I'll probably get murdered for asking this but I'm not sure where else to look. I'm using Crypt::CBC in conjunction with Crypt::OpenSSL::AES on a 64-bit CentOS box... I'm trying to determine if in fact the resulting encoding is 256 opposed to 128 bit.

my $cipher = Crypt::CBC->new( -key    => '1234567890123456',
                              -cipher => 'Crypt::OpenSSL::AES',
                              -header => 'none',
                              -iv     => '6543210987654321' );

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I realize that by passing a 'key' rather than a 'literal_key', CBC will take that and compute an MD5 hash for the literal key used with AES ... I'm just not positive what bit length that is. Basically I need to prove one way or another that I'm using AES128 or AES256... and I'm at a loss where to confirm that.

In reply to Determine Encryption Strength - Crypt::CBC & OpenSSL::AES by perlgoon

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