skein_iv.c

// SPDX-License-Identifier: LicenseRef-OpenZFS-ThirdParty-PublicDomain
/*
 * Pre-computed Skein IVs
 *
 * NOTE: these values are not "magic" constants, but
 * are generated using the Threefish block function.
 * They are pre-computed here only for speed; i.e., to
 * avoid the need for a Threefish call during Init().
 *
 * The IV for any fixed hash length may be pre-computed.
 * Only the most common values are included here.
 */
/* Copyright 2013 Doug Whiting. This code is released to the public domain. */
/*
 * Illumos implementation note: these constants are for Skein v1.3 as per:
 * http://www.skein-hash.info/sites/default/files/skein1.3.pdf
 */

#include <sys/skein.h>		/* get Skein macros and types */
#include "skein_impl.h"		/* get internal definitions */

#define	MK_64 SKEIN_MK_64

/* blkSize =  256 bits. hashSize =  128 bits */
const uint64_t SKEIN_256_IV_128[] = {
	MK_64(0xE1111906, 0x964D7260),
	MK_64(0x883DAAA7, 0x7C8D811C),
	MK_64(0x10080DF4, 0x91960F7A),
	MK_64(0xCCF7DDE5, 0xB45BC1C2)
};

/* blkSize =  256 bits. hashSize =  160 bits */
const uint64_t SKEIN_256_IV_160[] = {
	MK_64(0x14202314, 0x72825E98),
	MK_64(0x2AC4E9A2, 0x5A77E590),
	MK_64(0xD47A5856, 0x8838D63E),
	MK_64(0x2DD2E496, 0x8586AB7D)
};

/* blkSize =  256 bits. hashSize =  224 bits */
const uint64_t SKEIN_256_IV_224[] = {
	MK_64(0xC6098A8C, 0x9AE5EA0B),
	MK_64(0x876D5686, 0x08C5191C),
	MK_64(0x99CB88D7, 0xD7F53884),
	MK_64(0x384BDDB1, 0xAEDDB5DE)
};

/* blkSize =  256 bits. hashSize =  256 bits */
const uint64_t SKEIN_256_IV_256[] = {
	MK_64(0xFC9DA860, 0xD048B449),
	MK_64(0x2FCA6647, 0x9FA7D833),
	MK_64(0xB33BC389, 0x6656840F),
	MK_64(0x6A54E920, 0xFDE8DA69)
};

/* blkSize =  512 bits. hashSize =  224 bits */
const uint64_t SKEIN_512_IV_224[] = {
	MK_64(0xCCD06162, 0x48677224),
	MK_64(0xCBA65CF3, 0xA92339EF),
	MK_64(0x8CCD69D6, 0x52FF4B64),
	MK_64(0x398AED7B, 0x3AB890B4),
	MK_64(0x0F59D1B1, 0x457D2BD0),
	MK_64(0x6776FE65, 0x75D4EB3D),
	MK_64(0x99FBC70E, 0x997413E9),
	MK_64(0x9E2CFCCF, 0xE1C41EF7)
};

/* blkSize =  512 bits. hashSize =  256 bits */
const uint64_t SKEIN_512_IV_256[] = {
	MK_64(0xCCD044A1, 0x2FDB3E13),
	MK_64(0xE8359030, 0x1A79A9EB),
	MK_64(0x55AEA061, 0x4F816E6F),
	MK_64(0x2A2767A4, 0xAE9B94DB),
	MK_64(0xEC06025E, 0x74DD7683),
	MK_64(0xE7A436CD, 0xC4746251),
	MK_64(0xC36FBAF9, 0x393AD185),
	MK_64(0x3EEDBA18, 0x33EDFC13)
};

/* blkSize =  512 bits. hashSize =  384 bits */
const uint64_t SKEIN_512_IV_384[] = {
	MK_64(0xA3F6C6BF, 0x3A75EF5F),
	MK_64(0xB0FEF9CC, 0xFD84FAA4),
	MK_64(0x9D77DD66, 0x3D770CFE),
	MK_64(0xD798CBF3, 0xB468FDDA),
	MK_64(0x1BC4A666, 0x8A0E4465),
	MK_64(0x7ED7D434, 0xE5807407),
	MK_64(0x548FC1AC, 0xD4EC44D6),
	MK_64(0x266E1754, 0x6AA18FF8)
};

/* blkSize =  512 bits. hashSize =  512 bits */
const uint64_t SKEIN_512_IV_512[] = {
	MK_64(0x4903ADFF, 0x749C51CE),
	MK_64(0x0D95DE39, 0x9746DF03),
	MK_64(0x8FD19341, 0x27C79BCE),
	MK_64(0x9A255629, 0xFF352CB1),
	MK_64(0x5DB62599, 0xDF6CA7B0),
	MK_64(0xEABE394C, 0xA9D5C3F4),
	MK_64(0x991112C7, 0x1A75B523),
	MK_64(0xAE18A40B, 0x660FCC33)
};

/* blkSize = 1024 bits. hashSize =  384 bits */
const uint64_t SKEIN1024_IV_384[] = {
	MK_64(0x5102B6B8, 0xC1894A35),
	MK_64(0xFEEBC9E3, 0xFE8AF11A),
	MK_64(0x0C807F06, 0xE32BED71),
	MK_64(0x60C13A52, 0xB41A91F6),
	MK_64(0x9716D35D, 0xD4917C38),
	MK_64(0xE780DF12, 0x6FD31D3A),
	MK_64(0x797846B6, 0xC898303A),
	MK_64(0xB172C2A8, 0xB3572A3B),
	MK_64(0xC9BC8203, 0xA6104A6C),
	MK_64(0x65909338, 0xD75624F4),
	MK_64(0x94BCC568, 0x4B3F81A0),
	MK_64(0x3EBBF51E, 0x10ECFD46),
	MK_64(0x2DF50F0B, 0xEEB08542),
	MK_64(0x3B5A6530, 0x0DBC6516),
	MK_64(0x484B9CD2, 0x167BBCE1),
	MK_64(0x2D136947, 0xD4CBAFEA)
};

/* blkSize = 1024 bits. hashSize =  512 bits */
const uint64_t SKEIN1024_IV_512[] = {
	MK_64(0xCAEC0E5D, 0x7C1B1B18),
	MK_64(0xA01B0E04, 0x5F03E802),
	MK_64(0x33840451, 0xED912885),
	MK_64(0x374AFB04, 0xEAEC2E1C),
	MK_64(0xDF25A0E2, 0x813581F7),
	MK_64(0xE4004093, 0x8B12F9D2),
	MK_64(0xA662D539, 0xC2ED39B6),
	MK_64(0xFA8B85CF, 0x45D8C75A),
	MK_64(0x8316ED8E, 0x29EDE796),
	MK_64(0x053289C0, 0x2E9F91B8),
	MK_64(0xC3F8EF1D, 0x6D518B73),
	MK_64(0xBDCEC3C4, 0xD5EF332E),
	MK_64(0x549A7E52, 0x22974487),
	MK_64(0x67070872, 0x5B749816),
	MK_64(0xB9CD28FB, 0xF0581BD1),
	MK_64(0x0E2940B8, 0x15804974)
};

/* blkSize = 1024 bits. hashSize = 1024 bits */
const uint64_t SKEIN1024_IV_1024[] = {
	MK_64(0xD593DA07, 0x41E72355),
	MK_64(0x15B5E511, 0xAC73E00C),
	MK_64(0x5180E5AE, 0xBAF2C4F0),
	MK_64(0x03BD41D3, 0xFCBCAFAF),
	MK_64(0x1CAEC6FD, 0x1983A898),
	MK_64(0x6E510B8B, 0xCDD0589F),
	MK_64(0x77E2BDFD, 0xC6394ADA),
	MK_64(0xC11E1DB5, 0x24DCB0A3),
	MK_64(0xD6D14AF9, 0xC6329AB5),
	MK_64(0x6A9B0BFC, 0x6EB67E0D),
	MK_64(0x9243C60D, 0xCCFF1332),
	MK_64(0x1A1F1DDE, 0x743F02D4),
	MK_64(0x0996753C, 0x10ED0BB8),
	MK_64(0x6572DD22, 0xF2B4969A),
	MK_64(0x61FD3062, 0xD00A579A),
	MK_64(0x1DE0536E, 0x8682E539)
};