Botan 3.9.0
Crypto and TLS for C&
blowfish.cpp
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1/*
2* Blowfish
3* (C) 1999-2011,2018 Jack Lloyd
4*
5* Botan is released under the Simplified BSD License (see license.txt)
6*/
7
8#include <botan/internal/blowfish.h>
9
10#include <botan/internal/loadstor.h>
11
12namespace Botan {
13
14namespace {
15
16// clang-format off
17
18const uint32_t P_INIT[18] = {
19 0x243F6A88, 0x85A308D3, 0x13198A2E, 0x03707344, 0xA4093822, 0x299F31D0, 0x082EFA98, 0xEC4E6C89, 0x452821E6,
20 0x38D01377, 0xBE5466CF, 0x34E90C6C, 0xC0AC29B7, 0xC97C50DD, 0x3F84D5B5, 0xB5470917, 0x9216D5D9, 0x8979FB1B
21};
22
23const uint32_t S_INIT[1024] = {
24 0xD1310BA6, 0x98DFB5AC, 0x2FFD72DB, 0xD01ADFB7, 0xB8E1AFED, 0x6A267E96, 0xBA7C9045, 0xF12C7F99, 0x24A19947,
25 0xB3916CF7, 0x0801F2E2, 0x858EFC16, 0x636920D8, 0x71574E69, 0xA458FEA3, 0xF4933D7E, 0x0D95748F, 0x728EB658,
26 0x718BCD58, 0x82154AEE, 0x7B54A41D, 0xC25A59B5, 0x9C30D539, 0x2AF26013, 0xC5D1B023, 0x286085F0, 0xCA417918,
27 0xB8DB38EF, 0x8E79DCB0, 0x603A180E, 0x6C9E0E8B, 0xB01E8A3E, 0xD71577C1, 0xBD314B27, 0x78AF2FDA, 0x55605C60,
28 0xE65525F3, 0xAA55AB94, 0x57489862, 0x63E81440, 0x55CA396A, 0x2AAB10B6, 0xB4CC5C34, 0x1141E8CE, 0xA15486AF,
29 0x7C72E993, 0xB3EE1411, 0x636FBC2A, 0x2BA9C55D, 0x741831F6, 0xCE5C3E16, 0x9B87931E, 0xAFD6BA33, 0x6C24CF5C,
30 0x7A325381, 0x28958677, 0x3B8F4898, 0x6B4BB9AF, 0xC4BFE81B, 0x66282193, 0x61D809CC, 0xFB21A991, 0x487CAC60,
31 0x5DEC8032, 0xEF845D5D, 0xE98575B1, 0xDC262302, 0xEB651B88, 0x23893E81, 0xD396ACC5, 0x0F6D6FF3, 0x83F44239,
32 0x2E0B4482, 0xA4842004, 0x69C8F04A, 0x9E1F9B5E, 0x21C66842, 0xF6E96C9A, 0x670C9C61, 0xABD388F0, 0x6A51A0D2,
33 0xD8542F68, 0x960FA728, 0xAB5133A3, 0x6EEF0B6C, 0x137A3BE4, 0xBA3BF050, 0x7EFB2A98, 0xA1F1651D, 0x39AF0176,
34 0x66CA593E, 0x82430E88, 0x8CEE8619, 0x456F9FB4, 0x7D84A5C3, 0x3B8B5EBE, 0xE06F75D8, 0x85C12073, 0x401A449F,
35 0x56C16AA6, 0x4ED3AA62, 0x363F7706, 0x1BFEDF72, 0x429B023D, 0x37D0D724, 0xD00A1248, 0xDB0FEAD3, 0x49F1C09B,
36 0x075372C9, 0x80991B7B, 0x25D479D8, 0xF6E8DEF7, 0xE3FE501A, 0xB6794C3B, 0x976CE0BD, 0x04C006BA, 0xC1A94FB6,
37 0x409F60C4, 0x5E5C9EC2, 0x196A2463, 0x68FB6FAF, 0x3E6C53B5, 0x1339B2EB, 0x3B52EC6F, 0x6DFC511F, 0x9B30952C,
38 0xCC814544, 0xAF5EBD09, 0xBEE3D004, 0xDE334AFD, 0x660F2807, 0x192E4BB3, 0xC0CBA857, 0x45C8740F, 0xD20B5F39,
39 0xB9D3FBDB, 0x5579C0BD, 0x1A60320A, 0xD6A100C6, 0x402C7279, 0x679F25FE, 0xFB1FA3CC, 0x8EA5E9F8, 0xDB3222F8,
40 0x3C7516DF, 0xFD616B15, 0x2F501EC8, 0xAD0552AB, 0x323DB5FA, 0xFD238760, 0x53317B48, 0x3E00DF82, 0x9E5C57BB,
41 0xCA6F8CA0, 0x1A87562E, 0xDF1769DB, 0xD542A8F6, 0x287EFFC3, 0xAC6732C6, 0x8C4F5573, 0x695B27B0, 0xBBCA58C8,
42 0xE1FFA35D, 0xB8F011A0, 0x10FA3D98, 0xFD2183B8, 0x4AFCB56C, 0x2DD1D35B, 0x9A53E479, 0xB6F84565, 0xD28E49BC,
43 0x4BFB9790, 0xE1DDF2DA, 0xA4CB7E33, 0x62FB1341, 0xCEE4C6E8, 0xEF20CADA, 0x36774C01, 0xD07E9EFE, 0x2BF11FB4,
44 0x95DBDA4D, 0xAE909198, 0xEAAD8E71, 0x6B93D5A0, 0xD08ED1D0, 0xAFC725E0, 0x8E3C5B2F, 0x8E7594B7, 0x8FF6E2FB,
45 0xF2122B64, 0x8888B812, 0x900DF01C, 0x4FAD5EA0, 0x688FC31C, 0xD1CFF191, 0xB3A8C1AD, 0x2F2F2218, 0xBE0E1777,
46 0xEA752DFE, 0x8B021FA1, 0xE5A0CC0F, 0xB56F74E8, 0x18ACF3D6, 0xCE89E299, 0xB4A84FE0, 0xFD13E0B7, 0x7CC43B81,
47 0xD2ADA8D9, 0x165FA266, 0x80957705, 0x93CC7314, 0x211A1477, 0xE6AD2065, 0x77B5FA86, 0xC75442F5, 0xFB9D35CF,
48 0xEBCDAF0C, 0x7B3E89A0, 0xD6411BD3, 0xAE1E7E49, 0x00250E2D, 0x2071B35E, 0x226800BB, 0x57B8E0AF, 0x2464369B,
49 0xF009B91E, 0x5563911D, 0x59DFA6AA, 0x78C14389, 0xD95A537F, 0x207D5BA2, 0x02E5B9C5, 0x83260376, 0x6295CFA9,
50 0x11C81968, 0x4E734A41, 0xB3472DCA, 0x7B14A94A, 0x1B510052, 0x9A532915, 0xD60F573F, 0xBC9BC6E4, 0x2B60A476,
51 0x81E67400, 0x08BA6FB5, 0x571BE91F, 0xF296EC6B, 0x2A0DD915, 0xB6636521, 0xE7B9F9B6, 0xFF34052E, 0xC5855664,
52 0x53B02D5D, 0xA99F8FA1, 0x08BA4799, 0x6E85076A, 0x4B7A70E9, 0xB5B32944, 0xDB75092E, 0xC4192623, 0xAD6EA6B0,
53 0x49A7DF7D, 0x9CEE60B8, 0x8FEDB266, 0xECAA8C71, 0x699A17FF, 0x5664526C, 0xC2B19EE1, 0x193602A5, 0x75094C29,
54 0xA0591340, 0xE4183A3E, 0x3F54989A, 0x5B429D65, 0x6B8FE4D6, 0x99F73FD6, 0xA1D29C07, 0xEFE830F5, 0x4D2D38E6,
55 0xF0255DC1, 0x4CDD2086, 0x8470EB26, 0x6382E9C6, 0x021ECC5E, 0x09686B3F, 0x3EBAEFC9, 0x3C971814, 0x6B6A70A1,
56 0x687F3584, 0x52A0E286, 0xB79C5305, 0xAA500737, 0x3E07841C, 0x7FDEAE5C, 0x8E7D44EC, 0x5716F2B8, 0xB03ADA37,
57 0xF0500C0D, 0xF01C1F04, 0x0200B3FF, 0xAE0CF51A, 0x3CB574B2, 0x25837A58, 0xDC0921BD, 0xD19113F9, 0x7CA92FF6,
58 0x94324773, 0x22F54701, 0x3AE5E581, 0x37C2DADC, 0xC8B57634, 0x9AF3DDA7, 0xA9446146, 0x0FD0030E, 0xECC8C73E,
59 0xA4751E41, 0xE238CD99, 0x3BEA0E2F, 0x3280BBA1, 0x183EB331, 0x4E548B38, 0x4F6DB908, 0x6F420D03, 0xF60A04BF,
60 0x2CB81290, 0x24977C79, 0x5679B072, 0xBCAF89AF, 0xDE9A771F, 0xD9930810, 0xB38BAE12, 0xDCCF3F2E, 0x5512721F,
61 0x2E6B7124, 0x501ADDE6, 0x9F84CD87, 0x7A584718, 0x7408DA17, 0xBC9F9ABC, 0xE94B7D8C, 0xEC7AEC3A, 0xDB851DFA,
62 0x63094366, 0xC464C3D2, 0xEF1C1847, 0x3215D908, 0xDD433B37, 0x24C2BA16, 0x12A14D43, 0x2A65C451, 0x50940002,
63 0x133AE4DD, 0x71DFF89E, 0x10314E55, 0x81AC77D6, 0x5F11199B, 0x043556F1, 0xD7A3C76B, 0x3C11183B, 0x5924A509,
64 0xF28FE6ED, 0x97F1FBFA, 0x9EBABF2C, 0x1E153C6E, 0x86E34570, 0xEAE96FB1, 0x860E5E0A, 0x5A3E2AB3, 0x771FE71C,
65 0x4E3D06FA, 0x2965DCB9, 0x99E71D0F, 0x803E89D6, 0x5266C825, 0x2E4CC978, 0x9C10B36A, 0xC6150EBA, 0x94E2EA78,
66 0xA5FC3C53, 0x1E0A2DF4, 0xF2F74EA7, 0x361D2B3D, 0x1939260F, 0x19C27960, 0x5223A708, 0xF71312B6, 0xEBADFE6E,
67 0xEAC31F66, 0xE3BC4595, 0xA67BC883, 0xB17F37D1, 0x018CFF28, 0xC332DDEF, 0xBE6C5AA5, 0x65582185, 0x68AB9802,
68 0xEECEA50F, 0xDB2F953B, 0x2AEF7DAD, 0x5B6E2F84, 0x1521B628, 0x29076170, 0xECDD4775, 0x619F1510, 0x13CCA830,
69 0xEB61BD96, 0x0334FE1E, 0xAA0363CF, 0xB5735C90, 0x4C70A239, 0xD59E9E0B, 0xCBAADE14, 0xEECC86BC, 0x60622CA7,
70 0x9CAB5CAB, 0xB2F3846E, 0x648B1EAF, 0x19BDF0CA, 0xA02369B9, 0x655ABB50, 0x40685A32, 0x3C2AB4B3, 0x319EE9D5,
71 0xC021B8F7, 0x9B540B19, 0x875FA099, 0x95F7997E, 0x623D7DA8, 0xF837889A, 0x97E32D77, 0x11ED935F, 0x16681281,
72 0x0E358829, 0xC7E61FD6, 0x96DEDFA1, 0x7858BA99, 0x57F584A5, 0x1B227263, 0x9B83C3FF, 0x1AC24696, 0xCDB30AEB,
73 0x532E3054, 0x8FD948E4, 0x6DBC3128, 0x58EBF2EF, 0x34C6FFEA, 0xFE28ED61, 0xEE7C3C73, 0x5D4A14D9, 0xE864B7E3,
74 0x42105D14, 0x203E13E0, 0x45EEE2B6, 0xA3AAABEA, 0xDB6C4F15, 0xFACB4FD0, 0xC742F442, 0xEF6ABBB5, 0x654F3B1D,
75 0x41CD2105, 0xD81E799E, 0x86854DC7, 0xE44B476A, 0x3D816250, 0xCF62A1F2, 0x5B8D2646, 0xFC8883A0, 0xC1C7B6A3,
76 0x7F1524C3, 0x69CB7492, 0x47848A0B, 0x5692B285, 0x095BBF00, 0xAD19489D, 0x1462B174, 0x23820E00, 0x58428D2A,
77 0x0C55F5EA, 0x1DADF43E, 0x233F7061, 0x3372F092, 0x8D937E41, 0xD65FECF1, 0x6C223BDB, 0x7CDE3759, 0xCBEE7460,
78 0x4085F2A7, 0xCE77326E, 0xA6078084, 0x19F8509E, 0xE8EFD855, 0x61D99735, 0xA969A7AA, 0xC50C06C2, 0x5A04ABFC,
79 0x800BCADC, 0x9E447A2E, 0xC3453484, 0xFDD56705, 0x0E1E9EC9, 0xDB73DBD3, 0x105588CD, 0x675FDA79, 0xE3674340,
80 0xC5C43465, 0x713E38D8, 0x3D28F89E, 0xF16DFF20, 0x153E21E7, 0x8FB03D4A, 0xE6E39F2B, 0xDB83ADF7, 0xE93D5A68,
81 0x948140F7, 0xF64C261C, 0x94692934, 0x411520F7, 0x7602D4F7, 0xBCF46B2E, 0xD4A20068, 0xD4082471, 0x3320F46A,
82 0x43B7D4B7, 0x500061AF, 0x1E39F62E, 0x97244546, 0x14214F74, 0xBF8B8840, 0x4D95FC1D, 0x96B591AF, 0x70F4DDD3,
83 0x66A02F45, 0xBFBC09EC, 0x03BD9785, 0x7FAC6DD0, 0x31CB8504, 0x96EB27B3, 0x55FD3941, 0xDA2547E6, 0xABCA0A9A,
84 0x28507825, 0x530429F4, 0x0A2C86DA, 0xE9B66DFB, 0x68DC1462, 0xD7486900, 0x680EC0A4, 0x27A18DEE, 0x4F3FFEA2,
85 0xE887AD8C, 0xB58CE006, 0x7AF4D6B6, 0xAACE1E7C, 0xD3375FEC, 0xCE78A399, 0x406B2A42, 0x20FE9E35, 0xD9F385B9,
86 0xEE39D7AB, 0x3B124E8B, 0x1DC9FAF7, 0x4B6D1856, 0x26A36631, 0xEAE397B2, 0x3A6EFA74, 0xDD5B4332, 0x6841E7F7,
87 0xCA7820FB, 0xFB0AF54E, 0xD8FEB397, 0x454056AC, 0xBA489527, 0x55533A3A, 0x20838D87, 0xFE6BA9B7, 0xD096954B,
88 0x55A867BC, 0xA1159A58, 0xCCA92963, 0x99E1DB33, 0xA62A4A56, 0x3F3125F9, 0x5EF47E1C, 0x9029317C, 0xFDF8E802,
89 0x04272F70, 0x80BB155C, 0x05282CE3, 0x95C11548, 0xE4C66D22, 0x48C1133F, 0xC70F86DC, 0x07F9C9EE, 0x41041F0F,
90 0x404779A4, 0x5D886E17, 0x325F51EB, 0xD59BC0D1, 0xF2BCC18F, 0x41113564, 0x257B7834, 0x602A9C60, 0xDFF8E8A3,
91 0x1F636C1B, 0x0E12B4C2, 0x02E1329E, 0xAF664FD1, 0xCAD18115, 0x6B2395E0, 0x333E92E1, 0x3B240B62, 0xEEBEB922,
92 0x85B2A20E, 0xE6BA0D99, 0xDE720C8C, 0x2DA2F728, 0xD0127845, 0x95B794FD, 0x647D0862, 0xE7CCF5F0, 0x5449A36F,
93 0x877D48FA, 0xC39DFD27, 0xF33E8D1E, 0x0A476341, 0x992EFF74, 0x3A6F6EAB, 0xF4F8FD37, 0xA812DC60, 0xA1EBDDF8,
94 0x991BE14C, 0xDB6E6B0D, 0xC67B5510, 0x6D672C37, 0x2765D43B, 0xDCD0E804, 0xF1290DC7, 0xCC00FFA3, 0xB5390F92,
95 0x690FED0B, 0x667B9FFB, 0xCEDB7D9C, 0xA091CF0B, 0xD9155EA3, 0xBB132F88, 0x515BAD24, 0x7B9479BF, 0x763BD6EB,
96 0x37392EB3, 0xCC115979, 0x8026E297, 0xF42E312D, 0x6842ADA7, 0xC66A2B3B, 0x12754CCC, 0x782EF11C, 0x6A124237,
97 0xB79251E7, 0x06A1BBE6, 0x4BFB6350, 0x1A6B1018, 0x11CAEDFA, 0x3D25BDD8, 0xE2E1C3C9, 0x44421659, 0x0A121386,
98 0xD90CEC6E, 0xD5ABEA2A, 0x64AF674E, 0xDA86A85F, 0xBEBFE988, 0x64E4C3FE, 0x9DBC8057, 0xF0F7C086, 0x60787BF8,
99 0x6003604D, 0xD1FD8346, 0xF6381FB0, 0x7745AE04, 0xD736FCCC, 0x83426B33, 0xF01EAB71, 0xB0804187, 0x3C005E5F,
100 0x77A057BE, 0xBDE8AE24, 0x55464299, 0xBF582E61, 0x4E58F48F, 0xF2DDFDA2, 0xF474EF38, 0x8789BDC2, 0x5366F9C3,
101 0xC8B38E74, 0xB475F255, 0x46FCD9B9, 0x7AEB2661, 0x8B1DDF84, 0x846A0E79, 0x915F95E2, 0x466E598E, 0x20B45770,
102 0x8CD55591, 0xC902DE4C, 0xB90BACE1, 0xBB8205D0, 0x11A86248, 0x7574A99E, 0xB77F19B6, 0xE0A9DC09, 0x662D09A1,
103 0xC4324633, 0xE85A1F02, 0x09F0BE8C, 0x4A99A025, 0x1D6EFE10, 0x1AB93D1D, 0x0BA5A4DF, 0xA186F20F, 0x2868F169,
104 0xDCB7DA83, 0x573906FE, 0xA1E2CE9B, 0x4FCD7F52, 0x50115E01, 0xA70683FA, 0xA002B5C4, 0x0DE6D027, 0x9AF88C27,
105 0x773F8641, 0xC3604C06, 0x61A806B5, 0xF0177A28, 0xC0F586E0, 0x006058AA, 0x30DC7D62, 0x11E69ED7, 0x2338EA63,
106 0x53C2DD94, 0xC2C21634, 0xBBCBEE56, 0x90BCB6DE, 0xEBFC7DA1, 0xCE591D76, 0x6F05E409, 0x4B7C0188, 0x39720A3D,
107 0x7C927C24, 0x86E3725F, 0x724D9DB9, 0x1AC15BB4, 0xD39EB8FC, 0xED545578, 0x08FCA5B5, 0xD83D7CD3, 0x4DAD0FC4,
108 0x1E50EF5E, 0xB161E6F8, 0xA28514D9, 0x6C51133C, 0x6FD5C7E7, 0x56E14EC4, 0x362ABFCE, 0xDDC6C837, 0xD79A3234,
109 0x92638212, 0x670EFA8E, 0x406000E0, 0x3A39CE37, 0xD3FAF5CF, 0xABC27737, 0x5AC52D1B, 0x5CB0679E, 0x4FA33742,
110 0xD3822740, 0x99BC9BBE, 0xD5118E9D, 0xBF0F7315, 0xD62D1C7E, 0xC700C47B, 0xB78C1B6B, 0x21A19045, 0xB26EB1BE,
111 0x6A366EB4, 0x5748AB2F, 0xBC946E79, 0xC6A376D2, 0x6549C2C8, 0x530FF8EE, 0x468DDE7D, 0xD5730A1D, 0x4CD04DC6,
112 0x2939BBDB, 0xA9BA4650, 0xAC9526E8, 0xBE5EE304, 0xA1FAD5F0, 0x6A2D519A, 0x63EF8CE2, 0x9A86EE22, 0xC089C2B8,
113 0x43242EF6, 0xA51E03AA, 0x9CF2D0A4, 0x83C061BA, 0x9BE96A4D, 0x8FE51550, 0xBA645BD6, 0x2826A2F9, 0xA73A3AE1,
114 0x4BA99586, 0xEF5562E9, 0xC72FEFD3, 0xF752F7DA, 0x3F046F69, 0x77FA0A59, 0x80E4A915, 0x87B08601, 0x9B09E6AD,
115 0x3B3EE593, 0xE990FD5A, 0x9E34D797, 0x2CF0B7D9, 0x022B8B51, 0x96D5AC3A, 0x017DA67D, 0xD1CF3ED6, 0x7C7D2D28,
116 0x1F9F25CF, 0xADF2B89B, 0x5AD6B472, 0x5A88F54C, 0xE029AC71, 0xE019A5E6, 0x47B0ACFD, 0xED93FA9B, 0xE8D3C48D,
117 0x283B57CC, 0xF8D56629, 0x79132E28, 0x785F0191, 0xED756055, 0xF7960E44, 0xE3D35E8C, 0x15056DD4, 0x88F46DBA,
118 0x03A16125, 0x0564F0BD, 0xC3EB9E15, 0x3C9057A2, 0x97271AEC, 0xA93A072A, 0x1B3F6D9B, 0x1E6321F5, 0xF59C66FB,
119 0x26DCF319, 0x7533D928, 0xB155FDF5, 0x03563482, 0x8ABA3CBB, 0x28517711, 0xC20AD9F8, 0xABCC5167, 0xCCAD925F,
120 0x4DE81751, 0x3830DC8E, 0x379D5862, 0x9320F991, 0xEA7A90C2, 0xFB3E7BCE, 0x5121CE64, 0x774FBE32, 0xA8B6E37E,
121 0xC3293D46, 0x48DE5369, 0x6413E680, 0xA2AE0810, 0xDD6DB224, 0x69852DFD, 0x09072166, 0xB39A460A, 0x6445C0DD,
122 0x586CDECF, 0x1C20C8AE, 0x5BBEF7DD, 0x1B588D40, 0xCCD2017F, 0x6BB4E3BB, 0xDDA26A7E, 0x3A59FF45, 0x3E350A44,
123 0xBCB4CDD5, 0x72EACEA8, 0xFA6484BB, 0x8D6612AE, 0xBF3C6F47, 0xD29BE463, 0x542F5D9E, 0xAEC2771B, 0xF64E6370,
124 0x740E0D8D, 0xE75B1357, 0xF8721671, 0xAF537D5D, 0x4040CB08, 0x4EB4E2CC, 0x34D2466A, 0x0115AF84, 0xE1B00428,
125 0x95983A1D, 0x06B89FB4, 0xCE6EA048, 0x6F3F3B82, 0x3520AB82, 0x011A1D4B, 0x277227F8, 0x611560B1, 0xE7933FDC,
126 0xBB3A792B, 0x344525BD, 0xA08839E1, 0x51CE794B, 0x2F32C9B7, 0xA01FBAC9, 0xE01CC87E, 0xBCC7D1F6, 0xCF0111C3,
127 0xA1E8AAC7, 0x1A908749, 0xD44FBD9A, 0xD0DADECB, 0xD50ADA38, 0x0339C32A, 0xC6913667, 0x8DF9317C, 0xE0B12B4F,
128 0xF79E59B7, 0x43F5BB3A, 0xF2D519FF, 0x27D9459C, 0xBF97222C, 0x15E6FC2A, 0x0F91FC71, 0x9B941525, 0xFAE59361,
129 0xCEB69CEB, 0xC2A86459, 0x12BAA8D1, 0xB6C1075E, 0xE3056A0C, 0x10D25065, 0xCB03A442, 0xE0EC6E0E, 0x1698DB3B,
130 0x4C98A0BE, 0x3278E964, 0x9F1F9532, 0xE0D392DF, 0xD3A0342B, 0x8971F21E, 0x1B0A7441, 0x4BA3348C, 0xC5BE7120,
131 0xC37632D8, 0xDF359F8D, 0x9B992F2E, 0xE60B6F47, 0x0FE3F11D, 0xE54CDA54, 0x1EDAD891, 0xCE6279CF, 0xCD3E7E6F,
132 0x1618B166, 0xFD2C1D05, 0x848FD2C5, 0xF6FB2299, 0xF523F357, 0xA6327623, 0x93A83531, 0x56CCCD02, 0xACF08162,
133 0x5A75EBB5, 0x6E163697, 0x88D273CC, 0xDE966292, 0x81B949D0, 0x4C50901B, 0x71C65614, 0xE6C6C7BD, 0x327A140A,
134 0x45E1D006, 0xC3F27B9A, 0xC9AA53FD, 0x62A80F00, 0xBB25BFE2, 0x35BDD2F6, 0x71126905, 0xB2040222, 0xB6CBCF7C,
135 0xCD769C2B, 0x53113EC0, 0x1640E3D3, 0x38ABBD60, 0x2547ADF0, 0xBA38209C, 0xF746CE76, 0x77AFA1C5, 0x20756060,
136 0x85CBFE4E, 0x8AE88DD8, 0x7AAAF9B0, 0x4CF9AA7E, 0x1948C25C, 0x02FB8A8C, 0x01C36AE4, 0xD6EBE1F9, 0x90D4F869,
137 0xA65CDEA0, 0x3F09252D, 0xC208E69F, 0xB74E6132, 0xCE77E25B, 0x578FDFE3, 0x3AC372E6
138};
139
140// clang-format on
141
142inline uint32_t BFF(uint32_t X, const secure_vector<uint32_t>& S) {
143 const uint32_t s0 = S[get_byte<0>(X)];
144 const uint32_t s1 = S[get_byte<1>(X) + 256];
145 const uint32_t s2 = S[get_byte<2>(X) + 512];
146 const uint32_t s3 = S[get_byte<3>(X) + 768];
147
148 return (((s0 + s1) ^ s2) + s3);
149}
150
151} // namespace
152
153/*
154* Blowfish Encryption
155*/
156void Blowfish::encrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const {
157 assert_key_material_set();
158
159 while(blocks >= 4) {
160 uint32_t L0 = load_be<uint32_t>(in, 0);
161 uint32_t R0 = load_be<uint32_t>(in, 1);
162 uint32_t L1 = load_be<uint32_t>(in, 2);
163 uint32_t R1 = load_be<uint32_t>(in, 3);
164 uint32_t L2 = load_be<uint32_t>(in, 4);
165 uint32_t R2 = load_be<uint32_t>(in, 5);
166 uint32_t L3 = load_be<uint32_t>(in, 6);
167 uint32_t R3 = load_be<uint32_t>(in, 7);
168
169 for(size_t r = 0; r != 16; r += 2) {
170 L0 ^= m_P[r];
171 L1 ^= m_P[r];
172 L2 ^= m_P[r];
173 L3 ^= m_P[r];
174 R0 ^= BFF(L0, m_S);
175 R1 ^= BFF(L1, m_S);
176 R2 ^= BFF(L2, m_S);
177 R3 ^= BFF(L3, m_S);
178
179 R0 ^= m_P[r + 1];
180 R1 ^= m_P[r + 1];
181 R2 ^= m_P[r + 1];
182 R3 ^= m_P[r + 1];
183 L0 ^= BFF(R0, m_S);
184 L1 ^= BFF(R1, m_S);
185 L2 ^= BFF(R2, m_S);
186 L3 ^= BFF(R3, m_S);
187 }
188
189 L0 ^= m_P[16];
190 R0 ^= m_P[17];
191 L1 ^= m_P[16];
192 R1 ^= m_P[17];
193 L2 ^= m_P[16];
194 R2 ^= m_P[17];
195 L3 ^= m_P[16];
196 R3 ^= m_P[17];
197
198 store_be(out, R0, L0, R1, L1, R2, L2, R3, L3);
199
200 in += 4 * BLOCK_SIZE;
201 out += 4 * BLOCK_SIZE;
202 blocks -= 4;
203 }
204
205 while(blocks > 0) {
206 uint32_t L = load_be<uint32_t>(in, 0);
207 uint32_t R = load_be<uint32_t>(in, 1);
208
209 for(size_t r = 0; r != 16; r += 2) {
210 L ^= m_P[r];
211 R ^= BFF(L, m_S);
212
213 R ^= m_P[r + 1];
214 L ^= BFF(R, m_S);
215 }
216
217 L ^= m_P[16];
218 R ^= m_P[17];
219
220 store_be(out, R, L);
221
222 in += BLOCK_SIZE;
223 out += BLOCK_SIZE;
224 blocks--;
225 }
226}
227
228/*
229* Blowfish Decryption
230*/
231void Blowfish::decrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const {
232 assert_key_material_set();
233
234 while(blocks >= 4) {
235 uint32_t L0 = load_be<uint32_t>(in, 0);
236 uint32_t R0 = load_be<uint32_t>(in, 1);
237 uint32_t L1 = load_be<uint32_t>(in, 2);
238 uint32_t R1 = load_be<uint32_t>(in, 3);
239 uint32_t L2 = load_be<uint32_t>(in, 4);
240 uint32_t R2 = load_be<uint32_t>(in, 5);
241 uint32_t L3 = load_be<uint32_t>(in, 6);
242 uint32_t R3 = load_be<uint32_t>(in, 7);
243
244 for(size_t r = 17; r != 1; r -= 2) {
245 L0 ^= m_P[r];
246 L1 ^= m_P[r];
247 L2 ^= m_P[r];
248 L3 ^= m_P[r];
249 R0 ^= BFF(L0, m_S);
250 R1 ^= BFF(L1, m_S);
251 R2 ^= BFF(L2, m_S);
252 R3 ^= BFF(L3, m_S);
253
254 R0 ^= m_P[r - 1];
255 R1 ^= m_P[r - 1];
256 R2 ^= m_P[r - 1];
257 R3 ^= m_P[r - 1];
258
259 L0 ^= BFF(R0, m_S);
260 L1 ^= BFF(R1, m_S);
261 L2 ^= BFF(R2, m_S);
262 L3 ^= BFF(R3, m_S);
263 }
264
265 L0 ^= m_P[1];
266 R0 ^= m_P[0];
267 L1 ^= m_P[1];
268 R1 ^= m_P[0];
269 L2 ^= m_P[1];
270 R2 ^= m_P[0];
271 L3 ^= m_P[1];
272 R3 ^= m_P[0];
273
274 store_be(out, R0, L0, R1, L1, R2, L2, R3, L3);
275
276 in += 4 * BLOCK_SIZE;
277 out += 4 * BLOCK_SIZE;
278 blocks -= 4;
279 }
280
281 while(blocks > 0) {
282 uint32_t L = load_be<uint32_t>(in, 0);
283 uint32_t R = load_be<uint32_t>(in, 1);
284
285 for(size_t r = 17; r != 1; r -= 2) {
286 L ^= m_P[r];
287 R ^= BFF(L, m_S);
288
289 R ^= m_P[r - 1];
290 L ^= BFF(R, m_S);
291 }
292
293 L ^= m_P[1];
294 R ^= m_P[0];
295
296 store_be(out, R, L);
297
298 in += BLOCK_SIZE;
299 out += BLOCK_SIZE;
300 blocks--;
301 }
302}
303
304bool Blowfish::has_keying_material() const {
305 return !m_P.empty();
306}
307
308/*
309* Blowfish Key Schedule
310*/
311void Blowfish::key_schedule(std::span<const uint8_t> key) {
312 m_P.resize(18);
313 copy_mem(m_P.data(), P_INIT, 18);
314
315 m_S.resize(1024);
316 copy_mem(m_S.data(), S_INIT, 1024);
317
318 key_expansion(key.data(), key.size(), nullptr, 0);
319}
320
321void Blowfish::key_expansion(const uint8_t key[], size_t length, const uint8_t salt[], size_t salt_length) {
322 BOTAN_ASSERT_NOMSG(salt_length % 4 == 0);
323
324 for(size_t i = 0, j = 0; i != 18; ++i, j += 4) {
325 m_P[i] ^= make_uint32(key[(j) % length], key[(j + 1) % length], key[(j + 2) % length], key[(j + 3) % length]);
326 }
327
328 const size_t P_salt_offset = (salt_length > 0) ? 18 % (salt_length / 4) : 0;
329
330 uint32_t L = 0;
331 uint32_t R = 0;
332 generate_sbox(m_P, L, R, salt, salt_length, 0);
333 generate_sbox(m_S, L, R, salt, salt_length, P_salt_offset);
334}
335
336/*
337* Modified key schedule used for bcrypt password hashing
338*/
339void Blowfish::salted_set_key(
340 const uint8_t key[], size_t length, const uint8_t salt[], size_t salt_length, size_t workfactor, bool salt_first) {
341 BOTAN_ARG_CHECK(salt_length > 0 && salt_length % 4 == 0, "Invalid salt length for Blowfish salted key schedule");
342
343 // Truncate longer passwords to the 72 char bcrypt limit
344 length = std::min<size_t>(length, 72);
345
346 m_P.resize(18);
347 copy_mem(m_P.data(), P_INIT, 18);
348
349 m_S.resize(1024);
350 copy_mem(m_S.data(), S_INIT, 1024);
351 key_expansion(key, length, salt, salt_length);
352
353 if(workfactor > 0) {
354 const size_t rounds = static_cast<size_t>(1) << workfactor;
355
356 for(size_t r = 0; r != rounds; ++r) {
357 if(salt_first) {
358 key_expansion(salt, salt_length, nullptr, 0);
359 key_expansion(key, length, nullptr, 0);
360 } else {
361 key_expansion(key, length, nullptr, 0);
362 key_expansion(salt, salt_length, nullptr, 0);
363 }
364 }
365 }
366}
367
368/*
369* Generate one of the Sboxes
370*/
371void Blowfish::generate_sbox(secure_vector<uint32_t>& box,
372 uint32_t& L,
373 uint32_t& R,
374 const uint8_t salt[],
375 size_t salt_length,
376 size_t salt_off) const {
377 for(size_t i = 0; i != box.size(); i += 2) {
378 if(salt_length > 0) {
379 L ^= load_be<uint32_t>(salt, (i + salt_off) % (salt_length / 4));
380 R ^= load_be<uint32_t>(salt, (i + salt_off + 1) % (salt_length / 4));
381 }
382
383 for(size_t r = 0; r != 16; r += 2) {
384 L ^= m_P[r];
385 R ^= BFF(L, m_S);
386
387 R ^= m_P[r + 1];
388 L ^= BFF(R, m_S);
389 }
390
391 uint32_t T = R;
392 R = L ^ m_P[16];
393 L = T ^ m_P[17];
394 box[i] = L;
395 box[i + 1] = R;
396 }
397}
398
399/*
400* Clear memory of sensitive data
401*/
402void Blowfish::clear() {
403 zap(m_P);
404 zap(m_S);
405}
406
407} // namespace Botan
BOTAN_ASSERT_NOMSG
#define BOTAN_ASSERT_NOMSG(expr)
Definition assert.h:75
BOTAN_ARG_CHECK
#define BOTAN_ARG_CHECK(expr, msg)
Definition assert.h:33
Botan::Block_Cipher_Fixed_Params< 8, 1, 56 >::BLOCK_SIZE
@ BLOCK_SIZE
Definition block_cipher.h:212
Botan::Blowfish::encrypt_n
void encrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const override
Definition blowfish.cpp:156
Botan::Blowfish::clear
void clear() override
Definition blowfish.cpp:402
Botan::Blowfish::has_keying_material
bool has_keying_material() const override
Definition blowfish.cpp:304
Botan::Blowfish::salted_set_key
void salted_set_key(const uint8_t key[], size_t key_length, const uint8_t salt[], size_t salt_length, size_t workfactor, bool salt_first=false)
Definition blowfish.cpp:339
Botan::Blowfish::decrypt_n
void decrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const override
Definition blowfish.cpp:231
Botan::get_byte
constexpr uint8_t get_byte(T input)
Definition loadstor.h:79
Botan::copy_mem
constexpr void copy_mem(T *out, const T *in, size_t n)
Definition mem_ops.h:145
Botan::zap
void zap(std::vector< T, Alloc > &vec)
Definition secmem.h:134
Botan::make_uint32
constexpr uint32_t make_uint32(uint8_t i0, uint8_t i1, uint8_t i2, uint8_t i3)
Definition loadstor.h:104
Botan::secure_vector
std::vector< T, secure_allocator< T > > secure_vector
Definition secmem.h:69
Botan::store_be
constexpr auto store_be(ParamTs &&... params)
Definition loadstor.h:745
Botan::load_be
constexpr auto load_be(ParamTs &&... params)
Definition loadstor.h:504
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