Checking if your kit is complete...
Looks good
Writing Makefile for Crypt::CFB
cp CFB.pm blib/lib/Crypt/CFB.pm
Manifying blib/man3/Crypt::CFB.3
PERL_DL_NONLAZY=1 /Users/cpanrun/build/5.8.8/bin/perl "-Iblib/lib" "-Iblib/arch" test.pl

Seems as if we can use the following Crypt/Digest modules:
Crypt::Blowfish
Digest::MD5
Digest::SHA1
Digest::MD2
1 .. 9
ok 1
ok 2
ok 3
ok 4
ok 5
ok 6
ok 7
ok 8
ok 9
Installing /Users/cpanrun/build/5.8.8/html/site/lib/Crypt/CFB.html
Installing /Users/cpanrun/build/5.8.8/lib/site_perl/5.8.8/Crypt/CFB.pm
Installing /Users/cpanrun/build/5.8.8/man/man3/Crypt::CFB.3
Appending installation info to /Users/cpanrun/build/5.8.8/lib/5.8.8/darwin-thread-multi-2level/perllocal.pod