2 * Copyright 2000-2021 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 #if !defined(OPENSSL_NO_DES) && !defined(OPENSSL_NO_DEPRECATED_3_0)
20 # include <openssl/des.h>
22 #include <openssl/md5.h>
23 #include <openssl/sha.h>
25 static const unsigned 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 };
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_AIXMD5, OPT_SALT, OPT_STDIN,
57 OPT_R_ENUM, OPT_PROV_ENUM
60 const OPTIONS passwd_options[] = {
61 {OPT_HELP_STR, 1, '-', "Usage: %s [options] [password]\n"},
63 OPT_SECTION("General"),
64 {"help", OPT_HELP, '-', "Display this summary"},
67 {"in", OPT_IN, '<', "Read passwords from file"},
68 {"noverify", OPT_NOVERIFY, '-',
69 "Never verify when reading password from terminal"},
70 {"stdin", OPT_STDIN, '-', "Read passwords from stdin"},
72 OPT_SECTION("Output"),
73 {"quiet", OPT_QUIET, '-', "No warnings"},
74 {"table", OPT_TABLE, '-', "Format output as table"},
75 {"reverse", OPT_REVERSE, '-', "Switch table columns"},
77 OPT_SECTION("Cryptographic"),
78 {"salt", OPT_SALT, 's', "Use provided salt"},
79 {"6", OPT_6, '-', "SHA512-based password algorithm"},
80 {"5", OPT_5, '-', "SHA256-based password algorithm"},
81 {"apr1", OPT_APR1, '-', "MD5-based password algorithm, Apache variant"},
82 {"1", OPT_1, '-', "MD5-based password algorithm"},
83 {"aixmd5", OPT_AIXMD5, '-', "AIX MD5-based password algorithm"},
89 {"password", 0, 0, "Password text to digest (optional)"},
93 int passwd_main(int argc, char **argv)
96 char *infile = NULL, *salt = NULL, *passwd = NULL, **passwds = NULL;
97 char *salt_malloc = NULL, *passwd_malloc = NULL, *prog;
99 int in_stdin = 0, pw_source_defined = 0;
100 #ifndef OPENSSL_NO_UI_CONSOLE
103 int passed_salt = 0, quiet = 0, table = 0, reverse = 0;
105 passwd_modes mode = passwd_unset;
106 size_t passwd_malloc_size = 0;
107 size_t pw_maxlen = 256; /* arbitrary limit, should be enough for most
110 prog = opt_init(argc, argv, passwd_options);
111 while ((o = opt_next()) != OPT_EOF) {
116 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
119 opt_help(passwd_options);
123 if (pw_source_defined)
126 pw_source_defined = 1;
129 #ifndef OPENSSL_NO_UI_CONSOLE
143 if (mode != passwd_unset)
148 if (mode != passwd_unset)
150 mode = passwd_sha256;
153 if (mode != passwd_unset)
155 mode = passwd_sha512;
158 if (mode != passwd_unset)
163 if (mode != passwd_unset)
165 mode = passwd_aixmd5;
172 if (pw_source_defined)
175 pw_source_defined = 1;
182 if (!opt_provider(o))
188 /* All remaining arguments are the password text */
189 argc = opt_num_rest();
192 if (pw_source_defined)
194 pw_source_defined = 1;
199 if (mode == passwd_unset) {
204 if (infile != NULL && in_stdin) {
205 BIO_printf(bio_err, "%s: Can't combine -in and -stdin\n", prog);
209 if (infile != NULL || in_stdin) {
211 * If in_stdin is true, we know that infile is NULL, and that
212 * bio_open_default() will give us back an alias for stdin.
214 in = bio_open_default(infile, 'r', FORMAT_TEXT);
219 if (passwds == NULL) {
220 /* no passwords on the command line */
222 passwd_malloc_size = pw_maxlen + 2;
223 /* longer than necessary so that we can warn about truncation */
224 passwd = passwd_malloc =
225 app_malloc(passwd_malloc_size, "password buffer");
228 if ((in == NULL) && (passwds == NULL)) {
230 * we use the following method to make sure what
231 * in the 'else' section is always compiled, to
232 * avoid rot of not-frequently-used code.
235 #ifndef OPENSSL_NO_UI_CONSOLE
236 /* build a null-terminated list */
237 static char *passwds_static[2] = { NULL, NULL };
239 passwds = passwds_static;
241 if (EVP_read_pw_string
242 (passwd_malloc, passwd_malloc_size, "Password: ",
243 !(passed_salt || in_noverify)) != 0)
246 passwds[0] = passwd_malloc;
249 BIO_printf(bio_err, "password required\n");
255 assert(passwds != NULL);
256 assert(*passwds != NULL);
258 do { /* loop over list of passwords */
260 if (!do_passwd(passed_salt, &salt, &salt_malloc, passwd, bio_out,
261 quiet, table, reverse, pw_maxlen, mode))
263 } while (*passwds != NULL);
268 assert(passwd != NULL);
270 int r = BIO_gets(in, passwd, pw_maxlen + 1);
272 char *c = (strchr(passwd, '\n'));
274 *c = 0; /* truncate at newline */
276 /* ignore rest of line */
279 r = BIO_gets(in, trash, sizeof(trash));
280 while ((r > 0) && (!strchr(trash, '\n')));
284 (passed_salt, &salt, &salt_malloc, passwd, bio_out, quiet,
285 table, reverse, pw_maxlen, mode))
295 ERR_print_errors(bio_err);
297 OPENSSL_free(salt_malloc);
298 OPENSSL_free(passwd_malloc);
304 * MD5-based password algorithm (should probably be available as a library
305 * function; then the static buffer would not be acceptable). For magic
306 * string "1", this should be compatible to the MD5-based BSD password
307 * algorithm. For 'magic' string "apr1", this is compatible to the MD5-based
308 * Apache password algorithm. (Apparently, the Apache password algorithm is
309 * identical except that the 'magic' string was changed -- the laziest
310 * application of the NIH principle I've ever encountered.)
312 static char *md5crypt(const char *passwd, const char *magic, const char *salt)
314 /* "$apr1$..salt..$.......md5hash..........\0" */
315 static char out_buf[6 + 9 + 24 + 2];
316 unsigned char buf[MD5_DIGEST_LENGTH];
317 char ascii_magic[5]; /* "apr1" plus '\0' */
318 char ascii_salt[9]; /* Max 8 chars plus '\0' */
319 char *ascii_passwd = NULL;
323 EVP_MD_CTX *md = NULL, *md2 = NULL;
324 size_t passwd_len, salt_len, magic_len;
326 passwd_len = strlen(passwd);
329 magic_len = strlen(magic);
330 OPENSSL_strlcpy(ascii_magic, magic, sizeof(ascii_magic));
331 #ifdef CHARSET_EBCDIC
332 if ((magic[0] & 0x80) != 0) /* High bit is 1 in EBCDIC alnums */
333 ebcdic2ascii(ascii_magic, ascii_magic, magic_len);
336 /* The salt gets truncated to 8 chars */
337 OPENSSL_strlcpy(ascii_salt, salt, sizeof(ascii_salt));
338 salt_len = strlen(ascii_salt);
339 #ifdef CHARSET_EBCDIC
340 ebcdic2ascii(ascii_salt, ascii_salt, salt_len);
343 #ifdef CHARSET_EBCDIC
344 ascii_passwd = OPENSSL_strdup(passwd);
345 if (ascii_passwd == NULL)
347 ebcdic2ascii(ascii_passwd, ascii_passwd, passwd_len);
348 passwd = ascii_passwd;
352 OPENSSL_strlcat(out_buf, ascii_dollar, sizeof(out_buf));
354 if (magic_len > 4) /* assert it's "1" or "apr1" */
357 OPENSSL_strlcat(out_buf, ascii_magic, sizeof(out_buf));
358 OPENSSL_strlcat(out_buf, ascii_dollar, sizeof(out_buf));
361 OPENSSL_strlcat(out_buf, ascii_salt, sizeof(out_buf));
363 if (strlen(out_buf) > 6 + 8) /* assert "$apr1$..salt.." */
368 salt_out += 2 + magic_len;
373 md = EVP_MD_CTX_new();
375 || !EVP_DigestInit_ex(md, EVP_md5(), NULL)
376 || !EVP_DigestUpdate(md, passwd, passwd_len))
380 if (!EVP_DigestUpdate(md, ascii_dollar, 1)
381 || !EVP_DigestUpdate(md, ascii_magic, magic_len)
382 || !EVP_DigestUpdate(md, ascii_dollar, 1))
385 if (!EVP_DigestUpdate(md, ascii_salt, salt_len))
388 md2 = EVP_MD_CTX_new();
390 || !EVP_DigestInit_ex(md2, EVP_md5(), NULL)
391 || !EVP_DigestUpdate(md2, passwd, passwd_len)
392 || !EVP_DigestUpdate(md2, ascii_salt, salt_len)
393 || !EVP_DigestUpdate(md2, passwd, passwd_len)
394 || !EVP_DigestFinal_ex(md2, buf, NULL))
397 for (i = passwd_len; i > sizeof(buf); i -= sizeof(buf)) {
398 if (!EVP_DigestUpdate(md, buf, sizeof(buf)))
401 if (!EVP_DigestUpdate(md, buf, i))
406 if (!EVP_DigestUpdate(md, (n & 1) ? "\0" : passwd, 1))
410 if (!EVP_DigestFinal_ex(md, buf, NULL))
413 for (i = 0; i < 1000; i++) {
414 if (!EVP_DigestInit_ex(md2, EVP_md5(), NULL))
416 if (!EVP_DigestUpdate(md2,
417 (i & 1) ? (const unsigned char *)passwd : buf,
418 (i & 1) ? passwd_len : sizeof(buf)))
421 if (!EVP_DigestUpdate(md2, ascii_salt, salt_len))
425 if (!EVP_DigestUpdate(md2, passwd, passwd_len))
428 if (!EVP_DigestUpdate(md2,
429 (i & 1) ? buf : (const unsigned char *)passwd,
430 (i & 1) ? sizeof(buf) : passwd_len))
432 if (!EVP_DigestFinal_ex(md2, buf, NULL))
435 EVP_MD_CTX_free(md2);
441 /* transform buf into output string */
442 unsigned char buf_perm[sizeof(buf)];
446 /* silly output permutation */
447 for (dest = 0, source = 0; dest < 14;
448 dest++, source = (source + 6) % 17)
449 buf_perm[dest] = buf[source];
450 buf_perm[14] = buf[5];
451 buf_perm[15] = buf[11];
452 # ifndef PEDANTIC /* Unfortunately, this generates a "no
454 assert(16 == sizeof(buf_perm));
457 output = salt_out + salt_len;
458 assert(output == out_buf + strlen(out_buf));
460 *output++ = ascii_dollar[0];
462 for (i = 0; i < 15; i += 3) {
463 *output++ = cov_2char[buf_perm[i + 2] & 0x3f];
464 *output++ = cov_2char[((buf_perm[i + 1] & 0xf) << 2) |
465 (buf_perm[i + 2] >> 6)];
466 *output++ = cov_2char[((buf_perm[i] & 3) << 4) |
467 (buf_perm[i + 1] >> 4)];
468 *output++ = cov_2char[buf_perm[i] >> 2];
471 *output++ = cov_2char[buf_perm[i] & 0x3f];
472 *output++ = cov_2char[buf_perm[i] >> 6];
474 assert(strlen(out_buf) < sizeof(out_buf));
475 #ifdef CHARSET_EBCDIC
476 ascii2ebcdic(out_buf, out_buf, strlen(out_buf));
483 OPENSSL_free(ascii_passwd);
484 EVP_MD_CTX_free(md2);
490 * SHA based password algorithm, describe by Ulrich Drepper here:
491 * https://www.akkadia.org/drepper/SHA-crypt.txt
492 * (note that it's in the public domain)
494 static char *shacrypt(const char *passwd, const char *magic, const char *salt)
496 /* Prefix for optional rounds specification. */
497 static const char rounds_prefix[] = "rounds=";
498 /* Maximum salt string length. */
499 # define SALT_LEN_MAX 16
500 /* Default number of rounds if not explicitly specified. */
501 # define ROUNDS_DEFAULT 5000
502 /* Minimum number of rounds. */
503 # define ROUNDS_MIN 1000
504 /* Maximum number of rounds. */
505 # define ROUNDS_MAX 999999999
507 /* "$6$rounds=<N>$......salt......$...shahash(up to 86 chars)...\0" */
508 static char out_buf[3 + 17 + 17 + 86 + 1];
509 unsigned char buf[SHA512_DIGEST_LENGTH];
510 unsigned char temp_buf[SHA512_DIGEST_LENGTH];
513 char ascii_salt[17]; /* Max 16 chars plus '\0' */
514 char *ascii_passwd = NULL;
516 EVP_MD_CTX *md = NULL, *md2 = NULL;
517 const EVP_MD *sha = NULL;
518 size_t passwd_len, salt_len, magic_len;
519 unsigned int rounds = 5000; /* Default */
520 char rounds_custom = 0;
521 char *p_bytes = NULL;
522 char *s_bytes = NULL;
525 passwd_len = strlen(passwd);
526 magic_len = strlen(magic);
528 /* assert it's "5" or "6" */
545 if (strncmp(salt, rounds_prefix, sizeof(rounds_prefix) - 1) == 0) {
546 const char *num = salt + sizeof(rounds_prefix) - 1;
548 unsigned long int srounds = strtoul (num, &endp, 10);
551 if (srounds > ROUNDS_MAX)
553 else if (srounds < ROUNDS_MIN)
556 rounds = (unsigned int)srounds;
563 OPENSSL_strlcpy(ascii_magic, magic, sizeof(ascii_magic));
564 #ifdef CHARSET_EBCDIC
565 if ((magic[0] & 0x80) != 0) /* High bit is 1 in EBCDIC alnums */
566 ebcdic2ascii(ascii_magic, ascii_magic, magic_len);
569 /* The salt gets truncated to 16 chars */
570 OPENSSL_strlcpy(ascii_salt, salt, sizeof(ascii_salt));
571 salt_len = strlen(ascii_salt);
572 #ifdef CHARSET_EBCDIC
573 ebcdic2ascii(ascii_salt, ascii_salt, salt_len);
576 #ifdef CHARSET_EBCDIC
577 ascii_passwd = OPENSSL_strdup(passwd);
578 if (ascii_passwd == NULL)
580 ebcdic2ascii(ascii_passwd, ascii_passwd, passwd_len);
581 passwd = ascii_passwd;
585 OPENSSL_strlcat(out_buf, ascii_dollar, sizeof(out_buf));
586 OPENSSL_strlcat(out_buf, ascii_magic, sizeof(out_buf));
587 OPENSSL_strlcat(out_buf, ascii_dollar, sizeof(out_buf));
589 char tmp_buf[80]; /* "rounds=999999999" */
590 sprintf(tmp_buf, "rounds=%u", rounds);
591 #ifdef CHARSET_EBCDIC
592 /* In case we're really on a ASCII based platform and just pretend */
593 if (tmp_buf[0] != 0x72) /* ASCII 'r' */
594 ebcdic2ascii(tmp_buf, tmp_buf, strlen(tmp_buf));
596 OPENSSL_strlcat(out_buf, tmp_buf, sizeof(out_buf));
597 OPENSSL_strlcat(out_buf, ascii_dollar, sizeof(out_buf));
599 OPENSSL_strlcat(out_buf, ascii_salt, sizeof(out_buf));
601 /* assert "$5$rounds=999999999$......salt......" */
602 if (strlen(out_buf) > 3 + 17 * rounds_custom + salt_len )
605 md = EVP_MD_CTX_new();
607 || !EVP_DigestInit_ex(md, sha, NULL)
608 || !EVP_DigestUpdate(md, passwd, passwd_len)
609 || !EVP_DigestUpdate(md, ascii_salt, salt_len))
612 md2 = EVP_MD_CTX_new();
614 || !EVP_DigestInit_ex(md2, sha, NULL)
615 || !EVP_DigestUpdate(md2, passwd, passwd_len)
616 || !EVP_DigestUpdate(md2, ascii_salt, salt_len)
617 || !EVP_DigestUpdate(md2, passwd, passwd_len)
618 || !EVP_DigestFinal_ex(md2, buf, NULL))
621 for (n = passwd_len; n > buf_size; n -= buf_size) {
622 if (!EVP_DigestUpdate(md, buf, buf_size))
625 if (!EVP_DigestUpdate(md, buf, n))
630 if (!EVP_DigestUpdate(md,
631 (n & 1) ? buf : (const unsigned char *)passwd,
632 (n & 1) ? buf_size : passwd_len))
636 if (!EVP_DigestFinal_ex(md, buf, NULL))
640 if (!EVP_DigestInit_ex(md2, sha, NULL))
643 for (n = passwd_len; n > 0; n--)
644 if (!EVP_DigestUpdate(md2, passwd, passwd_len))
647 if (!EVP_DigestFinal_ex(md2, temp_buf, NULL))
650 if ((p_bytes = OPENSSL_zalloc(passwd_len)) == NULL)
652 for (cp = p_bytes, n = passwd_len; n > buf_size; n -= buf_size, cp += buf_size)
653 memcpy(cp, temp_buf, buf_size);
654 memcpy(cp, temp_buf, n);
657 if (!EVP_DigestInit_ex(md2, sha, NULL))
660 for (n = 16 + buf[0]; n > 0; n--)
661 if (!EVP_DigestUpdate(md2, ascii_salt, salt_len))
664 if (!EVP_DigestFinal_ex(md2, temp_buf, NULL))
667 if ((s_bytes = OPENSSL_zalloc(salt_len)) == NULL)
669 for (cp = s_bytes, n = salt_len; n > buf_size; n -= buf_size, cp += buf_size)
670 memcpy(cp, temp_buf, buf_size);
671 memcpy(cp, temp_buf, n);
673 for (n = 0; n < rounds; n++) {
674 if (!EVP_DigestInit_ex(md2, sha, NULL))
676 if (!EVP_DigestUpdate(md2,
677 (n & 1) ? (const unsigned char *)p_bytes : buf,
678 (n & 1) ? passwd_len : buf_size))
681 if (!EVP_DigestUpdate(md2, s_bytes, salt_len))
685 if (!EVP_DigestUpdate(md2, p_bytes, passwd_len))
688 if (!EVP_DigestUpdate(md2,
689 (n & 1) ? buf : (const unsigned char *)p_bytes,
690 (n & 1) ? buf_size : passwd_len))
692 if (!EVP_DigestFinal_ex(md2, buf, NULL))
695 EVP_MD_CTX_free(md2);
699 OPENSSL_free(p_bytes);
700 OPENSSL_free(s_bytes);
704 cp = out_buf + strlen(out_buf);
705 *cp++ = ascii_dollar[0];
707 # define b64_from_24bit(B2, B1, B0, N) \
709 unsigned int w = ((B2) << 16) | ((B1) << 8) | (B0); \
713 *cp++ = cov_2char[w & 0x3f]; \
720 b64_from_24bit (buf[0], buf[10], buf[20], 4);
721 b64_from_24bit (buf[21], buf[1], buf[11], 4);
722 b64_from_24bit (buf[12], buf[22], buf[2], 4);
723 b64_from_24bit (buf[3], buf[13], buf[23], 4);
724 b64_from_24bit (buf[24], buf[4], buf[14], 4);
725 b64_from_24bit (buf[15], buf[25], buf[5], 4);
726 b64_from_24bit (buf[6], buf[16], buf[26], 4);
727 b64_from_24bit (buf[27], buf[7], buf[17], 4);
728 b64_from_24bit (buf[18], buf[28], buf[8], 4);
729 b64_from_24bit (buf[9], buf[19], buf[29], 4);
730 b64_from_24bit (0, buf[31], buf[30], 3);
733 b64_from_24bit (buf[0], buf[21], buf[42], 4);
734 b64_from_24bit (buf[22], buf[43], buf[1], 4);
735 b64_from_24bit (buf[44], buf[2], buf[23], 4);
736 b64_from_24bit (buf[3], buf[24], buf[45], 4);
737 b64_from_24bit (buf[25], buf[46], buf[4], 4);
738 b64_from_24bit (buf[47], buf[5], buf[26], 4);
739 b64_from_24bit (buf[6], buf[27], buf[48], 4);
740 b64_from_24bit (buf[28], buf[49], buf[7], 4);
741 b64_from_24bit (buf[50], buf[8], buf[29], 4);
742 b64_from_24bit (buf[9], buf[30], buf[51], 4);
743 b64_from_24bit (buf[31], buf[52], buf[10], 4);
744 b64_from_24bit (buf[53], buf[11], buf[32], 4);
745 b64_from_24bit (buf[12], buf[33], buf[54], 4);
746 b64_from_24bit (buf[34], buf[55], buf[13], 4);
747 b64_from_24bit (buf[56], buf[14], buf[35], 4);
748 b64_from_24bit (buf[15], buf[36], buf[57], 4);
749 b64_from_24bit (buf[37], buf[58], buf[16], 4);
750 b64_from_24bit (buf[59], buf[17], buf[38], 4);
751 b64_from_24bit (buf[18], buf[39], buf[60], 4);
752 b64_from_24bit (buf[40], buf[61], buf[19], 4);
753 b64_from_24bit (buf[62], buf[20], buf[41], 4);
754 b64_from_24bit (0, 0, buf[63], 2);
760 #ifdef CHARSET_EBCDIC
761 ascii2ebcdic(out_buf, out_buf, strlen(out_buf));
767 EVP_MD_CTX_free(md2);
769 OPENSSL_free(p_bytes);
770 OPENSSL_free(s_bytes);
771 OPENSSL_free(ascii_passwd);
775 static int do_passwd(int passed_salt, char **salt_p, char **salt_malloc_p,
776 char *passwd, BIO *out, int quiet, int table,
777 int reverse, size_t pw_maxlen, passwd_modes mode)
781 assert(salt_p != NULL);
782 assert(salt_malloc_p != NULL);
784 /* first make sure we have a salt */
789 if (mode == passwd_md5 || mode == passwd_apr1 || mode == passwd_aixmd5)
792 if (mode == passwd_sha256 || mode == passwd_sha512)
795 assert(saltlen != 0);
797 if (*salt_malloc_p == NULL)
798 *salt_p = *salt_malloc_p = app_malloc(saltlen + 1, "salt buffer");
799 if (RAND_bytes((unsigned char *)*salt_p, saltlen) <= 0)
802 for (i = 0; i < saltlen; i++)
803 (*salt_p)[i] = cov_2char[(*salt_p)[i] & 0x3f]; /* 6 bits */
805 # ifdef CHARSET_EBCDIC
806 /* The password encryption function will convert back to ASCII */
807 ascii2ebcdic(*salt_p, *salt_p, saltlen);
811 assert(*salt_p != NULL);
813 /* truncate password if necessary */
814 if ((strlen(passwd) > pw_maxlen)) {
817 * XXX: really we should know how to print a size_t, not cast it
820 "Warning: truncating password to %u characters\n",
821 (unsigned)pw_maxlen);
822 passwd[pw_maxlen] = 0;
824 assert(strlen(passwd) <= pw_maxlen);
826 /* now compute password hash */
827 if (mode == passwd_md5 || mode == passwd_apr1)
828 hash = md5crypt(passwd, (mode == passwd_md5 ? "1" : "apr1"), *salt_p);
829 if (mode == passwd_aixmd5)
830 hash = md5crypt(passwd, "", *salt_p);
831 if (mode == passwd_sha256 || mode == passwd_sha512)
832 hash = shacrypt(passwd, (mode == passwd_sha256 ? "5" : "6"), *salt_p);
833 assert(hash != NULL);
835 if (table && !reverse)
836 BIO_printf(out, "%s\t%s\n", passwd, hash);
837 else if (table && reverse)
838 BIO_printf(out, "%s\t%s\n", hash, passwd);
840 BIO_printf(out, "%s\n", hash);