mirror of git://sourceware.org/git/glibc.git
68 lines
1.8 KiB
C
68 lines
1.8 KiB
C
/* Verify a passphrase.
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Copyright (C) 1991-2020 Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, see <https://www.gnu.org/licenses/>.
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*/
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#include <stdio.h>
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#include <string.h>
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#include <unistd.h>
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#include <crypt.h>
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/* @samp{GNU's Not Unix} hashed using SHA-256, MD5, and DES. */
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static const char hash_sha[] =
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"$5$DQ2z5NHf1jNJnChB$kV3ZTR0aUaosujPhLzR84Llo3BsspNSe4/tsp7VoEn6";
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static const char hash_md5[] = "$1$A3TxDv41$rtXVTUXl2LkeSV0UU5xxs1";
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static const char hash_des[] = "FgkTuF98w5DaI";
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int
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main(void)
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{
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char *phrase;
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int status = 0;
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/* Prompt for a passphrase. */
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phrase = getpass ("Enter passphrase: ");
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/* Compare against the stored hashes. Any input that begins with
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@samp{GNU's No} will match the DES hash, but the other two will
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only match @samp{GNU's Not Unix}. */
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if (strcmp (crypt (phrase, hash_sha), hash_sha))
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{
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puts ("SHA: not ok");
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status = 1;
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}
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else
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puts ("SHA: ok");
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if (strcmp (crypt (phrase, hash_md5), hash_md5))
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{
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puts ("MD5: not ok");
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status = 1;
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}
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else
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puts ("MD5: ok");
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if (strcmp (crypt (phrase, hash_des), hash_des))
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{
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puts ("DES: not ok");
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status = 1;
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}
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else
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puts ("DES: ok");
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return status;
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}
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