binary cryptogram

  • 1Chip Authentication Program — A GemAlto EZIO CAP Device Whitelabeled as Barclays PINSentry The Chip Authentication Program (CAP) is a MasterCard initiative and technical specification for using EMV banking smartcards for authenticating users and transactions in online and… …

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  • 2Substitution cipher — In cryptography, a substitution cipher is a method of encryption by which units of plaintext are replaced with ciphertext according to a regular system; the units may be single letters (the most common), pairs of letters, triplets of letters,… …

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  • 3Cryptography — Secret code redirects here. For the Aya Kamiki album, see Secret Code. Symmetric key cryptography, where the same key is used both for encryption and decryption …

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  • 4Transposition cipher — In cryptography, a transposition cipher is a method of encryption by which the positions held by units of plaintext (which are commonly characters or groups of characters) are shifted according to a regular system, so that the ciphertext… …

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  • 5noise — Synonyms and related words: ALGOL, Aesopian language, Babel, Bedlam let loose, COBOL, EDP, FORTRAN, Greek, aimlessness, alphabetic data, alphanumeric code, amplitude, angular data, argot, assembler, atmospherics, auditory effect, auditory… …

    Moby Thesaurus

  • 6ROT13 — replaces each letter by its partner 13 characters further along the alphabet. For example, HELLO becomes URYYB (or, rev …

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  • 7Merkle–Hellman knapsack cryptosystem — The Merkle–Hellman knapsack cryptosystem was one of the earliest public key cryptosystems invented by Ralph Merkle and Martin Hellman in 1978.[1] Although its ideas are elegant, and far simpler than RSA, it has been broken.[2] Contents 1… …

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  • 8Marshall McLuhan — McLuhan redirects here. For the son of Marshall McLuhan, see Eric McLuhan. Marshall McLuhan Marshall McLuhan in the early 1970s Born July 21, 1911(1911 07 21) Edmonton, Alberta, Canada …

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  • 9Hill cipher — Hill s cipher machine, from figure 4 of the patent In classical cryptography, the Hill cipher is a polygraphic substitution cipher based on linear algebra. Invented by Lester S. Hill in 1929, it was the first polygraphic cipher in which it was… …

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  • 10Pigpen cipher — The pigpen cipher uses graphical symbols assigned according to a key similar to the above diagram.[1] The pigpen cipher (sometimes referred to as the masonic cipher, Freemason s cipher, Rosicrucian cipher, or Tic tac toe cipher) …

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