2 * Copyright 2000-2018 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the Apache License 2.0 (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
15 #include <openssl/bio.h>
16 #include <openssl/err.h>
17 #include <openssl/evp.h>
18 #include <openssl/rand.h>
19 #ifndef OPENSSL_NO_DES
20 # include <openssl/des.h>
22 #include <openssl/md5.h>
23 #include <openssl/sha.h>
25 static unsigned const char cov_2char[64] = {
26 /* from crypto/des/fcrypt.c */
27 0x2E, 0x2F, 0x30, 0x31, 0x32, 0x33, 0x34, 0x35,
28 0x36, 0x37, 0x38, 0x39, 0x41, 0x42, 0x43, 0x44,
29 0x45, 0x46, 0x47, 0x48, 0x49, 0x4A, 0x4B, 0x4C,
30 0x4D, 0x4E, 0x4F, 0x50, 0x51, 0x52, 0x53, 0x54,
31 0x55, 0x56, 0x57, 0x58, 0x59, 0x5A, 0x61, 0x62,
32 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6A,
33 0x6B, 0x6C, 0x6D, 0x6E, 0x6F, 0x70, 0x71, 0x72,
34 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7A
37 static const char ascii_dollar[] = { 0x24, 0x00 };
49 static int do_passwd(int passed_salt, char **salt_p, char **salt_malloc_p,
50 char *passwd, BIO *out, int quiet, int table,
51 int reverse, size_t pw_maxlen, passwd_modes mode);
53 typedef enum OPTION_choice {
54 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
56 OPT_NOVERIFY, OPT_QUIET, OPT_TABLE, OPT_REVERSE, OPT_APR1,
57 OPT_1, OPT_5, OPT_6, OPT_CRYPT, OPT_AIXMD5, OPT_SALT, OPT_STDIN,
61 const OPTIONS passwd_options[] = {
62 OPT_SECTION("General"),
63 {"help", OPT_HELP, '-', "Display this summary"},
66 {"in", OPT_IN, '<', "Read passwords from file"},
67 {"noverify", OPT_NOVERIFY, '-',
68 "Never verify when reading password from terminal"},
69 {"stdin", OPT_STDIN, '-', "Read passwords from stdin"},
71 OPT_SECTION("Output"),
72 {"quiet", OPT_QUIET, '-', "No warnings"},
73 {"table", OPT_TABLE, '-', "Format output as table"},
74 {"reverse", OPT_REVERSE, '-', "Switch table columns"},
76 OPT_SECTION("Cryptographic"),
77 {"salt", OPT_SALT, 's', "Use provided salt"},
78 {"6", OPT_6, '-', "SHA512-based password algorithm"},
79 {"5", OPT_5, '-', "SHA256-based password algorithm"},
80 {"apr1", OPT_APR1, '-', "MD5-based password algorithm, Apache variant"},
81 {"1", OPT_1, '-', "MD5-based password algorithm"},
82 {"aixmd5", OPT_AIXMD5, '-', "AIX MD5-based password algorithm"},
83 #ifndef OPENSSL_NO_DES
84 {"crypt", OPT_CRYPT, '-', "Standard Unix password algorithm (default)"},
91 int passwd_main(int argc, char **argv)
94 char *infile = NULL, *salt = NULL, *passwd = NULL, **passwds = NULL;
95 char *salt_malloc = NULL, *passwd_malloc = NULL, *prog;
97 int in_stdin = 0, pw_source_defined = 0;
98 #ifndef OPENSSL_NO_UI_CONSOLE
101 int passed_salt = 0, quiet = 0, table = 0, reverse = 0;
103 passwd_modes mode = passwd_unset;
104 size_t passwd_malloc_size = 0;
105 size_t pw_maxlen = 256; /* arbitrary limit, should be enough for most
108 prog = opt_init(argc, argv, passwd_options);
109 while ((o = opt_next()) != OPT_EOF) {
114 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
117 opt_help(passwd_options);
121 if (pw_source_defined)
124 pw_source_defined = 1;
127 #ifndef OPENSSL_NO_UI_CONSOLE
141 if (mode != passwd_unset)
146 if (mode != passwd_unset)
148 mode = passwd_sha256;
151 if (mode != passwd_unset)
153 mode = passwd_sha512;
156 if (mode != passwd_unset)
161 if (mode != passwd_unset)
163 mode = passwd_aixmd5;
166 #ifndef OPENSSL_NO_DES
167 if (mode != passwd_unset)
177 if (pw_source_defined)
180 pw_source_defined = 1;
188 argc = opt_num_rest();
192 if (pw_source_defined)
194 pw_source_defined = 1;
198 if (mode == passwd_unset) {
203 #ifdef OPENSSL_NO_DES
204 if (mode == passwd_crypt)
208 if (infile != NULL && in_stdin) {
209 BIO_printf(bio_err, "%s: Can't combine -in and -stdin\n", prog);
213 if (infile != NULL || in_stdin) {
215 * If in_stdin is true, we know that infile is NULL, and that
216 * bio_open_default() will give us back an alias for stdin.
218 in = bio_open_default(infile, 'r', FORMAT_TEXT);
223 if (mode == passwd_crypt)
226 if (passwds == NULL) {
227 /* no passwords on the command line */
229 passwd_malloc_size = pw_maxlen + 2;
230 /* longer than necessary so that we can warn about truncation */
231 passwd = passwd_malloc =
232 app_malloc(passwd_malloc_size, "password buffer");
235 if ((in == NULL) && (passwds == NULL)) {
237 * we use the following method to make sure what
238 * in the 'else' section is always compiled, to
239 * avoid rot of not-frequently-used code.
242 #ifndef OPENSSL_NO_UI_CONSOLE
243 /* build a null-terminated list */
244 static char *passwds_static[2] = { NULL, NULL };
246 passwds = passwds_static;
248 if (EVP_read_pw_string
249 (passwd_malloc, passwd_malloc_size, "Password: ",
250 !(passed_salt || in_noverify)) != 0)
253 passwds[0] = passwd_malloc;
256 BIO_printf(bio_err, "password required\n");
262 assert(passwds != NULL);
263 assert(*passwds != NULL);
265 do { /* loop over list of passwords */
267 if (!do_passwd(passed_salt, &salt, &salt_malloc, passwd, bio_out,
268 quiet, table, reverse, pw_maxlen, mode))
270 } while (*passwds != NULL);
275 assert(passwd != NULL);
277 int r = BIO_gets(in, passwd, pw_maxlen + 1);
279 char *c = (strchr(passwd, '\n'));
281 *c = 0; /* truncate at newline */
283 /* ignore rest of line */
286 r = BIO_gets(in, trash, sizeof(trash));
287 while ((r > 0) && (!strchr(trash, '\n')));
291 (passed_salt, &salt, &salt_malloc, passwd, bio_out, quiet,
292 table, reverse, pw_maxlen, mode))
302 ERR_print_errors(bio_err);
304 OPENSSL_free(salt_malloc);
305 OPENSSL_free(passwd_malloc);
311 * MD5-based password algorithm (should probably be available as a library
312 * function; then the static buffer would not be acceptable). For magic
313 * string "1", this should be compatible to the MD5-based BSD password
314 * algorithm. For 'magic' string "apr1", this is compatible to the MD5-based
315 * Apache password algorithm. (Apparently, the Apache password algorithm is
316 * identical except that the 'magic' string was changed -- the laziest
317 * application of the NIH principle I've ever encountered.)
319 static char *md5crypt(const char *passwd, const char *magic, const char *salt)
321 /* "$apr1$..salt..$.......md5hash..........\0" */
322 static char out_buf[6 + 9 + 24 + 2];
323 unsigned char buf[MD5_DIGEST_LENGTH];
324 char ascii_magic[5]; /* "apr1" plus '\0' */
325 char ascii_salt[9]; /* Max 8 chars plus '\0' */
326 char *ascii_passwd = NULL;
330 EVP_MD_CTX *md = NULL, *md2 = NULL;
331 size_t passwd_len, salt_len, magic_len;
333 passwd_len = strlen(passwd);
336 magic_len = strlen(magic);
337 OPENSSL_strlcpy(ascii_magic, magic, sizeof(ascii_magic));
338 #ifdef CHARSET_EBCDIC
339 if ((magic[0] & 0x80) != 0) /* High bit is 1 in EBCDIC alnums */
340 ebcdic2ascii(ascii_magic, ascii_magic, magic_len);
343 /* The salt gets truncated to 8 chars */
344 OPENSSL_strlcpy(ascii_salt, salt, sizeof(ascii_salt));
345 salt_len = strlen(ascii_salt);
346 #ifdef CHARSET_EBCDIC
347 ebcdic2ascii(ascii_salt, ascii_salt, salt_len);
350 #ifdef CHARSET_EBCDIC
351 ascii_passwd = OPENSSL_strdup(passwd);
352 if (ascii_passwd == NULL)
354 ebcdic2ascii(ascii_passwd, ascii_passwd, passwd_len);
355 passwd = ascii_passwd;
359 OPENSSL_strlcat(out_buf, ascii_dollar, sizeof(out_buf));
361 if (magic_len > 4) /* assert it's "1" or "apr1" */
364 OPENSSL_strlcat(out_buf, ascii_magic, sizeof(out_buf));
365 OPENSSL_strlcat(out_buf, ascii_dollar, sizeof(out_buf));
368 OPENSSL_strlcat(out_buf, ascii_salt, sizeof(out_buf));
370 if (strlen(out_buf) > 6 + 8) /* assert "$apr1$..salt.." */
375 salt_out += 2 + magic_len;
380 md = EVP_MD_CTX_new();
382 || !EVP_DigestInit_ex(md, EVP_md5(), NULL)
383 || !EVP_DigestUpdate(md, passwd, passwd_len))
387 if (!EVP_DigestUpdate(md, ascii_dollar, 1)
388 || !EVP_DigestUpdate(md, ascii_magic, magic_len)
389 || !EVP_DigestUpdate(md, ascii_dollar, 1))
392 if (!EVP_DigestUpdate(md, ascii_salt, salt_len))
395 md2 = EVP_MD_CTX_new();
397 || !EVP_DigestInit_ex(md2, EVP_md5(), NULL)
398 || !EVP_DigestUpdate(md2, passwd, passwd_len)
399 || !EVP_DigestUpdate(md2, ascii_salt, salt_len)
400 || !EVP_DigestUpdate(md2, passwd, passwd_len)
401 || !EVP_DigestFinal_ex(md2, buf, NULL))
404 for (i = passwd_len; i > sizeof(buf); i -= sizeof(buf)) {
405 if (!EVP_DigestUpdate(md, buf, sizeof(buf)))
408 if (!EVP_DigestUpdate(md, buf, i))
413 if (!EVP_DigestUpdate(md, (n & 1) ? "\0" : passwd, 1))
417 if (!EVP_DigestFinal_ex(md, buf, NULL))
420 for (i = 0; i < 1000; i++) {
421 if (!EVP_DigestInit_ex(md2, EVP_md5(), NULL))
423 if (!EVP_DigestUpdate(md2,
424 (i & 1) ? (unsigned const char *)passwd : buf,
425 (i & 1) ? passwd_len : sizeof(buf)))
428 if (!EVP_DigestUpdate(md2, ascii_salt, salt_len))
432 if (!EVP_DigestUpdate(md2, passwd, passwd_len))
435 if (!EVP_DigestUpdate(md2,
436 (i & 1) ? buf : (unsigned const char *)passwd,
437 (i & 1) ? sizeof(buf) : passwd_len))
439 if (!EVP_DigestFinal_ex(md2, buf, NULL))
442 EVP_MD_CTX_free(md2);
448 /* transform buf into output string */
449 unsigned char buf_perm[sizeof(buf)];
453 /* silly output permutation */
454 for (dest = 0, source = 0; dest < 14;
455 dest++, source = (source + 6) % 17)
456 buf_perm[dest] = buf[source];
457 buf_perm[14] = buf[5];
458 buf_perm[15] = buf[11];
459 # ifndef PEDANTIC /* Unfortunately, this generates a "no
461 assert(16 == sizeof(buf_perm));
464 output = salt_out + salt_len;
465 assert(output == out_buf + strlen(out_buf));
467 *output++ = ascii_dollar[0];
469 for (i = 0; i < 15; i += 3) {
470 *output++ = cov_2char[buf_perm[i + 2] & 0x3f];
471 *output++ = cov_2char[((buf_perm[i + 1] & 0xf) << 2) |
472 (buf_perm[i + 2] >> 6)];
473 *output++ = cov_2char[((buf_perm[i] & 3) << 4) |
474 (buf_perm[i + 1] >> 4)];
475 *output++ = cov_2char[buf_perm[i] >> 2];
478 *output++ = cov_2char[buf_perm[i] & 0x3f];
479 *output++ = cov_2char[buf_perm[i] >> 6];
481 assert(strlen(out_buf) < sizeof(out_buf));
482 #ifdef CHARSET_EBCDIC
483 ascii2ebcdic(out_buf, out_buf, strlen(out_buf));
490 OPENSSL_free(ascii_passwd);
491 EVP_MD_CTX_free(md2);
497 * SHA based password algorithm, describe by Ulrich Drepper here:
498 * https://www.akkadia.org/drepper/SHA-crypt.txt
499 * (note that it's in the public domain)
501 static char *shacrypt(const char *passwd, const char *magic, const char *salt)
503 /* Prefix for optional rounds specification. */
504 static const char rounds_prefix[] = "rounds=";
505 /* Maximum salt string length. */
506 # define SALT_LEN_MAX 16
507 /* Default number of rounds if not explicitly specified. */
508 # define ROUNDS_DEFAULT 5000
509 /* Minimum number of rounds. */
510 # define ROUNDS_MIN 1000
511 /* Maximum number of rounds. */
512 # define ROUNDS_MAX 999999999
514 /* "$6$rounds=<N>$......salt......$...shahash(up to 86 chars)...\0" */
515 static char out_buf[3 + 17 + 17 + 86 + 1];
516 unsigned char buf[SHA512_DIGEST_LENGTH];
517 unsigned char temp_buf[SHA512_DIGEST_LENGTH];
520 char ascii_salt[17]; /* Max 16 chars plus '\0' */
521 char *ascii_passwd = NULL;
523 EVP_MD_CTX *md = NULL, *md2 = NULL;
524 const EVP_MD *sha = NULL;
525 size_t passwd_len, salt_len, magic_len;
526 unsigned int rounds = 5000; /* Default */
527 char rounds_custom = 0;
528 char *p_bytes = NULL;
529 char *s_bytes = NULL;
532 passwd_len = strlen(passwd);
533 magic_len = strlen(magic);
535 /* assert it's "5" or "6" */
552 if (strncmp(salt, rounds_prefix, sizeof(rounds_prefix) - 1) == 0) {
553 const char *num = salt + sizeof(rounds_prefix) - 1;
555 unsigned long int srounds = strtoul (num, &endp, 10);
558 if (srounds > ROUNDS_MAX)
560 else if (srounds < ROUNDS_MIN)
563 rounds = (unsigned int)srounds;
570 OPENSSL_strlcpy(ascii_magic, magic, sizeof(ascii_magic));
571 #ifdef CHARSET_EBCDIC
572 if ((magic[0] & 0x80) != 0) /* High bit is 1 in EBCDIC alnums */
573 ebcdic2ascii(ascii_magic, ascii_magic, magic_len);
576 /* The salt gets truncated to 16 chars */
577 OPENSSL_strlcpy(ascii_salt, salt, sizeof(ascii_salt));
578 salt_len = strlen(ascii_salt);
579 #ifdef CHARSET_EBCDIC
580 ebcdic2ascii(ascii_salt, ascii_salt, salt_len);
583 #ifdef CHARSET_EBCDIC
584 ascii_passwd = OPENSSL_strdup(passwd);
585 if (ascii_passwd == NULL)
587 ebcdic2ascii(ascii_passwd, ascii_passwd, passwd_len);
588 passwd = ascii_passwd;
592 OPENSSL_strlcat(out_buf, ascii_dollar, sizeof(out_buf));
593 OPENSSL_strlcat(out_buf, ascii_magic, sizeof(out_buf));
594 OPENSSL_strlcat(out_buf, ascii_dollar, sizeof(out_buf));
596 char tmp_buf[80]; /* "rounds=999999999" */
597 sprintf(tmp_buf, "rounds=%u", rounds);
598 #ifdef CHARSET_EBCDIC
599 /* In case we're really on a ASCII based platform and just pretend */
600 if (tmp_buf[0] != 0x72) /* ASCII 'r' */
601 ebcdic2ascii(tmp_buf, tmp_buf, strlen(tmp_buf));
603 OPENSSL_strlcat(out_buf, tmp_buf, sizeof(out_buf));
604 OPENSSL_strlcat(out_buf, ascii_dollar, sizeof(out_buf));
606 OPENSSL_strlcat(out_buf, ascii_salt, sizeof(out_buf));
608 /* assert "$5$rounds=999999999$......salt......" */
609 if (strlen(out_buf) > 3 + 17 * rounds_custom + salt_len )
612 md = EVP_MD_CTX_new();
614 || !EVP_DigestInit_ex(md, sha, NULL)
615 || !EVP_DigestUpdate(md, passwd, passwd_len)
616 || !EVP_DigestUpdate(md, ascii_salt, salt_len))
619 md2 = EVP_MD_CTX_new();
621 || !EVP_DigestInit_ex(md2, sha, NULL)
622 || !EVP_DigestUpdate(md2, passwd, passwd_len)
623 || !EVP_DigestUpdate(md2, ascii_salt, salt_len)
624 || !EVP_DigestUpdate(md2, passwd, passwd_len)
625 || !EVP_DigestFinal_ex(md2, buf, NULL))
628 for (n = passwd_len; n > buf_size; n -= buf_size) {
629 if (!EVP_DigestUpdate(md, buf, buf_size))
632 if (!EVP_DigestUpdate(md, buf, n))
637 if (!EVP_DigestUpdate(md,
638 (n & 1) ? buf : (unsigned const char *)passwd,
639 (n & 1) ? buf_size : passwd_len))
643 if (!EVP_DigestFinal_ex(md, buf, NULL))
647 if (!EVP_DigestInit_ex(md2, sha, NULL))
650 for (n = passwd_len; n > 0; n--)
651 if (!EVP_DigestUpdate(md2, passwd, passwd_len))
654 if (!EVP_DigestFinal_ex(md2, temp_buf, NULL))
657 if ((p_bytes = OPENSSL_zalloc(passwd_len)) == NULL)
659 for (cp = p_bytes, n = passwd_len; n > buf_size; n -= buf_size, cp += buf_size)
660 memcpy(cp, temp_buf, buf_size);
661 memcpy(cp, temp_buf, n);
664 if (!EVP_DigestInit_ex(md2, sha, NULL))
667 for (n = 16 + buf[0]; n > 0; n--)
668 if (!EVP_DigestUpdate(md2, ascii_salt, salt_len))
671 if (!EVP_DigestFinal_ex(md2, temp_buf, NULL))
674 if ((s_bytes = OPENSSL_zalloc(salt_len)) == NULL)
676 for (cp = s_bytes, n = salt_len; n > buf_size; n -= buf_size, cp += buf_size)
677 memcpy(cp, temp_buf, buf_size);
678 memcpy(cp, temp_buf, n);
680 for (n = 0; n < rounds; n++) {
681 if (!EVP_DigestInit_ex(md2, sha, NULL))
683 if (!EVP_DigestUpdate(md2,
684 (n & 1) ? (unsigned const char *)p_bytes : buf,
685 (n & 1) ? passwd_len : buf_size))
688 if (!EVP_DigestUpdate(md2, s_bytes, salt_len))
692 if (!EVP_DigestUpdate(md2, p_bytes, passwd_len))
695 if (!EVP_DigestUpdate(md2,
696 (n & 1) ? buf : (unsigned const char *)p_bytes,
697 (n & 1) ? buf_size : passwd_len))
699 if (!EVP_DigestFinal_ex(md2, buf, NULL))
702 EVP_MD_CTX_free(md2);
706 OPENSSL_free(p_bytes);
707 OPENSSL_free(s_bytes);
711 cp = out_buf + strlen(out_buf);
712 *cp++ = ascii_dollar[0];
714 # define b64_from_24bit(B2, B1, B0, N) \
716 unsigned int w = ((B2) << 16) | ((B1) << 8) | (B0); \
720 *cp++ = cov_2char[w & 0x3f]; \
727 b64_from_24bit (buf[0], buf[10], buf[20], 4);
728 b64_from_24bit (buf[21], buf[1], buf[11], 4);
729 b64_from_24bit (buf[12], buf[22], buf[2], 4);
730 b64_from_24bit (buf[3], buf[13], buf[23], 4);
731 b64_from_24bit (buf[24], buf[4], buf[14], 4);
732 b64_from_24bit (buf[15], buf[25], buf[5], 4);
733 b64_from_24bit (buf[6], buf[16], buf[26], 4);
734 b64_from_24bit (buf[27], buf[7], buf[17], 4);
735 b64_from_24bit (buf[18], buf[28], buf[8], 4);
736 b64_from_24bit (buf[9], buf[19], buf[29], 4);
737 b64_from_24bit (0, buf[31], buf[30], 3);
740 b64_from_24bit (buf[0], buf[21], buf[42], 4);
741 b64_from_24bit (buf[22], buf[43], buf[1], 4);
742 b64_from_24bit (buf[44], buf[2], buf[23], 4);
743 b64_from_24bit (buf[3], buf[24], buf[45], 4);
744 b64_from_24bit (buf[25], buf[46], buf[4], 4);
745 b64_from_24bit (buf[47], buf[5], buf[26], 4);
746 b64_from_24bit (buf[6], buf[27], buf[48], 4);
747 b64_from_24bit (buf[28], buf[49], buf[7], 4);
748 b64_from_24bit (buf[50], buf[8], buf[29], 4);
749 b64_from_24bit (buf[9], buf[30], buf[51], 4);
750 b64_from_24bit (buf[31], buf[52], buf[10], 4);
751 b64_from_24bit (buf[53], buf[11], buf[32], 4);
752 b64_from_24bit (buf[12], buf[33], buf[54], 4);
753 b64_from_24bit (buf[34], buf[55], buf[13], 4);
754 b64_from_24bit (buf[56], buf[14], buf[35], 4);
755 b64_from_24bit (buf[15], buf[36], buf[57], 4);
756 b64_from_24bit (buf[37], buf[58], buf[16], 4);
757 b64_from_24bit (buf[59], buf[17], buf[38], 4);
758 b64_from_24bit (buf[18], buf[39], buf[60], 4);
759 b64_from_24bit (buf[40], buf[61], buf[19], 4);
760 b64_from_24bit (buf[62], buf[20], buf[41], 4);
761 b64_from_24bit (0, 0, buf[63], 2);
767 #ifdef CHARSET_EBCDIC
768 ascii2ebcdic(out_buf, out_buf, strlen(out_buf));
774 EVP_MD_CTX_free(md2);
776 OPENSSL_free(p_bytes);
777 OPENSSL_free(s_bytes);
778 OPENSSL_free(ascii_passwd);
782 static int do_passwd(int passed_salt, char **salt_p, char **salt_malloc_p,
783 char *passwd, BIO *out, int quiet, int table,
784 int reverse, size_t pw_maxlen, passwd_modes mode)
788 assert(salt_p != NULL);
789 assert(salt_malloc_p != NULL);
791 /* first make sure we have a salt */
796 #ifndef OPENSSL_NO_DES
797 if (mode == passwd_crypt)
799 #endif /* !OPENSSL_NO_DES */
801 if (mode == passwd_md5 || mode == passwd_apr1 || mode == passwd_aixmd5)
804 if (mode == passwd_sha256 || mode == passwd_sha512)
807 assert(saltlen != 0);
809 if (*salt_malloc_p == NULL)
810 *salt_p = *salt_malloc_p = app_malloc(saltlen + 1, "salt buffer");
811 if (RAND_bytes((unsigned char *)*salt_p, saltlen) <= 0)
814 for (i = 0; i < saltlen; i++)
815 (*salt_p)[i] = cov_2char[(*salt_p)[i] & 0x3f]; /* 6 bits */
817 # ifdef CHARSET_EBCDIC
818 /* The password encryption funtion will convert back to ASCII */
819 ascii2ebcdic(*salt_p, *salt_p, saltlen);
823 assert(*salt_p != NULL);
825 /* truncate password if necessary */
826 if ((strlen(passwd) > pw_maxlen)) {
829 * XXX: really we should know how to print a size_t, not cast it
832 "Warning: truncating password to %u characters\n",
833 (unsigned)pw_maxlen);
834 passwd[pw_maxlen] = 0;
836 assert(strlen(passwd) <= pw_maxlen);
838 /* now compute password hash */
839 #ifndef OPENSSL_NO_DES
840 if (mode == passwd_crypt)
841 hash = DES_crypt(passwd, *salt_p);
843 if (mode == passwd_md5 || mode == passwd_apr1)
844 hash = md5crypt(passwd, (mode == passwd_md5 ? "1" : "apr1"), *salt_p);
845 if (mode == passwd_aixmd5)
846 hash = md5crypt(passwd, "", *salt_p);
847 if (mode == passwd_sha256 || mode == passwd_sha512)
848 hash = shacrypt(passwd, (mode == passwd_sha256 ? "5" : "6"), *salt_p);
849 assert(hash != NULL);
851 if (table && !reverse)
852 BIO_printf(out, "%s\t%s\n", passwd, hash);
853 else if (table && reverse)
854 BIO_printf(out, "%s\t%s\n", hash, passwd);
856 BIO_printf(out, "%s\n", hash);