steganography
71Data Encryption Standard — The Feistel function (F function) of DES General Designers IBM First publis …
72Differential cryptanalysis — is a general form of cryptanalysis applicable primarily to block ciphers, but also to stream ciphers and cryptographic hash functions. In the broadest sense, it is the study of how differences in an input can affect the resultant difference at… …
73Enigma machine — Military Enigma machine …
74Elliptic curve cryptography — (ECC) is an approach to public key cryptography based on the algebraic structure of elliptic curves over finite fields. The use of elliptic curves in cryptography was suggested independently by Neal Koblitz[1] and Victor S. Miller[2] in 1985.… …
75Encryption — Encrypt redirects here. For the film, see Encrypt (film). This article is about algorithms for encryption and decryption. For an overview of cryptographic technology in general, see Cryptography. In cryptography, encryption is the process of… …
76International Data Encryption Algorithm — IDEA An encryption round of IDEA General Designers Xuejia Lai and James Massey …
77HMAC — SHA 1 HMAC Generation. In cryptography, HMAC (Hash based Message Authentication Code) is a specific construction for calculating a message authentication code (MAC) involving a cryptographic hash function in combination with a secret key. As with …
78MD5 — General Designers Ronald Rivest First published April 1992 Series MD2, MD4, MD5, MD6 Detail Digest sizes 128 bits …
79Numerology — is any study of the purported mystical relationship between a count or measurement and life. It has many systems and traditions and beliefs. Numerology and numerological divination by systems such as isopsephy were popular among early… …
80Palindrome — Palindromes redirects here. For the film, see Palindromes (film). See also: Constrained writing A palindrome is a word, phrase, number, or other sequence of units that can be read the same way in either direction, with general allowances for… …
