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• Ciphertext
  ...yption, ciphertext is still the result of applying an algorithm and key to ciphertext produced by a different cryptosystem. Ideal ciphertext appears to be completely random.
  411 bytes (57 words) - 18:12, 28 July 2008
• Ciphertext/Definition
  129 bytes (16 words) - 18:11, 28 July 2008
• Ciphertext/Related Articles
  Auto-populated based on [[Special:WhatLinksHere/Ciphertext]]. Needs checking by a human.
  828 bytes (106 words) - 14:41, 18 March 2024

Page text matches

• Ciphertext
  ...yption, ciphertext is still the result of applying an algorithm and key to ciphertext produced by a different cryptosystem. Ideal ciphertext appears to be completely random.
  411 bytes (57 words) - 18:12, 28 July 2008
• Code book attack/Definition
  Attacking a [[block cipher]] by creating a code book, collecting plaintext/ciphertext pairs.
  128 bytes (16 words) - 00:42, 2 November 2008
• Block cipher/Definition
  ...cipher that operates on fixed-size blocks of plaintext, giving a block of ciphertext for each
  141 bytes (20 words) - 10:24, 22 October 2008
• Plaintext
  ...''plaintext''' is the unencrypted message, contrasted with the encrypted [[ciphertext]]. It exhibits the statistical properties of [[natural language]].
  214 bytes (26 words) - 05:48, 8 April 2024
• Key (cryptography)/Definition
  ...troduces or removes the concealment applied to [[plaintext]] or taken to [[ciphertext]]; [[key management]] is arelated but separate discipline of secure distrib
  346 bytes (45 words) - 11:07, 30 October 2008
• Meet-in-the-middle attack/Definition
  ...rting either from the input of the cipher (plaintext) or from the output ( ciphertext); he calculates some possible values each way and compares the results.
  352 bytes (53 words) - 00:56, 2 November 2008
• Cipher/Definition
  ...at mathematically manipulates the individual elements of plaintext, into [[ciphertext]], a form unintelligible to any recipient that does not know both the algor
  352 bytes (48 words) - 22:02, 31 July 2008
• Plaintext/Related Articles
  {{r|Ciphertext}}
  219 bytes (24 words) - 14:41, 18 March 2024
• Ciphertext/Related Articles
  Auto-populated based on [[Special:WhatLinksHere/Ciphertext]]. Needs checking by a human.
  828 bytes (106 words) - 14:41, 18 March 2024
• Meet-in-the-middle attack
  ...ker must get or guess one block of plaintext for which he has the matching ciphertext. ...much better strategy for him. He runs a number of decryptions of the known ciphertext with possible second-half keys, stores results in a table, then runs encryp
  6 KB (921 words) - 05:48, 8 April 2024
• Cryptographic key/Related Articles
  {{r|Ciphertext}}
  1 KB (132 words) - 14:31, 22 March 2024
• Block cipher modes of operation
  ...cipher]] provides a way to encrypt blocks of plaintext to yield blocks of ciphertext. A block cipher '''mode of operation''' specifies how multiple block cipher ...disadvantage is that the same plaintext block always encrypts to the same ciphertext; this gives an enemy some information. If enough blocks are encrypted this
  8 KB (1,297 words) - 05:48, 8 April 2024
• Algebraic attack
  ...uses only linear operations, an attacker can just plug in known plaintext/ciphertext pairs until there are at least as many equations as variables, then solve f ...tput bit in terms of 64 inputs and 128 key bits. Plug in a known plaintext/ciphertext pair and only the key bits remain as variables. He has 64 equations in 128
  6 KB (882 words) - 05:49, 8 April 2024
• Code book attack
  ...some plaintext; he makes a little table, his own "code book" showing which ciphertext blocks correspond to which plaintexts. If he can fill in all 256 entries, t ...and solve for the key), a code book attack (collect all possible plaintext/ciphertext pairs) will ''in theory break any block cipher''. However, all of those att
  6 KB (1,064 words) - 02:04, 24 January 2017
• Cipher
  ...e ciphertext, to lessen the statistical relationship between plaintext and ciphertext. Padding that was mistaken for plaintext has changed the course of [[World Encryption is the process of converting '''plaintext''' to '''ciphertext'''; decryption reverses the process to produce plaintext.
  12 KB (1,744 words) - 05:48, 8 April 2024
• Birthday attack
  ...form, on average, about 2⁶⁴ hash operations, to find a repeated ciphertext for a 64-bit block cipher or a repetition of a 64-bit challenge, he needs t
  3 KB (415 words) - 05:48, 8 April 2024
• Passive attack
  * [[code book attack]] — collect all possible plaintext/ciphertext pairs for a [[block cipher]], or the entire pseudorandom stream until it st
  3 KB (440 words) - 05:49, 8 April 2024
• Spread spectrum
  ...channels based on statistical properties; the false channels might receive ciphertext of random noise being sent through the same encryption as the true informat
  3 KB (463 words) - 10:44, 8 April 2024
• Symmetric key cryptography
  ...iphers take as input a block of plaintext and a key, and output a block of ciphertext of the same size. Block ciphers are used in a [[Block cipher modes of oper
  4 KB (546 words) - 05:48, 8 April 2024
• Key (cryptography)
  ...troduces or removes the concealment applied to [[plaintext]] or taken to [[ciphertext]]. This discussion deals with the nature of keys (e.g., binary strings of l
  4 KB (564 words) - 23:12, 4 February 2010
• Cryptanalysis/Citable Version
  * [[code book attack]] — collect all possible plaintext/ciphertext pairs for a [[block cipher]], or the entire pseudorandom stream until it st ====Ciphertext-only====
  32 KB (4,913 words) - 14:38, 18 March 2024
• Cryptanalysis
  * [[code book attack]] — collect all possible plaintext/ciphertext pairs for a [[block cipher]], or the entire pseudorandom stream until it st ====Ciphertext-only====
  32 KB (4,916 words) - 05:49, 8 April 2024
• Brute force attack
  ...: it encrypts that plaintext to the intercepted ciphertext or decrypts the ciphertext to the plaintext. However, there are variants of the attack based on more l
  11 KB (1,819 words) - 05:48, 8 April 2024
• Stream cipher
  ...he same pseudorandom data, then reverse the combining operation to convert ciphertext back to plaintext. ...enemy who knows or guesses some plaintext and has intercepted the matching ciphertext can easily get some of the pseudorandom data. It must be very difficult for
  24 KB (3,851 words) - 05:49, 8 April 2024
• RSA algorithm
  Using t for plaintext and c for ciphertext, encryption is then:
  7 KB (1,171 words) - 05:48, 8 April 2024
• Asymmetric key cryptography
  ...send you encrypted information. Only the intended recipient can read the ciphertext, by applying a private decryption key. A separate key pair is needed for ea
  8 KB (1,233 words) - 05:48, 8 April 2024
• Block cipher
  ...]; they operate on fixed-size blocks of [[plaintext]], giving a block of [[ciphertext]] for each. The other main type are [[stream cipher]]s, which generate a co ...ate a [[code book attack | code book]], collecting so many known plaintext/ciphertext pairs that the cipher is broken.
  53 KB (8,371 words) - 05:48, 8 April 2024
• History of cryptology
  ...the Beast]] from the [[Book of Revelation]], is sometimes thought to be a ciphertext referring to the Roman Emperor Nero, one of whose policies was persecution
  9 KB (1,312 words) - 05:49, 8 April 2024
• One-time pad
  ...n paper tape in Baudot code and combined them with exclusive OR to produce ciphertext. Vernam's device was not completely secure since the key tape ran in a loop
  12 KB (1,878 words) - 05:48, 8 April 2024
• Cryptography
  ...xt) by converting it to an unreadable jumble of apparently random symbols (ciphertext). The process involves a [[cryptographic key | key]], a secret value that c ...ces ciphertext as output. For decryption, the process is reversed to turn ciphertext back into plaintext.
  52 KB (8,332 words) - 05:49, 8 April 2024
• Data Encryption Standard
  ...rial are XOR-ed into the plaintext before encryption, and 64 more into the ciphertext afterward. With the 56 bits of DES key, the gives 184 total keys bits so th
  16 KB (2,456 words) - 05:48, 8 April 2024