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- Crypt::Serpent is a Perl implementation of the Serpent block cipher.
- Serpent is a 128-bit block cipher, meaning that data is encrypted and
- decrypted in 128-bit chunks. The key length can vary, but for the
- purposes of the AES it is defined to be either 128, 192, or 256 bits.
- This block size and variable key length is standard among all AES
- candidates and was one of the major design requirements specified by
- NIST. The Serpent algorithm uses 32 rounds, or iterations of the main
- algorithm.
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