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-rw-r--r--manual/examples/genpass.c59
1 files changed, 0 insertions, 59 deletions
diff --git a/manual/examples/genpass.c b/manual/examples/genpass.c
deleted file mode 100644
index e40efc782b..0000000000
--- a/manual/examples/genpass.c
+++ /dev/null
@@ -1,59 +0,0 @@
-/* Encrypting Passwords
- Copyright (C) 1991-2023 Free Software Foundation, Inc.
-
- This program is free software; you can redistribute it and/or
- modify it under the terms of the GNU General Public License
- as published by the Free Software Foundation; either version 2
- of the License, or (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, see <https://www.gnu.org/licenses/>.
-*/
-
-#include <stdio.h>
-#include <unistd.h>
-#include <crypt.h>
-
-int
-main(void)
-{
- unsigned char ubytes[16];
- char salt[20];
- const char *const saltchars =
- "./0123456789ABCDEFGHIJKLMNOPQRST"
- "UVWXYZabcdefghijklmnopqrstuvwxyz";
- char *hash;
- int i;
-
- /* Retrieve 16 unpredictable bytes from the operating system. */
- if (getentropy (ubytes, sizeof ubytes))
- {
- perror ("getentropy");
- return 1;
- }
-
- /* Use them to fill in the salt string. */
- salt[0] = '$';
- salt[1] = '5'; /* SHA-256 */
- salt[2] = '$';
- for (i = 0; i < 16; i++)
- salt[3+i] = saltchars[ubytes[i] & 0x3f];
- salt[3+i] = '\0';
-
- /* Read in the user's passphrase and hash it. */
- hash = crypt (getpass ("Enter new passphrase: "), salt);
- if (!hash || hash[0] == '*')
- {
- perror ("crypt");
- return 1;
- }
-
- /* Print the results. */
- puts (hash);
- return 0;
-}