8990D201, 0xE69464F52AFAD975, 0x94B013AFDF133E14,
101  0x06A7D1A32823C958, 0x6F95FE5130F61119, 0xD92AB34E462C06C0, 0xED7BDE33887C71D2,
102  0x79746D6E6518393E, 0x5BA419385D713329, 0x7C1BA6B948A97564, 0x31987C197BFDAC67,
103  0xDE6C23C44B053D02, 0x581C49FED002D64D, 0xDD474D6338261571, 0xAA4546C3E473D062,
104  0x928FCE349455F860, 0x48161BBACAAB94D9, 0x63912430770E6F68, 0x6EC8A5E602C6641C,
105  0x87282515337DDD2B, 0x2CDA6B42034B701B, 0xB03D37C181CB096D, 0xE108438266C71C6F,
106  0x2B3180C7EB51B255, 0xDF92B82F96C08BBC, 0x5C68C8C0A632F3BA, 0x5504CC861C3D0556,
107  0xABBFA4E55FB26B8F, 0x41848B0AB3BACEB4, 0xB334A273AA445D32, 0xBCA696F0A85AD881,
108  0x24F6EC65B528D56C, 0x0CE1512E90F4524A, 0x4E9DD79D5506D35A, 0x258905FAC6CE9779,
109  0x2019295B3E109B33, 0xF8A9478B73A054CC, 0x2924F2F934417EB0, 0x3993357D536D1BC4,
110  0x38A81AC21DB6FF8B, 0x47C4FBF17D6016BF, 0x1E0FAADD7667E3F5, 0x7ABCFF62938BEB96,
111  0xA78DAD948FC179C9, 0x8F1F98B72911E50D, 0x61E48EAE27121A91, 0x4D62F7AD31859808,
112  0xECEBA345EF5CEAEB, 0xF5CEB25EBC9684CE, 0xF633E20CB7F76221, 0xA32CDF06AB8293E4,
113  0x985A202CA5EE2CA4, 0xCF0B8447CC8A8FB1, 0x9F765244979859A3, 0xA8D516B1A1240017,
114  0x0BD7BA3EBB5DC726, 0xE54BCA55B86ADB39, 0x1D7A3AFD6C478063, 0x519EC608E7669EDD,
115  0x0E5715A2D149AA23, 0x177D4571848FF194, 0xEEB55F3241014C22, 0x0F5E5CA13A6E2EC2,
116  0x8029927B75F5C361, 0xAD139FABC3D6E436, 0x0D5DF1A94CCF402F, 0x3E8BD948BEA5DFC8,
117  0xA5A0D357BD3FF77E, 0xA2D12E251F74F645, 0x66FD9E525E81A082, 0x2E0C90CE7F687A49,
118  0xC2E8BCBEBA973BC5, 0x000001BCE509745F, 0x423777BBE6DAB3D6, 0xD1661C7EAEF06EB5,
119  0xA1781F354DAACFD8, 0x2D11284A2B16AFFC, 0xF1FC4F67FA891D1F, 0x73ECC25DCB920ADA,
120  0xAE610C22C2A12651, 0x96E0A810D356B78A, 0x5A9A381F2FE7870F, 0xD5AD62EDE94E5530,
121  0xD225E5E8368D1427, 0x65977B70C7AF4631, 0x99F889B2DE39D74F, 0x233F30BF54E1D143,
122  0x9A9675D3D9A63C97, 0x5470554FF334F9A8, 0x166ACB744A4F5688, 0x70C74CAAB2E4AEAD,
123  0xF0D091646F294D12, 0x57B82A89684031D1, 0xEFD95A5A61BE0B6B, 0x2FBD12E969F2F29A,
124  0x9BD37013FEFF9FE8, 0x3F9B0404D6085A06, 0x4940C1F3166CFE15, 0x09542C4DCDF3DEFB,
125  0xB4C5218385CD5CE3, 0xC935B7DC4462A641, 0x3417F8A68ED3B63F, 0xB80959295B215B40,
126  0xF99CDAEF3B8C8572, 0x018C0614F8FCB95D, 0x1B14ACCD1A3ACDF3, 0x84D471F200BB732D,
127  0xC1A3110E95E8DA16, 0x430A7220BF1A82B8, 0xB77E090D39DF210E, 0x5EF4BD9F3CD05E9D,
128  0x9D4FF6DA7E57A444, 0xDA1D60E183D4A5F8, 0xB287C38417998E47, 0xFE3EDC121BB31886,
129  0xC7FE3CCC980CCBEF, 0xE46FB590189BFD03, 0x3732FD469A4C57DC, 0x7EF700A07CF1AD65,
130  0x59C64468A31D8859, 0x762FB0B4D45B61F6, 0x155BAED099047718, 0x68755E4C3D50BAA6,
131  0xE9214E7F22D8B4DF, 0x2ADDBF532EAC95F4, 0x32AE3909B4BD0109, 0x834DF537B08E3450,
132  0xFA209DA84220728D, 0x9E691D9B9EFE23F7, 0x0446D288C4AE8D7F, 0x7B4CC524E169785B,
133  0x21D87F0135CA1385, 0xCEBB400F137B8AA5, 0x272E2B66580796BE, 0x3612264125C2B0DE,
134  0x057702BDAD1EFBB2, 0xD4BABB8EACF84BE9, 0x91583139641BC67B, 0x8BDC2DE08036E024,
135  0x603C8156F49F68ED, 0xF7D236F7DBEF5111, 0x9727C4598AD21E80, 0xA08A0896670A5FD7,
136  0xCB4A8F4309EBA9CB, 0x81AF564B0F7036A1, 0xC0B99AA778199ABD, 0x959F1EC83FC8E952,
137  0x8C505077794A81B9, 0x3ACAAF8F056338F0, 0x07B43F50627A6778, 0x4A44AB49F5ECCC77,
138  0x3BC3D6E4B679EE98, 0x9CC0D4D1CF14108C, 0x4406C00B206BC8A0, 0x82A18854C8D72D89,
139  0x67E366B35C3C432C, 0xB923DD61102B37F2, 0x56AB2779D884271D, 0xBE83E1B0FF1525AF,
140  0xFB7C65D4217E49A9, 0x6BDBE0E76D48E7D4, 0x08DF828745D9179E, 0x22EA6A9ADD53BD34,
141  0xE36E141C5622200A, 0x7F805D1B8CB750EE, 0xAFE5C7A59F58E837, 0xE27F996A4FB1C23C,
142  0xD3867DFB0775F0D0, 0xD0E673DE6E88891A, 0x123AEB9EAFB86C25, 0x30F1D5D5C145B895,
143  0xBB434A2DEE7269E7, 0x78CB67ECF931FA38, 0xF33B0372323BBF9C, 0x52D66336FB279C74,
144  0x505F33AC0AFB4EAA, 0xE8A5CD99A2CCE187, 0x534974801E2D30BB, 0x8D2D5711D5876D90,
145  0x1F1A412891BC038E, 0xD6E2E71D82E56648, 0x74036C3A497732B7, 0x89B67ED96361F5AB,
146  0xFFED95D8F1EA02A2, 0xE72B3BD61464D43D, 0xA6300F170BDC4820, 0xEBC18760ED78A77A
147 };
148 
149 //S-box 2
150 static const uint64_t t2[256] =
151 {
152  0xE6A6BE5A05A12138, 0xB5A122A5B4F87C98, 0x563C6089140B6990, 0x4C46CB2E391F5DD5,
153  0xD932ADDBC9B79434, 0x08EA70E42015AFF5, 0xD765A6673E478CF1, 0xC4FB757EAB278D99,
154  0xDF11C6862D6E0692, 0xDDEB84F10D7F3B16, 0x6F2EF604A665EA04, 0x4A8E0F0FF0E0DFB3,
155  0xA5EDEEF83DBCBA51, 0xFC4F0A2A0EA4371E, 0xE83E1DA85CB38429, 0xDC8FF882BA1B1CE2,
156  0xCD45505E8353E80D, 0x18D19A00D4DB0717, 0x34A0CFEDA5F38101, 0x0BE77E518887CAF2,
157  0x1E341438B3C45136, 0xE05797F49089CCF9, 0xFFD23F9DF2591D14, 0x543DDA228595C5CD,
158  0x661F81FD99052A33, 0x8736E641DB0F7B76, 0x15227725418E5307, 0xE25F7F46162EB2FA,
159  0x48A8B2126C13D9FE, 0xAFDC541792E76EEA, 0x03D912BFC6D1898F, 0x31B1AAFA1B83F51B,
160  0xF1AC2796E42AB7D9, 0x40A3A7D7FCD2EBAC, 0x1056136D0AFBBCC5, 0x7889E1DD9A6D0C85,
161  0xD33525782A7974AA, 0xA7E25D09078AC09B, 0xBD4138B3EAC6EDD0, 0x920ABFBE71EB9E70,
162  0xA2A5D0F54FC2625C, 0xC054E36B0B1290A3, 0xF6DD59FF62FE932B, 0x3537354511A8AC7D,
163  0xCA845E9172FADCD4, 0x84F82B60329D20DC, 0x79C62CE1CD672F18, 0x8B09A2ADD124642C,
164  0xD0C1E96A19D9E726, 0x5A786A9B4BA9500C, 0x0E020336634C43F3, 0xC17B474AEB66D822,
165  0x6A731AE3EC9BAAC2, 0x8226667AE0840258, 0x67D4567691CAECA5, 0x1D94155C4875ADB5,
166  0x6D00FD985B813FDF, 0x51286EFCB774CD06, 0x5E8834471FA744AF, 0xF72CA0AEE761AE2E,
167  0xBE40E4CDAEE8E09A, 0xE9970BBB5118F665, 0x726E4BEB33DF1964, 0x703B000729199762,
168  0x4631D816F5EF30A7, 0xB880B5B51504A6BE, 0x641793C37ED84B6C, 0x7B21ED77F6E97D96,
169  0x776306312EF96B73, 0xAE528948E86FF3F4, 0x53DBD7F286A3F8F8, 0x16CADCE74CFC1063,
170  0x005C19BDFA52C6DD, 0x68868F5D64D46AD3, 0x3A9D512CCF1E186A, 0x367E62C2385660AE,
171  0xE359E7EA77DCB1D7, 0x526C0773749ABE6E, 0x735AE5F9D09F734B, 0x493FC7CC8A558BA8,
172  0xB0B9C1533041AB45, 0x321958BA470A59BD, 0x852DB00B5F46C393, 0x91209B2BD336B0E5,
173  0x6E604F7D659EF19F, 0xB99A8AE2782CCB24, 0xCCF52AB6C814C4C7, 0x4727D9AFBE11727B,
174  0x7E950D0C0121B34D, 0x756F435670AD471F, 0xF5ADD442615A6849, 0x4E87E09980B9957A,
175  0x2ACFA1DF50AEE355, 0xD898263AFD2FD556, 0xC8F4924DD80C8FD6, 0xCF99CA3D754A173A,
176  0xFE477BACAF91BF3C, 0xED5371F6D690C12D, 0x831A5C285E687094, 0xC5D3C90A3708A0A4,
177  0x0F7F903717D06580, 0x19F9BB13B8FDF27F, 0xB1BD6F1B4D502843, 0x1C761BA38FFF4012,
178  0x0D1530C4E2E21F3B, 0x8943CE69A7372C8A, 0xE5184E11FEB5CE66, 0x618BDB80BD736621,
179  0x7D29BAD68B574D0B, 0x81BB613E25E6FE5B, 0x071C9C10BC07913F, 0xC7BEEB7909AC2D97,
180  0xC3E58D353BC5D757, 0xEB017892F38F61E8, 0xD4EFFB9C9B1CC21A, 0x99727D26F494F7AB,
181  0xA3E063A2956B3E03, 0x9D4A8B9A4AA09C30, 0x3F6AB7D500090FB4, 0x9CC0F2A057268AC0,
182  0x3DEE9D2DEDBF42D1, 0x330F49C87960A972, 0xC6B2720287421B41, 0x0AC59EC07C00369C,
183  0xEF4EAC49CB353425, 0xF450244EEF0129D8, 0x8ACC46E5CAF4DEB6, 0x2FFEAB63989263F7,
184  0x8F7CB9FE5D7A4578, 0x5BD8F7644E634635, 0x427A7315BF2DC900, 0x17D0C4AA2125261C,
185  0x3992486C93518E50, 0xB4CBFEE0A2D7D4C3, 0x7C75D6202C5DDD8D, 0xDBC295D8E35B6C61,
186  0x60B369D302032B19, 0xCE42685FDCE44132, 0x06F3DDB9DDF65610, 0x8EA4D21DB5E148F0,
187  0x20B0FCE62FCD496F, 0x2C1B912358B0EE31, 0xB28317B818F5A308, 0xA89C1E189CA6D2CF,
188  0x0C6B18576AAADBC8, 0xB65DEAA91299FAE3, 0xFB2B794B7F1027E7, 0x04E4317F443B5BEB,
189  0x4B852D325939D0A6, 0xD5AE6BEEFB207FFC, 0x309682B281C7D374, 0xBAE309A194C3B475,
190  0x8CC3F97B13B49F05, 0x98A9422FF8293967, 0x244B16B01076FF7C, 0xF8BF571C663D67EE,
191  0x1F0D6758EEE30DA1, 0xC9B611D97ADEB9B7, 0xB7AFD5887B6C57A2, 0x6290AE846B984FE1,
192  0x94DF4CDEACC1A5FD, 0x058A5BD1C5483AFF, 0x63166CC142BA3C37, 0x8DB8526EB2F76F40,
193  0xE10880036F0D6D4E, 0x9E0523C9971D311D, 0x45EC2824CC7CD691, 0x575B8359E62382C9,
194  0xFA9E400DC4889995, 0xD1823ECB45721568, 0xDAFD983B8206082F, 0xAA7D29082386A8CB,
195  0x269FCD4403B87588, 0x1B91F5F728BDD1E0, 0xE4669F39040201F6, 0x7A1D7C218CF04ADE,
196  0x65623C29D79CE5CE, 0x2368449096C00BB1, 0xAB9BF1879DA503BA, 0xBC23ECB1A458058E,
197  0x9A58DF01BB401ECC, 0xA070E868A85F143D, 0x4FF188307DF2239E, 0x14D565B41A641183,
198  0xEE13337452701602, 0x950E3DCF3F285E09, 0x59930254B9C80953, 0x3BF299408930DA6D,
199  0xA955943F53691387, 0xA15EDECAA9CB8784, 0x29142127352BE9A0, 0x76F0371FFF4E7AFB,
200  0x0239F450274F2228, 0xBB073AF01D5E868B, 0xBFC80571C10E96C1, 0xD267088568222E23,
201  0x9671A3D48E80B5B0, 0x55B5D38AE193BB81, 0x693AE2D0A18B04B8, 0x5C48B4ECADD5335F,
202  0xFD743B194916A1CA, 0x2577018134BE98C4, 0xE77987E83C54A4AD, 0x28E11014DA33E1B9,
203  0x270CC59E226AA213, 0x71495F756D1A5F60, 0x9BE853FB60AFEF77, 0xADC786A7F7443DBF,
204  0x0904456173B29A82, 0x58BC7A66C232BD5E, 0xF306558C673AC8B2, 0x41F639C6B6C9772A,
205  0x216DEFE99FDA35DA, 0x11640CC71C7BE615, 0x93C43694565C5527, 0xEA038E6246777839,
206  0xF9ABF3CE5A3E2469, 0x741E768D0FD312D2, 0x0144B883CED652C6, 0xC20B5A5BA33F8552,
207  0x1AE69633C3435A9D, 0x97A28CA4088CFDEC, 0x8824A43C1E96F420, 0x37612FA66EEEA746,
208  0x6B4CB165F9CF0E5A, 0x43AA1C06A0ABFB4A, 0x7F4DC26FF162796B, 0x6CBACC8E54ED9B0F,
209  0xA6B7FFEFD2BB253E, 0x2E25BC95B0A29D4F, 0x86D6A58BDEF1388C, 0xDED74AC576B6F054,
210  0x8030BDBC2B45805D, 0x3C81AF70E94D9289, 0x3EFF6DDA9E3100DB, 0xB38DC39FDFCC8847,
211  0x123885528D17B87E, 0xF2DA0ED240B1B642, 0x44CEFADCD54BF9A9, 0x1312200E433C7EE6,
212  0x9FFCC84F3A78C748, 0xF0CD1F72248576BB, 0xEC6974053638CFE4, 0x2BA7B67C0CEC4E4C,
213  0xAC2F4DF3E5CE32ED, 0xCB33D14326EA4C11, 0xA4E9044CC77E58BC, 0x5F513293D934FCEF,
214  0x5DC9645506E55444, 0x50DE418F317DE40A, 0x388CB31A69DDE259, 0x2DB4A83455820A86,
215  0x9010A91E84711AE9, 0x4DF7F0B7B1498371, 0xD62A2EABC0977179, 0x22FAC097AA8D5C0E
216 };
217 
218 //S-box 3
219 static const uint64_t t3[256] =
220 {
221  0xF49FCC2FF1DAF39B, 0x487FD5C66FF29281, 0xE8A30667FCDCA83F, 0x2C9B4BE3D2FCCE63,
222  0xDA3FF74B93FBBBC2, 0x2FA165D2FE70BA66, 0xA103E279970E93D4, 0xBECDEC77B0E45E71,
223  0xCFB41E723985E497, 0xB70AAA025EF75017, 0xD42309F03840B8E0, 0x8EFC1AD035898579,
224  0x96C6920BE2B2ABC5, 0x66AF4163375A9172, 0x2174ABDCCA7127FB, 0xB33CCEA64A72FF41,
225  0xF04A4933083066A5, 0x8D970ACDD7289AF5, 0x8F96E8E031C8C25E, 0xF3FEC02276875D47,
226  0xEC7BF310056190DD, 0xF5ADB0AEBB0F1491, 0x9B50F8850FD58892, 0x4975488358B74DE8,
227  0xA3354FF691531C61, 0x0702BBE481D2C6EE, 0x89FB24057DEDED98, 0xAC3075138596E902,
228  0x1D2D3580172772ED, 0xEB738FC28E6BC30D, 0x5854EF8F63044326, 0x9E5C52325ADD3BBE,
229  0x90AA53CF325C4623, 0xC1D24D51349DD067, 0x2051CFEEA69EA624, 0x13220F0A862E7E4F,
230  0xCE39399404E04864, 0xD9C42CA47086FCB7, 0x685AD2238A03E7CC, 0x066484B2AB2FF1DB,
231  0xFE9D5D70EFBF79EC, 0x5B13B9DD9C481854, 0x15F0D475ED1509AD, 0x0BEBCD060EC79851,
232  0xD58C6791183AB7F8, 0xD1187C5052F3EEE4, 0xC95D1192E54E82FF, 0x86EEA14CB9AC6CA2,
233  0x3485BEB153677D5D, 0xDD191D781F8C492A, 0xF60866BAA784EBF9, 0x518F643BA2D08C74,
234  0x8852E956E1087C22, 0xA768CB8DC410AE8D, 0x38047726BFEC8E1A, 0xA67738B4CD3B45AA,
235  0xAD16691CEC0DDE19, 0xC6D4319380462E07, 0xC5A5876D0BA61938, 0x16B9FA1FA58FD840,
236  0x188AB1173CA74F18, 0xABDA2F98C99C021F, 0x3E0580AB134AE816, 0x5F3B05B773645ABB,
237  0x2501A2BE5575F2F6, 0x1B2F74004E7E8BA9, 0x1CD7580371E8D953, 0x7F6ED89562764E30,
238  0xB15926FF596F003D, 0x9F65293DA8C5D6B9, 0x6ECEF04DD690F84C, 0x4782275FFF33AF88,
239  0xE41433083F820801, 0xFD0DFE409A1AF9B5, 0x4325A3342CDB396B, 0x8AE77E62B301B252,
240  0xC36F9E9F6655615A, 0x85455A2D92D32C09, 0xF2C7DEA949477485, 0x63CFB4C133A39EBA,
241  0x83B040CC6EBC5462, 0x3B9454C8FDB326B0, 0x56F56A9E87FFD78C, 0x2DC2940D99F42BC6,
242  0x98F7DF096B096E2D, 0x19A6E01E3AD852BF, 0x42A99CCBDBD4B40B, 0xA59998AF45E9C559,
243  0x366295E807D93186, 0x6B48181BFAA1F773, 0x1FEC57E2157A0A1D, 0x4667446AF6201AD5,
244  0xE615EBCACFB0F075, 0xB8F31F4F68290778, 0x22713ED6CE22D11E, 0x3057C1A72EC3C93B,
245  0xCB46ACC37C3F1F2F, 0xDBB893FD02AAF50E, 0x331FD92E600B9FCF, 0xA498F96148EA3AD6,
246  0xA8D8426E8B6A83EA, 0xA089B274B7735CDC, 0x87F6B3731E524A11, 0x118808E5CBC96749,
247  0x9906E4C7B19BD394, 0xAFED7F7E9B24A20C, 0x6509EADEEB3644A7, 0x6C1EF1D3E8EF0EDE,
248  0xB9C97D43E9798FB4, 0xA2F2D784740C28A3, 0x7B8496476197566F, 0x7A5BE3E6B65F069D,
249  0xF96330ED78BE6F10, 0xEEE60DE77A076A15, 0x2B4BEE4AA08B9BD0, 0x6A56A63EC7B8894E,
250  0x02121359BA34FEF4, 0x4CBF99F8283703FC, 0x398071350CAF30C8, 0xD0A77A89F017687A,
251  0xF1C1A9EB9E423569, 0x8C7976282DEE8199, 0x5D1737A5DD1F7ABD, 0x4F53433C09A9FA80,
252  0xFA8B0C53DF7CA1D9, 0x3FD9DCBC886CCB77, 0xC040917CA91B4720, 0x7DD00142F9D1DCDF,
253  0x8476FC1D4F387B58, 0x23F8E7C5F3316503, 0x032A2244E7E37339, 0x5C87A5D750F5A74B,
254  0x082B4CC43698992E, 0xDF917BECB858F63C, 0x3270B8FC5BF86DDA, 0x10AE72BB29B5DD76,
255  0x576AC94E7700362B, 0x1AD112DAC61EFB8F, 0x691BC30EC5FAA427, 0xFF246311CC327143,
256  0x3142368E30E53206, 0x71380E31E02CA396, 0x958D5C960AAD76F1, 0xF8D6F430C16DA536,
257  0xC8FFD13F1BE7E1D2, 0x7578AE66004DDBE1, 0x05833F01067BE646, 0xBB34B5AD3BFE586D,
258  0x095F34C9A12B97F0, 0x247AB64525D60CA8, 0xDCDBC6F3017477D1, 0x4A2E14D4DECAD24D,
259  0xBDB5E6D9BE0A1EEB, 0x2A7E70F7794301AB, 0xDEF42D8A270540FD, 0x01078EC0A34C22C1,
260  0xE5DE511AF4C16387, 0x7EBB3A52BD9A330A, 0x77697857AA7D6435, 0x004E831603AE4C32,
261  0xE7A21020AD78E312, 0x9D41A70C6AB420F2, 0x28E06C18EA1141E6, 0xD2B28CBD984F6B28,
262  0x26B75F6C446E9D83, 0xBA47568C4D418D7F, 0xD80BADBFE6183D8E, 0x0E206D7F5F166044,
263  0xE258A43911CBCA3E, 0x723A1746B21DC0BC, 0xC7CAA854F5D7CDD3, 0x7CAC32883D261D9C,
264  0x7690C26423BA942C, 0x17E55524478042B8, 0xE0BE477656A2389F, 0x4D289B5E67AB2DA0,
265  0x44862B9C8FBBFD31, 0xB47CC8049D141365, 0x822C1B362B91C793, 0x4EB14655FB13DFD8,
266  0x1ECBBA0714E2A97B, 0x6143459D5CDE5F14, 0x53A8FBF1D5F0AC89, 0x97EA04D81C5E5B00,
267  0x622181A8D4FDB3F3, 0xE9BCD341572A1208, 0x1411258643CCE58A, 0x9144C5FEA4C6E0A4,
268  0x0D33D06565CF620F, 0x54A48D489F219CA1, 0xC43E5EAC6D63C821, 0xA9728B3A72770DAF,
269  0xD7934E7B20DF87EF, 0xE35503B61A3E86E5, 0xCAE321FBC819D504, 0x129A50B3AC60BFA6,
270  0xCD5E68EA7E9FB6C3, 0xB01C90199483B1C7, 0x3DE93CD5C295376C, 0xAED52EDF2AB9AD13,
271  0x2E60F512C0A07884, 0xBC3D86A3E36210C9, 0x35269D9B163951CE, 0x0C7D6E2AD0CDB5FA,
272  0x59E86297D87F5733, 0x298EF221898DB0E7, 0x55000029D1A5AA7E, 0x8BC08AE1B5061B45,
273  0xC2C31C2B6C92703A, 0x94CC596BAF25EF42, 0x0A1D73DB22540456, 0x04B6A0F9D9C4179A,
274  0xEFFDAFA2AE3D3C60, 0xF7C8075BB49496C4, 0x9CC5C7141D1CD4E3, 0x78BD1638218E5534,
275  0xB2F11568F850246A, 0xEDFABCFA9502BC29, 0x796CE5F2DA23051B, 0xAAE128B0DC93537C,
276  0x3A493DA0EE4B29AE, 0xB5DF6B2C416895D7, 0xFCABBD25122D7F37, 0x70810B58105DC4B1,
277  0xE10FDD37F7882A90, 0x524DCAB5518A3F5C, 0x3C9E85878451255B, 0x4029828119BD34E2,
278  0x74A05B6F5D3CECCB, 0xB610021542E13ECA, 0x0FF979D12F59E2AC, 0x6037DA27E4F9CC50,
279  0x5E92975A0DF1847D, 0xD66DE190D3E623FE, 0x5032D6B87B568048, 0x9A36B7CE8235216E,
280  0x80272A7A24F64B4A, 0x93EFED8B8C6916F7, 0x37DDBFF44CCE1555, 0x4B95DB5D4B99BD25,
281  0x92D3FDA169812FC0, 0xFB1A4A9A90660BB6, 0x730C196946A4B9B2, 0x81E289AA7F49DA68,
282  0x64669A0F83B1A05F, 0x27B3FF7D9644F48B, 0xCC6B615C8DB675B3, 0x674F20B9BCEBBE95,
283  0x6F31238275655982, 0x5AE488713E45CF05, 0xBF619F9954C21157, 0xEABAC46040A8EAE9,
284  0x454C6FE9F2C0C1CD, 0x419CF6496412691C, 0xD3DC3BEF265B0F70, 0x6D0E60F5C3578A9E
285 };
286 
287 //S-box 4
288 static const uint64_t t4[256] =
289 {
290  0x5B0E608526323C55, 0x1A46C1A9FA1B59F5, 0xA9E245A17C4C8FFA, 0x65CA5159DB2955D7,
291  0x05DB0A76CE35AFC2, 0x81EAC77EA9113D45, 0x528EF88AB6AC0A0D, 0xA09EA253597BE3FF,
292  0x430DDFB3AC48CD56, 0xC4B3A67AF45CE46F, 0x4ECECFD8FBE2D05E, 0x3EF56F10B39935F0,
293  0x0B22D6829CD619C6, 0x17FD460A74DF2069, 0x6CF8CC8E8510ED40, 0xD6C824BF3A6ECAA7,
294  0x61243D581A817049, 0x048BACB6BBC163A2, 0xD9A38AC27D44CC32, 0x7FDDFF5BAAF410AB,
295  0xAD6D495AA804824B, 0xE1A6A74F2D8C9F94, 0xD4F7851235DEE8E3, 0xFD4B7F886540D893,
296  0x247C20042AA4BFDA, 0x096EA1C517D1327C, 0xD56966B4361A6685, 0x277DA5C31221057D,
297  0x94D59893A43ACFF7, 0x64F0C51CCDC02281, 0x3D33BCC4FF6189DB, 0xE005CB184CE66AF1,
298  0xFF5CCD1D1DB99BEA, 0xB0B854A7FE42980F, 0x7BD46A6A718D4B9F, 0xD10FA8CC22A5FD8C,
299  0xD31484952BE4BD31, 0xC7FA975FCB243847, 0x4886ED1E5846C407, 0x28CDDB791EB70B04,
300  0xC2B00BE2F573417F, 0x5C9590452180F877, 0x7A6BDDFFF370EB00, 0xCE509E38D6D9D6A4,
301  0xEBEB0F00647FA702, 0x1DCC06CF76606F06, 0xE4D9F28BA286FF0A, 0xD85A305DC918C262,
302  0x475B1D8732225F54, 0x2D4FB51668CCB5FE, 0xA679B9D9D72BBA20, 0x53841C0D912D43A5,
303  0x3B7EAA48BF12A4E8, 0x781E0E47F22F1DDF, 0xEFF20CE60AB50973, 0x20D261D19DFFB742,
304  0x16A12B03062A2E39, 0x1960EB2239650495, 0x251C16FED50EB8B8, 0x9AC0C330F826016E,
305  0xED152665953E7671, 0x02D63194A6369570, 0x5074F08394B1C987, 0x70BA598C90B25CE1,
306  0x794A15810B9742F6, 0x0D5925E9FCAF8C6C, 0x3067716CD868744E, 0x910AB077E8D7731B,
307  0x6A61BBDB5AC42F61, 0x93513EFBF0851567, 0xF494724B9E83E9D5, 0xE887E1985C09648D,
308  0x34B1D3C675370CFD, 0xDC35E433BC0D255D, 0xD0AAB84234131BE0, 0x08042A50B48B7EAF,
309  0x9997C4EE44A3AB35, 0x829A7B49201799D0, 0x263B8307B7C54441, 0x752F95F4FD6A6CA6,
310  0x927217402C08C6E5, 0x2A8AB754A795D9EE, 0xA442F7552F72943D, 0x2C31334E19781208,
311  0x4FA98D7CEAEE6291, 0x55C3862F665DB309, 0xBD0610175D53B1F3, 0x46FE6CB840413F27,
312  0x3FE03792DF0CFA59, 0xCFE700372EB85E8F, 0xA7BE29E7ADBCE118, 0xE544EE5CDE8431DD,
313  0x8A781B1B41F1873E, 0xA5C94C78A0D2F0E7, 0x39412E2877B60728, 0xA1265EF3AFC9A62C,
314  0xBCC2770C6A2506C5, 0x3AB66DD5DCE1CE12, 0xE65499D04A675B37, 0x7D8F523481BFD216,
315  0x0F6F64FCEC15F389, 0x74EFBE618B5B13C8, 0xACDC82B714273E1D, 0xDD40BFE003199D17,
316  0x37E99257E7E061F8, 0xFA52626904775AAA, 0x8BBBF63A463D56F9, 0xF0013F1543A26E64,
317  0xA8307E9F879EC898, 0xCC4C27A4150177CC, 0x1B432F2CCA1D3348, 0xDE1D1F8F9F6FA013,
318  0x606602A047A7DDD6, 0xD237AB64CC1CB2C7, 0x9B938E7225FCD1D3, 0xEC4E03708E0FF476,
319  0xFEB2FBDA3D03C12D, 0xAE0BCED2EE43889A, 0x22CB8923EBFB4F43, 0x69360D013CF7396D,
320  0x855E3602D2D4E022, 0x073805BAD01F784C, 0x33E17A133852F546, 0xDF4874058AC7B638,
321  0xBA92B29C678AA14A, 0x0CE89FC76CFAADCD, 0x5F9D4E0908339E34, 0xF1AFE9291F5923B9,
322  0x6E3480F60F4A265F, 0xEEBF3A2AB29B841C, 0xE21938A88F91B4AD, 0x57DFEFF845C6D3C3,
323  0x2F006B0BF62CAAF2, 0x62F479EF6F75EE78, 0x11A55AD41C8916A9, 0xF229D29084FED453,
324  0x42F1C27B16B000E6, 0x2B1F76749823C074, 0x4B76ECA3C2745360, 0x8C98F463B91691BD,
325  0x14BCC93CF1ADE66A, 0x8885213E6D458397, 0x8E177DF0274D4711, 0xB49B73B5503F2951,
326  0x10168168C3F96B6B, 0x0E3D963B63CAB0AE, 0x8DFC4B5655A1DB14, 0xF789F1356E14DE5C,
327  0x683E68AF4E51DAC1, 0xC9A84F9D8D4B0FD9, 0x3691E03F52A0F9D1, 0x5ED86E46E1878E80,
328  0x3C711A0E99D07150, 0x5A0865B20C4E9310, 0x56FBFC1FE4F0682E, 0xEA8D5DE3105EDF9B,
329  0x71ABFDB12379187A, 0x2EB99DE1BEE77B9C, 0x21ECC0EA33CF4523, 0x59A4D7521805C7A1,
330  0x3896F5EB56AE7C72, 0xAA638F3DB18F75DC, 0x9F39358DABE9808E, 0xB7DEFA91C00B72AC,
331  0x6B5541FD62492D92, 0x6DC6DEE8F92E4D5B, 0x353F57ABC4BEEA7E, 0x735769D6DA5690CE,
332  0x0A234AA642391484, 0xF6F9508028F80D9D, 0xB8E319A27AB3F215, 0x31AD9C1151341A4D,
333  0x773C22A57BEF5805, 0x45C7561A07968633, 0xF913DA9E249DBE36, 0xDA652D9B78A64C68,
334  0x4C27A97F3BC334EF, 0x76621220E66B17F4, 0x967743899ACD7D0B, 0xF3EE5BCAE0ED6782,
335  0x409F753600C879FC, 0x06D09A39B5926DB6, 0x6F83AEB0317AC588, 0x01E6CA4A86381F21,
336  0x66FF3462D19F3025, 0x72207C24DDFD3BFB, 0x4AF6B6D3E2ECE2EB, 0x9C994DBEC7EA08DE,
337  0x49ACE597B09A8BC4, 0xB38C4766CF0797BA, 0x131B9373C57C2A75, 0xB1822CCE61931E58,
338  0x9D7555B909BA1C0C, 0x127FAFDD937D11D2, 0x29DA3BADC66D92E4, 0xA2C1D57154C2ECBC,
339  0x58C5134D82F6FE24, 0x1C3AE3515B62274F, 0xE907C82E01CB8126, 0xF8ED091913E37FCB,
340  0x3249D8F9C80046C9, 0x80CF9BEDE388FB63, 0x1881539A116CF19E, 0x5103F3F76BD52457,
341  0x15B7E6F5AE47F7A8, 0xDBD7C6DED47E9CCF, 0x44E55C410228BB1A, 0xB647D4255EDB4E99,
342  0x5D11882BB8AAFC30, 0xF5098BBB29D3212A, 0x8FB5EA14E90296B3, 0x677B942157DD025A,
343  0xFB58E7C0A390ACB5, 0x89D3674C83BD4A01, 0x9E2DA4DF4BF3B93B, 0xFCC41E328CAB4829,
344  0x03F38C96BA582C52, 0xCAD1BDBD7FD85DB2, 0xBBB442C16082AE83, 0xB95FE86BA5DA9AB0,
345  0xB22E04673771A93F, 0x845358C9493152D8, 0xBE2A488697B4541E, 0x95A2DC2DD38E6966,
346  0xC02C11AC923C852B, 0x2388B1990DF2A87B, 0x7C8008FA1B4F37BE, 0x1F70D0C84D54E503,
347  0x5490ADEC7ECE57D4, 0x002B3C27D9063A3A, 0x7EAEA3848030A2BF, 0xC602326DED2003C0,
348  0x83A7287D69A94086, 0xC57A5FCB30F57A8A, 0xB56844E479EBE779, 0xA373B40F05DCBCE9,
349  0xD71A786E88570EE2, 0x879CBACDBDE8F6A0, 0x976AD1BCC164A32F, 0xAB21E25E9666D78B,
350  0x901063AAE5E5C33C, 0x9818B34448698D90, 0xE36487AE3E1E8ABB, 0xAFBDF931893BDCB4,
351  0x6345A0DC5FBBD519, 0x8628FE269B9465CA, 0x1E5D01603F9C51EC, 0x4DE44006A15049B7,
352  0xBF6C70E5F776CBB1, 0x411218F2EF552BED, 0xCB0C0708705A36A3, 0xE74D14754F986044,
353  0xCD56D9430EA8280E, 0xC12591D7535F5065, 0xC83223F1720AEF96, 0xC3A0396F7363A51F
354 };
355 
356 //Tiger object identifier (1.3.6.1.4.1.11591.12.2)
357 const uint8_t TIGER_OID[9] = {0x2B, 0x06, 0x01, 0x04, 0x01, 0xDA, 0x47, 0x0C, 0x02};
358 
359 //Common interface for hash algorithms
360 const HashAlgo tigerHashAlgo =
361 {
362  "Tiger",
363  TIGER_OID,
364  sizeof(TIGER_OID),
365  sizeof(TigerContext),
366  TIGER_BLOCK_SIZE,
367  TIGER_DIGEST_SIZE,
368  TIGER_MIN_PAD_SIZE,
369  FALSE,
370  (HashAlgoCompute) tigerCompute,
371  (HashAlgoInit) tigerInit,
372  (HashAlgoUpdate) tigerUpdate,
373  (HashAlgoFinal) tigerFinal,
374  NULL
375 };
376 
377 
378 /**
379  * @brief Digest a message using Tiger
380  * @param[in] data Pointer to the message being hashed
381  * @param[in] length Length of the message
382  * @param[out] digest Pointer to the calculated digest
383  * @return Error code
384  **/
385 
386 error_t tigerCompute(const void *data, size_t length, uint8_t *digest)
387 {
388 #if (CRYPTO_STATIC_MEM_SUPPORT == DISABLED)
389  TigerContext *context;
390 #else
391  TigerContext context[1];
392 #endif
393 
394  //Check parameters
395  if(data == NULL && length != 0)
396  return ERROR_INVALID_PARAMETER;
397 
398  if(digest == NULL)
399  return ERROR_INVALID_PARAMETER;
400 
401 #if (CRYPTO_STATIC_MEM_SUPPORT == DISABLED)
402  //Allocate a memory buffer to hold the Tiger context
403  context = cryptoAllocMem(sizeof(TigerContext));
404  //Failed to allocate memory?
405  if(context == NULL)
406  return ERROR_OUT_OF_MEMORY;
407 #endif
408 
409  //Initialize the Tiger context
410  tigerInit(context);
411  //Digest the message
412  tigerUpdate(context, data, length);
413  //Finalize the Tiger message digest
414  tigerFinal(context, digest);
415 
416 #if (CRYPTO_STATIC_MEM_SUPPORT == DISABLED)
417  //Free previously allocated memory
418  cryptoFreeMem(context);
419 #endif
420 
421  //Successful operation
422  return NO_ERROR;
423 }
424 
425 
426 /**
427  * @brief Initialize Tiger message digest context
428  * @param[in] context Pointer to the Tiger context to initialize
429  **/
430 
431 void tigerInit(TigerContext *context)
432 {
433  //Set initial hash value
434  context->h[0] = 0x0123456789ABCDEF;
435  context->h[1] = 0xFEDCBA9876543210;
436  context->h[2] = 0xF096A5B4C3B2E187;
437 
438  //Number of bytes in the buffer
439  context->size = 0;
440  //Total length of the message
441  context->totalSize = 0;
442 }
443 
444 
445 /**
446  * @brief Update the Tiger context with a portion of the message being hashed
447  * @param[in] context Pointer to the Tiger context
448  * @param[in] data Pointer to the buffer being hashed
449  * @param[in] length Length of the buffer
450  **/
451 
452 void tigerUpdate(TigerContext *context, const void *data, size_t length)
453 {
454  size_t n;
455 
456  //Process the incoming data
457  while(length > 0)
458  {
459  //The buffer can hold at most 64 bytes
460  n = MIN(length, 64 - context->size);
461 
462  //Copy the data to the buffer
463  osMemcpy(context->buffer + context->size, data, n);
464 
465  //Update the Tiger context
466  context->size += n;
467  context->totalSize += n;
468  //Advance the data pointer
469  data = (uint8_t *) data + n;
470  //Remaining bytes to process
471  length -= n;
472 
473  //Process message in 16-word blocks
474  if(context->size == 64)
475  {
476  //Transform the 16-word block
477  tigerProcessBlock(context);
478  //Empty the buffer
479  context->size = 0;
480  }
481  }
482 }
483 
484 
485 /**
486  * @brief Finish the Tiger message digest
487  * @param[in] context Pointer to the Tiger context
488  * @param[out] digest Calculated digest (optional parameter)
489  **/
490 
491 void tigerFinal(TigerContext *context, uint8_t *digest)
492 {
493  uint_t i;
494  size_t paddingSize;
495  uint64_t totalSize;
496 
497  //Length of the original message (before padding)
498  totalSize = context->totalSize * 8;
499 
500  //Pad the message so that its length is congruent to 56 modulo 64
501  if(context->size < 56)
502  {
503  paddingSize = 56 - context->size;
504  }
505  else
506  {
507  paddingSize = 64 + 56 - context->size;
508  }
509 
510  //Append padding
511  tigerUpdate(context, padding, paddingSize);
512 
513  //Append the length of the original message
514  context->x[7] = htole64(totalSize);
515 
516  //Calculate the message digest
517  tigerProcessBlock(context);
518 
519  //Convert from host byte order to little-endian byte order
520  for(i = 0; i < 3; i++)
521  {
522  context->h[i] = htole64(context->h[i]);
523  }
524 
525  //Copy the resulting digest
526  if(digest != NULL)
527  {
528  osMemcpy(digest, context->digest, TIGER_DIGEST_SIZE);
529  }
530 }
531 
532 
533 /**
534  * @brief Process message in 16-word blocks
535  * @param[in] context Pointer to the Tiger context
536  **/
537 
538 void tigerProcessBlock(TigerContext *context)
539 {
540  uint_t i;
541 
542  //Initialize the 4 working registers
543  uint64_t a = context->h[0];
544  uint64_t b = context->h[1];
545  uint64_t c = context->h[2];
546 
547  //Each 512-bit message block is divided into eight 64-bit words
548  uint64_t *x = context->x;
549 
550  //Convert from little-endian byte order to host byte order
551  for(i = 0; i < 8; i++)
552  {
553  x[i] = letoh64(x[i]);
554  }
555 
556  //The computation consists of three passes
557  ROUND(a, b, c, x[0], 5);
558  ROUND(b, c, a, x[1], 5);
559  ROUND(c, a, b, x[2], 5);
560  ROUND(a, b, c, x[3], 5);
561  ROUND(b, c, a, x[4], 5);
562  ROUND(c, a, b, x[5], 5);
563  ROUND(a, b, c, x[6], 5);
564  ROUND(b, c, a, x[7], 5);
565  KEY_SCHEDULE(x);
566  ROUND(c, a, b, x[0], 7);
567  ROUND(a, b, c, x[1], 7);
568  ROUND(b, c, a, x[2], 7);
569  ROUND(c, a, b, x[3], 7);
570  ROUND(a, b, c, x[4], 7);
571  ROUND(b, c, a, x[5], 7);
572  ROUND(c, a, b, x[6], 7);
573  ROUND(a, b, c, x[7], 7);
574  KEY_SCHEDULE(x);
575  ROUND(b, c, a, x[0], 9);
576  ROUND(c, a, b, x[1], 9);
577  ROUND(a, b, c, x[2], 9);
578  ROUND(b, c, a, x[3], 9);
579  ROUND(c, a, b, x[4], 9);
580  ROUND(a, b, c, x[5], 9);
581  ROUND(b, c, a, x[6], 9);
582  ROUND(c, a, b, x[7], 9);
583 
584  //Update the hash value
585  context->h[0] = a ^ context->h[0];
586  context->h[1] = b - context->h[1];
587  context->h[2] = c + context->h[2];
588 }
589 
590 #endif
htole64
#define htole64(value)
Definition: cpu_endian.h:431
letoh64
#define letoh64(value)
Definition: cpu_endian.h:439
b
uint8_t b
Definition: nbns_common.h:104
HashAlgoInit
void(* HashAlgoInit)(void *context)
Definition: crypto.h:991
tigerUpdate
void tigerUpdate(TigerContext *context, const void *data, size_t length)
Update the Tiger context with a portion of the message being hashed.
Definition: tiger.c:452
a
uint8_t a
Definition: ndp.h:411
tigerProcessBlock
void tigerProcessBlock(TigerContext *context)
Process message in 16-word blocks.
Definition: tiger.c:538
x
uint8_t x
Definition: lldp_ext_med.h:211
TigerContext::size
size_t size
Definition: tiger.h:68
data
uint8_t data[]
Definition: ethernet.h:222
KEY_SCHEDULE
#define KEY_SCHEDULE(x)
Definition: tiger.c:51
ERROR_OUT_OF_MEMORY
@ ERROR_OUT_OF_MEMORY
Definition: error.h:63
TIGER_OID
const uint8_t TIGER_OID[9]
Definition: tiger.c:357
tigerHashAlgo
const HashAlgo tigerHashAlgo
Definition: tiger.c:360
TigerContext::totalSize
uint64_t totalSize
Definition: tiger.h:69
HashAlgoUpdate
void(* HashAlgoUpdate)(void *context, const void *data, size_t length)
Definition: crypto.h:993
TigerContext::digest
uint8_t digest[24]
Definition: tiger.h:61
TigerContext::x
uint64_t x[8]
Definition: tiger.h:65
FALSE
#define FALSE
Definition: os_port.h:46
ERROR_INVALID_PARAMETER
@ ERROR_INVALID_PARAMETER
Invalid parameter.
Definition: error.h:47
osMemcpy
#define osMemcpy(dest, src, length)
Definition: os_port.h:141
error_t
error_t
Error codes.
Definition: error.h:43
TigerContext::buffer
uint8_t buffer[64]
Definition: tiger.h:66
tiger.h
Tiger hash function.
TigerContext::h
uint64_t h[3]
Definition: tiger.h:60
crypto.h
General definitions for cryptographic algorithms.
TIGER_MIN_PAD_SIZE
#define TIGER_MIN_PAD_SIZE
Definition: tiger.h:42
t2
uint32_t t2
Definition: dhcpv6_common.h:251
length
uint8_t length
Definition: tcp.h:368
MIN
#define MIN(a, b)
Definition: os_port.h:63
TigerContext
Tiger algorithm context.
Definition: tiger.h:57
HashAlgoFinal
void(* HashAlgoFinal)(void *context, uint8_t *digest)
Definition: crypto.h:995
t1
uint32_t t1
Definition: dhcpv6_common.h:250
n
uint8_t n
Definition: dhcpv6_common.h:416
ROUND
#define ROUND(a, b, c, x, mul)
Definition: tiger.c:42
cryptoFreeMem
#define cryptoFreeMem(p)
Definition: crypto.h:791
TIGER_BLOCK_SIZE
#define TIGER_BLOCK_SIZE
Definition: tiger.h:38
cryptoAllocMem
#define cryptoAllocMem(size)
Definition: crypto.h:786
tigerFinal
void tigerFinal(TigerContext *context, uint8_t *digest)
Finish the Tiger message digest.
Definition: tiger.c:491
TIGER_DIGEST_SIZE
#define TIGER_DIGEST_SIZE
Definition: tiger.h:40
HashAlgo
Common interface for hash algorithms.
Definition: crypto.h:1046
tigerCompute
error_t tigerCompute(const void *data, size_t length, uint8_t *digest)
Digest a message using Tiger.
Definition: tiger.c:386
uint_t
unsigned int uint_t
Definition: compiler_port.h:50
HashAlgoCompute
error_t(* HashAlgoCompute)(const void *data, size_t length, uint8_t *digest)
Definition: crypto.h:988
tigerInit
void tigerInit(TigerContext *context)
Initialize Tiger message digest context.
Definition: tiger.c:431
NO_ERROR
@ NO_ERROR
Success.
Definition: error.h:44
c
uint8_t c
Definition: ndp.h:514