On 2/27/07, tom arnall <[EMAIL PROTECTED]> wrote:
how good is 'crypt()'? it seems that for small differences in the target
string you get duplicate digests. i get the following results (using
debugger):
snip

Better than rot13, but worse than most other forms of encryption.  The
crypt function is not intended to withstand attacks where the target
has access to the encrypted text.  This is the reason most password
programs will lock an account if more than three failures occur in a
row.  If you are looking for reasonably secure encryption you need to
look at the Crypt::* modules on CPAN.  Personally I just use GPG or
PGP (depending on what is installed).

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