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[src/netbsd-1-6]: src/lib/libcrypt Pullup rev 1.1-1.3 (requested by provos in...



details:   https://anonhg.NetBSD.org/src/rev/e800e0ea920e
branches:  netbsd-1-6
changeset: 531178:e800e0ea920e
user:      jmc <jmc%NetBSD.org@localhost>
date:      Fri Mar 26 23:02:45 2004 +0000

description:
Pullup rev 1.1-1.3 (requested by provos in ticket #1386)

Introduce bcrypt password scheme. Adds the arc4random API for creating
cryptographically strong random numbers.

diffstat:

 lib/libcrypt/blowfish.c |  504 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 504 insertions(+), 0 deletions(-)

diffs (truncated from 508 to 300 lines):

diff -r 8e4979863680 -r e800e0ea920e lib/libcrypt/blowfish.c
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/lib/libcrypt/blowfish.c   Fri Mar 26 23:02:45 2004 +0000
@@ -0,0 +1,504 @@
+/*     $NetBSD: blowfish.c,v 1.3.2.2 2004/03/26 23:02:45 jmc 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@localhost>
+ * All rights reserved.
+ *
+ * Implementation advice by David Mazieres <dm%lcs.mit.edu@localhost>.
+ *
+ * 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 1.3.2.2 2004/03/26 23:02:45 jmc 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;
+
+#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])
+
+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,



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