Search results

{{r|block cipher}}

* When two output blocks from a [[block cipher]] are identical, the enemy gains some information. Assuming the key has not ...2⁶⁴ hash operations, to find a repeated ciphertext for a 64-bit block cipher or a repetition of a 64-bit challenge, he needs to collect and store about

...[[cipher]] except a [[one-time pad]]; variants of these work for either [[block cipher]]s or [[stream cipher]]s: ...attack]] — collect all possible plaintext/ciphertext pairs for a [[block cipher]], or the entire pseudorandom stream until it starts repeating for a [[stre

{{r|Block cipher}}

{{r|Block cipher}}

'''LOKI''' is the name of a series of [[block cipher]]s from an Australian group led by [[Jennifer Seberry]].

Started by moving text from [[block cipher]]. Needs more work, which I'm unlikely to do. [[User:Sandy Harris|Sandy Har

...a technique for [[cryptanalysis]]. The name comes from the attack on a [[block cipher]]; the attacker tries to build up a "code book", a table saying which ciphe For example, consider a block cipher with only an 8 bit block size. Assume the enemy is able to get or guess som

...ty expert, best known for designing the [[CAST (cipher)|CAST]] family of [[block cipher]]s.

ARIA is a [[block cipher]] developed in [[South Korea]], and an official standard (KS X 1213) there.

...yption Standard''', or '''AES''', is a US government specification for a [[block cipher]] to replace the earlier and weaker [[Data Encryption Standard]] (DES). AES ...Institute of Standards and Technology]] (NIST) ran a competition to find a block cipher to replace DES. Fifteen candidates were submitted; for descriptions of the

is a [[block cipher]] developed by a French team as a candidate for the [[AES competition]]; it

...ciphertext. A block cipher '''mode of operation''' specifies how multiple block cipher operations are to be combined to accomplish some larger task such as encryp ...Cipher Modes of Operation" <ref>{{cite paper | title = Recommendation for Block Cipher Modes of Operation | publisher = National Institute for Standards & Technol

...[[Symmetric key cryptography|secret key]] (symmetric) techniques such as [[block cipher]]s, [[stream cipher]]s and [[cryptographic hash]]es. Because asymmetric tec ...provide authentication and to securely transport the symmetric keys for a block cipher.

'''Skipjack''' was a [[block cipher]] devised by the [[NSA]], originally intended for use in the controversial

Created by moving text from [[block cipher]]. See that talk page for discussion. [[User:Sandy Harris|Sandy Harris]] 04 The article this text was moved from, [[block cipher]], is now approved and this text is in about the same state, so I think thi

...ar data. See the [[Block_cipher#Nonlinearity|nonlinearity]] section of the block cipher article for discussion. == Attacking a linear block cipher ==

{{r|Block cipher}}

There are several theses that contributed important ideas to block cipher design:

...standard [[block cipher]]. Block size is 64 bits, key size 128 bits. No [[Block cipher#S-boxes|S-boxes]] are used. The design was the PhD thesis of [[Xuejia Lai]] IDEA introduced a new class of block cipher design, the [[Block cipher#Lai-Massey scheme|Lai-Massey construction]].