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File: [cvs.NetBSD.org] / src / lib / libcrypt / blowfish.c (download)

Revision 1.4, Sat Dec 24 21:11:16 2005 UTC (14 years, 7 months ago) by perry
Branch: MAIN
CVS Tags: yamt-pf42-baseX, yamt-pf42-base4, yamt-pf42-base3, yamt-pf42-base2, yamt-pf42-base, yamt-pf42, yamt-pagecache-tag8, yamt-pagecache-base9, yamt-pagecache-base8, yamt-pagecache-base7, yamt-pagecache-base6, yamt-pagecache-base5, yamt-pagecache-base4, yamt-pagecache-base3, yamt-pagecache-base2, yamt-pagecache-base, yamt-pagecache, wrstuden-revivesa-base-3, wrstuden-revivesa-base-2, wrstuden-revivesa-base-1, wrstuden-revivesa-base, wrstuden-revivesa, wrstuden-fixsa-newbase, wrstuden-fixsa-base-1, wrstuden-fixsa-base, wrstuden-fixsa, tls-maxphys-base, tls-maxphys, tls-earlyentropy-base, tls-earlyentropy, riastradh-xf86-video-intel-2-7-1-pre-2-21-15, riastradh-drm2-base3, riastradh-drm2-base2, riastradh-drm2-base1, riastradh-drm2-base, riastradh-drm2, prg-localcount2-base3, prg-localcount2-base2, prg-localcount2-base1, prg-localcount2-base, prg-localcount2, phil-wifi-base, phil-wifi-20200421, phil-wifi-20200411, phil-wifi-20200406, phil-wifi-20191119, phil-wifi-20190609, phil-wifi, pgoyette-localcount-base, pgoyette-localcount-20170426, pgoyette-localcount-20170320, pgoyette-localcount-20170107, pgoyette-localcount-20161104, pgoyette-localcount-20160806, pgoyette-localcount-20160726, pgoyette-localcount, pgoyette-compat-merge-20190127, pgoyette-compat-base, pgoyette-compat-20190127, pgoyette-compat-20190118, pgoyette-compat-1226, pgoyette-compat-1126, pgoyette-compat-1020, pgoyette-compat-0930, pgoyette-compat-0906, pgoyette-compat-0728, pgoyette-compat-0625, pgoyette-compat-0521, pgoyette-compat-0502, pgoyette-compat-0422, pgoyette-compat-0415, pgoyette-compat-0407, pgoyette-compat-0330, pgoyette-compat-0322, pgoyette-compat-0315, pgoyette-compat, perseant-stdc-iso10646-base, perseant-stdc-iso10646, netbsd-9-base, netbsd-9-0-RELEASE, netbsd-9-0-RC2, netbsd-9-0-RC1, netbsd-9, netbsd-8-base, netbsd-8-2-RELEASE, netbsd-8-1-RELEASE, netbsd-8-1-RC1, netbsd-8-0-RELEASE, netbsd-8-0-RC2, netbsd-8-0-RC1, netbsd-8, netbsd-7-nhusb-base-20170116, netbsd-7-nhusb-base, netbsd-7-nhusb, netbsd-7-base, netbsd-7-2-RELEASE, netbsd-7-1-RELEASE, netbsd-7-1-RC2, netbsd-7-1-RC1, netbsd-7-1-2-RELEASE, netbsd-7-1-1-RELEASE, netbsd-7-1, netbsd-7-0-RELEASE, netbsd-7-0-RC3, netbsd-7-0-RC2, netbsd-7-0-RC1, netbsd-7-0-2-RELEASE, netbsd-7-0-1-RELEASE, netbsd-7-0, netbsd-7, netbsd-6-base, netbsd-6-1-RELEASE, netbsd-6-1-RC4, netbsd-6-1-RC3, netbsd-6-1-RC2, netbsd-6-1-RC1, netbsd-6-1-5-RELEASE, netbsd-6-1-4-RELEASE, netbsd-6-1-3-RELEASE, netbsd-6-1-2-RELEASE, netbsd-6-1-1-RELEASE, netbsd-6-1, netbsd-6-0-RELEASE, netbsd-6-0-RC2, netbsd-6-0-RC1, netbsd-6-0-6-RELEASE, netbsd-6-0-5-RELEASE, netbsd-6-0-4-RELEASE, netbsd-6-0-3-RELEASE, netbsd-6-0-2-RELEASE, netbsd-6-0-1-RELEASE, netbsd-6-0, netbsd-6, netbsd-5-base, netbsd-5-2-RELEASE, netbsd-5-2-RC1, netbsd-5-2-3-RELEASE, netbsd-5-2-2-RELEASE, netbsd-5-2-1-RELEASE, netbsd-5-2, netbsd-5-1-RELEASE, netbsd-5-1-RC4, netbsd-5-1-RC3, netbsd-5-1-RC2, netbsd-5-1-RC1, netbsd-5-1-5-RELEASE, netbsd-5-1-4-RELEASE, netbsd-5-1-3-RELEASE, netbsd-5-1-2-RELEASE, netbsd-5-1-1-RELEASE, netbsd-5-1, netbsd-5-0-RELEASE, netbsd-5-0-RC4, netbsd-5-0-RC3, netbsd-5-0-RC2, netbsd-5-0-RC1, netbsd-5-0-2-RELEASE, netbsd-5-0-1-RELEASE, netbsd-5-0, netbsd-5, netbsd-4-base, netbsd-4-0-RELEASE, netbsd-4-0-RC5, netbsd-4-0-RC4, netbsd-4-0-RC3, netbsd-4-0-RC2, netbsd-4-0-RC1, netbsd-4-0-1-RELEASE, netbsd-4-0, netbsd-4, mjf-devfs2-base, mjf-devfs2, matt-premerge-20091211, matt-nb8-mediatek-base, matt-nb8-mediatek, matt-nb6-plus-nbase, matt-nb6-plus-base, matt-nb6-plus, matt-nb5-pq3-base, matt-nb5-pq3, matt-nb5-mips64-u2-k2-k4-k7-k8-k9, matt-nb5-mips64-u1-k1-k5, matt-nb5-mips64-premerge-20101231, matt-nb5-mips64-premerge-20091211, matt-nb5-mips64-k15, matt-nb5-mips64, matt-nb4-mips64-k7-u2a-k9b, matt-mips64-premerge-20101231, matt-mips64-base2, matt-mips64-base, matt-mips64, matt-armv6-prevmlocking, matt-armv6-nbase, matt-armv6-base, matt-armv6, localcount-20160914, keiichi-mipv6-base, keiichi-mipv6, jym-xensuspend-nbase, jym-xensuspend-base, jym-xensuspend, is-mlppp-base, is-mlppp, hpcarm-cleanup-nbase, hpcarm-cleanup-base, hpcarm-cleanup, cube-autoconf-base, cube-autoconf, cherry-xenmp-base, cherry-xenmp, bouyer-socketcan-base1, bouyer-socketcan-base, bouyer-socketcan, bouyer-quota2-nbase, bouyer-quota2-base, bouyer-quota2, agc-symver-base, agc-symver, abandoned-netbsd-4-base, abandoned-netbsd-4, HEAD
Changes since 1.3: +2 -8 lines

Remove leading __ from __(const|inline|signed|volatile) -- it is obsolete.

/*	$NetBSD: blowfish.c,v 1.4 2005/12/24 21:11:16 perry Exp $	*/
/* $OpenBSD: blowfish.c,v 1.16 2002/02/19 19:39:36 millert Exp $ */
/*
 * Blowfish block cipher for OpenBSD
 * Copyright 1997 Niels Provos <provos@physnet.uni-hamburg.de>
 * All rights reserved.
 *
 * Implementation advice by David Mazieres <dm@lcs.mit.edu>.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *      This product includes software developed by Niels Provos.
 * 4. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

/*
 * This code is derived from section 14.3 and the given source
 * in section V of Applied Cryptography, second edition.
 * Blowfish is an unpatented fast block cipher designed by
 * Bruce Schneier.
 */

/*
 * Note: This has been trimmed down to only what is needed by
 * __bcrypt().  Also note that this file is actually included
 * directly by bcrypt.c, not built separately.
 */

__RCSID("$NetBSD: blowfish.c,v 1.4 2005/12/24 21:11:16 perry Exp $");

#include <sys/types.h>

/* Schneier specifies a maximum key length of 56 bytes.
 * This ensures that every key bit affects every cipher
 * bit.  However, the subkeys can hold up to 72 bytes.
 * Warning: For normal blowfish encryption only 56 bytes
 * of the key affect all cipherbits.
 */

#define BLF_N	16			/* Number of Subkeys */
#define BLF_MAXKEYLEN ((BLF_N-2)*4)	/* 448 bits */

/* Blowfish context */
typedef struct BlowfishContext {
	u_int32_t S[4][256];	/* S-Boxes */
	u_int32_t P[BLF_N + 2];	/* Subkeys */
} blf_ctx;


/* Function for Feistel Networks */

#define F(s, x) ((((s)[        (((x)>>24)&0xFF)]  \
		 + (s)[0x100 + (((x)>>16)&0xFF)]) \
		 ^ (s)[0x200 + (((x)>> 8)&0xFF)]) \
		 + (s)[0x300 + ( (x)     &0xFF)])

#define BLFRND(s,p,i,j,n) (i ^= F(s,j) ^ (p)[n])

static void
Blowfish_encipher(blf_ctx *c, u_int32_t *xl, u_int32_t *xr)
{
	u_int32_t Xl;
	u_int32_t Xr;
	u_int32_t *s = c->S[0];
	u_int32_t *p = c->P;

	Xl = *xl;
	Xr = *xr;

	Xl ^= p[0];
	BLFRND(s, p, Xr, Xl, 1); BLFRND(s, p, Xl, Xr, 2);
	BLFRND(s, p, Xr, Xl, 3); BLFRND(s, p, Xl, Xr, 4);
	BLFRND(s, p, Xr, Xl, 5); BLFRND(s, p, Xl, Xr, 6);
	BLFRND(s, p, Xr, Xl, 7); BLFRND(s, p, Xl, Xr, 8);
	BLFRND(s, p, Xr, Xl, 9); BLFRND(s, p, Xl, Xr, 10);
	BLFRND(s, p, Xr, Xl, 11); BLFRND(s, p, Xl, Xr, 12);
	BLFRND(s, p, Xr, Xl, 13); BLFRND(s, p, Xl, Xr, 14);
	BLFRND(s, p, Xr, Xl, 15); BLFRND(s, p, Xl, Xr, 16);

	*xl = Xr ^ p[17];
	*xr = Xl;
}

static void
Blowfish_initstate(blf_ctx *c)
{

/* P-box and S-box tables initialized with digits of Pi */

	static const blf_ctx init_state =

	{ {
		{
			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},
		{
			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},
		{
			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},
		{
			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}
	},
	{
		0x243f6a88, 0x85a308d3, 0x13198a2e, 0x03707344,
		0xa4093822, 0x299f31d0, 0x082efa98, 0xec4e6c89,
		0x452821e6, 0x38d01377, 0xbe5466cf, 0x34e90c6c,
		0xc0ac29b7, 0xc97c50dd, 0x3f84d5b5, 0xb5470917,
		0x9216d5d9, 0x8979fb1b
	} };

	*c = init_state;

}

static u_int32_t
Blowfish_stream2word(const u_int8_t *data, u_int16_t databytes, u_int16_t *current)
{
	u_int8_t i;
	u_int16_t j;
	u_int32_t temp;

	temp = 0x00000000;
	j = *current;

	for (i = 0; i < 4; i++, j++) {
		if (j >= databytes)
			j = 0;
		temp = (temp << 8) | data[j];
	}

	*current = j;
	return temp;
}

static void
Blowfish_expand0state(blf_ctx *c, const u_int8_t *key, u_int16_t keybytes)
{
	u_int16_t i;
	u_int16_t j;
	u_int16_t k;
	u_int32_t temp;
	u_int32_t datal;
	u_int32_t datar;

	j = 0;
	for (i = 0; i < BLF_N + 2; i++) {
		/* Extract 4 int8 to 1 int32 from keystream */
		temp = Blowfish_stream2word(key, keybytes, &j);
		c->P[i] = c->P[i] ^ temp;
	}

	j = 0;
	datal = 0x00000000;
	datar = 0x00000000;
	for (i = 0; i < BLF_N + 2; i += 2) {
		Blowfish_encipher(c, &datal, &datar);

		c->P[i] = datal;
		c->P[i + 1] = datar;
	}

	for (i = 0; i < 4; i++) {
		for (k = 0; k < 256; k += 2) {
			Blowfish_encipher(c, &datal, &datar);

			c->S[i][k] = datal;
			c->S[i][k + 1] = datar;
		}
	}
}


static void
Blowfish_expandstate(blf_ctx *c, const u_int8_t *data, u_int16_t databytes,
		     const u_int8_t *key, u_int16_t keybytes)
{
	u_int16_t i;
	u_int16_t j;
	u_int16_t k;
	u_int32_t temp;
	u_int32_t datal;
	u_int32_t datar;

	j = 0;
	for (i = 0; i < BLF_N + 2; i++) {
		/* Extract 4 int8 to 1 int32 from keystream */
		temp = Blowfish_stream2word(key, keybytes, &j);
		c->P[i] = c->P[i] ^ temp;
	}

	j = 0;
	datal = 0x00000000;
	datar = 0x00000000;
	for (i = 0; i < BLF_N + 2; i += 2) {
		datal ^= Blowfish_stream2word(data, databytes, &j);
		datar ^= Blowfish_stream2word(data, databytes, &j);
		Blowfish_encipher(c, &datal, &datar);

		c->P[i] = datal;
		c->P[i + 1] = datar;
	}

	for (i = 0; i < 4; i++) {
		for (k = 0; k < 256; k += 2) {
			datal ^= Blowfish_stream2word(data, databytes, &j);
			datar ^= Blowfish_stream2word(data, databytes, &j);
			Blowfish_encipher(c, &datal, &datar);

			c->S[i][k] = datal;
			c->S[i][k + 1] = datar;
		}
	}

}

static void
blf_enc(blf_ctx *c, u_int32_t *data, u_int16_t blocks)
{
	u_int32_t *d;
	u_int16_t i;

	d = data;
	for (i = 0; i < blocks; i++) {
		Blowfish_encipher(c, d, d + 1);
		d += 2;
	}
}