2 * Copyright 2000-2017 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the OpenSSL license (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
14 #include <openssl/bio.h>
15 #include <openssl/err.h>
16 #include <openssl/evp.h>
17 #include <openssl/rand.h>
18 #ifndef OPENSSL_NO_DES
19 # include <openssl/des.h>
21 #include <openssl/md5.h>
22 #include <openssl/sha.h>
24 static unsigned const char cov_2char[64] = {
25 /* from crypto/des/fcrypt.c */
26 0x2E, 0x2F, 0x30, 0x31, 0x32, 0x33, 0x34, 0x35,
27 0x36, 0x37, 0x38, 0x39, 0x41, 0x42, 0x43, 0x44,
28 0x45, 0x46, 0x47, 0x48, 0x49, 0x4A, 0x4B, 0x4C,
29 0x4D, 0x4E, 0x4F, 0x50, 0x51, 0x52, 0x53, 0x54,
30 0x55, 0x56, 0x57, 0x58, 0x59, 0x5A, 0x61, 0x62,
31 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6A,
32 0x6B, 0x6C, 0x6D, 0x6E, 0x6F, 0x70, 0x71, 0x72,
33 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7A
36 static const char ascii_dollar[] = { 0x24, 0x00 };
48 static int do_passwd(int passed_salt, char **salt_p, char **salt_malloc_p,
49 char *passwd, BIO *out, int quiet, int table,
50 int reverse, size_t pw_maxlen, passwd_modes mode);
52 typedef enum OPTION_choice {
53 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
55 OPT_NOVERIFY, OPT_QUIET, OPT_TABLE, OPT_REVERSE, OPT_APR1,
56 OPT_1, OPT_5, OPT_6, OPT_CRYPT, OPT_AIXMD5, OPT_SALT, OPT_STDIN,
60 const OPTIONS passwd_options[] = {
61 {"help", OPT_HELP, '-', "Display this summary"},
62 {"in", OPT_IN, '<', "Read passwords from file"},
63 {"noverify", OPT_NOVERIFY, '-',
64 "Never verify when reading password from terminal"},
65 {"quiet", OPT_QUIET, '-', "No warnings"},
66 {"table", OPT_TABLE, '-', "Format output as table"},
67 {"reverse", OPT_REVERSE, '-', "Switch table columns"},
68 {"salt", OPT_SALT, 's', "Use provided salt"},
69 {"stdin", OPT_STDIN, '-', "Read passwords from stdin"},
70 {"6", OPT_6, '-', "SHA512-based password algorithm"},
71 {"5", OPT_5, '-', "SHA256-based password algorithm"},
72 {"apr1", OPT_APR1, '-', "MD5-based password algorithm, Apache variant"},
73 {"1", OPT_1, '-', "MD5-based password algorithm"},
74 {"aixmd5", OPT_AIXMD5, '-', "AIX MD5-based password algorithm"},
75 #ifndef OPENSSL_NO_DES
76 {"crypt", OPT_CRYPT, '-', "Standard Unix password algorithm (default)"},
82 int passwd_main(int argc, char **argv)
85 char *infile = NULL, *salt = NULL, *passwd = NULL, **passwds = NULL;
86 char *salt_malloc = NULL, *passwd_malloc = NULL, *prog;
88 int in_stdin = 0, pw_source_defined = 0;
89 #ifndef OPENSSL_NO_UI_CONSOLE
92 int passed_salt = 0, quiet = 0, table = 0, reverse = 0;
94 passwd_modes mode = passwd_unset;
95 size_t passwd_malloc_size = 0;
96 size_t pw_maxlen = 256; /* arbitrary limit, should be enough for most
99 prog = opt_init(argc, argv, passwd_options);
100 while ((o = opt_next()) != OPT_EOF) {
105 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
108 opt_help(passwd_options);
112 if (pw_source_defined)
115 pw_source_defined = 1;
118 #ifndef OPENSSL_NO_UI_CONSOLE
132 if (mode != passwd_unset)
137 if (mode != passwd_unset)
139 mode = passwd_sha256;
142 if (mode != passwd_unset)
144 mode = passwd_sha512;
147 if (mode != passwd_unset)
152 if (mode != passwd_unset)
154 mode = passwd_aixmd5;
157 #ifndef OPENSSL_NO_DES
158 if (mode != passwd_unset)
168 if (pw_source_defined)
171 pw_source_defined = 1;
179 argc = opt_num_rest();
183 if (pw_source_defined)
185 pw_source_defined = 1;
189 if (mode == passwd_unset) {
194 #ifdef OPENSSL_NO_DES
195 if (mode == passwd_crypt)
199 if (infile != NULL && in_stdin) {
200 BIO_printf(bio_err, "%s: Can't combine -in and -stdin\n", prog);
204 if (infile != NULL || in_stdin) {
206 * If in_stdin is true, we know that infile is NULL, and that
207 * bio_open_default() will give us back an alias for stdin.
209 in = bio_open_default(infile, 'r', FORMAT_TEXT);
214 if (mode == passwd_crypt)
217 if (passwds == NULL) {
218 /* no passwords on the command line */
220 passwd_malloc_size = pw_maxlen + 2;
221 /* longer than necessary so that we can warn about truncation */
222 passwd = passwd_malloc =
223 app_malloc(passwd_malloc_size, "password buffer");
226 if ((in == NULL) && (passwds == NULL)) {
228 * we use the following method to make sure what
229 * in the 'else' section is always compiled, to
230 * avoid rot of not-frequently-used code.
233 #ifndef OPENSSL_NO_UI_CONSOLE
234 /* build a null-terminated list */
235 static char *passwds_static[2] = { NULL, NULL };
237 passwds = passwds_static;
239 if (EVP_read_pw_string
240 (passwd_malloc, passwd_malloc_size, "Password: ",
241 !(passed_salt || in_noverify)) != 0)
244 passwds[0] = passwd_malloc;
247 BIO_printf(bio_err, "password required\n");
253 assert(passwds != NULL);
254 assert(*passwds != NULL);
256 do { /* loop over list of passwords */
258 if (!do_passwd(passed_salt, &salt, &salt_malloc, passwd, bio_out,
259 quiet, table, reverse, pw_maxlen, mode))
261 } while (*passwds != NULL);
266 assert(passwd != NULL);
268 int r = BIO_gets(in, passwd, pw_maxlen + 1);
270 char *c = (strchr(passwd, '\n'));
272 *c = 0; /* truncate at newline */
274 /* ignore rest of line */
277 r = BIO_gets(in, trash, sizeof(trash));
278 while ((r > 0) && (!strchr(trash, '\n')));
282 (passed_salt, &salt, &salt_malloc, passwd, bio_out, quiet,
283 table, reverse, pw_maxlen, mode))
293 ERR_print_errors(bio_err);
295 OPENSSL_free(salt_malloc);
296 OPENSSL_free(passwd_malloc);
302 * MD5-based password algorithm (should probably be available as a library
303 * function; then the static buffer would not be acceptable). For magic
304 * string "1", this should be compatible to the MD5-based BSD password
305 * algorithm. For 'magic' string "apr1", this is compatible to the MD5-based
306 * Apache password algorithm. (Apparently, the Apache password algorithm is
307 * identical except that the 'magic' string was changed -- the laziest
308 * application of the NIH principle I've ever encountered.)
310 static char *md5crypt(const char *passwd, const char *magic, const char *salt)
312 /* "$apr1$..salt..$.......md5hash..........\0" */
313 static char out_buf[6 + 9 + 24 + 2];
314 unsigned char buf[MD5_DIGEST_LENGTH];
315 char ascii_magic[5]; /* "apr1" plus '\0' */
316 char ascii_salt[9]; /* Max 8 chars plus '\0' */
317 char *ascii_passwd = NULL;
321 EVP_MD_CTX *md = NULL, *md2 = NULL;
322 size_t passwd_len, salt_len, magic_len;
324 passwd_len = strlen(passwd);
327 magic_len = strlen(magic);
328 OPENSSL_strlcpy(ascii_magic, magic, sizeof(ascii_magic));
329 #ifdef CHARSET_EBCDIC
330 if ((magic[0] & 0x80) != 0) /* High bit is 1 in EBCDIC alnums */
331 ebcdic2ascii(ascii_magic, ascii_magic, magic_len);
334 /* The salt gets truncated to 8 chars */
335 OPENSSL_strlcpy(ascii_salt, salt, sizeof(ascii_salt));
336 salt_len = strlen(ascii_salt);
337 #ifdef CHARSET_EBCDIC
338 ebcdic2ascii(ascii_salt, ascii_salt, salt_len);
341 #ifdef CHARSET_EBCDIC
342 ascii_passwd = OPENSSL_strdup(passwd);
343 if (ascii_passwd == NULL)
345 ebcdic2ascii(ascii_passwd, ascii_passwd, passwd_len);
346 passwd = ascii_passwd;
350 OPENSSL_strlcat(out_buf, ascii_dollar, sizeof(out_buf));
352 if (magic_len > 4) /* assert it's "1" or "apr1" */
355 OPENSSL_strlcat(out_buf, ascii_magic, sizeof(out_buf));
356 OPENSSL_strlcat(out_buf, ascii_dollar, sizeof(out_buf));
359 OPENSSL_strlcat(out_buf, ascii_salt, sizeof(out_buf));
361 if (strlen(out_buf) > 6 + 8) /* assert "$apr1$..salt.." */
366 salt_out += 2 + magic_len;
371 md = EVP_MD_CTX_new();
373 || !EVP_DigestInit_ex(md, EVP_md5(), NULL)
374 || !EVP_DigestUpdate(md, passwd, passwd_len))
378 if (!EVP_DigestUpdate(md, ascii_dollar, 1)
379 || !EVP_DigestUpdate(md, ascii_magic, magic_len)
380 || !EVP_DigestUpdate(md, ascii_dollar, 1))
383 if (!EVP_DigestUpdate(md, ascii_salt, salt_len))
386 md2 = EVP_MD_CTX_new();
388 || !EVP_DigestInit_ex(md2, EVP_md5(), NULL)
389 || !EVP_DigestUpdate(md2, passwd, passwd_len)
390 || !EVP_DigestUpdate(md2, ascii_salt, salt_len)
391 || !EVP_DigestUpdate(md2, passwd, passwd_len)
392 || !EVP_DigestFinal_ex(md2, buf, NULL))
395 for (i = passwd_len; i > sizeof(buf); i -= sizeof(buf)) {
396 if (!EVP_DigestUpdate(md, buf, sizeof(buf)))
399 if (!EVP_DigestUpdate(md, buf, i))
404 if (!EVP_DigestUpdate(md, (n & 1) ? "\0" : passwd, 1))
408 if (!EVP_DigestFinal_ex(md, buf, NULL))
411 for (i = 0; i < 1000; i++) {
412 if (!EVP_DigestInit_ex(md2, EVP_md5(), NULL))
414 if (!EVP_DigestUpdate(md2,
415 (i & 1) ? (unsigned const char *)passwd : buf,
416 (i & 1) ? passwd_len : sizeof(buf)))
419 if (!EVP_DigestUpdate(md2, ascii_salt, salt_len))
423 if (!EVP_DigestUpdate(md2, passwd, passwd_len))
426 if (!EVP_DigestUpdate(md2,
427 (i & 1) ? buf : (unsigned const char *)passwd,
428 (i & 1) ? sizeof(buf) : passwd_len))
430 if (!EVP_DigestFinal_ex(md2, buf, NULL))
433 EVP_MD_CTX_free(md2);
439 /* transform buf into output string */
440 unsigned char buf_perm[sizeof(buf)];
444 /* silly output permutation */
445 for (dest = 0, source = 0; dest < 14;
446 dest++, source = (source + 6) % 17)
447 buf_perm[dest] = buf[source];
448 buf_perm[14] = buf[5];
449 buf_perm[15] = buf[11];
450 # ifndef PEDANTIC /* Unfortunately, this generates a "no
452 assert(16 == sizeof(buf_perm));
455 output = salt_out + salt_len;
456 assert(output == out_buf + strlen(out_buf));
458 *output++ = ascii_dollar[0];
460 for (i = 0; i < 15; i += 3) {
461 *output++ = cov_2char[buf_perm[i + 2] & 0x3f];
462 *output++ = cov_2char[((buf_perm[i + 1] & 0xf) << 2) |
463 (buf_perm[i + 2] >> 6)];
464 *output++ = cov_2char[((buf_perm[i] & 3) << 4) |
465 (buf_perm[i + 1] >> 4)];
466 *output++ = cov_2char[buf_perm[i] >> 2];
469 *output++ = cov_2char[buf_perm[i] & 0x3f];
470 *output++ = cov_2char[buf_perm[i] >> 6];
472 assert(strlen(out_buf) < sizeof(out_buf));
473 #ifdef CHARSET_EBCDIC
474 ascii2ebcdic(out_buf, out_buf, strlen(out_buf));
481 OPENSSL_free(ascii_passwd);
482 EVP_MD_CTX_free(md2);
488 * SHA based password algorithm, describe by Ulrich Drepper here:
489 * https://www.akkadia.org/drepper/SHA-crypt.txt
490 * (note that it's in the public domain)
492 static char *shacrypt(const char *passwd, const char *magic, const char *salt)
494 /* Prefix for optional rounds specification. */
495 static const char rounds_prefix[] = "rounds=";
496 /* Maximum salt string length. */
497 # define SALT_LEN_MAX 16
498 /* Default number of rounds if not explicitly specified. */
499 # define ROUNDS_DEFAULT 5000
500 /* Minimum number of rounds. */
501 # define ROUNDS_MIN 1000
502 /* Maximum number of rounds. */
503 # define ROUNDS_MAX 999999999
505 /* "$6$rounds=<N>$......salt......$...shahash(up to 86 chars)...\0" */
506 static char out_buf[3 + 17 + 17 + 86 + 1];
507 unsigned char buf[SHA512_DIGEST_LENGTH];
508 unsigned char temp_buf[SHA512_DIGEST_LENGTH];
511 char ascii_salt[17]; /* Max 16 chars plus '\0' */
512 char *ascii_passwd = NULL;
514 EVP_MD_CTX *md = NULL, *md2 = NULL;
515 const EVP_MD *sha = NULL;
516 size_t passwd_len, salt_len, magic_len;
517 unsigned int rounds = 5000; /* Default */
518 char rounds_custom = 0;
519 char *p_bytes = NULL;
520 char *s_bytes = NULL;
523 passwd_len = strlen(passwd);
524 magic_len = strlen(magic);
526 /* assert it's "5" or "6" */
543 if (strncmp(salt, rounds_prefix, sizeof(rounds_prefix) - 1) == 0) {
544 const char *num = salt + sizeof(rounds_prefix) - 1;
546 unsigned long int srounds = strtoul (num, &endp, 10);
549 if (srounds > ROUNDS_MAX)
551 else if (srounds < ROUNDS_MIN)
554 rounds = (unsigned int)srounds;
561 OPENSSL_strlcpy(ascii_magic, magic, sizeof(ascii_magic));
562 #ifdef CHARSET_EBCDIC
563 if ((magic[0] & 0x80) != 0) /* High bit is 1 in EBCDIC alnums */
564 ebcdic2ascii(ascii_magic, ascii_magic, magic_len);
567 /* The salt gets truncated to 16 chars */
568 OPENSSL_strlcpy(ascii_salt, salt, sizeof(ascii_salt));
569 salt_len = strlen(ascii_salt);
570 #ifdef CHARSET_EBCDIC
571 ebcdic2ascii(ascii_salt, ascii_salt, salt_len);
574 #ifdef CHARSET_EBCDIC
575 ascii_passwd = OPENSSL_strdup(passwd);
576 if (ascii_passwd == NULL)
578 ebcdic2ascii(ascii_passwd, ascii_passwd, passwd_len);
579 passwd = ascii_passwd;
583 OPENSSL_strlcat(out_buf, ascii_dollar, sizeof(out_buf));
584 OPENSSL_strlcat(out_buf, ascii_magic, sizeof(out_buf));
585 OPENSSL_strlcat(out_buf, ascii_dollar, sizeof(out_buf));
587 char tmp_buf[80]; /* "rounds=999999999" */
588 sprintf(tmp_buf, "rounds=%u", rounds);
589 #ifdef CHARSET_EBCDIC
590 /* In case we're really on a ASCII based platform and just pretend */
591 if (tmp_buf[0] != 0x72) /* ASCII 'r' */
592 ebcdic2ascii(tmp_buf, tmp_buf, strlen(tmp_buf));
594 OPENSSL_strlcat(out_buf, tmp_buf, sizeof(out_buf));
595 OPENSSL_strlcat(out_buf, ascii_dollar, sizeof(out_buf));
597 OPENSSL_strlcat(out_buf, ascii_salt, sizeof(out_buf));
599 /* assert "$5$rounds=999999999$......salt......" */
600 if (strlen(out_buf) > 3 + 17 * rounds_custom + salt_len )
603 md = EVP_MD_CTX_new();
605 || !EVP_DigestInit_ex(md, sha, NULL)
606 || !EVP_DigestUpdate(md, passwd, passwd_len)
607 || !EVP_DigestUpdate(md, ascii_salt, salt_len))
610 md2 = EVP_MD_CTX_new();
612 || !EVP_DigestInit_ex(md2, sha, NULL)
613 || !EVP_DigestUpdate(md2, passwd, passwd_len)
614 || !EVP_DigestUpdate(md2, ascii_salt, salt_len)
615 || !EVP_DigestUpdate(md2, passwd, passwd_len)
616 || !EVP_DigestFinal_ex(md2, buf, NULL))
619 for (n = passwd_len; n > buf_size; n -= buf_size) {
620 if (!EVP_DigestUpdate(md, buf, buf_size))
623 if (!EVP_DigestUpdate(md, buf, n))
628 if (!EVP_DigestUpdate(md,
629 (n & 1) ? buf : (unsigned const char *)passwd,
630 (n & 1) ? buf_size : passwd_len))
634 if (!EVP_DigestFinal_ex(md, buf, NULL))
638 if (!EVP_DigestInit_ex(md2, sha, NULL))
641 for (n = passwd_len; n > 0; n--)
642 if (!EVP_DigestUpdate(md2, passwd, passwd_len))
645 if (!EVP_DigestFinal_ex(md2, temp_buf, NULL))
648 if ((p_bytes = OPENSSL_zalloc(passwd_len)) == NULL)
650 for (cp = p_bytes, n = passwd_len; n > buf_size; n -= buf_size, cp += buf_size)
651 memcpy(cp, temp_buf, buf_size);
652 memcpy(cp, temp_buf, n);
655 if (!EVP_DigestInit_ex(md2, sha, NULL))
658 for (n = 16 + buf[0]; n > 0; n--)
659 if (!EVP_DigestUpdate(md2, ascii_salt, salt_len))
662 if (!EVP_DigestFinal_ex(md2, temp_buf, NULL))
665 if ((s_bytes = OPENSSL_zalloc(salt_len)) == NULL)
667 for (cp = s_bytes, n = salt_len; n > buf_size; n -= buf_size, cp += buf_size)
668 memcpy(cp, temp_buf, buf_size);
669 memcpy(cp, temp_buf, n);
671 for (n = 0; n < rounds; n++) {
672 if (!EVP_DigestInit_ex(md2, sha, NULL))
674 if (!EVP_DigestUpdate(md2,
675 (n & 1) ? (unsigned const char *)p_bytes : buf,
676 (n & 1) ? passwd_len : buf_size))
679 if (!EVP_DigestUpdate(md2, s_bytes, salt_len))
683 if (!EVP_DigestUpdate(md2, p_bytes, passwd_len))
686 if (!EVP_DigestUpdate(md2,
687 (n & 1) ? buf : (unsigned const char *)p_bytes,
688 (n & 1) ? buf_size : passwd_len))
690 if (!EVP_DigestFinal_ex(md2, buf, NULL))
693 EVP_MD_CTX_free(md2);
697 OPENSSL_free(p_bytes);
698 OPENSSL_free(s_bytes);
702 cp = out_buf + strlen(out_buf);
703 *cp++ = ascii_dollar[0];
705 # define b64_from_24bit(B2, B1, B0, N) \
707 unsigned int w = ((B2) << 16) | ((B1) << 8) | (B0); \
711 *cp++ = cov_2char[w & 0x3f]; \
718 b64_from_24bit (buf[0], buf[10], buf[20], 4);
719 b64_from_24bit (buf[21], buf[1], buf[11], 4);
720 b64_from_24bit (buf[12], buf[22], buf[2], 4);
721 b64_from_24bit (buf[3], buf[13], buf[23], 4);
722 b64_from_24bit (buf[24], buf[4], buf[14], 4);
723 b64_from_24bit (buf[15], buf[25], buf[5], 4);
724 b64_from_24bit (buf[6], buf[16], buf[26], 4);
725 b64_from_24bit (buf[27], buf[7], buf[17], 4);
726 b64_from_24bit (buf[18], buf[28], buf[8], 4);
727 b64_from_24bit (buf[9], buf[19], buf[29], 4);
728 b64_from_24bit (0, buf[31], buf[30], 3);
731 b64_from_24bit (buf[0], buf[21], buf[42], 4);
732 b64_from_24bit (buf[22], buf[43], buf[1], 4);
733 b64_from_24bit (buf[44], buf[2], buf[23], 4);
734 b64_from_24bit (buf[3], buf[24], buf[45], 4);
735 b64_from_24bit (buf[25], buf[46], buf[4], 4);
736 b64_from_24bit (buf[47], buf[5], buf[26], 4);
737 b64_from_24bit (buf[6], buf[27], buf[48], 4);
738 b64_from_24bit (buf[28], buf[49], buf[7], 4);
739 b64_from_24bit (buf[50], buf[8], buf[29], 4);
740 b64_from_24bit (buf[9], buf[30], buf[51], 4);
741 b64_from_24bit (buf[31], buf[52], buf[10], 4);
742 b64_from_24bit (buf[53], buf[11], buf[32], 4);
743 b64_from_24bit (buf[12], buf[33], buf[54], 4);
744 b64_from_24bit (buf[34], buf[55], buf[13], 4);
745 b64_from_24bit (buf[56], buf[14], buf[35], 4);
746 b64_from_24bit (buf[15], buf[36], buf[57], 4);
747 b64_from_24bit (buf[37], buf[58], buf[16], 4);
748 b64_from_24bit (buf[59], buf[17], buf[38], 4);
749 b64_from_24bit (buf[18], buf[39], buf[60], 4);
750 b64_from_24bit (buf[40], buf[61], buf[19], 4);
751 b64_from_24bit (buf[62], buf[20], buf[41], 4);
752 b64_from_24bit (0, 0, buf[63], 2);
758 #ifdef CHARSET_EBCDIC
759 ascii2ebcdic(out_buf, out_buf, strlen(out_buf));
765 EVP_MD_CTX_free(md2);
767 OPENSSL_free(p_bytes);
768 OPENSSL_free(s_bytes);
769 OPENSSL_free(ascii_passwd);
773 static int do_passwd(int passed_salt, char **salt_p, char **salt_malloc_p,
774 char *passwd, BIO *out, int quiet, int table,
775 int reverse, size_t pw_maxlen, passwd_modes mode)
779 assert(salt_p != NULL);
780 assert(salt_malloc_p != NULL);
782 /* first make sure we have a salt */
787 #ifndef OPENSSL_NO_DES
788 if (mode == passwd_crypt)
790 #endif /* !OPENSSL_NO_DES */
792 if (mode == passwd_md5 || mode == passwd_apr1 || mode == passwd_aixmd5)
795 if (mode == passwd_sha256 || mode == passwd_sha512)
798 assert(saltlen != 0);
800 if (*salt_malloc_p == NULL)
801 *salt_p = *salt_malloc_p = app_malloc(saltlen + 1, "salt buffer");
802 if (RAND_bytes((unsigned char *)*salt_p, saltlen) <= 0)
805 for (i = 0; i < saltlen; i++)
806 (*salt_p)[i] = cov_2char[(*salt_p)[i] & 0x3f]; /* 6 bits */
808 # ifdef CHARSET_EBCDIC
809 /* The password encryption funtion will convert back to ASCII */
810 ascii2ebcdic(*salt_p, *salt_p, saltlen);
814 assert(*salt_p != NULL);
816 /* truncate password if necessary */
817 if ((strlen(passwd) > pw_maxlen)) {
820 * XXX: really we should know how to print a size_t, not cast it
823 "Warning: truncating password to %u characters\n",
824 (unsigned)pw_maxlen);
825 passwd[pw_maxlen] = 0;
827 assert(strlen(passwd) <= pw_maxlen);
829 /* now compute password hash */
830 #ifndef OPENSSL_NO_DES
831 if (mode == passwd_crypt)
832 hash = DES_crypt(passwd, *salt_p);
834 if (mode == passwd_md5 || mode == passwd_apr1)
835 hash = md5crypt(passwd, (mode == passwd_md5 ? "1" : "apr1"), *salt_p);
836 if (mode == passwd_aixmd5)
837 hash = md5crypt(passwd, "", *salt_p);
838 if (mode == passwd_sha256 || mode == passwd_sha512)
839 hash = shacrypt(passwd, (mode == passwd_sha256 ? "5" : "6"), *salt_p);
840 assert(hash != NULL);
842 if (table && !reverse)
843 BIO_printf(out, "%s\t%s\n", passwd, hash);
844 else if (table && reverse)
845 BIO_printf(out, "%s\t%s\n", hash, passwd);
847 BIO_printf(out, "%s\n", hash);