1 /*
2  * Pre-computed Skein IVs
3  *
4  * NOTE: these values are not "magic" constants, but
5  * are generated using the Threefish block function.
6  * They are pre-computed here only for speed; i.e., to
7  * avoid the need for a Threefish call during Init().
8  *
9  * The IV for any fixed hash length may be pre-computed.
10  * Only the most common values are included here.
11  */
12 /* Copyright 2013 Doug Whiting. This code is released to the public domain. */
13 /*
14  * Illumos implementation note: these constants are for Skein v1.3 as per:
15  * http://www.skein-hash.info/sites/default/files/skein1.3.pdf
16  */
17 
18 #include <sys/skein.h>		/* get Skein macros and types */
19 #include "skein_impl.h"		/* get internal definitions */
20 
21 #define	MK_64 SKEIN_MK_64
22 
23 /* blkSize =  256 bits. hashSize =  128 bits */
24 const uint64_t SKEIN_256_IV_128[] = {
25 	MK_64(0xE1111906, 0x964D7260),
26 	MK_64(0x883DAAA7, 0x7C8D811C),
27 	MK_64(0x10080DF4, 0x91960F7A),
28 	MK_64(0xCCF7DDE5, 0xB45BC1C2)
29 };
30 
31 /* blkSize =  256 bits. hashSize =  160 bits */
32 const uint64_t SKEIN_256_IV_160[] = {
33 	MK_64(0x14202314, 0x72825E98),
34 	MK_64(0x2AC4E9A2, 0x5A77E590),
35 	MK_64(0xD47A5856, 0x8838D63E),
36 	MK_64(0x2DD2E496, 0x8586AB7D)
37 };
38 
39 /* blkSize =  256 bits. hashSize =  224 bits */
40 const uint64_t SKEIN_256_IV_224[] = {
41 	MK_64(0xC6098A8C, 0x9AE5EA0B),
42 	MK_64(0x876D5686, 0x08C5191C),
43 	MK_64(0x99CB88D7, 0xD7F53884),
44 	MK_64(0x384BDDB1, 0xAEDDB5DE)
45 };
46 
47 /* blkSize =  256 bits. hashSize =  256 bits */
48 const uint64_t SKEIN_256_IV_256[] = {
49 	MK_64(0xFC9DA860, 0xD048B449),
50 	MK_64(0x2FCA6647, 0x9FA7D833),
51 	MK_64(0xB33BC389, 0x6656840F),
52 	MK_64(0x6A54E920, 0xFDE8DA69)
53 };
54 
55 /* blkSize =  512 bits. hashSize =  128 bits */
56 const uint64_t SKEIN_512_IV_128[] = {
57 	MK_64(0xA8BC7BF3, 0x6FBF9F52),
58 	MK_64(0x1E9872CE, 0xBD1AF0AA),
59 	MK_64(0x309B1790, 0xB32190D3),
60 	MK_64(0xBCFBB854, 0x3F94805C),
61 	MK_64(0x0DA61BCD, 0x6E31B11B),
62 	MK_64(0x1A18EBEA, 0xD46A32E3),
63 	MK_64(0xA2CC5B18, 0xCE84AA82),
64 	MK_64(0x6982AB28, 0x9D46982D)
65 };
66 
67 /* blkSize =  512 bits. hashSize =  160 bits */
68 const uint64_t SKEIN_512_IV_160[] = {
69 	MK_64(0x28B81A2A, 0xE013BD91),
70 	MK_64(0xC2F11668, 0xB5BDF78F),
71 	MK_64(0x1760D8F3, 0xF6A56F12),
72 	MK_64(0x4FB74758, 0x8239904F),
73 	MK_64(0x21EDE07F, 0x7EAF5056),
74 	MK_64(0xD908922E, 0x63ED70B8),
75 	MK_64(0xB8EC76FF, 0xECCB52FA),
76 	MK_64(0x01A47BB8, 0xA3F27A6E)
77 };
78 
79 /* blkSize =  512 bits. hashSize =  224 bits */
80 const uint64_t SKEIN_512_IV_224[] = {
81 	MK_64(0xCCD06162, 0x48677224),
82 	MK_64(0xCBA65CF3, 0xA92339EF),
83 	MK_64(0x8CCD69D6, 0x52FF4B64),
84 	MK_64(0x398AED7B, 0x3AB890B4),
85 	MK_64(0x0F59D1B1, 0x457D2BD0),
86 	MK_64(0x6776FE65, 0x75D4EB3D),
87 	MK_64(0x99FBC70E, 0x997413E9),
88 	MK_64(0x9E2CFCCF, 0xE1C41EF7)
89 };
90 
91 /* blkSize =  512 bits. hashSize =  256 bits */
92 const uint64_t SKEIN_512_IV_256[] = {
93 	MK_64(0xCCD044A1, 0x2FDB3E13),
94 	MK_64(0xE8359030, 0x1A79A9EB),
95 	MK_64(0x55AEA061, 0x4F816E6F),
96 	MK_64(0x2A2767A4, 0xAE9B94DB),
97 	MK_64(0xEC06025E, 0x74DD7683),
98 	MK_64(0xE7A436CD, 0xC4746251),
99 	MK_64(0xC36FBAF9, 0x393AD185),
100 	MK_64(0x3EEDBA18, 0x33EDFC13)
101 };
102 
103 /* blkSize =  512 bits. hashSize =  384 bits */
104 const uint64_t SKEIN_512_IV_384[] = {
105 	MK_64(0xA3F6C6BF, 0x3A75EF5F),
106 	MK_64(0xB0FEF9CC, 0xFD84FAA4),
107 	MK_64(0x9D77DD66, 0x3D770CFE),
108 	MK_64(0xD798CBF3, 0xB468FDDA),
109 	MK_64(0x1BC4A666, 0x8A0E4465),
110 	MK_64(0x7ED7D434, 0xE5807407),
111 	MK_64(0x548FC1AC, 0xD4EC44D6),
112 	MK_64(0x266E1754, 0x6AA18FF8)
113 };
114 
115 /* blkSize =  512 bits. hashSize =  512 bits */
116 const uint64_t SKEIN_512_IV_512[] = {
117 	MK_64(0x4903ADFF, 0x749C51CE),
118 	MK_64(0x0D95DE39, 0x9746DF03),
119 	MK_64(0x8FD19341, 0x27C79BCE),
120 	MK_64(0x9A255629, 0xFF352CB1),
121 	MK_64(0x5DB62599, 0xDF6CA7B0),
122 	MK_64(0xEABE394C, 0xA9D5C3F4),
123 	MK_64(0x991112C7, 0x1A75B523),
124 	MK_64(0xAE18A40B, 0x660FCC33)
125 };
126 
127 /* blkSize = 1024 bits. hashSize =  384 bits */
128 const uint64_t SKEIN1024_IV_384[] = {
129 	MK_64(0x5102B6B8, 0xC1894A35),
130 	MK_64(0xFEEBC9E3, 0xFE8AF11A),
131 	MK_64(0x0C807F06, 0xE32BED71),
132 	MK_64(0x60C13A52, 0xB41A91F6),
133 	MK_64(0x9716D35D, 0xD4917C38),
134 	MK_64(0xE780DF12, 0x6FD31D3A),
135 	MK_64(0x797846B6, 0xC898303A),
136 	MK_64(0xB172C2A8, 0xB3572A3B),
137 	MK_64(0xC9BC8203, 0xA6104A6C),
138 	MK_64(0x65909338, 0xD75624F4),
139 	MK_64(0x94BCC568, 0x4B3F81A0),
140 	MK_64(0x3EBBF51E, 0x10ECFD46),
141 	MK_64(0x2DF50F0B, 0xEEB08542),
142 	MK_64(0x3B5A6530, 0x0DBC6516),
143 	MK_64(0x484B9CD2, 0x167BBCE1),
144 	MK_64(0x2D136947, 0xD4CBAFEA)
145 };
146 
147 /* blkSize = 1024 bits. hashSize =  512 bits */
148 const uint64_t SKEIN1024_IV_512[] = {
149 	MK_64(0xCAEC0E5D, 0x7C1B1B18),
150 	MK_64(0xA01B0E04, 0x5F03E802),
151 	MK_64(0x33840451, 0xED912885),
152 	MK_64(0x374AFB04, 0xEAEC2E1C),
153 	MK_64(0xDF25A0E2, 0x813581F7),
154 	MK_64(0xE4004093, 0x8B12F9D2),
155 	MK_64(0xA662D539, 0xC2ED39B6),
156 	MK_64(0xFA8B85CF, 0x45D8C75A),
157 	MK_64(0x8316ED8E, 0x29EDE796),
158 	MK_64(0x053289C0, 0x2E9F91B8),
159 	MK_64(0xC3F8EF1D, 0x6D518B73),
160 	MK_64(0xBDCEC3C4, 0xD5EF332E),
161 	MK_64(0x549A7E52, 0x22974487),
162 	MK_64(0x67070872, 0x5B749816),
163 	MK_64(0xB9CD28FB, 0xF0581BD1),
164 	MK_64(0x0E2940B8, 0x15804974)
165 };
166 
167 /* blkSize = 1024 bits. hashSize = 1024 bits */
168 const uint64_t SKEIN1024_IV_1024[] = {
169 	MK_64(0xD593DA07, 0x41E72355),
170 	MK_64(0x15B5E511, 0xAC73E00C),
171 	MK_64(0x5180E5AE, 0xBAF2C4F0),
172 	MK_64(0x03BD41D3, 0xFCBCAFAF),
173 	MK_64(0x1CAEC6FD, 0x1983A898),
174 	MK_64(0x6E510B8B, 0xCDD0589F),
175 	MK_64(0x77E2BDFD, 0xC6394ADA),
176 	MK_64(0xC11E1DB5, 0x24DCB0A3),
177 	MK_64(0xD6D14AF9, 0xC6329AB5),
178 	MK_64(0x6A9B0BFC, 0x6EB67E0D),
179 	MK_64(0x9243C60D, 0xCCFF1332),
180 	MK_64(0x1A1F1DDE, 0x743F02D4),
181 	MK_64(0x0996753C, 0x10ED0BB8),
182 	MK_64(0x6572DD22, 0xF2B4969A),
183 	MK_64(0x61FD3062, 0xD00A579A),
184 	MK_64(0x1DE0536E, 0x8682E539)
185 };
186