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