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-rw-r--r--lib/libc/crypt/arc4random.c198
-rw-r--r--lib/libc/crypt/arc4random_uniform.c57
-rw-r--r--lib/libc/crypt/blowfish.c698
-rw-r--r--lib/libc/crypt/chacha_private.h222
4 files changed, 1175 insertions, 0 deletions
diff --git a/lib/libc/crypt/arc4random.c b/lib/libc/crypt/arc4random.c
new file mode 100644
index 0000000..1a16bd3
--- /dev/null
+++ b/lib/libc/crypt/arc4random.c
@@ -0,0 +1,198 @@
+/* $OpenBSD: arc4random.c,v 1.55 2019/03/24 17:56:54 deraadt Exp $ */
+
+/*
+ * Copyright (c) 1996, David Mazieres <dm@uun.org>
+ * Copyright (c) 2008, Damien Miller <djm@openbsd.org>
+ * Copyright (c) 2013, Markus Friedl <markus@openbsd.org>
+ * Copyright (c) 2014, Theo de Raadt <deraadt@openbsd.org>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/*
+ * ChaCha based random number generator for OpenBSD.
+ */
+
+#include <fcntl.h>
+#include <limits.h>
+#include <signal.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/time.h>
+
+#define KEYSTREAM_ONLY
+#include "chacha_private.h"
+
+#define minimum(a, b) ((a) < (b) ? (a) : (b))
+
+#if defined(__GNUC__) || defined(_MSC_VER)
+#define inline __inline
+#else /* __GNUC__ || _MSC_VER */
+#define inline
+#endif /* !__GNUC__ && !_MSC_VER */
+
+#define KEYSZ 32
+#define IVSZ 8
+#define BLOCKSZ 64
+#define RSBUFSZ (16*BLOCKSZ)
+
+/* Marked MAP_INHERIT_ZERO, so zero'd out in fork children. */
+static struct _rs {
+ size_t rs_have; /* valid bytes at end of rs_buf */
+ size_t rs_count; /* bytes till reseed */
+} *rs;
+
+/* Maybe be preserved in fork children, if _rs_allocate() decides. */
+static struct _rsx {
+ chacha_ctx rs_chacha; /* chacha context for random keystream */
+ u_char rs_buf[RSBUFSZ]; /* keystream blocks */
+} *rsx;
+
+static inline int _rs_allocate(struct _rs **, struct _rsx **);
+static inline void _rs_forkdetect(void);
+#include "arc4random.h"
+
+static inline void _rs_rekey(u_char *dat, size_t datlen);
+
+static inline void
+_rs_init(u_char *buf, size_t n)
+{
+ if (n < KEYSZ + IVSZ)
+ return;
+
+ if (rs == NULL) {
+ if (_rs_allocate(&rs, &rsx) == -1)
+ _exit(1);
+ }
+
+ chacha_keysetup(&rsx->rs_chacha, buf, KEYSZ * 8, 0);
+ chacha_ivsetup(&rsx->rs_chacha, buf + KEYSZ);
+}
+
+static void
+_rs_stir(void)
+{
+ u_char rnd[KEYSZ + IVSZ];
+
+ if (getentropy(rnd, sizeof rnd) == -1)
+ _getentropy_fail();
+
+ if (!rs)
+ _rs_init(rnd, sizeof(rnd));
+ else
+ _rs_rekey(rnd, sizeof(rnd));
+ explicit_bzero(rnd, sizeof(rnd)); /* discard source seed */
+
+ /* invalidate rs_buf */
+ rs->rs_have = 0;
+ memset(rsx->rs_buf, 0, sizeof(rsx->rs_buf));
+
+ rs->rs_count = 1600000;
+}
+
+static inline void
+_rs_stir_if_needed(size_t len)
+{
+ _rs_forkdetect();
+ if (!rs || rs->rs_count <= len)
+ _rs_stir();
+ if (rs->rs_count <= len)
+ rs->rs_count = 0;
+ else
+ rs->rs_count -= len;
+}
+
+static inline void
+_rs_rekey(u_char *dat, size_t datlen)
+{
+#ifndef KEYSTREAM_ONLY
+ memset(rsx->rs_buf, 0, sizeof(rsx->rs_buf));
+#endif
+ /* fill rs_buf with the keystream */
+ chacha_encrypt_bytes(&rsx->rs_chacha, rsx->rs_buf,
+ rsx->rs_buf, sizeof(rsx->rs_buf));
+ /* mix in optional user provided data */
+ if (dat) {
+ size_t i, m;
+
+ m = minimum(datlen, KEYSZ + IVSZ);
+ for (i = 0; i < m; i++)
+ rsx->rs_buf[i] ^= dat[i];
+ }
+ /* immediately reinit for backtracking resistance */
+ _rs_init(rsx->rs_buf, KEYSZ + IVSZ);
+ memset(rsx->rs_buf, 0, KEYSZ + IVSZ);
+ rs->rs_have = sizeof(rsx->rs_buf) - KEYSZ - IVSZ;
+}
+
+static inline void
+_rs_random_buf(void *_buf, size_t n)
+{
+ u_char *buf = (u_char *)_buf;
+ u_char *keystream;
+ size_t m;
+
+ _rs_stir_if_needed(n);
+ while (n > 0) {
+ if (rs->rs_have > 0) {
+ m = minimum(n, rs->rs_have);
+ keystream = rsx->rs_buf + sizeof(rsx->rs_buf)
+ - rs->rs_have;
+ memcpy(buf, keystream, m);
+ memset(keystream, 0, m);
+ buf += m;
+ n -= m;
+ rs->rs_have -= m;
+ }
+ if (rs->rs_have == 0)
+ _rs_rekey(NULL, 0);
+ }
+}
+
+static inline void
+_rs_random_u32(uint32_t *val)
+{
+ u_char *keystream;
+
+ _rs_stir_if_needed(sizeof(*val));
+ if (rs->rs_have < sizeof(*val))
+ _rs_rekey(NULL, 0);
+ keystream = rsx->rs_buf + sizeof(rsx->rs_buf) - rs->rs_have;
+ memcpy(val, keystream, sizeof(*val));
+ memset(keystream, 0, sizeof(*val));
+ rs->rs_have -= sizeof(*val);
+}
+
+uint32_t
+arc4random(void)
+{
+ uint32_t val;
+
+ _ARC4_LOCK();
+ _rs_random_u32(&val);
+ _ARC4_UNLOCK();
+ return val;
+}
+DEF_WEAK(arc4random);
+
+void
+arc4random_buf(void *buf, size_t n)
+{
+ _ARC4_LOCK();
+ _rs_random_buf(buf, n);
+ _ARC4_UNLOCK();
+}
+DEF_WEAK(arc4random_buf);
diff --git a/lib/libc/crypt/arc4random_uniform.c b/lib/libc/crypt/arc4random_uniform.c
new file mode 100644
index 0000000..a18b5b1
--- /dev/null
+++ b/lib/libc/crypt/arc4random_uniform.c
@@ -0,0 +1,57 @@
+/* $OpenBSD: arc4random_uniform.c,v 1.3 2019/01/20 02:59:07 bcook Exp $ */
+
+/*
+ * Copyright (c) 2008, Damien Miller <djm@openbsd.org>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <stdint.h>
+#include <stdlib.h>
+
+/*
+ * Calculate a uniformly distributed random number less than upper_bound
+ * avoiding "modulo bias".
+ *
+ * Uniformity is achieved by generating new random numbers until the one
+ * returned is outside the range [0, 2**32 % upper_bound). This
+ * guarantees the selected random number will be inside
+ * [2**32 % upper_bound, 2**32) which maps back to [0, upper_bound)
+ * after reduction modulo upper_bound.
+ */
+uint32_t
+arc4random_uniform(uint32_t upper_bound)
+{
+ uint32_t r, min;
+
+ if (upper_bound < 2)
+ return 0;
+
+ /* 2**32 % x == (2**32 - x) % x */
+ min = -upper_bound % upper_bound;
+
+ /*
+ * This could theoretically loop forever but each retry has
+ * p > 0.5 (worst case, usually far better) of selecting a
+ * number inside the range we need, so it should rarely need
+ * to re-roll.
+ */
+ for (;;) {
+ r = arc4random();
+ if (r >= min)
+ break;
+ }
+
+ return r % upper_bound;
+}
+DEF_WEAK(arc4random_uniform);
diff --git a/lib/libc/crypt/blowfish.c b/lib/libc/crypt/blowfish.c
new file mode 100644
index 0000000..a658e60
--- /dev/null
+++ b/lib/libc/crypt/blowfish.c
@@ -0,0 +1,698 @@
+/* $OpenBSD: blowfish.c,v 1.19 2015/09/11 09:18:27 guenther 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.
+ */
+
+#if 0
+#include <stdio.h> /* used for debugging */
+#include <string.h>
+#endif
+
+#include <sys/types.h>
+#include <blf.h>
+
+#undef inline
+#ifdef __GNUC__
+#define inline __inline
+#else /* !__GNUC__ */
+#define inline
+#endif /* !__GNUC__ */
+
+/* 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])
+
+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;
+}
+DEF_WEAK(Blowfish_encipher);
+
+void
+Blowfish_decipher(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[17];
+ BLFRND(s, p, Xr, Xl, 16); BLFRND(s, p, Xl, Xr, 15);
+ BLFRND(s, p, Xr, Xl, 14); BLFRND(s, p, Xl, Xr, 13);
+ BLFRND(s, p, Xr, Xl, 12); BLFRND(s, p, Xl, Xr, 11);
+ BLFRND(s, p, Xr, Xl, 10); BLFRND(s, p, Xl, Xr, 9);
+ BLFRND(s, p, Xr, Xl, 8); BLFRND(s, p, Xl, Xr, 7);
+ BLFRND(s, p, Xr, Xl, 6); BLFRND(s, p, Xl, Xr, 5);
+ BLFRND(s, p, Xr, Xl, 4); BLFRND(s, p, Xl, Xr, 3);
+ BLFRND(s, p, Xr, Xl, 2); BLFRND(s, p, Xl, Xr, 1);
+
+ *xl = Xr ^ p[0];
+ *xr = Xl;
+}
+DEF_WEAK(Blowfish_decipher);
+
+void
+Blowfish_initstate(blf_ctx *c)
+{
+ /* P-box and S-box tables initialized with digits of Pi */
+
+ static const blf_ctx initstate =
+ { {
+ {
+ 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 = initstate;
+}
+DEF_WEAK(Blowfish_initstate);
+
+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;
+}
+DEF_WEAK(Blowfish_stream2word);
+
+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;
+ }
+ }
+}
+DEF_WEAK(Blowfish_expand0state);
+
+
+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;
+ }
+ }
+
+}
+DEF_WEAK(Blowfish_expandstate);
+
+void
+blf_key(blf_ctx *c, const u_int8_t *k, u_int16_t len)
+{
+ /* Initialize S-boxes and subkeys with Pi */
+ Blowfish_initstate(c);
+
+ /* Transform S-boxes and subkeys with key */
+ Blowfish_expand0state(c, k, len);
+}
+DEF_WEAK(blf_key);
+
+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;
+ }
+}
+DEF_WEAK(blf_enc);
+
+void
+blf_dec(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_decipher(c, d, d + 1);
+ d += 2;
+ }
+}
+DEF_WEAK(blf_dec);
+
+void
+blf_ecb_encrypt(blf_ctx *c, u_int8_t *data, u_int32_t len)
+{
+ u_int32_t l, r;
+ u_int32_t i;
+
+ for (i = 0; i < len; i += 8) {
+ l = data[0] << 24 | data[1] << 16 | data[2] << 8 | data[3];
+ r = data[4] << 24 | data[5] << 16 | data[6] << 8 | data[7];
+ Blowfish_encipher(c, &l, &r);
+ data[0] = l >> 24 & 0xff;
+ data[1] = l >> 16 & 0xff;
+ data[2] = l >> 8 & 0xff;
+ data[3] = l & 0xff;
+ data[4] = r >> 24 & 0xff;
+ data[5] = r >> 16 & 0xff;
+ data[6] = r >> 8 & 0xff;
+ data[7] = r & 0xff;
+ data += 8;
+ }
+}
+DEF_WEAK(blf_ecb_encrypt);
+
+void
+blf_ecb_decrypt(blf_ctx *c, u_int8_t *data, u_int32_t len)
+{
+ u_int32_t l, r;
+ u_int32_t i;
+
+ for (i = 0; i < len; i += 8) {
+ l = data[0] << 24 | data[1] << 16 | data[2] << 8 | data[3];
+ r = data[4] << 24 | data[5] << 16 | data[6] << 8 | data[7];
+ Blowfish_decipher(c, &l, &r);
+ data[0] = l >> 24 & 0xff;
+ data[1] = l >> 16 & 0xff;
+ data[2] = l >> 8 & 0xff;
+ data[3] = l & 0xff;
+ data[4] = r >> 24 & 0xff;
+ data[5] = r >> 16 & 0xff;
+ data[6] = r >> 8 & 0xff;
+ data[7] = r & 0xff;
+ data += 8;
+ }
+}
+DEF_WEAK(blf_ecb_decrypt);
+
+void
+blf_cbc_encrypt(blf_ctx *c, u_int8_t *iv, u_int8_t *data, u_int32_t len)
+{
+ u_int32_t l, r;
+ u_int32_t i, j;
+
+ for (i = 0; i < len; i += 8) {
+ for (j = 0; j < 8; j++)
+ data[j] ^= iv[j];
+ l = data[0] << 24 | data[1] << 16 | data[2] << 8 | data[3];
+ r = data[4] << 24 | data[5] << 16 | data[6] << 8 | data[7];
+ Blowfish_encipher(c, &l, &r);
+ data[0] = l >> 24 & 0xff;
+ data[1] = l >> 16 & 0xff;
+ data[2] = l >> 8 & 0xff;
+ data[3] = l & 0xff;
+ data[4] = r >> 24 & 0xff;
+ data[5] = r >> 16 & 0xff;
+ data[6] = r >> 8 & 0xff;
+ data[7] = r & 0xff;
+ iv = data;
+ data += 8;
+ }
+}
+DEF_WEAK(blf_cbc_encrypt);
+
+void
+blf_cbc_decrypt(blf_ctx *c, u_int8_t *iva, u_int8_t *data, u_int32_t len)
+{
+ u_int32_t l, r;
+ u_int8_t *iv;
+ u_int32_t i, j;
+
+ iv = data + len - 16;
+ data = data + len - 8;
+ for (i = len - 8; i >= 8; i -= 8) {
+ l = data[0] << 24 | data[1] << 16 | data[2] << 8 | data[3];
+ r = data[4] << 24 | data[5] << 16 | data[6] << 8 | data[7];
+ Blowfish_decipher(c, &l, &r);
+ data[0] = l >> 24 & 0xff;
+ data[1] = l >> 16 & 0xff;
+ data[2] = l >> 8 & 0xff;
+ data[3] = l & 0xff;
+ data[4] = r >> 24 & 0xff;
+ data[5] = r >> 16 & 0xff;
+ data[6] = r >> 8 & 0xff;
+ data[7] = r & 0xff;
+ for (j = 0; j < 8; j++)
+ data[j] ^= iv[j];
+ iv -= 8;
+ data -= 8;
+ }
+ l = data[0] << 24 | data[1] << 16 | data[2] << 8 | data[3];
+ r = data[4] << 24 | data[5] << 16 | data[6] << 8 | data[7];
+ Blowfish_decipher(c, &l, &r);
+ data[0] = l >> 24 & 0xff;
+ data[1] = l >> 16 & 0xff;
+ data[2] = l >> 8 & 0xff;
+ data[3] = l & 0xff;
+ data[4] = r >> 24 & 0xff;
+ data[5] = r >> 16 & 0xff;
+ data[6] = r >> 8 & 0xff;
+ data[7] = r & 0xff;
+ for (j = 0; j < 8; j++)
+ data[j] ^= iva[j];
+}
+DEF_WEAK(blf_cbc_decrypt);
+
+#if 0
+void
+report(u_int32_t data[], u_int16_t len)
+{
+ u_int16_t i;
+ for (i = 0; i < len; i += 2)
+ printf("Block %0hd: %08lx %08lx.\n",
+ i / 2, data[i], data[i + 1]);
+}
+void
+main(void)
+{
+
+ blf_ctx c;
+ char key[] = "AAAAA";
+ char key2[] = "abcdefghijklmnopqrstuvwxyz";
+
+ u_int32_t data[10];
+ u_int32_t data2[] =
+ {0x424c4f57l, 0x46495348l};
+
+ u_int16_t i;
+
+ /* First test */
+ for (i = 0; i < 10; i++)
+ data[i] = i;
+
+ blf_key(&c, (u_int8_t *) key, 5);
+ blf_enc(&c, data, 5);
+ blf_dec(&c, data, 1);
+ blf_dec(&c, data + 2, 4);
+ printf("Should read as 0 - 9.\n");
+ report(data, 10);
+
+ /* Second test */
+ blf_key(&c, (u_int8_t *) key2, strlen(key2));
+ blf_enc(&c, data2, 1);
+ printf("\nShould read as: 0x324ed0fe 0xf413a203.\n");
+ report(data2, 2);
+ blf_dec(&c, data2, 1);
+ report(data2, 2);
+}
+#endif
diff --git a/lib/libc/crypt/chacha_private.h b/lib/libc/crypt/chacha_private.h
new file mode 100644
index 0000000..7c3680f
--- /dev/null
+++ b/lib/libc/crypt/chacha_private.h
@@ -0,0 +1,222 @@
+/*
+chacha-merged.c version 20080118
+D. J. Bernstein
+Public domain.
+*/
+
+/* $OpenBSD: chacha_private.h,v 1.2 2013/10/04 07:02:27 djm Exp $ */
+
+typedef unsigned char u8;
+typedef unsigned int u32;
+
+typedef struct
+{
+ u32 input[16]; /* could be compressed */
+} chacha_ctx;
+
+#define U8C(v) (v##U)
+#define U32C(v) (v##U)
+
+#define U8V(v) ((u8)(v) & U8C(0xFF))
+#define U32V(v) ((u32)(v) & U32C(0xFFFFFFFF))
+
+#define ROTL32(v, n) \
+ (U32V((v) << (n)) | ((v) >> (32 - (n))))
+
+#define U8TO32_LITTLE(p) \
+ (((u32)((p)[0]) ) | \
+ ((u32)((p)[1]) << 8) | \
+ ((u32)((p)[2]) << 16) | \
+ ((u32)((p)[3]) << 24))
+
+#define U32TO8_LITTLE(p, v) \
+ do { \
+ (p)[0] = U8V((v) ); \
+ (p)[1] = U8V((v) >> 8); \
+ (p)[2] = U8V((v) >> 16); \
+ (p)[3] = U8V((v) >> 24); \
+ } while (0)
+
+#define ROTATE(v,c) (ROTL32(v,c))
+#define XOR(v,w) ((v) ^ (w))
+#define PLUS(v,w) (U32V((v) + (w)))
+#define PLUSONE(v) (PLUS((v),1))
+
+#define QUARTERROUND(a,b,c,d) \
+ a = PLUS(a,b); d = ROTATE(XOR(d,a),16); \
+ c = PLUS(c,d); b = ROTATE(XOR(b,c),12); \
+ a = PLUS(a,b); d = ROTATE(XOR(d,a), 8); \
+ c = PLUS(c,d); b = ROTATE(XOR(b,c), 7);
+
+static const char sigma[16] = "expand 32-byte k";
+static const char tau[16] = "expand 16-byte k";
+
+static void
+chacha_keysetup(chacha_ctx *x,const u8 *k,u32 kbits,u32 ivbits)
+{
+ const char *constants;
+
+ x->input[4] = U8TO32_LITTLE(k + 0);
+ x->input[5] = U8TO32_LITTLE(k + 4);
+ x->input[6] = U8TO32_LITTLE(k + 8);
+ x->input[7] = U8TO32_LITTLE(k + 12);
+ if (kbits == 256) { /* recommended */
+ k += 16;
+ constants = sigma;
+ } else { /* kbits == 128 */
+ constants = tau;
+ }
+ x->input[8] = U8TO32_LITTLE(k + 0);
+ x->input[9] = U8TO32_LITTLE(k + 4);
+ x->input[10] = U8TO32_LITTLE(k + 8);
+ x->input[11] = U8TO32_LITTLE(k + 12);
+ x->input[0] = U8TO32_LITTLE(constants + 0);
+ x->input[1] = U8TO32_LITTLE(constants + 4);
+ x->input[2] = U8TO32_LITTLE(constants + 8);
+ x->input[3] = U8TO32_LITTLE(constants + 12);
+}
+
+static void
+chacha_ivsetup(chacha_ctx *x,const u8 *iv)
+{
+ x->input[12] = 0;
+ x->input[13] = 0;
+ x->input[14] = U8TO32_LITTLE(iv + 0);
+ x->input[15] = U8TO32_LITTLE(iv + 4);
+}
+
+static void
+chacha_encrypt_bytes(chacha_ctx *x,const u8 *m,u8 *c,u32 bytes)
+{
+ u32 x0, x1, x2, x3, x4, x5, x6, x7, x8, x9, x10, x11, x12, x13, x14, x15;
+ u32 j0, j1, j2, j3, j4, j5, j6, j7, j8, j9, j10, j11, j12, j13, j14, j15;
+ u8 *ctarget = NULL;
+ u8 tmp[64];
+ u_int i;
+
+ if (!bytes) return;
+
+ j0 = x->input[0];
+ j1 = x->input[1];
+ j2 = x->input[2];
+ j3 = x->input[3];
+ j4 = x->input[4];
+ j5 = x->input[5];
+ j6 = x->input[6];
+ j7 = x->input[7];
+ j8 = x->input[8];
+ j9 = x->input[9];
+ j10 = x->input[10];
+ j11 = x->input[11];
+ j12 = x->input[12];
+ j13 = x->input[13];
+ j14 = x->input[14];
+ j15 = x->input[15];
+
+ for (;;) {
+ if (bytes < 64) {
+ for (i = 0;i < bytes;++i) tmp[i] = m[i];
+ m = tmp;
+ ctarget = c;
+ c = tmp;
+ }
+ x0 = j0;
+ x1 = j1;
+ x2 = j2;
+ x3 = j3;
+ x4 = j4;
+ x5 = j5;
+ x6 = j6;
+ x7 = j7;
+ x8 = j8;
+ x9 = j9;
+ x10 = j10;
+ x11 = j11;
+ x12 = j12;
+ x13 = j13;
+ x14 = j14;
+ x15 = j15;
+ for (i = 20;i > 0;i -= 2) {
+ QUARTERROUND( x0, x4, x8,x12)
+ QUARTERROUND( x1, x5, x9,x13)
+ QUARTERROUND( x2, x6,x10,x14)
+ QUARTERROUND( x3, x7,x11,x15)
+ QUARTERROUND( x0, x5,x10,x15)
+ QUARTERROUND( x1, x6,x11,x12)
+ QUARTERROUND( x2, x7, x8,x13)
+ QUARTERROUND( x3, x4, x9,x14)
+ }
+ x0 = PLUS(x0,j0);
+ x1 = PLUS(x1,j1);
+ x2 = PLUS(x2,j2);
+ x3 = PLUS(x3,j3);
+ x4 = PLUS(x4,j4);
+ x5 = PLUS(x5,j5);
+ x6 = PLUS(x6,j6);
+ x7 = PLUS(x7,j7);
+ x8 = PLUS(x8,j8);
+ x9 = PLUS(x9,j9);
+ x10 = PLUS(x10,j10);
+ x11 = PLUS(x11,j11);
+ x12 = PLUS(x12,j12);
+ x13 = PLUS(x13,j13);
+ x14 = PLUS(x14,j14);
+ x15 = PLUS(x15,j15);
+
+#ifndef KEYSTREAM_ONLY
+ x0 = XOR(x0,U8TO32_LITTLE(m + 0));
+ x1 = XOR(x1,U8TO32_LITTLE(m + 4));
+ x2 = XOR(x2,U8TO32_LITTLE(m + 8));
+ x3 = XOR(x3,U8TO32_LITTLE(m + 12));
+ x4 = XOR(x4,U8TO32_LITTLE(m + 16));
+ x5 = XOR(x5,U8TO32_LITTLE(m + 20));
+ x6 = XOR(x6,U8TO32_LITTLE(m + 24));
+ x7 = XOR(x7,U8TO32_LITTLE(m + 28));
+ x8 = XOR(x8,U8TO32_LITTLE(m + 32));
+ x9 = XOR(x9,U8TO32_LITTLE(m + 36));
+ x10 = XOR(x10,U8TO32_LITTLE(m + 40));
+ x11 = XOR(x11,U8TO32_LITTLE(m + 44));
+ x12 = XOR(x12,U8TO32_LITTLE(m + 48));
+ x13 = XOR(x13,U8TO32_LITTLE(m + 52));
+ x14 = XOR(x14,U8TO32_LITTLE(m + 56));
+ x15 = XOR(x15,U8TO32_LITTLE(m + 60));
+#endif
+
+ j12 = PLUSONE(j12);
+ if (!j12) {
+ j13 = PLUSONE(j13);
+ /* stopping at 2^70 bytes per nonce is user's responsibility */
+ }
+
+ U32TO8_LITTLE(c + 0,x0);
+ U32TO8_LITTLE(c + 4,x1);
+ U32TO8_LITTLE(c + 8,x2);
+ U32TO8_LITTLE(c + 12,x3);
+ U32TO8_LITTLE(c + 16,x4);
+ U32TO8_LITTLE(c + 20,x5);
+ U32TO8_LITTLE(c + 24,x6);
+ U32TO8_LITTLE(c + 28,x7);
+ U32TO8_LITTLE(c + 32,x8);
+ U32TO8_LITTLE(c + 36,x9);
+ U32TO8_LITTLE(c + 40,x10);
+ U32TO8_LITTLE(c + 44,x11);
+ U32TO8_LITTLE(c + 48,x12);
+ U32TO8_LITTLE(c + 52,x13);
+ U32TO8_LITTLE(c + 56,x14);
+ U32TO8_LITTLE(c + 60,x15);
+
+ if (bytes <= 64) {
+ if (bytes < 64) {
+ for (i = 0;i < bytes;++i) ctarget[i] = c[i];
+ }
+ x->input[12] = j12;
+ x->input[13] = j13;
+ return;
+ }
+ bytes -= 64;
+ c += 64;
+#ifndef KEYSTREAM_ONLY
+ m += 64;
+#endif
+ }
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-04 06:33:29 +0000