1 diff -urN Linux-PAM-0.99.7.1.orig/modules/pam_unix/arc4random.c Linux-PAM-0.99.7.1/modules/pam_unix/arc4random.c
2 --- Linux-PAM-0.99.7.1.orig/modules/pam_unix/arc4random.c 1970-01-01 01:00:00.000000000 +0100
3 +++ Linux-PAM-0.99.7.1/modules/pam_unix/arc4random.c 2007-02-04 20:07:14.885603885 +0100
6 + * Arc4 random number generator for OpenBSD.
7 + * Copyright 1996 David Mazieres <dm@lcs.mit.edu>.
9 + * Modification and redistribution in source and binary forms is
10 + * permitted provided that due credit is given to the author and the
11 + * OpenBSD project (for instance by leaving this copyright notice
16 + * This code is derived from section 17.1 of Applied Cryptography,
17 + * second edition, which describes a stream cipher allegedly
18 + * compatible with RSA Labs "RC4" cipher (the actual description of
19 + * which is a trade secret). The same algorithm is used as a stream
20 + * cipher called "arcfour" in Tatu Ylonen's ssh package.
22 + * Here the stream cipher has been modified always to include the time
23 + * when initializing the state. That makes it impossible to
24 + * regenerate the same random sequence twice, so this can't be used
25 + * for encryption, but will generate good random numbers.
27 + * RC4 is a registered trademark of RSA Laboratories.
34 +#include <sys/types.h>
35 +#include <sys/time.h>
38 +#define inline __inline
39 +#else /* !__GNUC__ */
41 +#endif /* !__GNUC__ */
50 +static struct arc4_stream rs;
53 +arc4_init(struct arc4_stream *as)
57 + for (n = 0; n < 256; n++)
64 +arc4_addrandom(struct arc4_stream *as, u_char *dat, int datlen)
70 + for (n = 0; n < 256; n++) {
71 + as->i = (as->i + 1);
73 + as->j = (as->j + si + dat[n % datlen]);
74 + as->s[as->i] = as->s[as->j];
80 +arc4_stir(struct arc4_stream *as)
85 + u_int8_t rnd[128 - sizeof(struct timeval)];
88 + gettimeofday(&rdat.tv, NULL);
89 + fd = open("/dev/random", O_RDONLY);
91 + read(fd, rdat.rnd, sizeof(rdat.rnd));
94 + /* fd < 0? Ah, what the heck. We'll just take whatever was on the
97 + arc4_addrandom(as, (void *) &rdat, sizeof(rdat));
100 +static inline u_int8_t
101 +arc4_getbyte(struct arc4_stream *as)
105 + as->i = (as->i + 1);
107 + as->j = (as->j + si);
111 + return (as->s[(si + sj) & 0xff]);
114 +static inline u_int32_t
115 +arc4_getword(struct arc4_stream *as)
118 + val = arc4_getbyte(as) << 24;
119 + val |= arc4_getbyte(as) << 16;
120 + val |= arc4_getbyte(as) << 8;
121 + val |= arc4_getbyte(as);
126 +arc4random_stir(void)
128 + if (!rs_initialized) {
130 + rs_initialized = 1;
136 +arc4random_addrandom(u_char *dat, int datlen)
138 + if (!rs_initialized)
140 + arc4_addrandom(&rs, dat, datlen);
146 + if (!rs_initialized)
148 + return arc4_getword(&rs);
152 +/*-------- Test code for i386 --------*/
154 +#include <machine/pctr.h>
156 +main(int argc, char **argv)
158 + const int iter = 1000000;
163 + for (i = 0; i < iter; i++)
168 + printf("%qd cycles\n", v);
171 diff -urN Linux-PAM-0.99.7.1.orig/modules/pam_unix/bcrypt.c Linux-PAM-0.99.7.1/modules/pam_unix/bcrypt.c
172 --- Linux-PAM-0.99.7.1.orig/modules/pam_unix/bcrypt.c 1970-01-01 01:00:00.000000000 +0100
173 +++ Linux-PAM-0.99.7.1/modules/pam_unix/bcrypt.c 2007-02-04 20:08:46.818842861 +0100
176 + * Copyright 1997 Niels Provos <provos@physnet.uni-hamburg.de>
177 + * All rights reserved.
179 + * Redistribution and use in source and binary forms, with or without
180 + * modification, are permitted provided that the following conditions
182 + * 1. Redistributions of source code must retain the above copyright
183 + * notice, this list of conditions and the following disclaimer.
184 + * 2. Redistributions in binary form must reproduce the above copyright
185 + * notice, this list of conditions and the following disclaimer in the
186 + * documentation and/or other materials provided with the distribution.
187 + * 3. All advertising materials mentioning features or use of this software
188 + * must display the following acknowledgement:
189 + * This product includes software developed by Niels Provos.
190 + * 4. The name of the author may not be used to endorse or promote products
191 + * derived from this software without specific prior written permission.
193 + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
194 + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
195 + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
196 + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
197 + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
198 + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
199 + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
200 + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
201 + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
202 + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
205 +/* This password hashing algorithm was designed by David Mazieres
206 + * <dm@lcs.mit.edu> and works as follows:
208 + * 1. state := InitState ()
209 + * 2. state := ExpandKey (state, salt, password) 3.
211 + * state := ExpandKey (state, 0, salt)
212 + * state := ExpandKey(state, 0, password)
213 + * 4. ctext := "OrpheanBeholderScryDoubt"
215 + * ctext := Encrypt_ECB (state, ctext);
216 + * 6. RETURN Concatenate (salt, ctext);
223 +#include <sys/types.h>
228 +/* This implementation is adaptable to current computing power.
229 + * You can have up to 2^31 rounds which should be enough for some
233 +#define BCRYPT_VERSION '2'
234 +#define BCRYPT_MAXSALT 16 /* Precomputation is just so nice */
235 +#define BCRYPT_BLOCKS 6 /* Ciphertext blocks */
236 +#define BCRYPT_MINROUNDS 16 /* we have log2(rounds) in salt */
238 +extern u_int32_t arc4random(void);
240 +char *bcrypt_gensalt __P((u_int8_t));
242 +static void encode_salt __P((char *, u_int8_t *, u_int16_t, u_int8_t));
243 +static void encode_base64 __P((u_int8_t *, u_int8_t *, u_int16_t));
244 +static void decode_base64 __P((u_int8_t *, u_int16_t, u_int8_t *));
246 +static char gsalt[BCRYPT_MAXSALT * 4 / 3 + 1];
247 +static char error[] = ":";
249 +static const u_int8_t Base64Code[] =
250 +"./ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
252 +static const u_int8_t index_64[128] =
254 + 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255 + 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
256 + 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
257 + 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
258 + 255, 255, 255, 255, 255, 255, 0, 1, 54, 55,
259 + 56, 57, 58, 59, 60, 61, 62, 63, 255, 255,
260 + 255, 255, 255, 255, 255, 2, 3, 4, 5, 6,
261 + 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
262 + 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27,
263 + 255, 255, 255, 255, 255, 255, 28, 29, 30,
264 + 31, 32, 33, 34, 35, 36, 37, 38, 39, 40,
265 + 41, 42, 43, 44, 45, 46, 47, 48, 49, 50,
266 + 51, 52, 53, 255, 255, 255, 255, 255
268 +#define CHAR64(c) ( (c) > 127 ? 255 : index_64[(c)])
272 +decode_base64(u_int8_t *buffer, u_int16_t len, u_int8_t *data)
275 +decode_base64(buffer, len, data)
281 + u_int8_t *bp = buffer;
282 + u_int8_t *p = data;
283 + u_int8_t c1, c2, c3, c4;
284 + while (bp < buffer + len) {
286 + c2 = CHAR64(*(p + 1));
289 + if (c1 == 255 || c2 == 255)
292 + *bp++ = (c1 << 2) | ((c2 & 0x30) >> 4);
293 + if (bp >= buffer + len)
296 + c3 = CHAR64(*(p + 2));
300 + *bp++ = ((c2 & 0x0f) << 4) | ((c3 & 0x3c) >> 2);
301 + if (bp >= buffer + len)
304 + c4 = CHAR64(*(p + 3));
307 + *bp++ = ((c3 & 0x03) << 6) | c4;
315 +encode_salt(char *salt, u_int8_t *csalt, u_int16_t clen, u_int8_t logr)
318 +encode_salt(salt, csalt, clen, logr)
326 + salt[1] = BCRYPT_VERSION;
330 + snprintf(salt + 4, 4, "%2.2u$", logr);
332 + encode_base64((u_int8_t *) salt + 7, csalt, clen);
334 +/* Generates a salt for this version of crypt.
335 + Since versions may change. Keeping this here
341 +bcrypt_gensalt(u_int8_t log_rounds)
344 +bcrypt_gensalt(log_rounds)
345 + u_int8_t log_rounds;
348 + u_int8_t csalt[BCRYPT_MAXSALT];
350 + u_int32_t seed = 0;
352 + for (i = 0; i < BCRYPT_MAXSALT; i++) {
354 + seed = arc4random();
355 + csalt[i] = seed & 0xff;
359 + if (log_rounds < 4)
362 + encode_salt(gsalt, csalt, BCRYPT_MAXSALT, log_rounds);
365 +/* We handle $Vers$log2(NumRounds)$salt+passwd$
366 + i.e. $2$04$iwouldntknowwhattosayetKdJ6iFtacBqJdKe6aW7ou */
374 + u_int32_t rounds, i, k;
376 + u_int8_t key_len, salt_len, logr, minor;
377 + u_int8_t ciphertext[4 * BCRYPT_BLOCKS] = "OrpheanBeholderScryDoubt";
378 + u_int8_t csalt[BCRYPT_MAXSALT];
379 + u_int32_t cdata[BCRYPT_BLOCKS];
382 + /* Discard "$" identifier */
385 + if (*salt > BCRYPT_VERSION) {
386 + /* How do I handle errors ? Return ':' */
390 + /* Check for minor versions */
391 + if (salt[1] != '$') {
394 + /* 'ab' should not yield the same as 'abab' */
404 + /* Discard version + "$" identifier */
407 + if (salt[2] != '$')
408 + /* Out of sync with passwd entry */
411 + /* Computer power doesnt increase linear, 2^x should be fine */
412 + if ((rounds = (u_int32_t) 1 << (logr = atoi(salt))) < BCRYPT_MINROUNDS)
415 + /* Discard num rounds + "$" identifier */
418 + /* We dont want the base64 salt but the raw data */
419 + decode_base64(csalt, BCRYPT_MAXSALT, (u_int8_t *) salt);
420 + salt_len = BCRYPT_MAXSALT;
421 + key_len = strlen(key) + (minor >= 'a' ? 1 : 0);
423 + /* Setting up S-Boxes and Subkeys */
424 + Blowfish_initstate(&state);
425 + Blowfish_expandstate(&state, csalt, salt_len,
426 + (u_int8_t *) key, key_len);
427 + for (k = 0; k < rounds; k++) {
428 + Blowfish_expand0state(&state, (u_int8_t *) key, key_len);
429 + Blowfish_expand0state(&state, csalt, salt_len);
432 + /* This can be precomputed later */
434 + for (i = 0; i < BCRYPT_BLOCKS; i++)
435 + cdata[i] = Blowfish_stream2word(ciphertext, 4 * BCRYPT_BLOCKS, &j);
437 + /* Now do the encryption */
438 + for (k = 0; k < 64; k++)
439 + blf_enc(&state, cdata, BCRYPT_BLOCKS / 2);
441 + for (i = 0; i < BCRYPT_BLOCKS; i++) {
442 + ciphertext[4 * i + 3] = cdata[i] & 0xff;
443 + cdata[i] = cdata[i] >> 8;
444 + ciphertext[4 * i + 2] = cdata[i] & 0xff;
445 + cdata[i] = cdata[i] >> 8;
446 + ciphertext[4 * i + 1] = cdata[i] & 0xff;
447 + cdata[i] = cdata[i] >> 8;
448 + ciphertext[4 * i + 0] = cdata[i] & 0xff;
453 + encrypted = malloc(128);
454 + if (encrypted == NULL)
457 + encrypted[i++] = '$';
458 + encrypted[i++] = BCRYPT_VERSION;
460 + encrypted[i++] = minor;
461 + encrypted[i++] = '$';
463 + snprintf(encrypted + i, 4, "%2.2u$", logr);
465 + encode_base64((u_int8_t *) encrypted + i + 3, csalt, BCRYPT_MAXSALT);
466 + encode_base64((u_int8_t *) encrypted + strlen(encrypted), ciphertext,
467 + 4 * BCRYPT_BLOCKS - 1);
473 +encode_base64(u_int8_t *buffer, u_int8_t *data, u_int16_t len)
476 +encode_base64(buffer, data, len)
482 + u_int8_t *bp = buffer;
483 + u_int8_t *p = data;
485 + while (p < data + len) {
487 + *bp++ = Base64Code[(c1 >> 2)];
488 + c1 = (c1 & 0x03) << 4;
489 + if (p >= data + len) {
490 + *bp++ = Base64Code[c1];
494 + c1 |= (c2 >> 4) & 0x0f;
495 + *bp++ = Base64Code[c1];
496 + c1 = (c2 & 0x0f) << 2;
497 + if (p >= data + len) {
498 + *bp++ = Base64Code[c1];
502 + c1 |= (c2 >> 6) & 0x03;
503 + *bp++ = Base64Code[c1];
504 + *bp++ = Base64Code[c2 & 0x3f];
516 + salt[1] = BCRYPT_VERSION;
519 + snprintf(salt + 3, 4, "%2.2u$", 5);
521 + printf("24 bytes of salt: ");
522 + fgets(salt + 6, 94, stdin);
524 + printf("72 bytes of password: ");
526 + fgets(blubber, 73, stdin);
529 + p = crypt(blubber, salt);
530 + printf("Passwd entry: %s\n\n", p);
532 + p = bcrypt_gensalt(5);
533 + printf("Generated salt: %s\n", p);
534 + p = crypt(blubber, p);
535 + printf("Passwd entry: %s\n", p);
538 diff -urN Linux-PAM-0.99.7.1.orig/modules/pam_unix/blf.h Linux-PAM-0.99.7.1/modules/pam_unix/blf.h
539 --- Linux-PAM-0.99.7.1.orig/modules/pam_unix/blf.h 1970-01-01 01:00:00.000000000 +0100
540 +++ Linux-PAM-0.99.7.1/modules/pam_unix/blf.h 2007-02-04 19:53:39.265687480 +0100
543 + * Blowfish - a fast block cipher designed by Bruce Schneier
545 + * Copyright 1997 Niels Provos <provos@physnet.uni-hamburg.de>
546 + * All rights reserved.
548 + * Redistribution and use in source and binary forms, with or without
549 + * modification, are permitted provided that the following conditions
551 + * 1. Redistributions of source code must retain the above copyright
552 + * notice, this list of conditions and the following disclaimer.
553 + * 2. Redistributions in binary form must reproduce the above copyright
554 + * notice, this list of conditions and the following disclaimer in the
555 + * documentation and/or other materials provided with the distribution.
556 + * 3. All advertising materials mentioning features or use of this software
557 + * must display the following acknowledgement:
558 + * This product includes software developed by Niels Provos.
559 + * 4. The name of the author may not be used to endorse or promote products
560 + * derived from this software without specific prior written permission.
562 + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
563 + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
564 + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
565 + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
566 + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
567 + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
568 + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
569 + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
570 + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
571 + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
577 +/* Schneier states the maximum key length to be 56 bytes.
578 + * The way how the subkeys are initalized by the key up
579 + * to (N+2)*4 i.e. 72 bytes are utilized.
580 + * Warning: For normal blowfish encryption only 56 bytes
581 + * of the key affect all cipherbits.
584 +#define BLF_N 16 /* Number of Subkeys */
585 +#define BLF_MAXKEYLEN ((BLF_N-2)*4) /* 448 bits */
587 +/* Blowfish context */
588 +typedef struct BlowfishContext {
589 + u_int32_t S[4][256]; /* S-Boxes */
590 + u_int32_t P[BLF_N + 2]; /* Subkeys */
593 +/* Raw access to customized Blowfish
595 + * Blowfish_initstate( state )
596 + * Blowfish_expand0state( state, key, keylen )
599 +void Blowfish_encipher __P((blf_ctx *, u_int32_t *, u_int32_t *));
600 +void Blowfish_decipher __P((blf_ctx *, u_int32_t *, u_int32_t *));
601 +void Blowfish_initstate __P((blf_ctx *));
602 +void Blowfish_expand0state __P((blf_ctx *, const u_int8_t *, u_int16_t));
603 +void Blowfish_expandstate
604 + __P((blf_ctx *, const u_int8_t *, u_int16_t, const u_int8_t *, u_int16_t));
606 +/* Standard Blowfish */
608 +void blf_key __P((blf_ctx *, const u_int8_t *, u_int16_t));
609 +void blf_enc __P((blf_ctx *, u_int32_t *, u_int16_t));
610 +void blf_dec __P((blf_ctx *, u_int32_t *, u_int16_t));
612 +void blf_ecb_encrypt __P((blf_ctx *, u_int8_t *, u_int32_t));
613 +void blf_ecb_decrypt __P((blf_ctx *, u_int8_t *, u_int32_t));
615 +void blf_cbc_encrypt __P((blf_ctx *, u_int8_t *, u_int8_t *, u_int32_t));
616 +void blf_cbc_decrypt __P((blf_ctx *, u_int8_t *, u_int8_t *, u_int32_t));
618 +/* Converts u_int8_t to u_int32_t */
619 +u_int32_t Blowfish_stream2word __P((const u_int8_t *, u_int16_t , u_int16_t *));
622 diff -urN Linux-PAM-0.99.7.1.orig/modules/pam_unix/blowfish.c Linux-PAM-0.99.7.1/modules/pam_unix/blowfish.c
623 --- Linux-PAM-0.99.7.1.orig/modules/pam_unix/blowfish.c 1970-01-01 01:00:00.000000000 +0100
624 +++ Linux-PAM-0.99.7.1/modules/pam_unix/blowfish.c 2007-02-04 19:53:39.265687480 +0100
627 + * Blowfish block cipher for OpenBSD
628 + * Copyright 1997 Niels Provos <provos@physnet.uni-hamburg.de>
629 + * All rights reserved.
631 + * Implementation advice by David Mazieres <dm@lcs.mit.edu>.
633 + * Redistribution and use in source and binary forms, with or without
634 + * modification, are permitted provided that the following conditions
636 + * 1. Redistributions of source code must retain the above copyright
637 + * notice, this list of conditions and the following disclaimer.
638 + * 2. Redistributions in binary form must reproduce the above copyright
639 + * notice, this list of conditions and the following disclaimer in the
640 + * documentation and/or other materials provided with the distribution.
641 + * 3. All advertising materials mentioning features or use of this software
642 + * must display the following acknowledgement:
643 + * This product includes software developed by Niels Provos.
644 + * 4. The name of the author may not be used to endorse or promote products
645 + * derived from this software without specific prior written permission.
647 + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
648 + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
649 + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
650 + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
651 + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
652 + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
653 + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
654 + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
655 + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
656 + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
660 + * This code is derived from section 14.3 and the given source
661 + * in section V of Applied Cryptography, second edition.
662 + * Blowfish is an unpatented fast block cipher designed by
667 +#include <sys/types.h>
672 +#define inline __inline
673 +#else /* !__GNUC__ */
675 +#endif /* !__GNUC__ */
677 +/* Function for Feistel Networks */
679 +#define F(bc, x) ((((bc)->S[0][((x) & 0xFF000000) >> 24] \
680 + + (bc)->S[1][((x) &0xFF0000 ) >> 16]) \
681 + ^ (bc)->S[2][((x) & 0xFF00) >> 8]) \
682 + + (bc)->S[3][(x) & 0x00FF])
684 +#define BLFRND(bc,i,j,n) (i ^= F(bc,j) ^ (bc)->P[n])
687 +Blowfish_encipher(c, xl, xr)
699 + BLFRND(c, Xr, Xl, 1); BLFRND(c, Xl, Xr, 2);
700 + BLFRND(c, Xr, Xl, 3); BLFRND(c, Xl, Xr, 4);
701 + BLFRND(c, Xr, Xl, 5); BLFRND(c, Xl, Xr, 6);
702 + BLFRND(c, Xr, Xl, 7); BLFRND(c, Xl, Xr, 8);
703 + BLFRND(c, Xr, Xl, 9); BLFRND(c, Xl, Xr, 10);
704 + BLFRND(c, Xr, Xl, 11); BLFRND(c, Xl, Xr, 12);
705 + BLFRND(c, Xr, Xl, 13); BLFRND(c, Xl, Xr, 14);
706 + BLFRND(c, Xr, Xl, 15); BLFRND(c, Xl, Xr, 16);
708 + *xl = Xr ^ c->P[17];
713 +Blowfish_decipher(c, xl, xr)
725 + BLFRND(c, Xr, Xl, 16); BLFRND(c, Xl, Xr, 15);
726 + BLFRND(c, Xr, Xl, 14); BLFRND(c, Xl, Xr, 13);
727 + BLFRND(c, Xr, Xl, 12); BLFRND(c, Xl, Xr, 11);
728 + BLFRND(c, Xr, Xl, 10); BLFRND(c, Xl, Xr, 9);
729 + BLFRND(c, Xr, Xl, 8); BLFRND(c, Xl, Xr, 7);
730 + BLFRND(c, Xr, Xl, 6); BLFRND(c, Xl, Xr, 5);
731 + BLFRND(c, Xr, Xl, 4); BLFRND(c, Xl, Xr, 3);
732 + BLFRND(c, Xr, Xl, 2); BLFRND(c, Xl, Xr, 1);
734 + *xl = Xr ^ c->P[0];
739 +Blowfish_initstate(c)
743 +/* P-box and S-box tables initialized with digits of Pi */
745 + const blf_ctx initstate =
749 + 0xd1310ba6, 0x98dfb5ac, 0x2ffd72db, 0xd01adfb7,
750 + 0xb8e1afed, 0x6a267e96, 0xba7c9045, 0xf12c7f99,
751 + 0x24a19947, 0xb3916cf7, 0x0801f2e2, 0x858efc16,
752 + 0x636920d8, 0x71574e69, 0xa458fea3, 0xf4933d7e,
753 + 0x0d95748f, 0x728eb658, 0x718bcd58, 0x82154aee,
754 + 0x7b54a41d, 0xc25a59b5, 0x9c30d539, 0x2af26013,
755 + 0xc5d1b023, 0x286085f0, 0xca417918, 0xb8db38ef,
756 + 0x8e79dcb0, 0x603a180e, 0x6c9e0e8b, 0xb01e8a3e,
757 + 0xd71577c1, 0xbd314b27, 0x78af2fda, 0x55605c60,
758 + 0xe65525f3, 0xaa55ab94, 0x57489862, 0x63e81440,
759 + 0x55ca396a, 0x2aab10b6, 0xb4cc5c34, 0x1141e8ce,
760 + 0xa15486af, 0x7c72e993, 0xb3ee1411, 0x636fbc2a,
761 + 0x2ba9c55d, 0x741831f6, 0xce5c3e16, 0x9b87931e,
762 + 0xafd6ba33, 0x6c24cf5c, 0x7a325381, 0x28958677,
763 + 0x3b8f4898, 0x6b4bb9af, 0xc4bfe81b, 0x66282193,
764 + 0x61d809cc, 0xfb21a991, 0x487cac60, 0x5dec8032,
765 + 0xef845d5d, 0xe98575b1, 0xdc262302, 0xeb651b88,
766 + 0x23893e81, 0xd396acc5, 0x0f6d6ff3, 0x83f44239,
767 + 0x2e0b4482, 0xa4842004, 0x69c8f04a, 0x9e1f9b5e,
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998 + 0xde966292, 0x81b949d0, 0x4c50901b, 0x71c65614,
999 + 0xe6c6c7bd, 0x327a140a, 0x45e1d006, 0xc3f27b9a,
1000 + 0xc9aa53fd, 0x62a80f00, 0xbb25bfe2, 0x35bdd2f6,
1001 + 0x71126905, 0xb2040222, 0xb6cbcf7c, 0xcd769c2b,
1002 + 0x53113ec0, 0x1640e3d3, 0x38abbd60, 0x2547adf0,
1003 + 0xba38209c, 0xf746ce76, 0x77afa1c5, 0x20756060,
1004 + 0x85cbfe4e, 0x8ae88dd8, 0x7aaaf9b0, 0x4cf9aa7e,
1005 + 0x1948c25c, 0x02fb8a8c, 0x01c36ae4, 0xd6ebe1f9,
1006 + 0x90d4f869, 0xa65cdea0, 0x3f09252d, 0xc208e69f,
1007 + 0xb74e6132, 0xce77e25b, 0x578fdfe3, 0x3ac372e6}
1010 + 0x243f6a88, 0x85a308d3, 0x13198a2e, 0x03707344,
1011 + 0xa4093822, 0x299f31d0, 0x082efa98, 0xec4e6c89,
1012 + 0x452821e6, 0x38d01377, 0xbe5466cf, 0x34e90c6c,
1013 + 0xc0ac29b7, 0xc97c50dd, 0x3f84d5b5, 0xb5470917,
1014 + 0x9216d5d9, 0x8979fb1b
1023 +Blowfish_stream2word(const u_int8_t *data, u_int16_t databytes, u_int16_t *current)
1026 +Blowfish_stream2word(data, databytes, current)
1027 + const u_int8_t *data;
1028 + u_int16_t databytes;
1029 + u_int16_t *current;
1036 + temp = 0x00000000;
1039 + for (i = 0; i < 4; i++, j++) {
1040 + if (j >= databytes)
1042 + temp = (temp << 8) | data[j];
1051 +Blowfish_expand0state(blf_ctx *c, const u_int8_t *key, u_int16_t keybytes)
1054 +Blowfish_expand0state(c, key, keybytes)
1056 + const u_int8_t *key;
1057 + u_int16_t keybytes;
1068 + for (i = 0; i < BLF_N + 2; i++) {
1069 + /* Extract 4 int8 to 1 int32 from keystream */
1070 + temp = Blowfish_stream2word(key, keybytes, &j);
1071 + c->P[i] = c->P[i] ^ temp;
1075 + datal = 0x00000000;
1076 + datar = 0x00000000;
1077 + for (i = 0; i < BLF_N + 2; i += 2) {
1078 + Blowfish_encipher(c, &datal, &datar);
1081 + c->P[i + 1] = datar;
1084 + for (i = 0; i < 4; i++) {
1085 + for (k = 0; k < 256; k += 2) {
1086 + Blowfish_encipher(c, &datal, &datar);
1088 + c->S[i][k] = datal;
1089 + c->S[i][k + 1] = datar;
1097 +Blowfish_expandstate(blf_ctx *c, const u_int8_t *data, u_int16_t databytes,
1098 + const u_int8_t *key, u_int16_t keybytes)
1101 +Blowfish_expandstate(c, data, databytes, key, keybytes)
1103 + const u_int8_t *data;
1104 + u_int16_t databytes;
1105 + const u_int8_t *key;
1106 + u_int16_t keybytes;
1117 + for (i = 0; i < BLF_N + 2; i++) {
1118 + /* Extract 4 int8 to 1 int32 from keystream */
1119 + temp = Blowfish_stream2word(key, keybytes, &j);
1120 + c->P[i] = c->P[i] ^ temp;
1124 + datal = 0x00000000;
1125 + datar = 0x00000000;
1126 + for (i = 0; i < BLF_N + 2; i += 2) {
1127 + datal ^= Blowfish_stream2word(data, databytes, &j);
1128 + datar ^= Blowfish_stream2word(data, databytes, &j);
1129 + Blowfish_encipher(c, &datal, &datar);
1132 + c->P[i + 1] = datar;
1135 + for (i = 0; i < 4; i++) {
1136 + for (k = 0; k < 256; k += 2) {
1137 + datal ^= Blowfish_stream2word(data, databytes, &j);
1138 + datar ^= Blowfish_stream2word(data, databytes, &j);
1139 + Blowfish_encipher(c, &datal, &datar);
1141 + c->S[i][k] = datal;
1142 + c->S[i][k + 1] = datar;
1150 +blf_key(blf_ctx *c, const u_int8_t *k, u_int16_t len)
1155 + const u_int8_t *k;
1159 + /* Initalize S-boxes and subkeys with Pi */
1160 + Blowfish_initstate(c);
1162 + /* Transform S-boxes and subkeys with key */
1163 + Blowfish_expand0state(c, k, len);
1168 +blf_enc(blf_ctx *c, u_int32_t *data, u_int16_t blocks)
1171 +blf_enc(c, data, blocks)
1181 + for (i = 0; i < blocks; i++) {
1182 + Blowfish_encipher(c, d, d + 1);
1189 +blf_dec(blf_ctx *c, u_int32_t *data, u_int16_t blocks)
1192 +blf_dec(c, data, blocks)
1202 + for (i = 0; i < blocks; i++) {
1203 + Blowfish_decipher(c, d, d + 1);
1210 +blf_ecb_encrypt(blf_ctx *c, u_int8_t *data, u_int32_t len)
1213 +blf_ecb_encrypt(c, data, len)
1222 + for (i = 0; i < len; i += 8) {
1223 + l = data[0] << 24 | data[1] << 16 | data[2] << 8 | data[3];
1224 + r = data[4] << 24 | data[5] << 16 | data[6] << 8 | data[7];
1225 + Blowfish_encipher(c, &l, &r);
1226 + data[0] = l >> 24 & 0xff;
1227 + data[1] = l >> 16 & 0xff;
1228 + data[2] = l >> 8 & 0xff;
1229 + data[3] = l & 0xff;
1230 + data[4] = r >> 24 & 0xff;
1231 + data[5] = r >> 16 & 0xff;
1232 + data[6] = r >> 8 & 0xff;
1233 + data[7] = r & 0xff;
1240 +blf_ecb_decrypt(blf_ctx *c, u_int8_t *data, u_int32_t len)
1243 +blf_ecb_decrypt(c, data, len)
1252 + for (i = 0; i < len; i += 8) {
1253 + l = data[0] << 24 | data[1] << 16 | data[2] << 8 | data[3];
1254 + r = data[4] << 24 | data[5] << 16 | data[6] << 8 | data[7];
1255 + Blowfish_decipher(c, &l, &r);
1256 + data[0] = l >> 24 & 0xff;
1257 + data[1] = l >> 16 & 0xff;
1258 + data[2] = l >> 8 & 0xff;
1259 + data[3] = l & 0xff;
1260 + data[4] = r >> 24 & 0xff;
1261 + data[5] = r >> 16 & 0xff;
1262 + data[6] = r >> 8 & 0xff;
1263 + data[7] = r & 0xff;
1270 +blf_cbc_encrypt(blf_ctx *c, u_int8_t *iv, u_int8_t *data, u_int32_t len)
1273 +blf_cbc_encrypt(c, iv, data, len)
1283 + for (i = 0; i < len; i += 8) {
1284 + for (j = 0; j < 8; j++)
1286 + l = data[0] << 24 | data[1] << 16 | data[2] << 8 | data[3];
1287 + r = data[4] << 24 | data[5] << 16 | data[6] << 8 | data[7];
1288 + Blowfish_encipher(c, &l, &r);
1289 + data[0] = l >> 24 & 0xff;
1290 + data[1] = l >> 16 & 0xff;
1291 + data[2] = l >> 8 & 0xff;
1292 + data[3] = l & 0xff;
1293 + data[4] = r >> 24 & 0xff;
1294 + data[5] = r >> 16 & 0xff;
1295 + data[6] = r >> 8 & 0xff;
1296 + data[7] = r & 0xff;
1304 +blf_cbc_decrypt(blf_ctx *c, u_int8_t *iva, u_int8_t *data, u_int32_t len)
1307 +blf_cbc_decrypt(c, iva, data, len)
1318 + iv = data + len - 16;
1319 + data = data + len - 8;
1320 + for (i = len - 8; i >= 8; i -= 8) {
1321 + l = data[0] << 24 | data[1] << 16 | data[2] << 8 | data[3];
1322 + r = data[4] << 24 | data[5] << 16 | data[6] << 8 | data[7];
1323 + Blowfish_decipher(c, &l, &r);
1324 + data[0] = l >> 24 & 0xff;
1325 + data[1] = l >> 16 & 0xff;
1326 + data[2] = l >> 8 & 0xff;
1327 + data[3] = l & 0xff;
1328 + data[4] = r >> 24 & 0xff;
1329 + data[5] = r >> 16 & 0xff;
1330 + data[6] = r >> 8 & 0xff;
1331 + data[7] = r & 0xff;
1332 + for (j = 0; j < 8; j++)
1337 + l = data[0] << 24 | data[1] << 16 | data[2] << 8 | data[3];
1338 + r = data[4] << 24 | data[5] << 16 | data[6] << 8 | data[7];
1339 + Blowfish_decipher(c, &l, &r);
1340 + data[0] = l >> 24 & 0xff;
1341 + data[1] = l >> 16 & 0xff;
1342 + data[2] = l >> 8 & 0xff;
1343 + data[3] = l & 0xff;
1344 + data[4] = r >> 24 & 0xff;
1345 + data[5] = r >> 16 & 0xff;
1346 + data[6] = r >> 8 & 0xff;
1347 + data[7] = r & 0xff;
1348 + for (j = 0; j < 8; j++)
1349 + data[j] ^= iva[j];
1354 +report(u_int32_t data[], u_int16_t len)
1357 + for (i = 0; i < len; i += 2)
1358 + printf("Block %0hd: %08lx %08lx.\n",
1359 + i / 2, data[i], data[i + 1]);
1366 + char key[] = "AAAAA";
1367 + char key2[] = "abcdefghijklmnopqrstuvwxyz";
1369 + u_int32_t data[10];
1370 + u_int32_t data2[] =
1371 + {0x424c4f57l, 0x46495348l};
1376 + for (i = 0; i < 10; i++)
1379 + blf_key(&c, (u_int8_t *) key, 5);
1380 + blf_enc(&c, data, 5);
1381 + blf_dec(&c, data, 1);
1382 + blf_dec(&c, data + 2, 4);
1383 + printf("Should read as 0 - 9.\n");
1387 + blf_key(&c, (u_int8_t *) key2, strlen(key2));
1388 + blf_enc(&c, data2, 1);
1389 + printf("\nShould read as: 0x324ed0fe 0xf413a203.\n");
1391 + blf_dec(&c, data2, 1);
1395 diff -urN Linux-PAM-0.99.7.1.orig/modules/pam_unix/blowfish.h Linux-PAM-0.99.7.1/modules/pam_unix/blowfish.h
1396 --- Linux-PAM-0.99.7.1.orig/modules/pam_unix/blowfish.h 1970-01-01 01:00:00.000000000 +0100
1397 +++ Linux-PAM-0.99.7.1/modules/pam_unix/blowfish.h 2007-02-04 19:53:39.265687480 +0100
1403 +#define BLOWFISH_ROOT_ROUNDS 8
1404 +#define BLOWFISH_USER_ROUNDS 6
1406 +char *bcrypt(const char *key, const char *salt);
1407 +char *bcrypt_gensalt(u_int8_t log_rounds);
1409 +#endif /* BLOWFISH_H */
1410 diff -urN Linux-PAM-0.99.7.1.orig/modules/pam_unix/Makefile.am Linux-PAM-0.99.7.1/modules/pam_unix/Makefile.am
1411 --- Linux-PAM-0.99.7.1.orig/modules/pam_unix/Makefile.am 2006-12-18 19:50:50.000000000 +0100
1412 +++ Linux-PAM-0.99.7.1/modules/pam_unix/Makefile.am 2007-02-04 19:53:39.269687706 +0100
1415 securelib_LTLIBRARIES = pam_unix.la
1417 -noinst_HEADERS = md5.h support.h yppasswd.h bigcrypt.h
1418 +noinst_HEADERS = md5.h support.h yppasswd.h bigcrypt.h blf.h blowfish.h
1420 sbin_PROGRAMS = unix_chkpwd
1424 pam_unix_la_SOURCES = bigcrypt.c pam_unix_acct.c \
1425 pam_unix_auth.c pam_unix_passwd.c pam_unix_sess.c support.c \
1426 - yppasswd_xdr.c md5_good.c md5_broken.c
1427 + yppasswd_xdr.c md5_good.c md5_broken.c \
1428 + arc4random.c bcrypt.c blowfish.c
1430 bigcrypt_SOURCES = bigcrypt.c bigcrypt_main.c
1431 bigcrypt_CFLAGS = $(AM_CFLAGS)
1432 bigcrypt_LDADD = @LIBCRYPT@
1434 -unix_chkpwd_SOURCES = unix_chkpwd.c md5_good.c md5_broken.c bigcrypt.c
1435 +unix_chkpwd_SOURCES = unix_chkpwd.c md5_good.c md5_broken.c bigcrypt.c \
1436 + arc4random.c bcrypt.c blowfish.c
1437 unix_chkpwd_CFLAGS = $(AM_CFLAGS) @PIE_CFLAGS@
1438 unix_chkpwd_LDFLAGS = @PIE_LDFLAGS@
1439 unix_chkpwd_LDADD = -L$(top_builddir)/libpam -lpam @LIBCRYPT@ @LIBSELINUX@
1440 diff -urN Linux-PAM-0.99.7.1.orig/modules/pam_unix/pam_unix.8 Linux-PAM-0.99.7.1/modules/pam_unix/pam_unix.8
1441 --- Linux-PAM-0.99.7.1.orig/modules/pam_unix/pam_unix.8 2006-09-20 16:34:37.000000000 +0200
1442 +++ Linux-PAM-0.99.7.1/modules/pam_unix/pam_unix.8 2007-02-04 20:00:26.388888108 +0100
1445 When a user changes their password next, encrypt it with the MD5 algorithm.
1448 +When a user changes their password next, encrypt it with the OpenBSD Blowfish algorithm.
1451 When a user changes their password next, encrypt it with the DEC C2 algorithm.
1453 diff -urN Linux-PAM-0.99.7.1.orig/modules/pam_unix/pam_unix.8.xml Linux-PAM-0.99.7.1/modules/pam_unix/pam_unix.8.xml
1454 --- Linux-PAM-0.99.7.1.orig/modules/pam_unix/pam_unix.8.xml 2006-09-20 16:34:37.000000000 +0200
1455 +++ Linux-PAM-0.99.7.1/modules/pam_unix/pam_unix.8.xml 2007-02-04 19:53:39.269687706 +0100
1456 @@ -249,6 +249,17 @@
1460 + <option>blowfish</option>
1464 + When a user changes their password next, encrypt
1465 + it with the OpenBSD Blowfish algorithm.
1471 <option>bigcrypt</option>
1474 diff -urN Linux-PAM-0.99.7.1.orig/modules/pam_unix/pam_unix_passwd.c Linux-PAM-0.99.7.1/modules/pam_unix/pam_unix_passwd.c
1475 --- Linux-PAM-0.99.7.1.orig/modules/pam_unix/pam_unix_passwd.c 2006-12-20 12:08:59.000000000 +0100
1476 +++ Linux-PAM-0.99.7.1/modules/pam_unix/pam_unix_passwd.c 2007-02-04 19:53:39.269687706 +0100
1479 #include "support.h"
1480 #include "bigcrypt.h"
1481 +#include "blowfish.h"
1483 #if !((__GLIBC__ == 2) && (__GLIBC_MINOR__ >= 1))
1484 extern int getrpcport(const char *host, unsigned long prognum,
1485 @@ -185,6 +186,19 @@
1489 +static char *crypt_blowfish_wrapper(const char *pass_new, int rounds)
1494 + if ((rounds < 5) || (rounds > 9))
1496 + bf_salt = bcrypt_gensalt(rounds);
1497 + x = x_strdup(bcrypt(pass_new, bf_salt));
1502 static char *getNISserver(pam_handle_t *pamh)
1505 @@ -1303,6 +1317,14 @@
1507 if (on(UNIX_MD5_PASS, ctrl)) {
1508 tpass = crypt_md5_wrapper(pass_new);
1509 + } else if (on(UNIX_BLOWFISH, ctrl)) {
1510 + struct passwd *p_user;
1512 + p_user = pam_modutil_getpwnam(pamh, user);
1513 + if ((p_user != NULL) && (p_user->pw_uid == 0))
1514 + tpass = crypt_blowfish_wrapper(pass_new, BLOWFISH_ROOT_ROUNDS);
1516 + tpass = crypt_blowfish_wrapper(pass_new, BLOWFISH_USER_ROUNDS);
1519 * Salt manipulation is stolen from Rick Faith's passwd
1520 diff -urN Linux-PAM-0.99.7.1.orig/modules/pam_unix/README Linux-PAM-0.99.7.1/modules/pam_unix/README
1521 --- Linux-PAM-0.99.7.1.orig/modules/pam_unix/README 2006-09-22 15:01:20.000000000 +0200
1522 +++ Linux-PAM-0.99.7.1/modules/pam_unix/README 2007-02-04 20:00:27.976978609 +0100
1523 @@ -109,6 +109,11 @@
1525 When a user changes their password next, encrypt it with the MD5 algorithm.
1529 + When a user changes their password next, encrypt it with the OpenBSD
1530 + Blowfish algorithm.
1534 When a user changes their password next, encrypt it with the DEC C2
1535 diff -urN Linux-PAM-0.99.7.1.orig/modules/pam_unix/support.c Linux-PAM-0.99.7.1/modules/pam_unix/support.c
1536 --- Linux-PAM-0.99.7.1.orig/modules/pam_unix/support.c 2007-01-23 10:41:21.000000000 +0100
1537 +++ Linux-PAM-0.99.7.1/modules/pam_unix/support.c 2007-02-04 20:00:16.992352631 +0100
1540 #include "support.h"
1541 #include "bigcrypt.h"
1542 +#include "blowfish.h"
1544 #include <selinux/selinux.h>
1545 #define SELINUX_ENABLED is_selinux_enabled()>0
1548 pp = Brokencrypt_md5(p, salt);
1550 + } else if (!strncmp(salt, "$2", 2)) {
1551 + pp = bcrypt(p, salt);
1552 } else if (*salt != '$' && salt_len >= 13) {
1553 pp = bigcrypt(p, salt);
1554 if (pp && strlen(pp) > salt_len) {
1555 diff -urN Linux-PAM-0.99.7.1.orig/modules/pam_unix/support.h Linux-PAM-0.99.7.1/modules/pam_unix/support.h
1556 --- Linux-PAM-0.99.7.1.orig/modules/pam_unix/support.h 2007-01-23 10:30:23.000000000 +0100
1557 +++ Linux-PAM-0.99.7.1/modules/pam_unix/support.h 2007-02-04 19:53:39.269687706 +0100
1559 #define UNIX_NOREAP 21 /* don't reap child process */
1560 #define UNIX_BROKEN_SHADOW 22 /* ignore errors reading password aging
1561 * information during acct management */
1562 +#define UNIX_BLOWFISH 23 /* force the use of Blowfish passwords */
1563 /* -------------- */
1564 -#define UNIX_CTRLS_ 23 /* number of ctrl arguments defined */
1565 +#define UNIX_CTRLS_ 24 /* number of ctrl arguments defined */
1568 static const UNIX_Ctrls unix_args[UNIX_CTRLS_] =
1569 @@ -106,16 +107,17 @@
1570 /* UNIX__QUIET */ {NULL, _ALL_ON_, 02000},
1571 /* UNIX_USE_AUTHTOK */ {"use_authtok", _ALL_ON_, 04000},
1572 /* UNIX_SHADOW */ {"shadow", _ALL_ON_, 010000},
1573 -/* UNIX_MD5_PASS */ {"md5", _ALL_ON_^(0400000), 020000},
1574 +/* UNIX_MD5_PASS */ {"md5", _ALL_ON_^(020400000), 020000},
1575 /* UNIX__NULLOK */ {"nullok", _ALL_ON_^(01000), 0},
1576 /* UNIX_DEBUG */ {"debug", _ALL_ON_, 040000},
1577 /* UNIX_NODELAY */ {"nodelay", _ALL_ON_, 0100000},
1578 /* UNIX_NIS */ {"nis", _ALL_ON_, 0200000},
1579 -/* UNIX_BIGCRYPT */ {"bigcrypt", _ALL_ON_^(020000), 0400000},
1580 +/* UNIX_BIGCRYPT */ {"bigcrypt", _ALL_ON_^(020020000), 0400000},
1581 /* UNIX_LIKE_AUTH */ {"likeauth", _ALL_ON_, 01000000},
1582 /* UNIX_REMEMBER_PASSWD */ {"remember=", _ALL_ON_, 02000000},
1583 /* UNIX_NOREAP */ {"noreap", _ALL_ON_, 04000000},
1584 /* UNIX_BROKEN_SHADOW */ {"broken_shadow", _ALL_ON_, 010000000},
1585 +/* UNIX_BLOWFISH */ {"blowfish", _ALL_ON_^(000420000),020000000},
1588 #define UNIX_DEFAULTS (unix_args[UNIX__NONULL].flag)
1589 diff -urN Linux-PAM-0.99.7.1.orig/modules/pam_unix/unix_chkpwd.c Linux-PAM-0.99.7.1/modules/pam_unix/unix_chkpwd.c
1590 --- Linux-PAM-0.99.7.1.orig/modules/pam_unix/unix_chkpwd.c 2006-10-24 12:01:49.000000000 +0200
1591 +++ Linux-PAM-0.99.7.1/modules/pam_unix/unix_chkpwd.c 2007-02-04 19:53:39.269687706 +0100
1595 #include "bigcrypt.h"
1596 +#include "blowfish.h"
1598 /* syslogging function for errors and other information */
1600 @@ -203,6 +204,10 @@
1601 if (pp && strcmp(pp, salt) == 0)
1602 retval = PAM_SUCCESS;
1604 + } else if (!strncmp(salt, "$2", 2)) {
1605 + pp = bcrypt(p, salt);
1606 + if (pp && strcmp(pp, salt) == 0)
1607 + retval = PAM_SUCCESS;
1608 } else if (*salt == '$') {
1610 * Ok, we don't know the crypt algorithm, but maybe