Example image of eyePlorer eyePlorer map for 'Block cipher': Bit Cipher Cryptography Symmetric-key algorithm Plaintext Key (cryptography) Block cipher modes of operation Block size (cryptography) Stream cipher Data Encryption Standard IBM Advanced Encryption Standard Inverse function Bijection Permutation Factorial Padding (cryptography) Key size Brute force attack Product cipher Key whitening Exclusive or Feistel cipher Substitution-permutation network Arithmetic Logic gate S-box Horst Feistel Lucifer (cipher) Federal Information Processing Standard United States National Security Agency NBS Adi Shamir Eli Biham Differential cryptanalysis Linear cryptanalysis Mitsuru Matsui Cryptanalysis Electronic Frontier Foundation Triple DES National Institute of Standards and Technology Demographics of Belgium Joan Daemen Vincent Rijmen Classified information Boomerang attack Impossible differential cryptanalysis Integral cryptanalysis Slide attack