I had something where I needed to have another group send me info crypted in the URL, I know they used a basic Java library for ECB Blowfish and the following line encrypted it propery, sorry I can't be more help, but maybe it can get you started. 
Crypt::ECB::decrypt_hex( $key, 'Blowfish', $data, 1 );

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In reply to Re: Encrypt in Perl and decrypt in JAVA by suaveant
in thread Encrypt in Perl and decrypt in JAVA by ashok.g

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