* Timo Juhani Lindfors <timo.lindf...@iki.fi>, 2012-04-24, 12:56:
my @chars = (0 .. 9, 'a' .. 'z', 'A' .. 'Z'); $alias .= join ("", map {$chars[rand $#chars]} 1..8);On Debian systems the rand() function of perl uses drand48() from eglibc which implements a 48-bit LCG RNG.
Note that 8 random alphanumeric characters can have at most ~47.6 bits of entropy. So just improving RNG wouldn't help here.
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