diff options
Diffstat (limited to 'libbb/crypt_make_salt.c')
-rw-r--r-- | libbb/crypt_make_salt.c | 46 |
1 files changed, 0 insertions, 46 deletions
diff --git a/libbb/crypt_make_salt.c b/libbb/crypt_make_salt.c deleted file mode 100644 index 14bb0ddc9..000000000 --- a/libbb/crypt_make_salt.c +++ /dev/null @@ -1,46 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * crypt_make_salt - * - * i64c was also put here, this is the only function that uses it. - * - * Lifted from loginutils/passwd.c by Thomas Lundquist <thomasez@zelow.no> - * - * Licensed under GPLv2, see file LICENSE in this tarball for details. - */ - -#include "libbb.h" - -static int i64c(int i) -{ - i &= 0x3f; - if (i == 0) - return '.'; - if (i == 1) - return '/'; - if (i < 12) - return ('0' - 2 + i); - if (i < 38) - return ('A' - 12 + i); - return ('a' - 38 + i); -} - -int FAST_FUNC crypt_make_salt(char *p, int cnt, int x) -{ - x += getpid() + time(NULL); - do { - /* x = (x*1664525 + 1013904223) % 2^32 generator is lame - * (low-order bit is not "random", etc...), - * but for our purposes it is good enough */ - x = x*1664525 + 1013904223; - /* BTW, Park and Miller's "minimal standard generator" is - * x = x*16807 % ((2^31)-1) - * It has no problem with visibly alternating lowest bit - * but is also weak in cryptographic sense + needs div, - * which needs more code (and slower) on many CPUs */ - *p++ = i64c(x >> 16); - *p++ = i64c(x >> 22); - } while (--cnt); - *p = '\0'; - return x; -} |