Source: libcrypt-des-ede3-perl Section: perl Priority: optional Maintainer: Pierre-Matthieu Alamy Uploaders: Florian Ragwitz Build-Depends: debhelper (>= 5.0.0) Build-Depends-Indep: perl (>=5.8.8-3), libcrypt-des-perl Standards-Version: 3.6.2 Package: libcrypt-des-ede3-perl Architecture: all Depends: ${perl:Depends}, ${misc:Depends}, libcrypt-des-perl Description: Triple-DES EDE encryption/decryption for perl Crypt::DES_EDE3 implements DES-EDE3 encryption. This is triple-DES encryption where an encrypt operation is encrypt-decrypt-encrypt, and decrypt is decrypt-encrypt-decrypt. This implementation uses Crypt::DES to do its dirty DES work, and simply provides a wrapper around that module: setting up the individual DES ciphers, initializing the keys, and performing the encryption/decryption steps. . You're probably best off not using this module directly, as the encrypt and decrypt methods expect 8-octet blocks. You might want to use the module in conjunction with Crypt::CBC, for example. This would be DES-EDE3-CBC, or triple-DES in outer CBC mode.