1 /* vi: set sw=4 ts=4: */
5 * i64c was also put here, this is the only function that uses it.
7 * Lifted from loginutils/passwd.c by Thomas Lundquist <thomasez@zelow.no>
13 static int i64c(int i)
23 return ('A' - 12 + i);
24 return ('a' - 38 + i);
27 int crypt_make_salt(char *p, int cnt, int x)
29 x += getpid() + time(NULL);
31 /* x = (x*1664525 + 1013904223) % 2^32 generator is lame
32 * (low-order bit is not "random", etc...),
33 * but for our purposes it is good enough */
34 x = x*1664525 + 1013904223;
35 /* BTW, Park and Miller's "minimal standard generator" is
36 * x = x*16807 % ((2^31)-1)
37 * It has no problem with visibly alternating lowest bit
38 * but is also weak in cryptographic sense + needs div,
39 * which needs more code (and slower) on many CPUs */