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_HELP_STR, 1, '-', "Usage: %s [options] [password]\n"},
64 OPT_SECTION("General"),
65 {"help", OPT_HELP, '-', "Display this summary"},
68 {"in", OPT_IN, '<', "Read passwords from file"},
69 {"noverify", OPT_NOVERIFY, '-',
70 "Never verify when reading password from terminal"},
71 {"stdin", OPT_STDIN, '-', "Read passwords from stdin"},
73 OPT_SECTION("Output"),
74 {"quiet", OPT_QUIET, '-', "No warnings"},
75 {"table", OPT_TABLE, '-', "Format output as table"},
76 {"reverse", OPT_REVERSE, '-', "Switch table columns"},
78 OPT_SECTION("Cryptographic"),
79 {"salt", OPT_SALT, 's', "Use provided salt"},
80 {"6", OPT_6, '-', "SHA512-based password algorithm"},
81 {"5", OPT_5, '-', "SHA256-based password algorithm"},
82 {"apr1", OPT_APR1, '-', "MD5-based password algorithm, Apache variant"},
83 {"1", OPT_1, '-', "MD5-based password algorithm"},
84 {"aixmd5", OPT_AIXMD5, '-', "AIX MD5-based password algorithm"},
85 #ifndef OPENSSL_NO_DES
86 {"crypt", OPT_CRYPT, '-', "Standard Unix password algorithm (default)"},
92 {"password", 0, 0, "Password text to digest (optional)"},
96 int passwd_main(int argc, char **argv)
99 char *infile = NULL, *salt = NULL, *passwd = NULL, **passwds = NULL;
100 char *salt_malloc = NULL, *passwd_malloc = NULL, *prog;
102 int in_stdin = 0, pw_source_defined = 0;
103 #ifndef OPENSSL_NO_UI_CONSOLE
106 int passed_salt = 0, quiet = 0, table = 0, reverse = 0;
108 passwd_modes mode = passwd_unset;
109 size_t passwd_malloc_size = 0;
110 size_t pw_maxlen = 256; /* arbitrary limit, should be enough for most
113 prog = opt_init(argc, argv, passwd_options);
114 while ((o = opt_next()) != OPT_EOF) {
119 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
122 opt_help(passwd_options);
126 if (pw_source_defined)
129 pw_source_defined = 1;
132 #ifndef OPENSSL_NO_UI_CONSOLE
146 if (mode != passwd_unset)
151 if (mode != passwd_unset)
153 mode = passwd_sha256;
156 if (mode != passwd_unset)
158 mode = passwd_sha512;
161 if (mode != passwd_unset)
166 if (mode != passwd_unset)
168 mode = passwd_aixmd5;
171 #ifndef OPENSSL_NO_DES
172 if (mode != passwd_unset)
182 if (pw_source_defined)
185 pw_source_defined = 1;
193 argc = opt_num_rest();
197 if (pw_source_defined)
199 pw_source_defined = 1;
203 if (mode == passwd_unset) {
208 #ifdef OPENSSL_NO_DES
209 if (mode == passwd_crypt)
213 if (infile != NULL && in_stdin) {
214 BIO_printf(bio_err, "%s: Can't combine -in and -stdin\n", prog);
218 if (infile != NULL || in_stdin) {
220 * If in_stdin is true, we know that infile is NULL, and that
221 * bio_open_default() will give us back an alias for stdin.
223 in = bio_open_default(infile, 'r', FORMAT_TEXT);
228 if (mode == passwd_crypt)
231 if (passwds == NULL) {
232 /* no passwords on the command line */
234 passwd_malloc_size = pw_maxlen + 2;
235 /* longer than necessary so that we can warn about truncation */
236 passwd = passwd_malloc =
237 app_malloc(passwd_malloc_size, "password buffer");
240 if ((in == NULL) && (passwds == NULL)) {
242 * we use the following method to make sure what
243 * in the 'else' section is always compiled, to
244 * avoid rot of not-frequently-used code.
247 #ifndef OPENSSL_NO_UI_CONSOLE
248 /* build a null-terminated list */
249 static char *passwds_static[2] = { NULL, NULL };
251 passwds = passwds_static;
253 if (EVP_read_pw_string
254 (passwd_malloc, passwd_malloc_size, "Password: ",
255 !(passed_salt || in_noverify)) != 0)
258 passwds[0] = passwd_malloc;
261 BIO_printf(bio_err, "password required\n");
267 assert(passwds != NULL);
268 assert(*passwds != NULL);
270 do { /* loop over list of passwords */
272 if (!do_passwd(passed_salt, &salt, &salt_malloc, passwd, bio_out,
273 quiet, table, reverse, pw_maxlen, mode))
275 } while (*passwds != NULL);
280 assert(passwd != NULL);
282 int r = BIO_gets(in, passwd, pw_maxlen + 1);
284 char *c = (strchr(passwd, '\n'));
286 *c = 0; /* truncate at newline */
288 /* ignore rest of line */
291 r = BIO_gets(in, trash, sizeof(trash));
292 while ((r > 0) && (!strchr(trash, '\n')));
296 (passed_salt, &salt, &salt_malloc, passwd, bio_out, quiet,
297 table, reverse, pw_maxlen, mode))
307 ERR_print_errors(bio_err);
309 OPENSSL_free(salt_malloc);
310 OPENSSL_free(passwd_malloc);
316 * MD5-based password algorithm (should probably be available as a library
317 * function; then the static buffer would not be acceptable). For magic
318 * string "1", this should be compatible to the MD5-based BSD password
319 * algorithm. For 'magic' string "apr1", this is compatible to the MD5-based
320 * Apache password algorithm. (Apparently, the Apache password algorithm is
321 * identical except that the 'magic' string was changed -- the laziest
322 * application of the NIH principle I've ever encountered.)
324 static char *md5crypt(const char *passwd, const char *magic, const char *salt)
326 /* "$apr1$..salt..$.......md5hash..........\0" */
327 static char out_buf[6 + 9 + 24 + 2];
328 unsigned char buf[MD5_DIGEST_LENGTH];
329 char ascii_magic[5]; /* "apr1" plus '\0' */
330 char ascii_salt[9]; /* Max 8 chars plus '\0' */
331 char *ascii_passwd = NULL;
335 EVP_MD_CTX *md = NULL, *md2 = NULL;
336 size_t passwd_len, salt_len, magic_len;
338 passwd_len = strlen(passwd);
341 magic_len = strlen(magic);
342 OPENSSL_strlcpy(ascii_magic, magic, sizeof(ascii_magic));
343 #ifdef CHARSET_EBCDIC
344 if ((magic[0] & 0x80) != 0) /* High bit is 1 in EBCDIC alnums */
345 ebcdic2ascii(ascii_magic, ascii_magic, magic_len);
348 /* The salt gets truncated to 8 chars */
349 OPENSSL_strlcpy(ascii_salt, salt, sizeof(ascii_salt));
350 salt_len = strlen(ascii_salt);
351 #ifdef CHARSET_EBCDIC
352 ebcdic2ascii(ascii_salt, ascii_salt, salt_len);
355 #ifdef CHARSET_EBCDIC
356 ascii_passwd = OPENSSL_strdup(passwd);
357 if (ascii_passwd == NULL)
359 ebcdic2ascii(ascii_passwd, ascii_passwd, passwd_len);
360 passwd = ascii_passwd;
364 OPENSSL_strlcat(out_buf, ascii_dollar, sizeof(out_buf));
366 if (magic_len > 4) /* assert it's "1" or "apr1" */
369 OPENSSL_strlcat(out_buf, ascii_magic, sizeof(out_buf));
370 OPENSSL_strlcat(out_buf, ascii_dollar, sizeof(out_buf));
373 OPENSSL_strlcat(out_buf, ascii_salt, sizeof(out_buf));
375 if (strlen(out_buf) > 6 + 8) /* assert "$apr1$..salt.." */
380 salt_out += 2 + magic_len;
385 md = EVP_MD_CTX_new();
387 || !EVP_DigestInit_ex(md, EVP_md5(), NULL)
388 || !EVP_DigestUpdate(md, passwd, passwd_len))
392 if (!EVP_DigestUpdate(md, ascii_dollar, 1)
393 || !EVP_DigestUpdate(md, ascii_magic, magic_len)
394 || !EVP_DigestUpdate(md, ascii_dollar, 1))
397 if (!EVP_DigestUpdate(md, ascii_salt, salt_len))
400 md2 = EVP_MD_CTX_new();
402 || !EVP_DigestInit_ex(md2, EVP_md5(), NULL)
403 || !EVP_DigestUpdate(md2, passwd, passwd_len)
404 || !EVP_DigestUpdate(md2, ascii_salt, salt_len)
405 || !EVP_DigestUpdate(md2, passwd, passwd_len)
406 || !EVP_DigestFinal_ex(md2, buf, NULL))
409 for (i = passwd_len; i > sizeof(buf); i -= sizeof(buf)) {
410 if (!EVP_DigestUpdate(md, buf, sizeof(buf)))
413 if (!EVP_DigestUpdate(md, buf, i))
418 if (!EVP_DigestUpdate(md, (n & 1) ? "\0" : passwd, 1))
422 if (!EVP_DigestFinal_ex(md, buf, NULL))
425 for (i = 0; i < 1000; i++) {
426 if (!EVP_DigestInit_ex(md2, EVP_md5(), NULL))
428 if (!EVP_DigestUpdate(md2,
429 (i & 1) ? (unsigned const char *)passwd : buf,
430 (i & 1) ? passwd_len : sizeof(buf)))
433 if (!EVP_DigestUpdate(md2, ascii_salt, salt_len))
437 if (!EVP_DigestUpdate(md2, passwd, passwd_len))
440 if (!EVP_DigestUpdate(md2,
441 (i & 1) ? buf : (unsigned const char *)passwd,
442 (i & 1) ? sizeof(buf) : passwd_len))
444 if (!EVP_DigestFinal_ex(md2, buf, NULL))
447 EVP_MD_CTX_free(md2);
453 /* transform buf into output string */
454 unsigned char buf_perm[sizeof(buf)];
458 /* silly output permutation */
459 for (dest = 0, source = 0; dest < 14;
460 dest++, source = (source + 6) % 17)
461 buf_perm[dest] = buf[source];
462 buf_perm[14] = buf[5];
463 buf_perm[15] = buf[11];
464 # ifndef PEDANTIC /* Unfortunately, this generates a "no
466 assert(16 == sizeof(buf_perm));
469 output = salt_out + salt_len;
470 assert(output == out_buf + strlen(out_buf));
472 *output++ = ascii_dollar[0];
474 for (i = 0; i < 15; i += 3) {
475 *output++ = cov_2char[buf_perm[i + 2] & 0x3f];
476 *output++ = cov_2char[((buf_perm[i + 1] & 0xf) << 2) |
477 (buf_perm[i + 2] >> 6)];
478 *output++ = cov_2char[((buf_perm[i] & 3) << 4) |
479 (buf_perm[i + 1] >> 4)];
480 *output++ = cov_2char[buf_perm[i] >> 2];
483 *output++ = cov_2char[buf_perm[i] & 0x3f];
484 *output++ = cov_2char[buf_perm[i] >> 6];
486 assert(strlen(out_buf) < sizeof(out_buf));
487 #ifdef CHARSET_EBCDIC
488 ascii2ebcdic(out_buf, out_buf, strlen(out_buf));
495 OPENSSL_free(ascii_passwd);
496 EVP_MD_CTX_free(md2);
502 * SHA based password algorithm, describe by Ulrich Drepper here:
503 * https://www.akkadia.org/drepper/SHA-crypt.txt
504 * (note that it's in the public domain)
506 static char *shacrypt(const char *passwd, const char *magic, const char *salt)
508 /* Prefix for optional rounds specification. */
509 static const char rounds_prefix[] = "rounds=";
510 /* Maximum salt string length. */
511 # define SALT_LEN_MAX 16
512 /* Default number of rounds if not explicitly specified. */
513 # define ROUNDS_DEFAULT 5000
514 /* Minimum number of rounds. */
515 # define ROUNDS_MIN 1000
516 /* Maximum number of rounds. */
517 # define ROUNDS_MAX 999999999
519 /* "$6$rounds=<N>$......salt......$...shahash(up to 86 chars)...\0" */
520 static char out_buf[3 + 17 + 17 + 86 + 1];
521 unsigned char buf[SHA512_DIGEST_LENGTH];
522 unsigned char temp_buf[SHA512_DIGEST_LENGTH];
525 char ascii_salt[17]; /* Max 16 chars plus '\0' */
526 char *ascii_passwd = NULL;
528 EVP_MD_CTX *md = NULL, *md2 = NULL;
529 const EVP_MD *sha = NULL;
530 size_t passwd_len, salt_len, magic_len;
531 unsigned int rounds = 5000; /* Default */
532 char rounds_custom = 0;
533 char *p_bytes = NULL;
534 char *s_bytes = NULL;
537 passwd_len = strlen(passwd);
538 magic_len = strlen(magic);
540 /* assert it's "5" or "6" */
557 if (strncmp(salt, rounds_prefix, sizeof(rounds_prefix) - 1) == 0) {
558 const char *num = salt + sizeof(rounds_prefix) - 1;
560 unsigned long int srounds = strtoul (num, &endp, 10);
563 if (srounds > ROUNDS_MAX)
565 else if (srounds < ROUNDS_MIN)
568 rounds = (unsigned int)srounds;
575 OPENSSL_strlcpy(ascii_magic, magic, sizeof(ascii_magic));
576 #ifdef CHARSET_EBCDIC
577 if ((magic[0] & 0x80) != 0) /* High bit is 1 in EBCDIC alnums */
578 ebcdic2ascii(ascii_magic, ascii_magic, magic_len);
581 /* The salt gets truncated to 16 chars */
582 OPENSSL_strlcpy(ascii_salt, salt, sizeof(ascii_salt));
583 salt_len = strlen(ascii_salt);
584 #ifdef CHARSET_EBCDIC
585 ebcdic2ascii(ascii_salt, ascii_salt, salt_len);
588 #ifdef CHARSET_EBCDIC
589 ascii_passwd = OPENSSL_strdup(passwd);
590 if (ascii_passwd == NULL)
592 ebcdic2ascii(ascii_passwd, ascii_passwd, passwd_len);
593 passwd = ascii_passwd;
597 OPENSSL_strlcat(out_buf, ascii_dollar, sizeof(out_buf));
598 OPENSSL_strlcat(out_buf, ascii_magic, sizeof(out_buf));
599 OPENSSL_strlcat(out_buf, ascii_dollar, sizeof(out_buf));
601 char tmp_buf[80]; /* "rounds=999999999" */
602 sprintf(tmp_buf, "rounds=%u", rounds);
603 #ifdef CHARSET_EBCDIC
604 /* In case we're really on a ASCII based platform and just pretend */
605 if (tmp_buf[0] != 0x72) /* ASCII 'r' */
606 ebcdic2ascii(tmp_buf, tmp_buf, strlen(tmp_buf));
608 OPENSSL_strlcat(out_buf, tmp_buf, sizeof(out_buf));
609 OPENSSL_strlcat(out_buf, ascii_dollar, sizeof(out_buf));
611 OPENSSL_strlcat(out_buf, ascii_salt, sizeof(out_buf));
613 /* assert "$5$rounds=999999999$......salt......" */
614 if (strlen(out_buf) > 3 + 17 * rounds_custom + salt_len )
617 md = EVP_MD_CTX_new();
619 || !EVP_DigestInit_ex(md, sha, NULL)
620 || !EVP_DigestUpdate(md, passwd, passwd_len)
621 || !EVP_DigestUpdate(md, ascii_salt, salt_len))
624 md2 = EVP_MD_CTX_new();
626 || !EVP_DigestInit_ex(md2, sha, NULL)
627 || !EVP_DigestUpdate(md2, passwd, passwd_len)
628 || !EVP_DigestUpdate(md2, ascii_salt, salt_len)
629 || !EVP_DigestUpdate(md2, passwd, passwd_len)
630 || !EVP_DigestFinal_ex(md2, buf, NULL))
633 for (n = passwd_len; n > buf_size; n -= buf_size) {
634 if (!EVP_DigestUpdate(md, buf, buf_size))
637 if (!EVP_DigestUpdate(md, buf, n))
642 if (!EVP_DigestUpdate(md,
643 (n & 1) ? buf : (unsigned const char *)passwd,
644 (n & 1) ? buf_size : passwd_len))
648 if (!EVP_DigestFinal_ex(md, buf, NULL))
652 if (!EVP_DigestInit_ex(md2, sha, NULL))
655 for (n = passwd_len; n > 0; n--)
656 if (!EVP_DigestUpdate(md2, passwd, passwd_len))
659 if (!EVP_DigestFinal_ex(md2, temp_buf, NULL))
662 if ((p_bytes = OPENSSL_zalloc(passwd_len)) == NULL)
664 for (cp = p_bytes, n = passwd_len; n > buf_size; n -= buf_size, cp += buf_size)
665 memcpy(cp, temp_buf, buf_size);
666 memcpy(cp, temp_buf, n);
669 if (!EVP_DigestInit_ex(md2, sha, NULL))
672 for (n = 16 + buf[0]; n > 0; n--)
673 if (!EVP_DigestUpdate(md2, ascii_salt, salt_len))
676 if (!EVP_DigestFinal_ex(md2, temp_buf, NULL))
679 if ((s_bytes = OPENSSL_zalloc(salt_len)) == NULL)
681 for (cp = s_bytes, n = salt_len; n > buf_size; n -= buf_size, cp += buf_size)
682 memcpy(cp, temp_buf, buf_size);
683 memcpy(cp, temp_buf, n);
685 for (n = 0; n < rounds; n++) {
686 if (!EVP_DigestInit_ex(md2, sha, NULL))
688 if (!EVP_DigestUpdate(md2,
689 (n & 1) ? (unsigned const char *)p_bytes : buf,
690 (n & 1) ? passwd_len : buf_size))
693 if (!EVP_DigestUpdate(md2, s_bytes, salt_len))
697 if (!EVP_DigestUpdate(md2, p_bytes, passwd_len))
700 if (!EVP_DigestUpdate(md2,
701 (n & 1) ? buf : (unsigned const char *)p_bytes,
702 (n & 1) ? buf_size : passwd_len))
704 if (!EVP_DigestFinal_ex(md2, buf, NULL))
707 EVP_MD_CTX_free(md2);
711 OPENSSL_free(p_bytes);
712 OPENSSL_free(s_bytes);
716 cp = out_buf + strlen(out_buf);
717 *cp++ = ascii_dollar[0];
719 # define b64_from_24bit(B2, B1, B0, N) \
721 unsigned int w = ((B2) << 16) | ((B1) << 8) | (B0); \
725 *cp++ = cov_2char[w & 0x3f]; \
732 b64_from_24bit (buf[0], buf[10], buf[20], 4);
733 b64_from_24bit (buf[21], buf[1], buf[11], 4);
734 b64_from_24bit (buf[12], buf[22], buf[2], 4);
735 b64_from_24bit (buf[3], buf[13], buf[23], 4);
736 b64_from_24bit (buf[24], buf[4], buf[14], 4);
737 b64_from_24bit (buf[15], buf[25], buf[5], 4);
738 b64_from_24bit (buf[6], buf[16], buf[26], 4);
739 b64_from_24bit (buf[27], buf[7], buf[17], 4);
740 b64_from_24bit (buf[18], buf[28], buf[8], 4);
741 b64_from_24bit (buf[9], buf[19], buf[29], 4);
742 b64_from_24bit (0, buf[31], buf[30], 3);
745 b64_from_24bit (buf[0], buf[21], buf[42], 4);
746 b64_from_24bit (buf[22], buf[43], buf[1], 4);
747 b64_from_24bit (buf[44], buf[2], buf[23], 4);
748 b64_from_24bit (buf[3], buf[24], buf[45], 4);
749 b64_from_24bit (buf[25], buf[46], buf[4], 4);
750 b64_from_24bit (buf[47], buf[5], buf[26], 4);
751 b64_from_24bit (buf[6], buf[27], buf[48], 4);
752 b64_from_24bit (buf[28], buf[49], buf[7], 4);
753 b64_from_24bit (buf[50], buf[8], buf[29], 4);
754 b64_from_24bit (buf[9], buf[30], buf[51], 4);
755 b64_from_24bit (buf[31], buf[52], buf[10], 4);
756 b64_from_24bit (buf[53], buf[11], buf[32], 4);
757 b64_from_24bit (buf[12], buf[33], buf[54], 4);
758 b64_from_24bit (buf[34], buf[55], buf[13], 4);
759 b64_from_24bit (buf[56], buf[14], buf[35], 4);
760 b64_from_24bit (buf[15], buf[36], buf[57], 4);
761 b64_from_24bit (buf[37], buf[58], buf[16], 4);
762 b64_from_24bit (buf[59], buf[17], buf[38], 4);
763 b64_from_24bit (buf[18], buf[39], buf[60], 4);
764 b64_from_24bit (buf[40], buf[61], buf[19], 4);
765 b64_from_24bit (buf[62], buf[20], buf[41], 4);
766 b64_from_24bit (0, 0, buf[63], 2);
772 #ifdef CHARSET_EBCDIC
773 ascii2ebcdic(out_buf, out_buf, strlen(out_buf));
779 EVP_MD_CTX_free(md2);
781 OPENSSL_free(p_bytes);
782 OPENSSL_free(s_bytes);
783 OPENSSL_free(ascii_passwd);
787 static int do_passwd(int passed_salt, char **salt_p, char **salt_malloc_p,
788 char *passwd, BIO *out, int quiet, int table,
789 int reverse, size_t pw_maxlen, passwd_modes mode)
793 assert(salt_p != NULL);
794 assert(salt_malloc_p != NULL);
796 /* first make sure we have a salt */
801 #ifndef OPENSSL_NO_DES
802 if (mode == passwd_crypt)
804 #endif /* !OPENSSL_NO_DES */
806 if (mode == passwd_md5 || mode == passwd_apr1 || mode == passwd_aixmd5)
809 if (mode == passwd_sha256 || mode == passwd_sha512)
812 assert(saltlen != 0);
814 if (*salt_malloc_p == NULL)
815 *salt_p = *salt_malloc_p = app_malloc(saltlen + 1, "salt buffer");
816 if (RAND_bytes((unsigned char *)*salt_p, saltlen) <= 0)
819 for (i = 0; i < saltlen; i++)
820 (*salt_p)[i] = cov_2char[(*salt_p)[i] & 0x3f]; /* 6 bits */
822 # ifdef CHARSET_EBCDIC
823 /* The password encryption funtion will convert back to ASCII */
824 ascii2ebcdic(*salt_p, *salt_p, saltlen);
828 assert(*salt_p != NULL);
830 /* truncate password if necessary */
831 if ((strlen(passwd) > pw_maxlen)) {
834 * XXX: really we should know how to print a size_t, not cast it
837 "Warning: truncating password to %u characters\n",
838 (unsigned)pw_maxlen);
839 passwd[pw_maxlen] = 0;
841 assert(strlen(passwd) <= pw_maxlen);
843 /* now compute password hash */
844 #ifndef OPENSSL_NO_DES
845 if (mode == passwd_crypt)
846 hash = DES_crypt(passwd, *salt_p);
848 if (mode == passwd_md5 || mode == passwd_apr1)
849 hash = md5crypt(passwd, (mode == passwd_md5 ? "1" : "apr1"), *salt_p);
850 if (mode == passwd_aixmd5)
851 hash = md5crypt(passwd, "", *salt_p);
852 if (mode == passwd_sha256 || mode == passwd_sha512)
853 hash = shacrypt(passwd, (mode == passwd_sha256 ? "5" : "6"), *salt_p);
854 assert(hash != NULL);
856 if (table && !reverse)
857 BIO_printf(out, "%s\t%s\n", passwd, hash);
858 else if (table && reverse)
859 BIO_printf(out, "%s\t%s\n", hash, passwd);
861 BIO_printf(out, "%s\n", hash);