From a4401c99c2a54ba9a964317cbff915d40d16e470 Mon Sep 17 00:00:00 2001 From: Uros Majstorovic Date: Wed, 2 Feb 2022 06:30:38 +0100 Subject: moved aes sha and blowfish to crypto --- ext/blowfish/Makefile | 15 -- ext/blowfish/blowfish.c | 539 ------------------------------------------------ ext/blowfish/blowfish.h | 38 ---- 3 files changed, 592 deletions(-) delete mode 100644 ext/blowfish/Makefile delete mode 100644 ext/blowfish/blowfish.c delete mode 100644 ext/blowfish/blowfish.h (limited to 'ext/blowfish') diff --git a/ext/blowfish/Makefile b/ext/blowfish/Makefile deleted file mode 100644 index fff41a0..0000000 --- a/ext/blowfish/Makefile +++ /dev/null @@ -1,15 +0,0 @@ -include common.mk - -obj = blowfish.o - - -%.o: %.c %.h - $(CC) $(CFLAGS) -c $< - -%.o: %.S - $(CC) $(CFLAGS) -c $< - -all: $(obj) - -clean: - rm -f *.o diff --git a/ext/blowfish/blowfish.c b/ext/blowfish/blowfish.c deleted file mode 100644 index ada71d3..0000000 --- a/ext/blowfish/blowfish.c +++ /dev/null @@ -1,539 +0,0 @@ -/* -blowfish.c: C implementation of the Blowfish algorithm. - -Copyright (C) 1997 by Paul Kocher - -This library is free software; you can redistribute it and/or -modify it under the terms of the GNU Lesser General Public -License as published by the Free Software Foundation; either -version 2.1 of the License, or (at your option) any later version. -This library is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -Lesser General Public License for more details. -You should have received a copy of the GNU Lesser General Public -License along with this library; if not, write to the Free Software -Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - - - - -COMMENTS ON USING THIS CODE: - -Normal usage is as follows: - [1] Allocate a BFCtx. (It may be too big for the stack.) - [2] Call Blowfish_Init with a pointer to your BFCtx, a pointer to - the key, and the number of bytes in the key. - [3] To encrypt a 64-bit block, call Blowfish_Encrypt with a pointer to - BFCtx, a pointer to the 32-bit left half of the plaintext - and a pointer to the 32-bit right half. The plaintext will be - overwritten with the ciphertext. - [4] Decryption is the same as encryption except that the plaintext and - ciphertext are reversed. - -Warning #1: The code does not check key lengths. (Caveat encryptor.) -Warning #2: Beware that Blowfish keys repeat such that "ab" = "abab". -Warning #3: It is normally a good idea to zeroize the BFCtx before - freeing it. -Warning #4: Endianness conversions are the responsibility of the caller. - (To encrypt bytes on a little-endian platforms, you'll probably want - to swap bytes around instead of just casting.) -Warning #5: Make sure to use a reasonable mode of operation for your - application. (If you don't know what CBC mode is, see Warning #7.) -Warning #6: This code is susceptible to timing attacks. -Warning #7: Security engineering is risky and non-intuitive. Have someone - check your work. If you don't know what you are doing, get help. - - -This is code is fast enough for most applications, but is not optimized for -speed. - -If you require this code under a license other than LGPL, please ask. (I -can be located using your favorite search engine.) Unfortunately, I do not -have time to provide unpaid support for everyone who uses this code. - - -- Paul Kocher -*/ - -#include -#include "blowfish.h" - -#define N 16 - -static const unsigned long ORIG_P[16 + 2] = { - 0x243F6A88L, 0x85A308D3L, 0x13198A2EL, 0x03707344L, - 0xA4093822L, 0x299F31D0L, 0x082EFA98L, 0xEC4E6C89L, - 0x452821E6L, 0x38D01377L, 0xBE5466CFL, 0x34E90C6CL, - 0xC0AC29B7L, 0xC97C50DDL, 0x3F84D5B5L, 0xB5470917L, - 0x9216D5D9L, 0x8979FB1BL -}; - -static const unsigned long ORIG_S[4][256] = { - { 0xD1310BA6L, 0x98DFB5ACL, 0x2FFD72DBL, 0xD01ADFB7L, - 0xB8E1AFEDL, 0x6A267E96L, 0xBA7C9045L, 0xF12C7F99L, - 0x24A19947L, 0xB3916CF7L, 0x0801F2E2L, 0x858EFC16L, - 0x636920D8L, 0x71574E69L, 0xA458FEA3L, 0xF4933D7EL, - 0x0D95748FL, 0x728EB658L, 0x718BCD58L, 0x82154AEEL, - 0x7B54A41DL, 0xC25A59B5L, 0x9C30D539L, 0x2AF26013L, - 0xC5D1B023L, 0x286085F0L, 0xCA417918L, 0xB8DB38EFL, - 0x8E79DCB0L, 0x603A180EL, 0x6C9E0E8BL, 0xB01E8A3EL, - 0xD71577C1L, 0xBD314B27L, 0x78AF2FDAL, 0x55605C60L, - 0xE65525F3L, 0xAA55AB94L, 0x57489862L, 0x63E81440L, - 0x55CA396AL, 0x2AAB10B6L, 0xB4CC5C34L, 0x1141E8CEL, - 0xA15486AFL, 0x7C72E993L, 0xB3EE1411L, 0x636FBC2AL, - 0x2BA9C55DL, 0x741831F6L, 0xCE5C3E16L, 0x9B87931EL, - 0xAFD6BA33L, 0x6C24CF5CL, 0x7A325381L, 0x28958677L, - 0x3B8F4898L, 0x6B4BB9AFL, 0xC4BFE81BL, 0x66282193L, - 0x61D809CCL, 0xFB21A991L, 0x487CAC60L, 0x5DEC8032L, - 0xEF845D5DL, 0xE98575B1L, 0xDC262302L, 0xEB651B88L, - 0x23893E81L, 0xD396ACC5L, 0x0F6D6FF3L, 0x83F44239L, - 0x2E0B4482L, 0xA4842004L, 0x69C8F04AL, 0x9E1F9B5EL, - 0x21C66842L, 0xF6E96C9AL, 0x670C9C61L, 0xABD388F0L, - 0x6A51A0D2L, 0xD8542F68L, 0x960FA728L, 0xAB5133A3L, - 0x6EEF0B6CL, 0x137A3BE4L, 0xBA3BF050L, 0x7EFB2A98L, - 0xA1F1651DL, 0x39AF0176L, 0x66CA593EL, 0x82430E88L, - 0x8CEE8619L, 0x456F9FB4L, 0x7D84A5C3L, 0x3B8B5EBEL, - 0xE06F75D8L, 0x85C12073L, 0x401A449FL, 0x56C16AA6L, - 0x4ED3AA62L, 0x363F7706L, 0x1BFEDF72L, 0x429B023DL, - 0x37D0D724L, 0xD00A1248L, 0xDB0FEAD3L, 0x49F1C09BL, - 0x075372C9L, 0x80991B7BL, 0x25D479D8L, 0xF6E8DEF7L, - 0xE3FE501AL, 0xB6794C3BL, 0x976CE0BDL, 0x04C006BAL, - 0xC1A94FB6L, 0x409F60C4L, 0x5E5C9EC2L, 0x196A2463L, - 0x68FB6FAFL, 0x3E6C53B5L, 0x1339B2EBL, 0x3B52EC6FL, - 0x6DFC511FL, 0x9B30952CL, 0xCC814544L, 0xAF5EBD09L, - 0xBEE3D004L, 0xDE334AFDL, 0x660F2807L, 0x192E4BB3L, - 0xC0CBA857L, 0x45C8740FL, 0xD20B5F39L, 0xB9D3FBDBL, - 0x5579C0BDL, 0x1A60320AL, 0xD6A100C6L, 0x402C7279L, - 0x679F25FEL, 0xFB1FA3CCL, 0x8EA5E9F8L, 0xDB3222F8L, - 0x3C7516DFL, 0xFD616B15L, 0x2F501EC8L, 0xAD0552ABL, - 0x323DB5FAL, 0xFD238760L, 0x53317B48L, 0x3E00DF82L, - 0x9E5C57BBL, 0xCA6F8CA0L, 0x1A87562EL, 0xDF1769DBL, - 0xD542A8F6L, 0x287EFFC3L, 0xAC6732C6L, 0x8C4F5573L, - 0x695B27B0L, 0xBBCA58C8L, 0xE1FFA35DL, 0xB8F011A0L, - 0x10FA3D98L, 0xFD2183B8L, 0x4AFCB56CL, 0x2DD1D35BL, - 0x9A53E479L, 0xB6F84565L, 0xD28E49BCL, 0x4BFB9790L, - 0xE1DDF2DAL, 0xA4CB7E33L, 0x62FB1341L, 0xCEE4C6E8L, - 0xEF20CADAL, 0x36774C01L, 0xD07E9EFEL, 0x2BF11FB4L, - 0x95DBDA4DL, 0xAE909198L, 0xEAAD8E71L, 0x6B93D5A0L, - 0xD08ED1D0L, 0xAFC725E0L, 0x8E3C5B2FL, 0x8E7594B7L, - 0x8FF6E2FBL, 0xF2122B64L, 0x8888B812L, 0x900DF01CL, - 0x4FAD5EA0L, 0x688FC31CL, 0xD1CFF191L, 0xB3A8C1ADL, - 0x2F2F2218L, 0xBE0E1777L, 0xEA752DFEL, 0x8B021FA1L, - 0xE5A0CC0FL, 0xB56F74E8L, 0x18ACF3D6L, 0xCE89E299L, - 0xB4A84FE0L, 0xFD13E0B7L, 0x7CC43B81L, 0xD2ADA8D9L, - 0x165FA266L, 0x80957705L, 0x93CC7314L, 0x211A1477L, - 0xE6AD2065L, 0x77B5FA86L, 0xC75442F5L, 0xFB9D35CFL, - 0xEBCDAF0CL, 0x7B3E89A0L, 0xD6411BD3L, 0xAE1E7E49L, - 0x00250E2DL, 0x2071B35EL, 0x226800BBL, 0x57B8E0AFL, - 0x2464369BL, 0xF009B91EL, 0x5563911DL, 0x59DFA6AAL, - 0x78C14389L, 0xD95A537FL, 0x207D5BA2L, 0x02E5B9C5L, - 0x83260376L, 0x6295CFA9L, 0x11C81968L, 0x4E734A41L, - 0xB3472DCAL, 0x7B14A94AL, 0x1B510052L, 0x9A532915L, - 0xD60F573FL, 0xBC9BC6E4L, 0x2B60A476L, 0x81E67400L, - 0x08BA6FB5L, 0x571BE91FL, 0xF296EC6BL, 0x2A0DD915L, - 0xB6636521L, 0xE7B9F9B6L, 0xFF34052EL, 0xC5855664L, - 0x53B02D5DL, 0xA99F8FA1L, 0x08BA4799L, 0x6E85076AL }, - { 0x4B7A70E9L, 0xB5B32944L, 0xDB75092EL, 0xC4192623L, - 0xAD6EA6B0L, 0x49A7DF7DL, 0x9CEE60B8L, 0x8FEDB266L, - 0xECAA8C71L, 0x699A17FFL, 0x5664526CL, 0xC2B19EE1L, - 0x193602A5L, 0x75094C29L, 0xA0591340L, 0xE4183A3EL, - 0x3F54989AL, 0x5B429D65L, 0x6B8FE4D6L, 0x99F73FD6L, - 0xA1D29C07L, 0xEFE830F5L, 0x4D2D38E6L, 0xF0255DC1L, - 0x4CDD2086L, 0x8470EB26L, 0x6382E9C6L, 0x021ECC5EL, - 0x09686B3FL, 0x3EBAEFC9L, 0x3C971814L, 0x6B6A70A1L, - 0x687F3584L, 0x52A0E286L, 0xB79C5305L, 0xAA500737L, - 0x3E07841CL, 0x7FDEAE5CL, 0x8E7D44ECL, 0x5716F2B8L, - 0xB03ADA37L, 0xF0500C0DL, 0xF01C1F04L, 0x0200B3FFL, - 0xAE0CF51AL, 0x3CB574B2L, 0x25837A58L, 0xDC0921BDL, - 0xD19113F9L, 0x7CA92FF6L, 0x94324773L, 0x22F54701L, - 0x3AE5E581L, 0x37C2DADCL, 0xC8B57634L, 0x9AF3DDA7L, - 0xA9446146L, 0x0FD0030EL, 0xECC8C73EL, 0xA4751E41L, - 0xE238CD99L, 0x3BEA0E2FL, 0x3280BBA1L, 0x183EB331L, - 0x4E548B38L, 0x4F6DB908L, 0x6F420D03L, 0xF60A04BFL, - 0x2CB81290L, 0x24977C79L, 0x5679B072L, 0xBCAF89AFL, - 0xDE9A771FL, 0xD9930810L, 0xB38BAE12L, 0xDCCF3F2EL, - 0x5512721FL, 0x2E6B7124L, 0x501ADDE6L, 0x9F84CD87L, - 0x7A584718L, 0x7408DA17L, 0xBC9F9ABCL, 0xE94B7D8CL, - 0xEC7AEC3AL, 0xDB851DFAL, 0x63094366L, 0xC464C3D2L, - 0xEF1C1847L, 0x3215D908L, 0xDD433B37L, 0x24C2BA16L, - 0x12A14D43L, 0x2A65C451L, 0x50940002L, 0x133AE4DDL, - 0x71DFF89EL, 0x10314E55L, 0x81AC77D6L, 0x5F11199BL, - 0x043556F1L, 0xD7A3C76BL, 0x3C11183BL, 0x5924A509L, - 0xF28FE6EDL, 0x97F1FBFAL, 0x9EBABF2CL, 0x1E153C6EL, - 0x86E34570L, 0xEAE96FB1L, 0x860E5E0AL, 0x5A3E2AB3L, - 0x771FE71CL, 0x4E3D06FAL, 0x2965DCB9L, 0x99E71D0FL, - 0x803E89D6L, 0x5266C825L, 0x2E4CC978L, 0x9C10B36AL, - 0xC6150EBAL, 0x94E2EA78L, 0xA5FC3C53L, 0x1E0A2DF4L, - 0xF2F74EA7L, 0x361D2B3DL, 0x1939260FL, 0x19C27960L, - 0x5223A708L, 0xF71312B6L, 0xEBADFE6EL, 0xEAC31F66L, - 0xE3BC4595L, 0xA67BC883L, 0xB17F37D1L, 0x018CFF28L, - 0xC332DDEFL, 0xBE6C5AA5L, 0x65582185L, 0x68AB9802L, - 0xEECEA50FL, 0xDB2F953BL, 0x2AEF7DADL, 0x5B6E2F84L, - 0x1521B628L, 0x29076170L, 0xECDD4775L, 0x619F1510L, - 0x13CCA830L, 0xEB61BD96L, 0x0334FE1EL, 0xAA0363CFL, - 0xB5735C90L, 0x4C70A239L, 0xD59E9E0BL, 0xCBAADE14L, - 0xEECC86BCL, 0x60622CA7L, 0x9CAB5CABL, 0xB2F3846EL, - 0x648B1EAFL, 0x19BDF0CAL, 0xA02369B9L, 0x655ABB50L, - 0x40685A32L, 0x3C2AB4B3L, 0x319EE9D5L, 0xC021B8F7L, - 0x9B540B19L, 0x875FA099L, 0x95F7997EL, 0x623D7DA8L, - 0xF837889AL, 0x97E32D77L, 0x11ED935FL, 0x16681281L, - 0x0E358829L, 0xC7E61FD6L, 0x96DEDFA1L, 0x7858BA99L, - 0x57F584A5L, 0x1B227263L, 0x9B83C3FFL, 0x1AC24696L, - 0xCDB30AEBL, 0x532E3054L, 0x8FD948E4L, 0x6DBC3128L, - 0x58EBF2EFL, 0x34C6FFEAL, 0xFE28ED61L, 0xEE7C3C73L, - 0x5D4A14D9L, 0xE864B7E3L, 0x42105D14L, 0x203E13E0L, - 0x45EEE2B6L, 0xA3AAABEAL, 0xDB6C4F15L, 0xFACB4FD0L, - 0xC742F442L, 0xEF6ABBB5L, 0x654F3B1DL, 0x41CD2105L, - 0xD81E799EL, 0x86854DC7L, 0xE44B476AL, 0x3D816250L, - 0xCF62A1F2L, 0x5B8D2646L, 0xFC8883A0L, 0xC1C7B6A3L, - 0x7F1524C3L, 0x69CB7492L, 0x47848A0BL, 0x5692B285L, - 0x095BBF00L, 0xAD19489DL, 0x1462B174L, 0x23820E00L, - 0x58428D2AL, 0x0C55F5EAL, 0x1DADF43EL, 0x233F7061L, - 0x3372F092L, 0x8D937E41L, 0xD65FECF1L, 0x6C223BDBL, - 0x7CDE3759L, 0xCBEE7460L, 0x4085F2A7L, 0xCE77326EL, - 0xA6078084L, 0x19F8509EL, 0xE8EFD855L, 0x61D99735L, - 0xA969A7AAL, 0xC50C06C2L, 0x5A04ABFCL, 0x800BCADCL, - 0x9E447A2EL, 0xC3453484L, 0xFDD56705L, 0x0E1E9EC9L, - 0xDB73DBD3L, 0x105588CDL, 0x675FDA79L, 0xE3674340L, - 0xC5C43465L, 0x713E38D8L, 0x3D28F89EL, 0xF16DFF20L, - 0x153E21E7L, 0x8FB03D4AL, 0xE6E39F2BL, 0xDB83ADF7L }, - { 0xE93D5A68L, 0x948140F7L, 0xF64C261CL, 0x94692934L, - 0x411520F7L, 0x7602D4F7L, 0xBCF46B2EL, 0xD4A20068L, - 0xD4082471L, 0x3320F46AL, 0x43B7D4B7L, 0x500061AFL, - 0x1E39F62EL, 0x97244546L, 0x14214F74L, 0xBF8B8840L, - 0x4D95FC1DL, 0x96B591AFL, 0x70F4DDD3L, 0x66A02F45L, - 0xBFBC09ECL, 0x03BD9785L, 0x7FAC6DD0L, 0x31CB8504L, - 0x96EB27B3L, 0x55FD3941L, 0xDA2547E6L, 0xABCA0A9AL, - 0x28507825L, 0x530429F4L, 0x0A2C86DAL, 0xE9B66DFBL, - 0x68DC1462L, 0xD7486900L, 0x680EC0A4L, 0x27A18DEEL, - 0x4F3FFEA2L, 0xE887AD8CL, 0xB58CE006L, 0x7AF4D6B6L, - 0xAACE1E7CL, 0xD3375FECL, 0xCE78A399L, 0x406B2A42L, - 0x20FE9E35L, 0xD9F385B9L, 0xEE39D7ABL, 0x3B124E8BL, - 0x1DC9FAF7L, 0x4B6D1856L, 0x26A36631L, 0xEAE397B2L, - 0x3A6EFA74L, 0xDD5B4332L, 0x6841E7F7L, 0xCA7820FBL, - 0xFB0AF54EL, 0xD8FEB397L, 0x454056ACL, 0xBA489527L, - 0x55533A3AL, 0x20838D87L, 0xFE6BA9B7L, 0xD096954BL, - 0x55A867BCL, 0xA1159A58L, 0xCCA92963L, 0x99E1DB33L, - 0xA62A4A56L, 0x3F3125F9L, 0x5EF47E1CL, 0x9029317CL, - 0xFDF8E802L, 0x04272F70L, 0x80BB155CL, 0x05282CE3L, - 0x95C11548L, 0xE4C66D22L, 0x48C1133FL, 0xC70F86DCL, - 0x07F9C9EEL, 0x41041F0FL, 0x404779A4L, 0x5D886E17L, - 0x325F51EBL, 0xD59BC0D1L, 0xF2BCC18FL, 0x41113564L, - 0x257B7834L, 0x602A9C60L, 0xDFF8E8A3L, 0x1F636C1BL, - 0x0E12B4C2L, 0x02E1329EL, 0xAF664FD1L, 0xCAD18115L, - 0x6B2395E0L, 0x333E92E1L, 0x3B240B62L, 0xEEBEB922L, - 0x85B2A20EL, 0xE6BA0D99L, 0xDE720C8CL, 0x2DA2F728L, - 0xD0127845L, 0x95B794FDL, 0x647D0862L, 0xE7CCF5F0L, - 0x5449A36FL, 0x877D48FAL, 0xC39DFD27L, 0xF33E8D1EL, - 0x0A476341L, 0x992EFF74L, 0x3A6F6EABL, 0xF4F8FD37L, - 0xA812DC60L, 0xA1EBDDF8L, 0x991BE14CL, 0xDB6E6B0DL, - 0xC67B5510L, 0x6D672C37L, 0x2765D43BL, 0xDCD0E804L, - 0xF1290DC7L, 0xCC00FFA3L, 0xB5390F92L, 0x690FED0BL, - 0x667B9FFBL, 0xCEDB7D9CL, 0xA091CF0BL, 0xD9155EA3L, - 0xBB132F88L, 0x515BAD24L, 0x7B9479BFL, 0x763BD6EBL, - 0x37392EB3L, 0xCC115979L, 0x8026E297L, 0xF42E312DL, - 0x6842ADA7L, 0xC66A2B3BL, 0x12754CCCL, 0x782EF11CL, - 0x6A124237L, 0xB79251E7L, 0x06A1BBE6L, 0x4BFB6350L, - 0x1A6B1018L, 0x11CAEDFAL, 0x3D25BDD8L, 0xE2E1C3C9L, - 0x44421659L, 0x0A121386L, 0xD90CEC6EL, 0xD5ABEA2AL, - 0x64AF674EL, 0xDA86A85FL, 0xBEBFE988L, 0x64E4C3FEL, - 0x9DBC8057L, 0xF0F7C086L, 0x60787BF8L, 0x6003604DL, - 0xD1FD8346L, 0xF6381FB0L, 0x7745AE04L, 0xD736FCCCL, - 0x83426B33L, 0xF01EAB71L, 0xB0804187L, 0x3C005E5FL, - 0x77A057BEL, 0xBDE8AE24L, 0x55464299L, 0xBF582E61L, - 0x4E58F48FL, 0xF2DDFDA2L, 0xF474EF38L, 0x8789BDC2L, - 0x5366F9C3L, 0xC8B38E74L, 0xB475F255L, 0x46FCD9B9L, - 0x7AEB2661L, 0x8B1DDF84L, 0x846A0E79L, 0x915F95E2L, - 0x466E598EL, 0x20B45770L, 0x8CD55591L, 0xC902DE4CL, - 0xB90BACE1L, 0xBB8205D0L, 0x11A86248L, 0x7574A99EL, - 0xB77F19B6L, 0xE0A9DC09L, 0x662D09A1L, 0xC4324633L, - 0xE85A1F02L, 0x09F0BE8CL, 0x4A99A025L, 0x1D6EFE10L, - 0x1AB93D1DL, 0x0BA5A4DFL, 0xA186F20FL, 0x2868F169L, - 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- -static unsigned long F(BFCtx *ctx, unsigned long x) { - unsigned short a, b, c, d; - unsigned long y; - - d = (unsigned short)(x & 0xFF); - x >>= 8; - c = (unsigned short)(x & 0xFF); - x >>= 8; - b = (unsigned short)(x & 0xFF); - x >>= 8; - a = (unsigned short)(x & 0xFF); - y = ctx->S[0][a] + ctx->S[1][b]; - y = y ^ ctx->S[2][c]; - y = y + ctx->S[3][d]; - - return y; -} - - -static void Blowfish_Encrypt(BFCtx *ctx, unsigned long *xl, unsigned long *xr) { - unsigned long Xl; - unsigned long Xr; - unsigned long temp; - short i; - - Xl = *xl; - Xr = *xr; - - for (i = 0; i < N; ++i) { - Xl = Xl ^ ctx->P[i]; - Xr = F(ctx, Xl) ^ Xr; - - temp = Xl; - Xl = Xr; - Xr = temp; - } - - temp = Xl; - Xl = Xr; - Xr = temp; - - Xr = Xr ^ ctx->P[N]; - Xl = Xl ^ ctx->P[N + 1]; - - *xl = Xl; - *xr = Xr; -} - - -static void Blowfish_Decrypt(BFCtx *ctx, unsigned long *xl, unsigned long *xr) { - unsigned long Xl; - unsigned long Xr; - unsigned long temp; - short i; - - Xl = *xl; - Xr = *xr; - - for (i = N + 1; i > 1; --i) { - Xl = Xl ^ ctx->P[i]; - Xr = F(ctx, Xl) ^ Xr; - - /* Exchange Xl and Xr */ - temp = Xl; - Xl = Xr; - Xr = temp; - } - - /* Exchange Xl and Xr */ - temp = Xl; - Xl = Xr; - Xr = temp; - - Xr = Xr ^ ctx->P[1]; - Xl = Xl ^ ctx->P[0]; - - *xl = Xl; - *xr = Xr; -} - - -static void Blowfish_Init(BFCtx *ctx, unsigned char *key, int keyLen) { - int i, j, k; - unsigned long data, datal, datar; - - for (i = 0; i < 4; i++) { - for (j = 0; j < 256; j++) - ctx->S[i][j] = ORIG_S[i][j]; - } - - j = 0; - for (i = 0; i < N + 2; ++i) { - data = 0x00000000; - for (k = 0; k < 4; ++k) { - data = (data << 8) | key[j]; - j = j + 1; - if (j >= keyLen) - j = 0; - } - ctx->P[i] = ORIG_P[i] ^ data; - } - - datal = 0x00000000; - datar = 0x00000000; - - for (i = 0; i < N + 2; i += 2) { - Blowfish_Encrypt(ctx, &datal, &datar); - ctx->P[i] = datal; - ctx->P[i + 1] = datar; - } - - for (i = 0; i < 4; ++i) { - for (j = 0; j < 256; j += 2) { - Blowfish_Encrypt(ctx, &datal, &datar); - ctx->S[i][j] = datal; - ctx->S[i][j + 1] = datar; - } - } -} - -static void Xor_Block(unsigned char *buf, unsigned char *block) { - uint8_t i; - - for (i = 0; i < BF_BLOCKLEN; ++i) { - buf[i] ^= block[i]; - } -} - -/*****************************************************************************/ -/* Public functions: */ -/*****************************************************************************/ -void bf_init(BFCtx *ctx, uint8_t *key) { - Blowfish_Init(ctx, key, BF_KEYLEN); -} - -void bf_ecb_encrypt(BFCtx *ctx, uint8_t *buf) { - unsigned long xl, xr; - - xl = (buf[0] << 24) | - (buf[1] << 16) | - (buf[2] << 8) | - (buf[3]); - xr = (buf[4] << 24) | - (buf[5] << 16) | - (buf[6] << 8) | - (buf[7]); - - Blowfish_Encrypt(ctx, &xl, &xr); - - buf[0] = (xl & 0xFF000000) >> 24; - buf[1] = (xl & 0x00FF0000) >> 16; - buf[2] = (xl & 0x0000FF00) >> 8; - buf[3] = (xl & 0x000000FF); - buf[4] = (xr & 0xFF000000) >> 24; - buf[5] = (xr & 0x00FF0000) >> 16; - buf[6] = (xr & 0x0000FF00) >> 8; - buf[7] = (xr & 0x000000FF); -} - -void bf_ecb_decrypt(BFCtx *ctx, uint8_t *buf) { - unsigned long xl, xr; - - xl = (buf[0] << 24) | - (buf[1] << 16) | - (buf[2] << 8) | - (buf[3]); - xr = (buf[4] << 24) | - (buf[5] << 16) | - (buf[6] << 8) | - (buf[7]); - - Blowfish_Decrypt(ctx, &xl, &xr); - - buf[0] = (xl & 0xFF000000) >> 24; - buf[1] = (xl & 0x00FF0000) >> 16; - buf[2] = (xl & 0x0000FF00) >> 8; - buf[3] = (xl & 0x000000FF); - buf[4] = (xr & 0xFF000000) >> 24; - buf[5] = (xr & 0x00FF0000) >> 16; - buf[6] = (xr & 0x0000FF00) >> 8; - buf[7] = (xr & 0x000000FF); -} - -void bf_cbc_encrypt(BFCtx *ctx, uint8_t *iv, uint8_t *buf, size_t length) { - size_t i; - uint8_t *block = iv; - - for (i = 0; i < length; i += BF_BLOCKLEN) { - Xor_Block(buf, block); - bf_ecb_encrypt(ctx, buf); - block = buf; - buf += BF_BLOCKLEN; - } -} - -void bf_cbc_decrypt(BFCtx *ctx, uint8_t *iv, uint8_t *buf, size_t length) { - size_t i; - uint8_t block[BF_BLOCKLEN]; - uint8_t block_next[BF_BLOCKLEN]; - - memcpy(block, iv, BF_BLOCKLEN); - for (i = 0; i < length; i += BF_BLOCKLEN) { - memcpy(block_next, buf, BF_BLOCKLEN); - bf_ecb_decrypt(ctx, buf); - Xor_Block(buf, block); - memcpy(block, block_next, BF_BLOCKLEN); - buf += BF_BLOCKLEN; - } -} diff --git a/ext/blowfish/blowfish.h b/ext/blowfish/blowfish.h deleted file mode 100644 index a317812..0000000 --- a/ext/blowfish/blowfish.h +++ /dev/null @@ -1,38 +0,0 @@ -/* -blowfish.h: Header file for blowfish.c - -Copyright (C) 1997 by Paul Kocher - -This library is free software; you can redistribute it and/or -modify it under the terms of the GNU Lesser General Public -License as published by the Free Software Foundation; either -version 2.1 of the License, or (at your option) any later version. -This library is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -Lesser General Public License for more details. -You should have received a copy of the GNU Lesser General Public -License along with this library; if not, write to the Free Software -Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - - -See blowfish.c for more information about this file. -*/ - -#include -#include - -#define BF_KEYLEN 16 -#define BF_BLOCKLEN 8 - -typedef struct { - unsigned long P[16 + 2]; - unsigned long S[4][256]; -} BFCtx; - -void bf_init(BFCtx *ctx, uint8_t *key); -void bf_ecb_encrypt(BFCtx *ctx, uint8_t *buf); -void bf_ecb_decrypt(BFCtx *ctx, uint8_t *buf); -void bf_cbc_decrypt(BFCtx *ctx, uint8_t *iv, uint8_t *buf, size_t length); -void bf_cbc_encrypt(BFCtx *ctx, uint8_t *iv, uint8_t *buf, size_t length); - -- cgit v1.2.3