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openGauss-server/contrib/pgcrypto/blf.cpp

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/*
* Butchered version of sshblowf.c from putty-0.59.
*
* contrib/pgcrypto/blf.c
*/
/*
* PuTTY is copyright 1997-2007 Simon Tatham.
*
* Portions copyright Robert de Bath, Joris van Rantwijk, Delian
* Delchev, Andreas Schultz, Jeroen Massar, Wez Furlong, Nicolas Barry,
* Justin Bradford, Ben Harris, Malcolm Smith, Ahmad Khalifa, Markus
* Kuhn, and CORE SDI S.A.
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation files
* (the "Software"), to deal in the Software without restriction,
* including without limitation the rights to use, copy, modify, merge,
* publish, distribute, sublicense, and/or sell copies of the Software,
* and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE
* FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
/*
* Blowfish implementation for PuTTY.
*
* Coded from scratch from the algorithm description.
*/
#include "postgres.h"
#include "knl/knl_variable.h"
#include "blf.h"
#define GET_32BIT_MSB_FIRST(p) (((p)[0] << 24) | ((p)[1] << 16) | ((p)[2] << 8) | ((p)[3]))
#define PUT_32BIT_MSB_FIRST(p, v) \
do { \
(p)[0] = v >> 24; \
(p)[1] = v >> 16; \
(p)[2] = v >> 8; \
(p)[3] = v; \
} while (0)
/*
* The Blowfish init data: hex digits of the fractional part of pi.
* (ie pi as a hex fraction is 3.243F6A8885A308D3...)
*/
static const uint32 parray[] = {
0x243F6A88,
0x85A308D3,
0x13198A2E,
0x03707344,
0xA4093822,
0x299F31D0,
0x082EFA98,
0xEC4E6C89,
0x452821E6,
0x38D01377,
0xBE5466CF,
0x34E90C6C,
0xC0AC29B7,
0xC97C50DD,
0x3F84D5B5,
0xB5470917,
0x9216D5D9,
0x8979FB1B,
};
static const uint32 sbox0[] = {
0xD1310BA6,
0x98DFB5AC,
0x2FFD72DB,
0xD01ADFB7,
0xB8E1AFED,
0x6A267E96,
0xBA7C9045,
0xF12C7F99,
0x24A19947,
0xB3916CF7,
0x0801F2E2,
0x858EFC16,
0x636920D8,
0x71574E69,
0xA458FEA3,
0xF4933D7E,
0x0D95748F,
0x728EB658,
0x718BCD58,
0x82154AEE,
0x7B54A41D,
0xC25A59B5,
0x9C30D539,
0x2AF26013,
0xC5D1B023,
0x286085F0,
0xCA417918,
0xB8DB38EF,
0x8E79DCB0,
0x603A180E,
0x6C9E0E8B,
0xB01E8A3E,
0xD71577C1,
0xBD314B27,
0x78AF2FDA,
0x55605C60,
0xE65525F3,
0xAA55AB94,
0x57489862,
0x63E81440,
0x55CA396A,
0x2AAB10B6,
0xB4CC5C34,
0x1141E8CE,
0xA15486AF,
0x7C72E993,
0xB3EE1411,
0x636FBC2A,
0x2BA9C55D,
0x741831F6,
0xCE5C3E16,
0x9B87931E,
0xAFD6BA33,
0x6C24CF5C,
0x7A325381,
0x28958677,
0x3B8F4898,
0x6B4BB9AF,
0xC4BFE81B,
0x66282193,
0x61D809CC,
0xFB21A991,
0x487CAC60,
0x5DEC8032,
0xEF845D5D,
0xE98575B1,
0xDC262302,
0xEB651B88,
0x23893E81,
0xD396ACC5,
0x0F6D6FF3,
0x83F44239,
0x2E0B4482,
0xA4842004,
0x69C8F04A,
0x9E1F9B5E,
0x21C66842,
0xF6E96C9A,
0x670C9C61,
0xABD388F0,
0x6A51A0D2,
0xD8542F68,
0x960FA728,
0xAB5133A3,
0x6EEF0B6C,
0x137A3BE4,
0xBA3BF050,
0x7EFB2A98,
0xA1F1651D,
0x39AF0176,
0x66CA593E,
0x82430E88,
0x8CEE8619,
0x456F9FB4,
0x7D84A5C3,
0x3B8B5EBE,
0xE06F75D8,
0x85C12073,
0x401A449F,
0x56C16AA6,
0x4ED3AA62,
0x363F7706,
0x1BFEDF72,
0x429B023D,
0x37D0D724,
0xD00A1248,
0xDB0FEAD3,
0x49F1C09B,
0x075372C9,
0x80991B7B,
0x25D479D8,
0xF6E8DEF7,
0xE3FE501A,
0xB6794C3B,
0x976CE0BD,
0x04C006BA,
0xC1A94FB6,
0x409F60C4,
0x5E5C9EC2,
0x196A2463,
0x68FB6FAF,
0x3E6C53B5,
0x1339B2EB,
0x3B52EC6F,
0x6DFC511F,
0x9B30952C,
0xCC814544,
0xAF5EBD09,
0xBEE3D004,
0xDE334AFD,
0x660F2807,
0x192E4BB3,
0xC0CBA857,
0x45C8740F,
0xD20B5F39,
0xB9D3FBDB,
0x5579C0BD,
0x1A60320A,
0xD6A100C6,
0x402C7279,
0x679F25FE,
0xFB1FA3CC,
0x8EA5E9F8,
0xDB3222F8,
0x3C7516DF,
0xFD616B15,
0x2F501EC8,
0xAD0552AB,
0x323DB5FA,
0xFD238760,
0x53317B48,
0x3E00DF82,
0x9E5C57BB,
0xCA6F8CA0,
0x1A87562E,
0xDF1769DB,
0xD542A8F6,
0x287EFFC3,
0xAC6732C6,
0x8C4F5573,
0x695B27B0,
0xBBCA58C8,
0xE1FFA35D,
0xB8F011A0,
0x10FA3D98,
0xFD2183B8,
0x4AFCB56C,
0x2DD1D35B,
0x9A53E479,
0xB6F84565,
0xD28E49BC,
0x4BFB9790,
0xE1DDF2DA,
0xA4CB7E33,
0x62FB1341,
0xCEE4C6E8,
0xEF20CADA,
0x36774C01,
0xD07E9EFE,
0x2BF11FB4,
0x95DBDA4D,
0xAE909198,
0xEAAD8E71,
0x6B93D5A0,
0xD08ED1D0,
0xAFC725E0,
0x8E3C5B2F,
0x8E7594B7,
0x8FF6E2FB,
0xF2122B64,
0x8888B812,
0x900DF01C,
0x4FAD5EA0,
0x688FC31C,
0xD1CFF191,
0xB3A8C1AD,
0x2F2F2218,
0xBE0E1777,
0xEA752DFE,
0x8B021FA1,
0xE5A0CC0F,
0xB56F74E8,
0x18ACF3D6,
0xCE89E299,
0xB4A84FE0,
0xFD13E0B7,
0x7CC43B81,
0xD2ADA8D9,
0x165FA266,
0x80957705,
0x93CC7314,
0x211A1477,
0xE6AD2065,
0x77B5FA86,
0xC75442F5,
0xFB9D35CF,
0xEBCDAF0C,
0x7B3E89A0,
0xD6411BD3,
0xAE1E7E49,
0x00250E2D,
0x2071B35E,
0x226800BB,
0x57B8E0AF,
0x2464369B,
0xF009B91E,
0x5563911D,
0x59DFA6AA,
0x78C14389,
0xD95A537F,
0x207D5BA2,
0x02E5B9C5,
0x83260376,
0x6295CFA9,
0x11C81968,
0x4E734A41,
0xB3472DCA,
0x7B14A94A,
0x1B510052,
0x9A532915,
0xD60F573F,
0xBC9BC6E4,
0x2B60A476,
0x81E67400,
0x08BA6FB5,
0x571BE91F,
0xF296EC6B,
0x2A0DD915,
0xB6636521,
0xE7B9F9B6,
0xFF34052E,
0xC5855664,
0x53B02D5D,
0xA99F8FA1,
0x08BA4799,
0x6E85076A,
};
static const uint32 sbox1[] = {
0x4B7A70E9,
0xB5B32944,
0xDB75092E,
0xC4192623,
0xAD6EA6B0,
0x49A7DF7D,
0x9CEE60B8,
0x8FEDB266,
0xECAA8C71,
0x699A17FF,
0x5664526C,
0xC2B19EE1,
0x193602A5,
0x75094C29,
0xA0591340,
0xE4183A3E,
0x3F54989A,
0x5B429D65,
0x6B8FE4D6,
0x99F73FD6,
0xA1D29C07,
0xEFE830F5,
0x4D2D38E6,
0xF0255DC1,
0x4CDD2086,
0x8470EB26,
0x6382E9C6,
0x021ECC5E,
0x09686B3F,
0x3EBAEFC9,
0x3C971814,
0x6B6A70A1,
0x687F3584,
0x52A0E286,
0xB79C5305,
0xAA500737,
0x3E07841C,
0x7FDEAE5C,
0x8E7D44EC,
0x5716F2B8,
0xB03ADA37,
0xF0500C0D,
0xF01C1F04,
0x0200B3FF,
0xAE0CF51A,
0x3CB574B2,
0x25837A58,
0xDC0921BD,
0xD19113F9,
0x7CA92FF6,
0x94324773,
0x22F54701,
0x3AE5E581,
0x37C2DADC,
0xC8B57634,
0x9AF3DDA7,
0xA9446146,
0x0FD0030E,
0xECC8C73E,
0xA4751E41,
0xE238CD99,
0x3BEA0E2F,
0x3280BBA1,
0x183EB331,
0x4E548B38,
0x4F6DB908,
0x6F420D03,
0xF60A04BF,
0x2CB81290,
0x24977C79,
0x5679B072,
0xBCAF89AF,
0xDE9A771F,
0xD9930810,
0xB38BAE12,
0xDCCF3F2E,
0x5512721F,
0x2E6B7124,
0x501ADDE6,
0x9F84CD87,
0x7A584718,
0x7408DA17,
0xBC9F9ABC,
0xE94B7D8C,
0xEC7AEC3A,
0xDB851DFA,
0x63094366,
0xC464C3D2,
0xEF1C1847,
0x3215D908,
0xDD433B37,
0x24C2BA16,
0x12A14D43,
0x2A65C451,
0x50940002,
0x133AE4DD,
0x71DFF89E,
0x10314E55,
0x81AC77D6,
0x5F11199B,
0x043556F1,
0xD7A3C76B,
0x3C11183B,
0x5924A509,
0xF28FE6ED,
0x97F1FBFA,
0x9EBABF2C,
0x1E153C6E,
0x86E34570,
0xEAE96FB1,
0x860E5E0A,
0x5A3E2AB3,
0x771FE71C,
0x4E3D06FA,
0x2965DCB9,
0x99E71D0F,
0x803E89D6,
0x5266C825,
0x2E4CC978,
0x9C10B36A,
0xC6150EBA,
0x94E2EA78,
0xA5FC3C53,
0x1E0A2DF4,
0xF2F74EA7,
0x361D2B3D,
0x1939260F,
0x19C27960,
0x5223A708,
0xF71312B6,
0xEBADFE6E,
0xEAC31F66,
0xE3BC4595,
0xA67BC883,
0xB17F37D1,
0x018CFF28,
0xC332DDEF,
0xBE6C5AA5,
0x65582185,
0x68AB9802,
0xEECEA50F,
0xDB2F953B,
0x2AEF7DAD,
0x5B6E2F84,
0x1521B628,
0x29076170,
0xECDD4775,
0x619F1510,
0x13CCA830,
0xEB61BD96,
0x0334FE1E,
0xAA0363CF,
0xB5735C90,
0x4C70A239,
0xD59E9E0B,
0xCBAADE14,
0xEECC86BC,
0x60622CA7,
0x9CAB5CAB,
0xB2F3846E,
0x648B1EAF,
0x19BDF0CA,
0xA02369B9,
0x655ABB50,
0x40685A32,
0x3C2AB4B3,
0x319EE9D5,
0xC021B8F7,
0x9B540B19,
0x875FA099,
0x95F7997E,
0x623D7DA8,
0xF837889A,
0x97E32D77,
0x11ED935F,
0x16681281,
0x0E358829,
0xC7E61FD6,
0x96DEDFA1,
0x7858BA99,
0x57F584A5,
0x1B227263,
0x9B83C3FF,
0x1AC24696,
0xCDB30AEB,
0x532E3054,
0x8FD948E4,
0x6DBC3128,
0x58EBF2EF,
0x34C6FFEA,
0xFE28ED61,
0xEE7C3C73,
0x5D4A14D9,
0xE864B7E3,
0x42105D14,
0x203E13E0,
0x45EEE2B6,
0xA3AAABEA,
0xDB6C4F15,
0xFACB4FD0,
0xC742F442,
0xEF6ABBB5,
0x654F3B1D,
0x41CD2105,
0xD81E799E,
0x86854DC7,
0xE44B476A,
0x3D816250,
0xCF62A1F2,
0x5B8D2646,
0xFC8883A0,
0xC1C7B6A3,
0x7F1524C3,
0x69CB7492,
0x47848A0B,
0x5692B285,
0x095BBF00,
0xAD19489D,
0x1462B174,
0x23820E00,
0x58428D2A,
0x0C55F5EA,
0x1DADF43E,
0x233F7061,
0x3372F092,
0x8D937E41,
0xD65FECF1,
0x6C223BDB,
0x7CDE3759,
0xCBEE7460,
0x4085F2A7,
0xCE77326E,
0xA6078084,
0x19F8509E,
0xE8EFD855,
0x61D99735,
0xA969A7AA,
0xC50C06C2,
0x5A04ABFC,
0x800BCADC,
0x9E447A2E,
0xC3453484,
0xFDD56705,
0x0E1E9EC9,
0xDB73DBD3,
0x105588CD,
0x675FDA79,
0xE3674340,
0xC5C43465,
0x713E38D8,
0x3D28F89E,
0xF16DFF20,
0x153E21E7,
0x8FB03D4A,
0xE6E39F2B,
0xDB83ADF7,
};
static const uint32 sbox2[] = {
0xE93D5A68,
0x948140F7,
0xF64C261C,
0x94692934,
0x411520F7,
0x7602D4F7,
0xBCF46B2E,
0xD4A20068,
0xD4082471,
0x3320F46A,
0x43B7D4B7,
0x500061AF,
0x1E39F62E,
0x97244546,
0x14214F74,
0xBF8B8840,
0x4D95FC1D,
0x96B591AF,
0x70F4DDD3,
0x66A02F45,
0xBFBC09EC,
0x03BD9785,
0x7FAC6DD0,
0x31CB8504,
0x96EB27B3,
0x55FD3941,
0xDA2547E6,
0xABCA0A9A,
0x28507825,
0x530429F4,
0x0A2C86DA,
0xE9B66DFB,
0x68DC1462,
0xD7486900,
0x680EC0A4,
0x27A18DEE,
0x4F3FFEA2,
0xE887AD8C,
0xB58CE006,
0x7AF4D6B6,
0xAACE1E7C,
0xD3375FEC,
0xCE78A399,
0x406B2A42,
0x20FE9E35,
0xD9F385B9,
0xEE39D7AB,
0x3B124E8B,
0x1DC9FAF7,
0x4B6D1856,
0x26A36631,
0xEAE397B2,
0x3A6EFA74,
0xDD5B4332,
0x6841E7F7,
0xCA7820FB,
0xFB0AF54E,
0xD8FEB397,
0x454056AC,
0xBA489527,
0x55533A3A,
0x20838D87,
0xFE6BA9B7,
0xD096954B,
0x55A867BC,
0xA1159A58,
0xCCA92963,
0x99E1DB33,
0xA62A4A56,
0x3F3125F9,
0x5EF47E1C,
0x9029317C,
0xFDF8E802,
0x04272F70,
0x80BB155C,
0x05282CE3,
0x95C11548,
0xE4C66D22,
0x48C1133F,
0xC70F86DC,
0x07F9C9EE,
0x41041F0F,
0x404779A4,
0x5D886E17,
0x325F51EB,
0xD59BC0D1,
0xF2BCC18F,
0x41113564,
0x257B7834,
0x602A9C60,
0xDFF8E8A3,
0x1F636C1B,
0x0E12B4C2,
0x02E1329E,
0xAF664FD1,
0xCAD18115,
0x6B2395E0,
0x333E92E1,
0x3B240B62,
0xEEBEB922,
0x85B2A20E,
0xE6BA0D99,
0xDE720C8C,
0x2DA2F728,
0xD0127845,
0x95B794FD,
0x647D0862,
0xE7CCF5F0,
0x5449A36F,
0x877D48FA,
0xC39DFD27,
0xF33E8D1E,
0x0A476341,
0x992EFF74,
0x3A6F6EAB,
0xF4F8FD37,
0xA812DC60,
0xA1EBDDF8,
0x991BE14C,
0xDB6E6B0D,
0xC67B5510,
0x6D672C37,
0x2765D43B,
0xDCD0E804,
0xF1290DC7,
0xCC00FFA3,
0xB5390F92,
0x690FED0B,
0x667B9FFB,
0xCEDB7D9C,
0xA091CF0B,
0xD9155EA3,
0xBB132F88,
0x515BAD24,
0x7B9479BF,
0x763BD6EB,
0x37392EB3,
0xCC115979,
0x8026E297,
0xF42E312D,
0x6842ADA7,
0xC66A2B3B,
0x12754CCC,
0x782EF11C,
0x6A124237,
0xB79251E7,
0x06A1BBE6,
0x4BFB6350,
0x1A6B1018,
0x11CAEDFA,
0x3D25BDD8,
0xE2E1C3C9,
0x44421659,
0x0A121386,
0xD90CEC6E,
0xD5ABEA2A,
0x64AF674E,
0xDA86A85F,
0xBEBFE988,
0x64E4C3FE,
0x9DBC8057,
0xF0F7C086,
0x60787BF8,
0x6003604D,
0xD1FD8346,
0xF6381FB0,
0x7745AE04,
0xD736FCCC,
0x83426B33,
0xF01EAB71,
0xB0804187,
0x3C005E5F,
0x77A057BE,
0xBDE8AE24,
0x55464299,
0xBF582E61,
0x4E58F48F,
0xF2DDFDA2,
0xF474EF38,
0x8789BDC2,
0x5366F9C3,
0xC8B38E74,
0xB475F255,
0x46FCD9B9,
0x7AEB2661,
0x8B1DDF84,
0x846A0E79,
0x915F95E2,
0x466E598E,
0x20B45770,
0x8CD55591,
0xC902DE4C,
0xB90BACE1,
0xBB8205D0,
0x11A86248,
0x7574A99E,
0xB77F19B6,
0xE0A9DC09,
0x662D09A1,
0xC4324633,
0xE85A1F02,
0x09F0BE8C,
0x4A99A025,
0x1D6EFE10,
0x1AB93D1D,
0x0BA5A4DF,
0xA186F20F,
0x2868F169,
0xDCB7DA83,
0x573906FE,
0xA1E2CE9B,
0x4FCD7F52,
0x50115E01,
0xA70683FA,
0xA002B5C4,
0x0DE6D027,
0x9AF88C27,
0x773F8641,
0xC3604C06,
0x61A806B5,
0xF0177A28,
0xC0F586E0,
0x006058AA,
0x30DC7D62,
0x11E69ED7,
0x2338EA63,
0x53C2DD94,
0xC2C21634,
0xBBCBEE56,
0x90BCB6DE,
0xEBFC7DA1,
0xCE591D76,
0x6F05E409,
0x4B7C0188,
0x39720A3D,
0x7C927C24,
0x86E3725F,
0x724D9DB9,
0x1AC15BB4,
0xD39EB8FC,
0xED545578,
0x08FCA5B5,
0xD83D7CD3,
0x4DAD0FC4,
0x1E50EF5E,
0xB161E6F8,
0xA28514D9,
0x6C51133C,
0x6FD5C7E7,
0x56E14EC4,
0x362ABFCE,
0xDDC6C837,
0xD79A3234,
0x92638212,
0x670EFA8E,
0x406000E0,
};
static const uint32 sbox3[] = {
0x3A39CE37,
0xD3FAF5CF,
0xABC27737,
0x5AC52D1B,
0x5CB0679E,
0x4FA33742,
0xD3822740,
0x99BC9BBE,
0xD5118E9D,
0xBF0F7315,
0xD62D1C7E,
0xC700C47B,
0xB78C1B6B,
0x21A19045,
0xB26EB1BE,
0x6A366EB4,
0x5748AB2F,
0xBC946E79,
0xC6A376D2,
0x6549C2C8,
0x530FF8EE,
0x468DDE7D,
0xD5730A1D,
0x4CD04DC6,
0x2939BBDB,
0xA9BA4650,
0xAC9526E8,
0xBE5EE304,
0xA1FAD5F0,
0x6A2D519A,
0x63EF8CE2,
0x9A86EE22,
0xC089C2B8,
0x43242EF6,
0xA51E03AA,
0x9CF2D0A4,
0x83C061BA,
0x9BE96A4D,
0x8FE51550,
0xBA645BD6,
0x2826A2F9,
0xA73A3AE1,
0x4BA99586,
0xEF5562E9,
0xC72FEFD3,
0xF752F7DA,
0x3F046F69,
0x77FA0A59,
0x80E4A915,
0x87B08601,
0x9B09E6AD,
0x3B3EE593,
0xE990FD5A,
0x9E34D797,
0x2CF0B7D9,
0x022B8B51,
0x96D5AC3A,
0x017DA67D,
0xD1CF3ED6,
0x7C7D2D28,
0x1F9F25CF,
0xADF2B89B,
0x5AD6B472,
0x5A88F54C,
0xE029AC71,
0xE019A5E6,
0x47B0ACFD,
0xED93FA9B,
0xE8D3C48D,
0x283B57CC,
0xF8D56629,
0x79132E28,
0x785F0191,
0xED756055,
0xF7960E44,
0xE3D35E8C,
0x15056DD4,
0x88F46DBA,
0x03A16125,
0x0564F0BD,
0xC3EB9E15,
0x3C9057A2,
0x97271AEC,
0xA93A072A,
0x1B3F6D9B,
0x1E6321F5,
0xF59C66FB,
0x26DCF319,
0x7533D928,
0xB155FDF5,
0x03563482,
0x8ABA3CBB,
0x28517711,
0xC20AD9F8,
0xABCC5167,
0xCCAD925F,
0x4DE81751,
0x3830DC8E,
0x379D5862,
0x9320F991,
0xEA7A90C2,
0xFB3E7BCE,
0x5121CE64,
0x774FBE32,
0xA8B6E37E,
0xC3293D46,
0x48DE5369,
0x6413E680,
0xA2AE0810,
0xDD6DB224,
0x69852DFD,
0x09072166,
0xB39A460A,
0x6445C0DD,
0x586CDECF,
0x1C20C8AE,
0x5BBEF7DD,
0x1B588D40,
0xCCD2017F,
0x6BB4E3BB,
0xDDA26A7E,
0x3A59FF45,
0x3E350A44,
0xBCB4CDD5,
0x72EACEA8,
0xFA6484BB,
0x8D6612AE,
0xBF3C6F47,
0xD29BE463,
0x542F5D9E,
0xAEC2771B,
0xF64E6370,
0x740E0D8D,
0xE75B1357,
0xF8721671,
0xAF537D5D,
0x4040CB08,
0x4EB4E2CC,
0x34D2466A,
0x0115AF84,
0xE1B00428,
0x95983A1D,
0x06B89FB4,
0xCE6EA048,
0x6F3F3B82,
0x3520AB82,
0x011A1D4B,
0x277227F8,
0x611560B1,
0xE7933FDC,
0xBB3A792B,
0x344525BD,
0xA08839E1,
0x51CE794B,
0x2F32C9B7,
0xA01FBAC9,
0xE01CC87E,
0xBCC7D1F6,
0xCF0111C3,
0xA1E8AAC7,
0x1A908749,
0xD44FBD9A,
0xD0DADECB,
0xD50ADA38,
0x0339C32A,
0xC6913667,
0x8DF9317C,
0xE0B12B4F,
0xF79E59B7,
0x43F5BB3A,
0xF2D519FF,
0x27D9459C,
0xBF97222C,
0x15E6FC2A,
0x0F91FC71,
0x9B941525,
0xFAE59361,
0xCEB69CEB,
0xC2A86459,
0x12BAA8D1,
0xB6C1075E,
0xE3056A0C,
0x10D25065,
0xCB03A442,
0xE0EC6E0E,
0x1698DB3B,
0x4C98A0BE,
0x3278E964,
0x9F1F9532,
0xE0D392DF,
0xD3A0342B,
0x8971F21E,
0x1B0A7441,
0x4BA3348C,
0xC5BE7120,
0xC37632D8,
0xDF359F8D,
0x9B992F2E,
0xE60B6F47,
0x0FE3F11D,
0xE54CDA54,
0x1EDAD891,
0xCE6279CF,
0xCD3E7E6F,
0x1618B166,
0xFD2C1D05,
0x848FD2C5,
0xF6FB2299,
0xF523F357,
0xA6327623,
0x93A83531,
0x56CCCD02,
0xACF08162,
0x5A75EBB5,
0x6E163697,
0x88D273CC,
0xDE966292,
0x81B949D0,
0x4C50901B,
0x71C65614,
0xE6C6C7BD,
0x327A140A,
0x45E1D006,
0xC3F27B9A,
0xC9AA53FD,
0x62A80F00,
0xBB25BFE2,
0x35BDD2F6,
0x71126905,
0xB2040222,
0xB6CBCF7C,
0xCD769C2B,
0x53113EC0,
0x1640E3D3,
0x38ABBD60,
0x2547ADF0,
0xBA38209C,
0xF746CE76,
0x77AFA1C5,
0x20756060,
0x85CBFE4E,
0x8AE88DD8,
0x7AAAF9B0,
0x4CF9AA7E,
0x1948C25C,
0x02FB8A8C,
0x01C36AE4,
0xD6EBE1F9,
0x90D4F869,
0xA65CDEA0,
0x3F09252D,
0xC208E69F,
0xB74E6132,
0xCE77E25B,
0x578FDFE3,
0x3AC372E6,
};
#define Fprime(a, b, c, d) (((S0[a] + S1[b]) ^ S2[c]) + S3[d])
#define F(x) Fprime(((x >> 24) & 0xFF), ((x >> 16) & 0xFF), ((x >> 8) & 0xFF), (x & 0xFF))
#define ROUND(n) (xL ^= P[n], t = xL, xL = F(xL) ^ xR, xR = t)
static void blowfish_encrypt(uint32 xL, uint32 xR, uint32* output, BlowfishContext* ctx)
{
uint32* S0 = ctx->S0;
uint32* S1 = ctx->S1;
uint32* S2 = ctx->S2;
uint32* S3 = ctx->S3;
uint32* P = ctx->P;
uint32 t;
ROUND(0);
ROUND(1);
ROUND(2);
ROUND(3);
ROUND(4);
ROUND(5);
ROUND(6);
ROUND(7);
ROUND(8);
ROUND(9);
ROUND(10);
ROUND(11);
ROUND(12);
ROUND(13);
ROUND(14);
ROUND(15);
xL ^= P[16];
xR ^= P[17];
output[0] = xR;
output[1] = xL;
}
static void blowfish_decrypt(uint32 xL, uint32 xR, uint32* output, BlowfishContext* ctx)
{
uint32* S0 = ctx->S0;
uint32* S1 = ctx->S1;
uint32* S2 = ctx->S2;
uint32* S3 = ctx->S3;
uint32* P = ctx->P;
uint32 t;
ROUND(17);
ROUND(16);
ROUND(15);
ROUND(14);
ROUND(13);
ROUND(12);
ROUND(11);
ROUND(10);
ROUND(9);
ROUND(8);
ROUND(7);
ROUND(6);
ROUND(5);
ROUND(4);
ROUND(3);
ROUND(2);
xL ^= P[1];
xR ^= P[0];
output[0] = xR;
output[1] = xL;
}
void blowfish_encrypt_cbc(uint8* blk, int len, BlowfishContext* ctx)
{
uint32 xL, xR, out[2], iv0, iv1;
Assert((len & 7) == 0);
iv0 = ctx->iv0;
iv1 = ctx->iv1;
while (len > 0) {
xL = GET_32BIT_MSB_FIRST(blk);
xR = GET_32BIT_MSB_FIRST(blk + 4);
iv0 ^= xL;
iv1 ^= xR;
blowfish_encrypt(iv0, iv1, out, ctx);
iv0 = out[0];
iv1 = out[1];
PUT_32BIT_MSB_FIRST(blk, iv0);
PUT_32BIT_MSB_FIRST(blk + 4, iv1);
blk += 8;
len -= 8;
}
ctx->iv0 = iv0;
ctx->iv1 = iv1;
}
void blowfish_decrypt_cbc(uint8* blk, int len, BlowfishContext* ctx)
{
uint32 xL, xR, out[2], iv0, iv1;
Assert((len & 7) == 0);
iv0 = ctx->iv0;
iv1 = ctx->iv1;
while (len > 0) {
xL = GET_32BIT_MSB_FIRST(blk);
xR = GET_32BIT_MSB_FIRST(blk + 4);
blowfish_decrypt(xL, xR, out, ctx);
iv0 ^= out[0];
iv1 ^= out[1];
PUT_32BIT_MSB_FIRST(blk, iv0);
PUT_32BIT_MSB_FIRST(blk + 4, iv1);
iv0 = xL;
iv1 = xR;
blk += 8;
len -= 8;
}
ctx->iv0 = iv0;
ctx->iv1 = iv1;
}
void blowfish_encrypt_ecb(uint8* blk, int len, BlowfishContext* ctx)
{
uint32 xL, xR, out[2];
Assert((len & 7) == 0);
while (len > 0) {
xL = GET_32BIT_MSB_FIRST(blk);
xR = GET_32BIT_MSB_FIRST(blk + 4);
blowfish_encrypt(xL, xR, out, ctx);
PUT_32BIT_MSB_FIRST(blk, out[0]);
PUT_32BIT_MSB_FIRST(blk + 4, out[1]);
blk += 8;
len -= 8;
}
}
void blowfish_decrypt_ecb(uint8* blk, int len, BlowfishContext* ctx)
{
uint32 xL, xR, out[2];
Assert((len & 7) == 0);
while (len > 0) {
xL = GET_32BIT_MSB_FIRST(blk);
xR = GET_32BIT_MSB_FIRST(blk + 4);
blowfish_decrypt(xL, xR, out, ctx);
PUT_32BIT_MSB_FIRST(blk, out[0]);
PUT_32BIT_MSB_FIRST(blk + 4, out[1]);
blk += 8;
len -= 8;
}
}
void blowfish_setkey(BlowfishContext* ctx, const uint8* key, short keybytes)
{
uint32* S0 = ctx->S0;
uint32* S1 = ctx->S1;
uint32* S2 = ctx->S2;
uint32* S3 = ctx->S3;
uint32* P = ctx->P;
uint32 str[2];
int i;
Assert(keybytes > 0 && keybytes <= (448 / 8));
for (i = 0; i < 18; i++) {
P[i] = parray[i];
P[i] ^= ((uint32)key[(i * 4 + 0) % keybytes]) << 24;
P[i] ^= ((uint32)key[(i * 4 + 1) % keybytes]) << 16;
P[i] ^= ((uint32)key[(i * 4 + 2) % keybytes]) << 8;
P[i] ^= ((uint32)key[(i * 4 + 3) % keybytes]);
}
for (i = 0; i < 256; i++) {
S0[i] = sbox0[i];
S1[i] = sbox1[i];
S2[i] = sbox2[i];
S3[i] = sbox3[i];
}
str[0] = str[1] = 0;
for (i = 0; i < 18; i += 2) {
blowfish_encrypt(str[0], str[1], str, ctx);
P[i] = str[0];
P[i + 1] = str[1];
}
for (i = 0; i < 256; i += 2) {
blowfish_encrypt(str[0], str[1], str, ctx);
S0[i] = str[0];
S0[i + 1] = str[1];
}
for (i = 0; i < 256; i += 2) {
blowfish_encrypt(str[0], str[1], str, ctx);
S1[i] = str[0];
S1[i + 1] = str[1];
}
for (i = 0; i < 256; i += 2) {
blowfish_encrypt(str[0], str[1], str, ctx);
S2[i] = str[0];
S2[i + 1] = str[1];
}
for (i = 0; i < 256; i += 2) {
blowfish_encrypt(str[0], str[1], str, ctx);
S3[i] = str[0];
S3[i + 1] = str[1];
}
}
void blowfish_setiv(BlowfishContext* ctx, const uint8* iv)
{
ctx->iv0 = GET_32BIT_MSB_FIRST(iv);
ctx->iv1 = GET_32BIT_MSB_FIRST(iv + 4);
}
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