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 #ifndef _SKEIN_IV_H_
  19 #define _SKEIN_IV_H_
  20 
  21 #include <sys/skein.h>            /* get Skein macros and types */
  22 
  23 #define MK_64 SKEIN_MK_64
  24 
  25 /* blkSize =  256 bits. hashSize =  128 bits */
  26 const uint64_t SKEIN_256_IV_128[] = {
  27         MK_64(0xE1111906, 0x964D7260),
  28         MK_64(0x883DAAA7, 0x7C8D811C),
  29         MK_64(0x10080DF4, 0x91960F7A),
  30         MK_64(0xCCF7DDE5, 0xB45BC1C2)
  31 };
  32 
  33 /* blkSize =  256 bits. hashSize =  160 bits */
  34 const uint64_t SKEIN_256_IV_160[] = {
  35         MK_64(0x14202314, 0x72825E98),
  36         MK_64(0x2AC4E9A2, 0x5A77E590),
  37         MK_64(0xD47A5856, 0x8838D63E),
  38         MK_64(0x2DD2E496, 0x8586AB7D)
  39 };
  40 
  41 /* blkSize =  256 bits. hashSize =  224 bits */
  42 const uint64_t SKEIN_256_IV_224[] = {
  43         MK_64(0xC6098A8C, 0x9AE5EA0B),
  44         MK_64(0x876D5686, 0x08C5191C),
  45         MK_64(0x99CB88D7, 0xD7F53884),
  46         MK_64(0x384BDDB1, 0xAEDDB5DE)
  47 };
  48 
  49 /* blkSize =  256 bits. hashSize =  256 bits */
  50 const uint64_t SKEIN_256_IV_256[] = {
  51         MK_64(0xFC9DA860, 0xD048B449),
  52         MK_64(0x2FCA6647, 0x9FA7D833),
  53         MK_64(0xB33BC389, 0x6656840F),
  54         MK_64(0x6A54E920, 0xFDE8DA69)
  55 };
  56 
  57 /* blkSize =  512 bits. hashSize =  128 bits */
  58 const uint64_t SKEIN_512_IV_128[] = {
  59         MK_64(0xA8BC7BF3, 0x6FBF9F52),
  60         MK_64(0x1E9872CE, 0xBD1AF0AA),
  61         MK_64(0x309B1790, 0xB32190D3),
  62         MK_64(0xBCFBB854, 0x3F94805C),
  63         MK_64(0x0DA61BCD, 0x6E31B11B),
  64         MK_64(0x1A18EBEA, 0xD46A32E3),
  65         MK_64(0xA2CC5B18, 0xCE84AA82),
  66         MK_64(0x6982AB28, 0x9D46982D)
  67 };
  68 
  69 /* blkSize =  512 bits. hashSize =  160 bits */
  70 const uint64_t SKEIN_512_IV_160[] = {
  71         MK_64(0x28B81A2A, 0xE013BD91),
  72         MK_64(0xC2F11668, 0xB5BDF78F),
  73         MK_64(0x1760D8F3, 0xF6A56F12),
  74         MK_64(0x4FB74758, 0x8239904F),
  75         MK_64(0x21EDE07F, 0x7EAF5056),
  76         MK_64(0xD908922E, 0x63ED70B8),
  77         MK_64(0xB8EC76FF, 0xECCB52FA),
  78         MK_64(0x01A47BB8, 0xA3F27A6E)
  79 };
  80 
  81 /* blkSize =  512 bits. hashSize =  224 bits */
  82 const uint64_t SKEIN_512_IV_224[] = {
  83         MK_64(0xCCD06162, 0x48677224),
  84         MK_64(0xCBA65CF3, 0xA92339EF),
  85         MK_64(0x8CCD69D6, 0x52FF4B64),
  86         MK_64(0x398AED7B, 0x3AB890B4),
  87         MK_64(0x0F59D1B1, 0x457D2BD0),
  88         MK_64(0x6776FE65, 0x75D4EB3D),
  89         MK_64(0x99FBC70E, 0x997413E9),
  90         MK_64(0x9E2CFCCF, 0xE1C41EF7)
  91 };
  92 
  93 /* blkSize =  512 bits. hashSize =  256 bits */
  94 const uint64_t SKEIN_512_IV_256[] = {
  95         MK_64(0xCCD044A1, 0x2FDB3E13),
  96         MK_64(0xE8359030, 0x1A79A9EB),
  97         MK_64(0x55AEA061, 0x4F816E6F),
  98         MK_64(0x2A2767A4, 0xAE9B94DB),
  99         MK_64(0xEC06025E, 0x74DD7683),
 100         MK_64(0xE7A436CD, 0xC4746251),
 101         MK_64(0xC36FBAF9, 0x393AD185),
 102         MK_64(0x3EEDBA18, 0x33EDFC13)
 103 };
 104 
 105 /* blkSize =  512 bits. hashSize =  384 bits */
 106 const uint64_t SKEIN_512_IV_384[] = {
 107         MK_64(0xA3F6C6BF, 0x3A75EF5F),
 108         MK_64(0xB0FEF9CC, 0xFD84FAA4),
 109         MK_64(0x9D77DD66, 0x3D770CFE),
 110         MK_64(0xD798CBF3, 0xB468FDDA),
 111         MK_64(0x1BC4A666, 0x8A0E4465),
 112         MK_64(0x7ED7D434, 0xE5807407),
 113         MK_64(0x548FC1AC, 0xD4EC44D6),
 114         MK_64(0x266E1754, 0x6AA18FF8)
 115 };
 116 
 117 /* blkSize =  512 bits. hashSize =  512 bits */
 118 const uint64_t SKEIN_512_IV_512[] = {
 119         MK_64(0x4903ADFF, 0x749C51CE),
 120         MK_64(0x0D95DE39, 0x9746DF03),
 121         MK_64(0x8FD19341, 0x27C79BCE),
 122         MK_64(0x9A255629, 0xFF352CB1),
 123         MK_64(0x5DB62599, 0xDF6CA7B0),
 124         MK_64(0xEABE394C, 0xA9D5C3F4),
 125         MK_64(0x991112C7, 0x1A75B523),
 126         MK_64(0xAE18A40B, 0x660FCC33)
 127 };
 128 
 129 /* blkSize = 1024 bits. hashSize =  384 bits */
 130 const uint64_t SKEIN1024_IV_384[] = {
 131         MK_64(0x5102B6B8, 0xC1894A35),
 132         MK_64(0xFEEBC9E3, 0xFE8AF11A),
 133         MK_64(0x0C807F06, 0xE32BED71),
 134         MK_64(0x60C13A52, 0xB41A91F6),
 135         MK_64(0x9716D35D, 0xD4917C38),
 136         MK_64(0xE780DF12, 0x6FD31D3A),
 137         MK_64(0x797846B6, 0xC898303A),
 138         MK_64(0xB172C2A8, 0xB3572A3B),
 139         MK_64(0xC9BC8203, 0xA6104A6C),
 140         MK_64(0x65909338, 0xD75624F4),
 141         MK_64(0x94BCC568, 0x4B3F81A0),
 142         MK_64(0x3EBBF51E, 0x10ECFD46),
 143         MK_64(0x2DF50F0B, 0xEEB08542),
 144         MK_64(0x3B5A6530, 0x0DBC6516),
 145         MK_64(0x484B9CD2, 0x167BBCE1),
 146         MK_64(0x2D136947, 0xD4CBAFEA)
 147 };
 148 
 149 /* blkSize = 1024 bits. hashSize =  512 bits */
 150 const uint64_t SKEIN1024_IV_512[] = {
 151         MK_64(0xCAEC0E5D, 0x7C1B1B18),
 152         MK_64(0xA01B0E04, 0x5F03E802),
 153         MK_64(0x33840451, 0xED912885),
 154         MK_64(0x374AFB04, 0xEAEC2E1C),
 155         MK_64(0xDF25A0E2, 0x813581F7),
 156         MK_64(0xE4004093, 0x8B12F9D2),
 157         MK_64(0xA662D539, 0xC2ED39B6),
 158         MK_64(0xFA8B85CF, 0x45D8C75A),
 159         MK_64(0x8316ED8E, 0x29EDE796),
 160         MK_64(0x053289C0, 0x2E9F91B8),
 161         MK_64(0xC3F8EF1D, 0x6D518B73),
 162         MK_64(0xBDCEC3C4, 0xD5EF332E),
 163         MK_64(0x549A7E52, 0x22974487),
 164         MK_64(0x67070872, 0x5B749816),
 165         MK_64(0xB9CD28FB, 0xF0581BD1),
 166         MK_64(0x0E2940B8, 0x15804974)
 167 };
 168 
 169 /* blkSize = 1024 bits. hashSize = 1024 bits */
 170 const uint64_t SKEIN1024_IV_1024[] = {
 171         MK_64(0xD593DA07, 0x41E72355),
 172         MK_64(0x15B5E511, 0xAC73E00C),
 173         MK_64(0x5180E5AE, 0xBAF2C4F0),
 174         MK_64(0x03BD41D3, 0xFCBCAFAF),
 175         MK_64(0x1CAEC6FD, 0x1983A898),
 176         MK_64(0x6E510B8B, 0xCDD0589F),
 177         MK_64(0x77E2BDFD, 0xC6394ADA),
 178         MK_64(0xC11E1DB5, 0x24DCB0A3),
 179         MK_64(0xD6D14AF9, 0xC6329AB5),
 180         MK_64(0x6A9B0BFC, 0x6EB67E0D),
 181         MK_64(0x9243C60D, 0xCCFF1332),
 182         MK_64(0x1A1F1DDE, 0x743F02D4),
 183         MK_64(0x0996753C, 0x10ED0BB8),
 184         MK_64(0x6572DD22, 0xF2B4969A),
 185         MK_64(0x61FD3062, 0xD00A579A),
 186         MK_64(0x1DE0536E, 0x8682E539)
 187 };
 188 
 189 #endif  /* _SKEIN_IV_H_ */