Examples of the the word, cipher , in a Sentence Context

The word ( cipher ), is the 14495 most frequently used in English word vocabulary

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  1. Needed. Side-channel attacks Side-channel attacks do not attack the underlying, cipher ,and so have nothing to do with its security as described here, but attack
  2. Function. This approach is known as iterated block cipher (see also product, cipher ,). Each iteration is termed a round, and the repeated function is termed the
  3. Eco-mode and CTR mode are block modes that turn a block cipher into a stream, cipher , Cryptographic hash functions can be built using block cipher s. See one-way
  4. Information (see Security of AES, below ). Originally called Randall,the, cipher ,was developed by two Belgian cryptographers, Joan Daemon and Vincent Risen
  5. 3 bytes and 4 bytes respectively—this change only applies for the Randall, cipher ,when used with a 256-bit block, as AES does not use 256-bit blocks. The
  6. Groups of bits, called blocks, with an unvarying transformation. A block, cipher ,encryption algorithm might take (for example) a 128-bit block of plaintext as
  7. Recent Two fish algorithm instead. Blow fish in practice Blow fish is a fast block, cipher , except when changing keys. Each new key requires pre-processing equivalent to
  8. With the Red Arrows flying overhead. Blow fish is a keyed, symmetric block, cipher , designed in 1993 by Bruce Schneier and included in many cipher
  9. To do with its security as described here, but attack implementations of the, cipher ,on systems which inadvertently leak data. There are several such known attacks
  10. With 32-bit or larger words, it is possible to speed up execution of this, cipher ,by combining Subtypes and Shifts with Columns, and transforming them into
  11. And Technology (NIST) in 2001 after a 5-year public competition. The, cipher ,was developed by two Belgian cryptographers, Joan Daemon and Vincent Risen
  12. The encryption of individual bits. The resulting cipher is called a stream, cipher , An early and highly influential block cipher design was the Data Encryption
  13. Won awards for its design. In cryptography, a block cipher is a symmetric key, cipher ,operating on fixed-length groups of bits, called blocks, with an unvarying
  14. Cipher, designed in 1993 by Bruce Schneier and included in many, cipher ,suites and encryption products. Blow fish provides a good encryption rate in
  15. Applying a simpler function. This approach is known as iterated block, cipher ,(see also product cipher ). Each iteration is termed a round, and the repeated
  16. Security guaranteed by the algorithm. And given the slow initialization of the, cipher ,with each change of key, it is granted a natural protection against brute-force
  17. Real time" recovery of secret keys from AES-128 without the need for either, cipher ,text or plaintext. The approach also works on AES-128 implementations that use
  18. The Atlantic by en cipher ed teleprinter links. The Lorenz on-line teleprinter, cipher ,(SZ40/42) code named Tunny at Bletchley Park, was even more complicated than
  19. Termed Surgery (or jokingly Meningismus) for use against the Lorenz, cipher ,messages produced by the Germans' new Geheimschreiber machine (secret writer
  20. Size (128 bits in the above example) can still be encrypted with a block, cipher ,by breaking the message into blocks and encrypting each block individually.
  21. Box, the Randall S-box. This operation provides the non-linearity in the, cipher , The S-box used is derived from the multiplicative inverse over GF (28)
  22. Naval technology. Hut 4 also decoded a manual system known as the dockyard, cipher , This sometimes carried messages that were also sent on an Enigma network.
  23. Using block cipher s. Eco-mode and CTR mode are block modes that turn a block, cipher ,into a stream cipher . Cryptographic hash functions can be built using block
  24. The corresponding byte of the subway using bitwise XOR. Optimization of the, cipher ,On systems with 32-bit or larger words, it is possible to speed up execution of
  25. And key derivation with custom algorithms based on the SAFER+ block, cipher , Bluetooth key generation is generally based on a Bluetooth PIN, which must be
  26. Achievement may have been the breaking of the German on-line teleprinter Lorenz, cipher ,(known at GC&CS as Tunny). German and Italian signals The majority of the
  27. Is a block cipher , allow the encryption of individual bits. The resulting, cipher ,is called a stream cipher . An early and highly influential block cipher design
  28. Version of block cipher s called" tweakable" block cipher s. A tweakable block, cipher ,accepts a second input called the tweak along with its usual plaintext or
  29. Cryptography and cryptanalysis in the open community, and it inspired many new, cipher ,designs. DES has a block size of 64 bits and a key size of 56 bits. 64-bit
  30. Software has also won awards for its design. In cryptography, a block, cipher ,is a symmetric key cipher operating on fixed-length groups of bits, called
  31. Of operation, despite the fact that their underlying implementation is a block, cipher , allow the encryption of individual bits. The resulting cipher is called a
  32. Output bytes. Together with Shifts, MixColumns provides diffusion in the, cipher , During this operation, each column is multiplied by the known matrix that for
  33. Key or master key is generated, using the E22 algorithm. The E0 stream, cipher ,is used for encrypting packets, granting confidentiality and is based on a
  34. Description of the algorithm # Expansion—round keys are derived from the, cipher ,key using Rijndael's key schedule # Initial Round ## AddRoundKey—each byte of
  35. At Bletchley Park were the product of some variation of the Enigma, cipher ,machine. Five weeks before the outbreak of World War II, in Warsaw,Poland's
  36. Or decremented as needed. ROT13 This program en cipher s its input with the ROT13, cipher , To do this, it must map characters A-M (ASCII 65-77) to N-Z (78-90),and
  37. Algorithm, alkaline,almanac, amber,arsenal, assassin,banana, candy,carat, cipher , coffee, cotton,hazard, jar,jasmine, lemon,loofah, magazine,mattress
  38. Advanced Encryption Standard (AES),was adopted in 2001. Generalities A block, cipher ,consists of two paired algorithms, one for encryption, E,and the other for
  39. Into breaking both the Enigma machine and the Lorenz SZ 40/42 (a Teleprinter, cipher ,attachment code named Tunny by the British),and was, for a time, head of Hut 8
  40. And a variable key length from 1 bit up to 448 bits. It is a 16-round Faster, cipher ,and uses large key-dependent S-boxes. It is similar in structure to CAST-128
  41. History Lucifer is generally considered to be the first civilian block, cipher , developed at IBM in the 1970s based on work done by Horst Faster. A revised
  42. Randall () is a play on the names of the two inventors. Description of the, cipher ,AES is based on a design principle known as a Substitution permutation network.
  43. Cipher is called a stream cipher . An early and highly influential block, cipher ,design was the Data Encryption Standard (DES),developed at IBM and published
  44. Impossible differential cryptanalysis and algebraic attacks. For a new block, cipher ,design to have any credibility, it must demonstrate evidence of security
  45. Input. The tweak, along with the key, selects the permutation computed by the, cipher , If changing tweaks is sufficiently lightweight (compared with a usually
  46. Is now referred to as" Johnson noise ". ) During the 1920s,the one-time pad, cipher ,was invented by Gilbert Vernal and Joseph Gaborone at the laboratories. Bell
  47. Different encryption packages. AES is the first publicly accessible and open, cipher ,approved by the National Security Agency (NSA) for top secret information (
  48. Size of 64 bits and a key size of 56 bits. 64-bit blocks became common in block, cipher ,designs after DES. Key length depended on several factors, including government
  49. The state). Most AES calculations are done in a special finite field. The AES, cipher ,is specified as a number of repetitions of transformation rounds that convert
  50. For descriptions of several such methods. The methods resemble the block, cipher ,modes of operation usually used for encryption. Just as block cipher s can be

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