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Solitaire (cipher) The Solitaire cryptographic algorithm was designed by Bruce Schneier at the request of Neal Stephenson for use in his novel Cryptonomicon, in which field agents use it to communicate securely without having to rely on electronics or having to carry incriminating tools. [1] It was designed to be a manual cryptosystem ...
Step-by-step process for the double columnar transposition cipher. In cryptography, a transposition cipher (also known as a permutation cipher) is a method of encryption which scrambles the positions of characters ( transposition) without changing the characters themselves. Transposition ciphers reorder units of plaintext (typically characters ...
t. e. In cryptography, a substitution cipher is a method of encrypting in which units of plaintext are replaced with the ciphertext, in a defined manner, with the help of a key; the "units" may be single letters (the most common), pairs of letters, triplets of letters, mixtures of the above, and so forth. The receiver deciphers the text by ...
The Vigenère cipher is named after Blaise de Vigenère (pictured), although Giovan Battista Bellaso had invented it before Vigenère described his autokey cipher. The Vigenère cipher ( French pronunciation: [viʒnɛːʁ]) is a method of encrypting alphabetic text where each letter of the plaintext is encoded with a different Caesar cipher ...
Baker's Game is a patience or solitaire card game similar to FreeCell. It predates FreeCell, and differs from it only in the fact that sequences are built by suit, instead of by alternate color. It predates FreeCell, and differs from it only in the fact that sequences are built by suit, instead of by alternate color.
Crescent (solitaire) Crescent is a solitaire card game played with two decks of playing cards mixed together. The game is so called because when the cards are dealt properly, the resulting piles should form a large arc or a crescent. [1] An alternative and less common name for the game is La Demi-Lune.
Klondike. Deck. Single 52-card. Playing time. 10 min [ 1] Odds of winning. 1 in 30 [ 1] Klondike, also known as Canfield, is a card game for one player and the best known and most popular version of the patience or solitaire family, [ 2] as well as one of the most challenging in widespread play. [ 3]
Ciphertext is also known as encrypted or encoded information because it contains a form of the original plaintext that is unreadable by a human or computer without the proper cipher to decrypt it. This process prevents the loss of sensitive information via hacking. Decryption, the inverse of encryption, is the process of turning ciphertext into ...