1 /* vi: set sw=4 ts=4: */
5 * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
7 * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
13 * DES and MD5 crypt implementations are taken from uclibc.
14 * They were modified to not use static buffers.
15 * Comparison with uclibc (before uclibc had 70k staic buffers reinstated):
16 * text data bss dec hex filename
17 * 759909 604 6684 767197 bb4dd busybox_old
18 * 759579 604 6684 766867 bb393 busybox_unstripped
21 static const uint8_t ascii64[] = "./0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
22 #include "pw_encrypt_des.c"
23 #include "pw_encrypt_md5.c"
26 static struct const_des_ctx *des_cctx;
27 static struct des_ctx *des_ctx;
29 /* my_crypt returns malloc'ed data */
30 static char *my_crypt(const char *key, const char *salt)
32 /* First, check if we are supposed to be using the MD5 replacement
33 * instead of DES... */
34 if (salt[0] == '$' && salt[1] == '1' && salt[2] == '$') {
35 return md5_crypt(xzalloc(MD5_OUT_BUFSIZE), (unsigned char*)key, (unsigned char*)salt);
40 des_cctx = const_des_init();
41 des_ctx = des_init(des_ctx, des_cctx);
42 return des_crypt(des_ctx, xzalloc(DES_OUT_BUFSIZE), (unsigned char*)key, (unsigned char*)salt);
46 /* So far nobody wants to have it public */
47 static void my_crypt_cleanup(void)
55 char *pw_encrypt(const char *clear, const char *salt, int cleanup)
59 #if 0 /* was CONFIG_FEATURE_SHA1_PASSWORDS, but there is no such thing??? */
60 if (strncmp(salt, "$2$", 3) == 0) {
61 return sha1_crypt(clear);
66 cipher = my_crypt(clear, salt);