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 {"help", OPT_HELP, '-', "Display this summary"},
63 {"in", OPT_IN, '<', "Read passwords from file"},
64 {"noverify", OPT_NOVERIFY, '-',
65 "Never verify when reading password from terminal"},
66 {"quiet", OPT_QUIET, '-', "No warnings"},
67 {"table", OPT_TABLE, '-', "Format output as table"},
68 {"reverse", OPT_REVERSE, '-', "Switch table columns"},
69 {"salt", OPT_SALT, 's', "Use provided salt"},
70 {"stdin", OPT_STDIN, '-', "Read passwords from stdin"},
71 {"6", OPT_6, '-', "SHA512-based password algorithm"},
72 {"5", OPT_5, '-', "SHA256-based password algorithm"},
73 {"apr1", OPT_APR1, '-', "MD5-based password algorithm, Apache variant"},
74 {"1", OPT_1, '-', "MD5-based password algorithm"},
75 {"aixmd5", OPT_AIXMD5, '-', "AIX MD5-based password algorithm"},
76 #ifndef OPENSSL_NO_DES
77 {"crypt", OPT_CRYPT, '-', "Standard Unix password algorithm (default)"},
83 int passwd_main(int argc, char **argv)
86 char *infile = NULL, *salt = NULL, *passwd = NULL, **passwds = NULL;
87 char *salt_malloc = NULL, *passwd_malloc = NULL, *prog;
89 int in_stdin = 0, pw_source_defined = 0;
90 #ifndef OPENSSL_NO_UI_CONSOLE
93 int passed_salt = 0, quiet = 0, table = 0, reverse = 0;
95 passwd_modes mode = passwd_unset;
96 size_t passwd_malloc_size = 0;
97 size_t pw_maxlen = 256; /* arbitrary limit, should be enough for most
100 prog = opt_init(argc, argv, passwd_options);
101 while ((o = opt_next()) != OPT_EOF) {
106 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
109 opt_help(passwd_options);
113 if (pw_source_defined)
116 pw_source_defined = 1;
119 #ifndef OPENSSL_NO_UI_CONSOLE
133 if (mode != passwd_unset)
138 if (mode != passwd_unset)
140 mode = passwd_sha256;
143 if (mode != passwd_unset)
145 mode = passwd_sha512;
148 if (mode != passwd_unset)
153 if (mode != passwd_unset)
155 mode = passwd_aixmd5;
158 #ifndef OPENSSL_NO_DES
159 if (mode != passwd_unset)
169 if (pw_source_defined)
172 pw_source_defined = 1;
180 argc = opt_num_rest();
184 if (pw_source_defined)
186 pw_source_defined = 1;
190 if (mode == passwd_unset) {
195 #ifdef OPENSSL_NO_DES
196 if (mode == passwd_crypt)
200 if (infile != NULL && in_stdin) {
201 BIO_printf(bio_err, "%s: Can't combine -in and -stdin\n", prog);
205 if (infile != NULL || in_stdin) {
207 * If in_stdin is true, we know that infile is NULL, and that
208 * bio_open_default() will give us back an alias for stdin.
210 in = bio_open_default(infile, 'r', FORMAT_TEXT);
215 if (mode == passwd_crypt)
218 if (passwds == NULL) {
219 /* no passwords on the command line */
221 passwd_malloc_size = pw_maxlen + 2;
222 /* longer than necessary so that we can warn about truncation */
223 passwd = passwd_malloc =
224 app_malloc(passwd_malloc_size, "password buffer");
227 if ((in == NULL) && (passwds == NULL)) {
229 * we use the following method to make sure what
230 * in the 'else' section is always compiled, to
231 * avoid rot of not-frequently-used code.
234 #ifndef OPENSSL_NO_UI_CONSOLE
235 /* build a null-terminated list */
236 static char *passwds_static[2] = { NULL, NULL };
238 passwds = passwds_static;
240 if (EVP_read_pw_string
241 (passwd_malloc, passwd_malloc_size, "Password: ",
242 !(passed_salt || in_noverify)) != 0)
245 passwds[0] = passwd_malloc;
248 BIO_printf(bio_err, "password required\n");
254 assert(passwds != NULL);
255 assert(*passwds != NULL);
257 do { /* loop over list of passwords */
259 if (!do_passwd(passed_salt, &salt, &salt_malloc, passwd, bio_out,
260 quiet, table, reverse, pw_maxlen, mode))
262 } while (*passwds != NULL);
267 assert(passwd != NULL);
269 int r = BIO_gets(in, passwd, pw_maxlen + 1);
271 char *c = (strchr(passwd, '\n'));
273 *c = 0; /* truncate at newline */
275 /* ignore rest of line */
278 r = BIO_gets(in, trash, sizeof(trash));
279 while ((r > 0) && (!strchr(trash, '\n')));
283 (passed_salt, &salt, &salt_malloc, passwd, bio_out, quiet,
284 table, reverse, pw_maxlen, mode))
294 ERR_print_errors(bio_err);
296 OPENSSL_free(salt_malloc);
297 OPENSSL_free(passwd_malloc);
303 * MD5-based password algorithm (should probably be available as a library
304 * function; then the static buffer would not be acceptable). For magic
305 * string "1", this should be compatible to the MD5-based BSD password
306 * algorithm. For 'magic' string "apr1", this is compatible to the MD5-based
307 * Apache password algorithm. (Apparently, the Apache password algorithm is
308 * identical except that the 'magic' string was changed -- the laziest
309 * application of the NIH principle I've ever encountered.)
311 static char *md5crypt(const char *passwd, const char *magic, const char *salt)
313 /* "$apr1$..salt..$.......md5hash..........\0" */
314 static char out_buf[6 + 9 + 24 + 2];
315 unsigned char buf[MD5_DIGEST_LENGTH];
316 char ascii_magic[5]; /* "apr1" plus '\0' */
317 char ascii_salt[9]; /* Max 8 chars plus '\0' */
318 char *ascii_passwd = NULL;
322 EVP_MD_CTX *md = NULL, *md2 = NULL;
323 size_t passwd_len, salt_len, magic_len;
325 passwd_len = strlen(passwd);
328 magic_len = strlen(magic);
329 OPENSSL_strlcpy(ascii_magic, magic, sizeof(ascii_magic));
330 #ifdef CHARSET_EBCDIC
331 if ((magic[0] & 0x80) != 0) /* High bit is 1 in EBCDIC alnums */
332 ebcdic2ascii(ascii_magic, ascii_magic, magic_len);
335 /* The salt gets truncated to 8 chars */
336 OPENSSL_strlcpy(ascii_salt, salt, sizeof(ascii_salt));
337 salt_len = strlen(ascii_salt);
338 #ifdef CHARSET_EBCDIC
339 ebcdic2ascii(ascii_salt, ascii_salt, salt_len);
342 #ifdef CHARSET_EBCDIC
343 ascii_passwd = OPENSSL_strdup(passwd);
344 if (ascii_passwd == NULL)
346 ebcdic2ascii(ascii_passwd, ascii_passwd, passwd_len);
347 passwd = ascii_passwd;
351 OPENSSL_strlcat(out_buf, ascii_dollar, sizeof(out_buf));
353 if (magic_len > 4) /* assert it's "1" or "apr1" */
356 OPENSSL_strlcat(out_buf, ascii_magic, sizeof(out_buf));
357 OPENSSL_strlcat(out_buf, ascii_dollar, sizeof(out_buf));
360 OPENSSL_strlcat(out_buf, ascii_salt, sizeof(out_buf));
362 if (strlen(out_buf) > 6 + 8) /* assert "$apr1$..salt.." */
367 salt_out += 2 + magic_len;
372 md = EVP_MD_CTX_new();
374 || !EVP_DigestInit_ex(md, EVP_md5(), NULL)
375 || !EVP_DigestUpdate(md, passwd, passwd_len))
379 if (!EVP_DigestUpdate(md, ascii_dollar, 1)
380 || !EVP_DigestUpdate(md, ascii_magic, magic_len)
381 || !EVP_DigestUpdate(md, ascii_dollar, 1))
384 if (!EVP_DigestUpdate(md, ascii_salt, salt_len))
387 md2 = EVP_MD_CTX_new();
389 || !EVP_DigestInit_ex(md2, EVP_md5(), NULL)
390 || !EVP_DigestUpdate(md2, passwd, passwd_len)
391 || !EVP_DigestUpdate(md2, ascii_salt, salt_len)
392 || !EVP_DigestUpdate(md2, passwd, passwd_len)
393 || !EVP_DigestFinal_ex(md2, buf, NULL))
396 for (i = passwd_len; i > sizeof(buf); i -= sizeof(buf)) {
397 if (!EVP_DigestUpdate(md, buf, sizeof(buf)))
400 if (!EVP_DigestUpdate(md, buf, i))
405 if (!EVP_DigestUpdate(md, (n & 1) ? "\0" : passwd, 1))
409 if (!EVP_DigestFinal_ex(md, buf, NULL))
412 for (i = 0; i < 1000; i++) {
413 if (!EVP_DigestInit_ex(md2, EVP_md5(), NULL))
415 if (!EVP_DigestUpdate(md2,
416 (i & 1) ? (unsigned const char *)passwd : buf,
417 (i & 1) ? passwd_len : sizeof(buf)))
420 if (!EVP_DigestUpdate(md2, ascii_salt, salt_len))
424 if (!EVP_DigestUpdate(md2, passwd, passwd_len))
427 if (!EVP_DigestUpdate(md2,
428 (i & 1) ? buf : (unsigned const char *)passwd,
429 (i & 1) ? sizeof(buf) : passwd_len))
431 if (!EVP_DigestFinal_ex(md2, buf, NULL))
434 EVP_MD_CTX_free(md2);
440 /* transform buf into output string */
441 unsigned char buf_perm[sizeof(buf)];
445 /* silly output permutation */
446 for (dest = 0, source = 0; dest < 14;
447 dest++, source = (source + 6) % 17)
448 buf_perm[dest] = buf[source];
449 buf_perm[14] = buf[5];
450 buf_perm[15] = buf[11];
451 # ifndef PEDANTIC /* Unfortunately, this generates a "no
453 assert(16 == sizeof(buf_perm));
456 output = salt_out + salt_len;
457 assert(output == out_buf + strlen(out_buf));
459 *output++ = ascii_dollar[0];
461 for (i = 0; i < 15; i += 3) {
462 *output++ = cov_2char[buf_perm[i + 2] & 0x3f];
463 *output++ = cov_2char[((buf_perm[i + 1] & 0xf) << 2) |
464 (buf_perm[i + 2] >> 6)];
465 *output++ = cov_2char[((buf_perm[i] & 3) << 4) |
466 (buf_perm[i + 1] >> 4)];
467 *output++ = cov_2char[buf_perm[i] >> 2];
470 *output++ = cov_2char[buf_perm[i] & 0x3f];
471 *output++ = cov_2char[buf_perm[i] >> 6];
473 assert(strlen(out_buf) < sizeof(out_buf));
474 #ifdef CHARSET_EBCDIC
475 ascii2ebcdic(out_buf, out_buf, strlen(out_buf));
482 OPENSSL_free(ascii_passwd);
483 EVP_MD_CTX_free(md2);
489 * SHA based password algorithm, describe by Ulrich Drepper here:
490 * https://www.akkadia.org/drepper/SHA-crypt.txt
491 * (note that it's in the public domain)
493 static char *shacrypt(const char *passwd, const char *magic, const char *salt)
495 /* Prefix for optional rounds specification. */
496 static const char rounds_prefix[] = "rounds=";
497 /* Maximum salt string length. */
498 # define SALT_LEN_MAX 16
499 /* Default number of rounds if not explicitly specified. */
500 # define ROUNDS_DEFAULT 5000
501 /* Minimum number of rounds. */
502 # define ROUNDS_MIN 1000
503 /* Maximum number of rounds. */
504 # define ROUNDS_MAX 999999999
506 /* "$6$rounds=<N>$......salt......$...shahash(up to 86 chars)...\0" */
507 static char out_buf[3 + 17 + 17 + 86 + 1];
508 unsigned char buf[SHA512_DIGEST_LENGTH];
509 unsigned char temp_buf[SHA512_DIGEST_LENGTH];
512 char ascii_salt[17]; /* Max 16 chars plus '\0' */
513 char *ascii_passwd = NULL;
515 EVP_MD_CTX *md = NULL, *md2 = NULL;
516 const EVP_MD *sha = NULL;
517 size_t passwd_len, salt_len, magic_len;
518 unsigned int rounds = 5000; /* Default */
519 char rounds_custom = 0;
520 char *p_bytes = NULL;
521 char *s_bytes = NULL;
524 passwd_len = strlen(passwd);
525 magic_len = strlen(magic);
527 /* assert it's "5" or "6" */
544 if (strncmp(salt, rounds_prefix, sizeof(rounds_prefix) - 1) == 0) {
545 const char *num = salt + sizeof(rounds_prefix) - 1;
547 unsigned long int srounds = strtoul (num, &endp, 10);
550 if (srounds > ROUNDS_MAX)
552 else if (srounds < ROUNDS_MIN)
555 rounds = (unsigned int)srounds;
562 OPENSSL_strlcpy(ascii_magic, magic, sizeof(ascii_magic));
563 #ifdef CHARSET_EBCDIC
564 if ((magic[0] & 0x80) != 0) /* High bit is 1 in EBCDIC alnums */
565 ebcdic2ascii(ascii_magic, ascii_magic, magic_len);
568 /* The salt gets truncated to 16 chars */
569 OPENSSL_strlcpy(ascii_salt, salt, sizeof(ascii_salt));
570 salt_len = strlen(ascii_salt);
571 #ifdef CHARSET_EBCDIC
572 ebcdic2ascii(ascii_salt, ascii_salt, salt_len);
575 #ifdef CHARSET_EBCDIC
576 ascii_passwd = OPENSSL_strdup(passwd);
577 if (ascii_passwd == NULL)
579 ebcdic2ascii(ascii_passwd, ascii_passwd, passwd_len);
580 passwd = ascii_passwd;
584 OPENSSL_strlcat(out_buf, ascii_dollar, sizeof(out_buf));
585 OPENSSL_strlcat(out_buf, ascii_magic, sizeof(out_buf));
586 OPENSSL_strlcat(out_buf, ascii_dollar, sizeof(out_buf));
588 char tmp_buf[80]; /* "rounds=999999999" */
589 sprintf(tmp_buf, "rounds=%u", rounds);
590 #ifdef CHARSET_EBCDIC
591 /* In case we're really on a ASCII based platform and just pretend */
592 if (tmp_buf[0] != 0x72) /* ASCII 'r' */
593 ebcdic2ascii(tmp_buf, tmp_buf, strlen(tmp_buf));
595 OPENSSL_strlcat(out_buf, tmp_buf, sizeof(out_buf));
596 OPENSSL_strlcat(out_buf, ascii_dollar, sizeof(out_buf));
598 OPENSSL_strlcat(out_buf, ascii_salt, sizeof(out_buf));
600 /* assert "$5$rounds=999999999$......salt......" */
601 if (strlen(out_buf) > 3 + 17 * rounds_custom + salt_len )
604 md = EVP_MD_CTX_new();
606 || !EVP_DigestInit_ex(md, sha, NULL)
607 || !EVP_DigestUpdate(md, passwd, passwd_len)
608 || !EVP_DigestUpdate(md, ascii_salt, salt_len))
611 md2 = EVP_MD_CTX_new();
613 || !EVP_DigestInit_ex(md2, sha, NULL)
614 || !EVP_DigestUpdate(md2, passwd, passwd_len)
615 || !EVP_DigestUpdate(md2, ascii_salt, salt_len)
616 || !EVP_DigestUpdate(md2, passwd, passwd_len)
617 || !EVP_DigestFinal_ex(md2, buf, NULL))
620 for (n = passwd_len; n > buf_size; n -= buf_size) {
621 if (!EVP_DigestUpdate(md, buf, buf_size))
624 if (!EVP_DigestUpdate(md, buf, n))
629 if (!EVP_DigestUpdate(md,
630 (n & 1) ? buf : (unsigned const char *)passwd,
631 (n & 1) ? buf_size : passwd_len))
635 if (!EVP_DigestFinal_ex(md, buf, NULL))
639 if (!EVP_DigestInit_ex(md2, sha, NULL))
642 for (n = passwd_len; n > 0; n--)
643 if (!EVP_DigestUpdate(md2, passwd, passwd_len))
646 if (!EVP_DigestFinal_ex(md2, temp_buf, NULL))
649 if ((p_bytes = OPENSSL_zalloc(passwd_len)) == NULL)
651 for (cp = p_bytes, n = passwd_len; n > buf_size; n -= buf_size, cp += buf_size)
652 memcpy(cp, temp_buf, buf_size);
653 memcpy(cp, temp_buf, n);
656 if (!EVP_DigestInit_ex(md2, sha, NULL))
659 for (n = 16 + buf[0]; n > 0; n--)
660 if (!EVP_DigestUpdate(md2, ascii_salt, salt_len))
663 if (!EVP_DigestFinal_ex(md2, temp_buf, NULL))
666 if ((s_bytes = OPENSSL_zalloc(salt_len)) == NULL)
668 for (cp = s_bytes, n = salt_len; n > buf_size; n -= buf_size, cp += buf_size)
669 memcpy(cp, temp_buf, buf_size);
670 memcpy(cp, temp_buf, n);
672 for (n = 0; n < rounds; n++) {
673 if (!EVP_DigestInit_ex(md2, sha, NULL))
675 if (!EVP_DigestUpdate(md2,
676 (n & 1) ? (unsigned const char *)p_bytes : buf,
677 (n & 1) ? passwd_len : buf_size))
680 if (!EVP_DigestUpdate(md2, s_bytes, salt_len))
684 if (!EVP_DigestUpdate(md2, p_bytes, passwd_len))
687 if (!EVP_DigestUpdate(md2,
688 (n & 1) ? buf : (unsigned const char *)p_bytes,
689 (n & 1) ? buf_size : passwd_len))
691 if (!EVP_DigestFinal_ex(md2, buf, NULL))
694 EVP_MD_CTX_free(md2);
698 OPENSSL_free(p_bytes);
699 OPENSSL_free(s_bytes);
703 cp = out_buf + strlen(out_buf);
704 *cp++ = ascii_dollar[0];
706 # define b64_from_24bit(B2, B1, B0, N) \
708 unsigned int w = ((B2) << 16) | ((B1) << 8) | (B0); \
712 *cp++ = cov_2char[w & 0x3f]; \
719 b64_from_24bit (buf[0], buf[10], buf[20], 4);
720 b64_from_24bit (buf[21], buf[1], buf[11], 4);
721 b64_from_24bit (buf[12], buf[22], buf[2], 4);
722 b64_from_24bit (buf[3], buf[13], buf[23], 4);
723 b64_from_24bit (buf[24], buf[4], buf[14], 4);
724 b64_from_24bit (buf[15], buf[25], buf[5], 4);
725 b64_from_24bit (buf[6], buf[16], buf[26], 4);
726 b64_from_24bit (buf[27], buf[7], buf[17], 4);
727 b64_from_24bit (buf[18], buf[28], buf[8], 4);
728 b64_from_24bit (buf[9], buf[19], buf[29], 4);
729 b64_from_24bit (0, buf[31], buf[30], 3);
732 b64_from_24bit (buf[0], buf[21], buf[42], 4);
733 b64_from_24bit (buf[22], buf[43], buf[1], 4);
734 b64_from_24bit (buf[44], buf[2], buf[23], 4);
735 b64_from_24bit (buf[3], buf[24], buf[45], 4);
736 b64_from_24bit (buf[25], buf[46], buf[4], 4);
737 b64_from_24bit (buf[47], buf[5], buf[26], 4);
738 b64_from_24bit (buf[6], buf[27], buf[48], 4);
739 b64_from_24bit (buf[28], buf[49], buf[7], 4);
740 b64_from_24bit (buf[50], buf[8], buf[29], 4);
741 b64_from_24bit (buf[9], buf[30], buf[51], 4);
742 b64_from_24bit (buf[31], buf[52], buf[10], 4);
743 b64_from_24bit (buf[53], buf[11], buf[32], 4);
744 b64_from_24bit (buf[12], buf[33], buf[54], 4);
745 b64_from_24bit (buf[34], buf[55], buf[13], 4);
746 b64_from_24bit (buf[56], buf[14], buf[35], 4);
747 b64_from_24bit (buf[15], buf[36], buf[57], 4);
748 b64_from_24bit (buf[37], buf[58], buf[16], 4);
749 b64_from_24bit (buf[59], buf[17], buf[38], 4);
750 b64_from_24bit (buf[18], buf[39], buf[60], 4);
751 b64_from_24bit (buf[40], buf[61], buf[19], 4);
752 b64_from_24bit (buf[62], buf[20], buf[41], 4);
753 b64_from_24bit (0, 0, buf[63], 2);
759 #ifdef CHARSET_EBCDIC
760 ascii2ebcdic(out_buf, out_buf, strlen(out_buf));
766 EVP_MD_CTX_free(md2);
768 OPENSSL_free(p_bytes);
769 OPENSSL_free(s_bytes);
770 OPENSSL_free(ascii_passwd);
774 static int do_passwd(int passed_salt, char **salt_p, char **salt_malloc_p,
775 char *passwd, BIO *out, int quiet, int table,
776 int reverse, size_t pw_maxlen, passwd_modes mode)
780 assert(salt_p != NULL);
781 assert(salt_malloc_p != NULL);
783 /* first make sure we have a salt */
788 #ifndef OPENSSL_NO_DES
789 if (mode == passwd_crypt)
791 #endif /* !OPENSSL_NO_DES */
793 if (mode == passwd_md5 || mode == passwd_apr1 || mode == passwd_aixmd5)
796 if (mode == passwd_sha256 || mode == passwd_sha512)
799 assert(saltlen != 0);
801 if (*salt_malloc_p == NULL)
802 *salt_p = *salt_malloc_p = app_malloc(saltlen + 1, "salt buffer");
803 if (RAND_bytes((unsigned char *)*salt_p, saltlen) <= 0)
806 for (i = 0; i < saltlen; i++)
807 (*salt_p)[i] = cov_2char[(*salt_p)[i] & 0x3f]; /* 6 bits */
809 # ifdef CHARSET_EBCDIC
810 /* The password encryption funtion will convert back to ASCII */
811 ascii2ebcdic(*salt_p, *salt_p, saltlen);
815 assert(*salt_p != NULL);
817 /* truncate password if necessary */
818 if ((strlen(passwd) > pw_maxlen)) {
821 * XXX: really we should know how to print a size_t, not cast it
824 "Warning: truncating password to %u characters\n",
825 (unsigned)pw_maxlen);
826 passwd[pw_maxlen] = 0;
828 assert(strlen(passwd) <= pw_maxlen);
830 /* now compute password hash */
831 #ifndef OPENSSL_NO_DES
832 if (mode == passwd_crypt)
833 hash = DES_crypt(passwd, *salt_p);
835 if (mode == passwd_md5 || mode == passwd_apr1)
836 hash = md5crypt(passwd, (mode == passwd_md5 ? "1" : "apr1"), *salt_p);
837 if (mode == passwd_aixmd5)
838 hash = md5crypt(passwd, "", *salt_p);
839 if (mode == passwd_sha256 || mode == passwd_sha512)
840 hash = shacrypt(passwd, (mode == passwd_sha256 ? "5" : "6"), *salt_p);
841 assert(hash != NULL);
843 if (table && !reverse)
844 BIO_printf(out, "%s\t%s\n", passwd, hash);
845 else if (table && reverse)
846 BIO_printf(out, "%s\t%s\n", hash, passwd);
848 BIO_printf(out, "%s\n", hash);