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BLOCK CIPHER

  • Block cipher
  • Type of cipher

    cryptography, a block cipher is a deterministic algorithm that operates on fixed-length groups of bits, called blocks. Block ciphers are the elementary

    Block cipher

    Block_cipher

  • Block cipher mode of operation
  • Cryptography algorithm

    In cryptography, a block cipher mode of operation is an algorithm that uses a block cipher to provide information security such as confidentiality or

    Block cipher mode of operation

    Block cipher mode of operation

    Block_cipher_mode_of_operation

  • Feistel cipher
  • Cryptography construction

    cryptography, a Feistel cipher (also known as Luby–Rackoff block cipher) is a symmetric structure used in the construction of block ciphers, named after the

    Feistel cipher

    Feistel cipher

    Feistel_cipher

  • Stream cipher
  • Type of symmetric key cipher

    stream. Stream ciphers represent a different approach to symmetric encryption from block ciphers. Block ciphers operate on large blocks of digits with

    Stream cipher

    Stream cipher

    Stream_cipher

  • Cipher
  • Algorithm for encrypting and decrypting information

    In cryptography, a cipher (or cypher) is an algorithm for performing encryption or decryption—a series of well-defined steps that can be followed as a

    Cipher

    Cipher

    Cipher

  • GOST (block cipher)
  • Soviet/Russian national standard block cipher

    GOST block cipher (Magma), defined in the standard GOST 28147-89, is a Soviet and Russian government standard symmetric key block cipher with a block size

    GOST (block cipher)

    GOST (block cipher)

    GOST_(block_cipher)

  • Advanced Encryption Standard
  • Standard for the encryption of electronic data

    Standards and Technology (NIST) in 2001. AES is a variant of the Rijndael block cipher developed by two Belgian cryptographers, Joan Daemen and Vincent Rijmen

    Advanced Encryption Standard

    Advanced Encryption Standard

    Advanced_Encryption_Standard

  • Symmetric-key algorithm
  • Algorithm

    use either stream ciphers or block ciphers. Stream ciphers encrypt the digits (typically bytes), or letters (in substitution ciphers) of a message one

    Symmetric-key algorithm

    Symmetric-key algorithm

    Symmetric-key_algorithm

  • Cryptography
  • Practice and study of secure communication techniques

    1976. Symmetric key ciphers are implemented as either block ciphers or stream ciphers. A block cipher enciphers input in blocks of plaintext as opposed

    Cryptography

    Cryptography

    Cryptography

  • One-way compression function
  • Cryptographic primitive

    One-way compression functions are often built from block ciphers. Some methods to turn any normal block cipher into a one-way compression function are Davies–Meyer

    One-way compression function

    One-way compression function

    One-way_compression_function

  • Authenticated encryption
  • Encryption method

    that securely combining separate confidentiality and authentication block cipher operation modes could be error prone and difficult. This was confirmed

    Authenticated encryption

    Authenticated_encryption

  • Substitution cipher
  • System to replace plaintext with ciphertext

    In cryptography, a substitution cipher is a method of encrypting that creates the ciphertext (its output) by replacing units of the plaintext (its input)

    Substitution cipher

    Substitution_cipher

  • RC4
  • Stream cipher

    (also known as ARC4 or ARCFOUR, meaning Alleged RC4, see below) is a stream cipher. While it is remarkable for its simplicity and speed in software, multiple

    RC4

    RC4

  • Galois/Counter Mode
  • Authenticated encryption mode for block ciphers

    Galois/Counter Mode (GCM) is a mode of operation for symmetric-key cryptographic block ciphers. The proposal was first published in 2007. The GCM algorithm belongs

    Galois/Counter Mode

    Galois/Counter_Mode

  • Ciphertext
  • Encrypted information

    algorithms can either be block ciphers or stream ciphers. Block ciphers operate on fixed-length groups of bits, called blocks, with an unvarying transformation

    Ciphertext

    Ciphertext

    Ciphertext

  • Blowfish (cipher)
  • Block cipher

    Blowfish is a symmetric-key block cipher, designed in 1993 by Bruce Schneier and included in many cipher suites and encryption products. Blowfish provides

    Blowfish (cipher)

    Blowfish_(cipher)

  • Vigenère cipher
  • Simple type of polyalphabetic encryption system

    The Vigenère cipher (French pronunciation: [viʒnɛːʁ]) is a method of encrypting alphabetic text where each letter of the plaintext is encoded with a different

    Vigenère cipher

    Vigenère cipher

    Vigenère_cipher

  • Cryptanalysis
  • Study of analyzing information systems in order to discover their hidden aspects

    distinguish the cipher from a random permutation. Academic attacks are often against weakened versions of a cryptosystem, such as a block cipher or hash function

    Cryptanalysis

    Cryptanalysis

    Cryptanalysis

  • Padding (cryptography)
  • Adding data to a message prior to encryption to hide its length

    SHA-512/224, and SHA-512/256 Cipher-block chaining (CBC) mode is an example of block cipher mode of operation. Some block cipher modes (CBC and PCBC essentially)

    Padding (cryptography)

    Padding_(cryptography)

  • Cipher security summary
  • Attacks against common ciphers

    This article summarizes publicly known attacks against block ciphers and stream ciphers. Note that there are perhaps attacks that are not publicly known

    Cipher security summary

    Cipher_security_summary

  • VIC cipher
  • Complex Soviet pencil and paper cipher

    certainly not as complex or secure as modern computer operated stream ciphers or block ciphers, in practice messages protected by it resisted all attempts at

    VIC cipher

    VIC cipher

    VIC_cipher

  • Ciphertext stealing
  • Cryptographic algorithm

    method of using a block cipher mode of operation that allows for processing of messages that are not evenly divisible into blocks without resulting in

    Ciphertext stealing

    Ciphertext_stealing

  • Pseudorandom permutation
  • Class of functions in cryptography

    the block cipher's security parameter (this usually means the effort required should be about the same as a brute force search through the cipher's key

    Pseudorandom permutation

    Pseudorandom_permutation

  • Twofish
  • Block cipher

    In cryptography, Twofish is a symmetric key block cipher with a block size of 128 bits and key sizes up to 256 bits. It was one of the five finalists

    Twofish

    Twofish

    Twofish

  • Hill cipher
  • Substitution cipher based on linear algebra

    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

    Hill cipher

    Hill cipher

    Hill_cipher

  • Cryptographic hash function
  • Hash function that is suitable for use in cryptography

    use a block cipher to build a cryptographic hash function, specifically a one-way compression function. The methods resemble the block cipher modes of

    Cryptographic hash function

    Cryptographic hash function

    Cryptographic_hash_function

  • Counter-based random number generator
  • Algorithms to produce pseudo-random numbers

    versions of block ciphers. Below we explain how this works. When using a cryptographic block cipher in counter mode, you generate a series of blocks of random

    Counter-based random number generator

    Counter-based_random_number_generator

  • Common Scrambling Algorithm
  • Encryption algorithm used by DVB television standard

    distinct ciphers: a block cipher and a stream cipher. When used in encryption mode the data are first encrypted using the 64-bit block cipher in CBC mode

    Common Scrambling Algorithm

    Common_Scrambling_Algorithm

  • Kuznyechik
  • Block cipher

    for 'Grasshopper'; Cyrillic script: Кузнечик) is a symmetric block cipher. It has a block size of 128 bits and key length of 256 bits. It is defined in

    Kuznyechik

    Kuznyechik

  • CBC-MAC
  • Message authentication code algorithm

    encrypted with some block cipher algorithm in cipher block chaining (CBC) mode to create a chain of blocks such that each block depends on the proper

    CBC-MAC

    CBC-MAC

    CBC-MAC

  • Pigpen cipher
  • Type of substitution cipher

    pigpen cipher (alternatively referred to as the masonic cipher, Freemason's cipher, Rosicrucian cipher, Napoleon cipher, and tic-tac-toe cipher) is a geometric

    Pigpen cipher

    Pigpen cipher

    Pigpen_cipher

  • Camellia (cipher)
  • Feistel network based block cipher

    In cryptography, Camellia is a symmetric key block cipher with a block size of 128 bits and key sizes of 128, 192 and 256 bits. It was jointly developed

    Camellia (cipher)

    Camellia_(cipher)

  • Comparison of cryptography libraries
  • implementations of block ciphers. Block ciphers are defined as being deterministic and operating on a set number of bits (termed a block) using a symmetric

    Comparison of cryptography libraries

    Comparison_of_cryptography_libraries

  • SM4 (cipher)
  • Chinese block cipher

    ShāngMì 4 (SM4, 商密4) (formerly SMS4) is a block cipher, standardised for commercial cryptography in China. It is used in the Chinese National Standard

    SM4 (cipher)

    SM4 (cipher)

    SM4_(cipher)

  • Triple DES
  • Block cipher

    Triple DEA), is a symmetric-key block cipher, which applies the DES cipher algorithm three times to each data block. The 56-bit key of the Data Encryption

    Triple DES

    Triple DES

    Triple_DES

  • Serpent (cipher)
  • Block cipher

    Serpent is a symmetric key block cipher that was a finalist in the Advanced Encryption Standard (AES) contest, in which it ranked second to Rijndael. Serpent

    Serpent (cipher)

    Serpent (cipher)

    Serpent_(cipher)

  • Lucifer (cipher)
  • Earliest civilian block ciphers

    cryptography, Lucifer was the name given to several of the earliest civilian block ciphers, developed by Horst Feistel and his colleagues at IBM. Lucifer was a

    Lucifer (cipher)

    Lucifer_(cipher)

  • Linear cryptanalysis
  • Form of cryptanalysis

    a cipher. Attacks have been developed for block ciphers and stream ciphers. Linear cryptanalysis is one of the two most widely used attacks on block ciphers;

    Linear cryptanalysis

    Linear_cryptanalysis

  • Data Encryption Standard
  • Early unclassified symmetric-key block cipher

    design elements, a relatively short key length of the symmetric-key block cipher design, and the involvement of the NSA, raising suspicions about a backdoor

    Data Encryption Standard

    Data Encryption Standard

    Data_Encryption_Standard

  • Format-preserving encryption
  • Method in cryptography

    the definition of an n-bit block cipher). For such finite domains, and for the purposes of the discussion below, the cipher is equivalent to a permutation

    Format-preserving encryption

    Format-preserving_encryption

  • Adiantum (cipher)
  • Wide-block cipher

    Adiantum is a cipher composition for disk encryption. It uses a new cipher construction called HBSH (hash, block cipher, stream cipher, hash), specifically

    Adiantum (cipher)

    Adiantum_(cipher)

  • Playfair cipher
  • Early block substitution cipher

    The Playfair cipher or Playfair square or Wheatstone–Playfair cipher is a manual symmetric encryption technique and was the first literal digram substitution

    Playfair cipher

    Playfair cipher

    Playfair_cipher

  • Bifid cipher
  • Encryption system

    In classical cryptography, the bifid cipher is a cipher which combines the Polybius square with transposition, and uses fractionation to achieve diffusion

    Bifid cipher

    Bifid_cipher

  • Beaufort cipher
  • Polyalphabetic encryption system

    The Beaufort cipher, created by Sir Francis Beaufort, is a substitution cipher similar to the Vigenère cipher, with a slightly modified enciphering mechanism

    Beaufort cipher

    Beaufort_cipher

  • Transport Layer Security
  • Cryptographic protocols for securing data in transit

    attack breaks all block ciphers (CBC ciphers) used in SSL 3.0 unless mitigated by the client or the server. See § Web browsers. AEAD ciphers (such as GCM and

    Transport Layer Security

    Transport_Layer_Security

  • Differential cryptanalysis
  • General form of cryptanalysis applicable primarily to block ciphers

    general form of cryptanalysis applicable primarily to block ciphers, but also to stream ciphers and cryptographic hash functions. In the broadest sense

    Differential cryptanalysis

    Differential_cryptanalysis

  • Running key cipher
  • Type of polyalphabetic substitution cipher

    In classical cryptography, the running key cipher is a type of polyalphabetic substitution cipher in which a text, typically from a book, is used to provide

    Running key cipher

    Running_key_cipher

  • Outline of cryptography
  • Caesar cipher ROT13 Affine cipher Atbash cipher Keyword cipher Polyalphabetic substitution Vigenère cipher Autokey cipher Homophonic substitution cipher Polygraphic

    Outline of cryptography

    Outline_of_cryptography

  • International Data Encryption Algorithm
  • Symmetric-key block cipher

    called Improved Proposed Encryption Standard (IPES), is a symmetric-key block cipher designed by James Massey of ETH Zurich and Xuejia Lai and was first described

    International Data Encryption Algorithm

    International Data Encryption Algorithm

    International_Data_Encryption_Algorithm

  • Initialization vector
  • Input to a cryptographic primitive

    between (potentially similar) segments of the encrypted message. For block ciphers, the use of an IV is described by the modes of operation. Some cryptographic

    Initialization vector

    Initialization_vector

  • Digital signature transponder
  • The DST is an unpowered "passive" transponder which uses a proprietary block cipher to implement a challenge–response authentication protocol. Each DST tag

    Digital signature transponder

    Digital_signature_transponder

  • Simon (cipher)
  • Family of lightweight block ciphers

    Simon is a family of lightweight block ciphers publicly released by the National Security Agency (NSA) in June 2013. Simon has been optimized for performance

    Simon (cipher)

    Simon (cipher)

    Simon_(cipher)

  • Transposition cipher
  • Method of encryption

    In cryptography, a transposition cipher (also known as a permutation cipher) is a method of encryption which scrambles the positions of characters (transposition)

    Transposition cipher

    Transposition cipher

    Transposition_cipher

  • XTEA
  • Block cipher

    In cryptography, XTEA (eXtended TEA) is a block cipher designed to correct weaknesses in TEA. The cipher's designers were David Wheeler and Roger Needham

    XTEA

    XTEA

    XTEA

  • Trivium (cipher)
  • Stream cipher

    Trivium is a synchronous stream cipher designed to provide a flexible trade-off between speed and gate count in hardware, and reasonably efficient software

    Trivium (cipher)

    Trivium (cipher)

    Trivium_(cipher)

  • BEAR and LION ciphers
  • Block ciphers

    The BEAR and LION block ciphers were invented by Ross Anderson and Eli Biham by combining a stream cipher and a cryptographic hash function. The algorithms

    BEAR and LION ciphers

    BEAR_and_LION_ciphers

  • Cryptographically secure pseudorandom number generator
  • Type of functions designed for being unsolvable by root-finding algorithms

    underlying block cipher when the number of bits output from this PRNG is greater than two to the power of the underlying block cipher's block size in bits

    Cryptographically secure pseudorandom number generator

    Cryptographically_secure_pseudorandom_number_generator

  • Avalanche effect
  • Concept in cryptography

    effect is the desirable property of cryptographic algorithms, typically block ciphers and cryptographic hash functions, wherein if an input is changed slightly

    Avalanche effect

    Avalanche effect

    Avalanche_effect

  • Speck (cipher)
  • Family of block ciphers

    Speck is part of a family of lightweight block ciphers publicly released by the National Security Agency (NSA) in June 2013. Speck has been optimized

    Speck (cipher)

    Speck (cipher)

    Speck_(cipher)

  • Classical cipher
  • Disused cipher that was used historically

    In cryptography, a classical cipher is a type of cipher that was used historically but, for the most part, has fallen into disuse. In contrast to modern

    Classical cipher

    Classical_cipher

  • QARMA
  • QARMA (from Qualcomm ARM Authenticator) is a lightweight tweakable block cipher primarily known for its use in the ARMv8 architecture for protection of

    QARMA

    QARMA

  • Iraqi block cipher
  • Cipher

    In cryptography, the Iraqi block cipher was a block cipher published in C source code form by anonymous FTP upload around July 1999, and widely distributed

    Iraqi block cipher

    Iraqi_block_cipher

  • CCM mode
  • Authenticated encryption mode for block ciphers

    (counter with cipher block chaining message authentication code; counter with CBC-MAC) is a mode of operation for cryptographic block ciphers. It is an authenticated

    CCM mode

    CCM_mode

  • Lorenz cipher
  • Cipher machines used by the German Army during World War II

    The Lorenz SZ40, SZ42a and SZ42b were German rotor stream cipher machines used by the German Army during World War II. They were developed by C. Lorenz

    Lorenz cipher

    Lorenz cipher

    Lorenz_cipher

  • Salt (cryptography)
  • Random data used as an additional input to a hash function

    Cryptographic nonce Initialization vector Padding "Spice" in the Hasty Pudding cipher Rainbow tables Pepper (cryptography) Fenton, James L.; Grassi, Paul A.;

    Salt (cryptography)

    Salt_(cryptography)

  • Message authentication code
  • Information used for message authentication and integrity checking

    like cryptographic hash functions (as in the case of HMAC) or from block cipher algorithms (OMAC, CCM, GCM, and PMAC). However many of the fastest MAC

    Message authentication code

    Message_authentication_code

  • MDC-2
  • Cryptographic hash function

    based on a block cipher with a proof of security in the ideal-cipher model. The length of the output hash depends on the underlying block cipher used. Let

    MDC-2

    MDC-2

  • Keystream
  • Concept in cryptography

    pad cipher and in most stream ciphers. Block ciphers can also be used to produce keystreams. For instance, CTR mode is a block mode that makes a block cipher

    Keystream

    Keystream

  • HMAC
  • Computer communications authentication algorithm

    SHA-1) blockSize: Integer // The block size of the hash function (e.g. 64 bytes for SHA-1) // Compute the block sized key block_sized_key = computeBlockSizedKey(key

    HMAC

    HMAC

    HMAC

  • Skipjack (cipher)
  • Block cipher

    In cryptography, Skipjack is a block cipher — an algorithm for encryption — developed by the United States National Security Agency (NSA). Initially a

    Skipjack (cipher)

    Skipjack_(cipher)

  • NSA cryptography
  • Cryptography practises of the USA's National Security Agency

    algorithm transition." NSA encryption systems Speck and Simon, light-weight block ciphers, published by NSA in 2013 "National Information Assurance Glossary";

    NSA cryptography

    NSA_cryptography

  • Atbash
  • Substitution cipher

    (Hebrew: אתבש; also transliterated Atbaš) is a monoalphabetic substitution cipher originally used to encrypt the Hebrew alphabet. It can be modified for use

    Atbash

    Atbash

  • Caesar cipher
  • Simple and widely known encryption technique

    A Caesar cipher is one of the simplest and most widely known encryption techniques used in cryptography. It is a type of substitution cipher in which

    Caesar cipher

    Caesar cipher

    Caesar_cipher

  • KWallet
  • Open-source password management software

    such as passwords or IDs and encrypt them through Blowfish symmetric block cipher algorithm or GNU Privacy Guard encryption. KDE Wallet Manager (KWallet)

    KWallet

    KWallet

    KWallet

  • ISO/IEC 9797-1
  • International standard

    techniques – Message Authentication Codes (MACs) – Part 1: Mechanisms using a block cipher is an international standard that defines methods for calculating a message

    ISO/IEC 9797-1

    ISO/IEC_9797-1

  • Enigma machine
  • German cipher machine during World War II

    The Enigma machine is a cipher device developed and used in the early- to mid-20th century to protect commercial, diplomatic, and military communication

    Enigma machine

    Enigma machine

    Enigma_machine

  • Autokey cipher
  • Classic polyalphabet encryption system

    An autokey cipher (also known as the autoclave cipher) is a cipher that incorporates the message (the plaintext) into the key. The key is generated from

    Autokey cipher

    Autokey cipher

    Autokey_cipher

  • Salsa20
  • Stream ciphers

    and the closely related ChaCha are stream ciphers developed by Daniel J. Bernstein. Salsa20, the original cipher, was designed in 2005, then later submitted

    Salsa20

    Salsa20

    Salsa20

  • Joan Clarke
  • English cryptanalyst (1917–1996)

    messages during World War II. In 1941, trawlers were captured as well as their cipher equipment and codes. Before this information was obtained, wolf packs had

    Joan Clarke

    Joan_Clarke

  • Polyalphabetic cipher
  • Multiple-substitution writing system cipher

    polyalphabetic cipher is a substitution, using multiple substitution alphabets. The Vigenère cipher is probably the best-known example of a polyalphabetic cipher, though

    Polyalphabetic cipher

    Polyalphabetic_cipher

  • Affine cipher
  • Type of substitution cipher

    The affine cipher is a type of monoalphabetic substitution cipher, where each letter in an alphabet is mapped to its numeric equivalent, encrypted using

    Affine cipher

    Affine_cipher

  • Advanced Encryption Standard process
  • Process of developing the AES standard

    The Advanced Encryption Standard (AES), the symmetric block cipher ratified as a standard by National Institute of Standards and Technology of the United

    Advanced Encryption Standard process

    Advanced_Encryption_Standard_process

  • Meet-in-the-middle attack
  • Generic space–time tradeoff cryptographic attack

    space and 2112 operations. When trying to improve the security of a block cipher, a tempting idea is to encrypt the data several times using multiple

    Meet-in-the-middle attack

    Meet-in-the-middle_attack

  • Block size (cryptography)
  • Length of bit string processed by a cipher

    modern cryptography, symmetric key ciphers are generally divided into stream ciphers and block ciphers. Block ciphers operate on a fixed length string of

    Block size (cryptography)

    Block_size_(cryptography)

  • Book cipher
  • Encryption and decryption method

    A book cipher is a cipher in which each word or letter in the plaintext of a message is replaced by some code that locates it in another text, the key

    Book cipher

    Book cipher

    Book_cipher

  • SHA-2
  • Set of cryptographic hash functions

    function itself built using the Davies–Meyer structure from a specialized block cipher. SHA-2 includes significant changes from its predecessor, SHA-1. The

    SHA-2

    SHA-2

    SHA-2

  • RC6
  • Block cipher

    In cryptography, RC6 is a symmetric key block cipher derived from RC5. It was designed by Ron Rivest, Matt Robshaw, Ray Sidney, and Yiqun Lisa Yin to meet

    RC6

    RC6

    RC6

  • Kalyna
  • Topics referred to by the same term

    Wiktionary, the free dictionary. Kalyna may refer to: Kalyna (cipher), a symmetric block cipher Kalyna Country, a heritage and eco-tourism district in Alberta

    Kalyna

    Kalyna

  • Tiny Encryption Algorithm
  • Block cipher

    In cryptography, the Tiny Encryption Algorithm (TEA) is a block cipher notable for its simplicity of description and implementation, typically a few lines

    Tiny Encryption Algorithm

    Tiny Encryption Algorithm

    Tiny_Encryption_Algorithm

  • Boomerang attack
  • Form of cryptanalysis

    of block ciphers based on differential cryptanalysis. The attack was published in 1999 by David Wagner, who used it to break the COCONUT98 cipher. The

    Boomerang attack

    Boomerang attack

    Boomerang_attack

  • Bacon's cipher
  • Steganography method

    Bacon's cipher or the Baconian cipher is a method of steganographic message encoding devised by Francis Bacon in 1605. In steganography, a message is

    Bacon's cipher

    Bacon's cipher

    Bacon's_cipher

  • Disk encryption theory
  • the ciphers' block-size (typically 128 bits). Modes are therefore rules on how to repeatedly apply the ciphers' single-block operations. Cipher-block chaining

    Disk encryption theory

    Disk_encryption_theory

  • One-time pad
  • Encryption technique

    Retrieved 2011-12-21. Lars R. Knudsen & Matthew Robshaw (2011). The Block Cipher Companion. Springer Science & Business Media. pp. 1–14. ISBN 978-3-642-17342-4

    One-time pad

    One-time pad

    One-time_pad

  • Encryption
  • Process of converting plaintext to ciphertext

    theorized a cipher to encode and decode messages to provide a more secure way of military correspondence. The cipher, known today as the Wheel Cipher or the

    Encryption

    Encryption

    Encryption

  • SEED
  • Block cipher

    SEED is a block cipher developed by the Korea Information Security Agency (KISA). It is used broadly throughout South Korean industry, but seldom found

    SEED

    SEED

  • RSA cryptosystem
  • Algorithm for public-key cryptography

    insecure public-key cipher published in 1997, designed for educational purposes. Kid-RSA gives insight into RSA and other public-key ciphers, analogous to simplified

    RSA cryptosystem

    RSA_cryptosystem

  • Polybius square
  • Type of code

    used as a basic cipher called the Polybius cipher. This cipher is quite insecure by modern standards, as it is a substitution cipher with characters being

    Polybius square

    Polybius square

    Polybius_square

  • Rail fence cipher
  • Type of transposition cipher

    The rail fence cipher (also called a zigzag cipher) is a classical type of transposition cipher. It derives its name from the manner in which encryption

    Rail fence cipher

    Rail fence cipher

    Rail_fence_cipher

  • Bcrypt
  • Password-based key derivation function

    among block ciphers for its expensive key setup phase. It starts off with subkeys in a standard state, then uses this state to perform a block encryption

    Bcrypt

    Bcrypt

  • XXTEA
  • Block cipher

    cryptography, Corrected Block TEA (often referred to as XXTEA) is a block cipher designed to correct weaknesses in the original Block TEA. XXTEA is vulnerable

    XXTEA

    XXTEA

    XXTEA

AI & ChatGPT searchs for online references containing BLOCK CIPHER

BLOCK CIPHER

AI search references containing BLOCK CIPHER

BLOCK CIPHER

  • Brock
  • Boy/Male

    German American English

    Brock

    Brock

  • Itaf |
  • Girl/Female

    Muslim

    Itaf |

    Clock

    Itaf |

  • Jetta
  • Girl/Female

    Australian, Christian, Finnish, German, Latin, Swedish

    Jetta

    Jet Black; Black Germ; Jet-black Gemstone; Coal Black

    Jetta

  • Flock
  • Surname or Lastname

    English

    Flock

    English : of uncertain origin; possibly a nickname for someone with thick curly hair, from Old French floc ‘stable of wool’. Alternatively, it may be a metonymic occupational name for a shepherd, from Old English flocc ‘herd’, ‘company’.German : unexplained.German (Flöck) : variant of Flück (see Fluck), or from a pet form of a personal name formed with Old Saxon flōd ‘flood’.

    Flock

  • Brock
  • Surname or Lastname

    English, Scottish, and North German

    Brock

    English, Scottish, and North German : variant of Brook.English, Scottish, and Scandinavian : nickname for a person supposedly resembling a badger, Middle English broc(k) (Old English brocc) and Danish brok (a word of Celtic origin; compare Welsh broch, Cornish brogh, Irish broc). In the Middle Ages badgers were regarded as unpleasant creatures.English : nickname from Old French broque, brock ‘young stag’.Dutch : from a personal name, a short form of Brockaert .South German : nickname for a stout and strong man from Middle High German brocke ‘lump’, ‘piece’.Jewish (Ashkenazic) : probably an acronymic family name from Jewish Aramaic bar- or Hebrew ben- ‘son of’, and the first letter of each part of a Yiddish double male personal name. Compare Brill.Jewish (from Poland) : habitational name from Brok, a place in Poland.

    Brock

  • Black
  • Surname or Lastname

    Scottish and English

    Black

    Scottish and English : from Middle English blak(e) ‘black’ (Old English blæc, blaca), a nickname given from the earliest times to a swarthy or dark-haired man.Scottish and English : from Old English blāc ‘pale’, ‘fair’, i.e. precisely the opposite meaning to 1, and a variant of Blake 2. Blake and Black are found more or less interchangeably in several surnames and place names.English : variant of Blanc as a Norman name. The pronunciation of the nasalized vowel gave considerable difficulty to English speakers, and its quality was often ignored.Scottish and Irish : translation of various names from Gaelic dubh ‘black’ (see Duff).Danish and Swedish : generally, probably the English and Scottish name, but in some cases perhaps a variant spelling of Blak, a nickname from blak ‘black’.In some cases, a translation of various names meaning ‘black’, for example German and Jewish Schwarz.

    Black

  • Suwayd |
  • Boy/Male

    Muslim

    Suwayd |

    Black

    Suwayd |

  • Blick
  • Surname or Lastname

    English

    Blick

    English : unexplained; possibly from Middle English bleik, blek(e) ‘pallid’, ‘sallow’ (from Old Norse bleikr ‘pale’) with alteration of the vowel, although Reaney suggests it may be a nickname derived from Middle English blikie(n) ‘to shine or gleam’ (from Old English blīcian).Jewish (Ashkenazic) : origin uncertain; possibly from German Blick or Yiddish blik ‘glance’, ‘look’, and based on some now irrecoverable anecdote.German : Prussian variant of Blek, a nickname from Middle High German blic ‘shine’.German : short form of the Low German occupational name Blickslager ‘tinsmith’. Compare Bleck.German : from a short form of the Germanic personal name Bligger, Blickhart, based on blic ‘gleam’, ‘shine’, later ‘pale’.

    Blick

  • Lock
  • Boy/Male

    British, English, Irish

    Lock

    Woods; Fortified Place; Bright; Radiant

    Lock

  • Plock
  • Surname or Lastname

    English

    Plock

    English : topographic name for someone who lived on a small plot of land, from Middle English plocke ‘small piece of ground’.Americanized spelling of German Ploch.Variant of German Block.

    Plock

  • Lock
  • Surname or Lastname

    English

    Lock

    English : metonymic occupational name for a locksmith, from Middle English, Old English loc ‘lock’, ‘fastening’.English : topographic name for someone who lived near an enclosure, a place that could be locked, Middle English loke, Old English loca (a derivative of loc as in 1). Middle English loke also came to be used to denote a barrier, in particular a barrier on a river which could be opened and closed at will, and, by extension, a bridge. The surname may thus also have been a metonymic occupational name for a lock-keeper.English, Dutch, and German : nickname for a person with fine hair, or curly hair, from Middle English loc, Middle High German lock(e) ‘lock (of hair)’, ‘curl’.Americanized spelling of German Loch.

    Lock

  • Black
  • Boy/Male

    American, Anglo, British, English

    Black

    Dark; Dark Skinned

    Black

  • Sucki
  • Boy/Male

    Native American

    Sucki

    Black.

    Sucki

  • Block
  • Surname or Lastname

    German and Dutch

    Block

    German and Dutch : from Middle High German bloch, Middle Dutch blok ‘block of wood’, ‘stocks’. The surname probably originated as a nickname for a large, lumpish man, or perhaps as a nickname for a persistent lawbreaker who found himself often in the stocks.English : possibly a metonymic occupational name for someone who blocks, as in shoemaking and bookbinding, from Middle English blok ‘block’.Jewish (Ashkenazic) : Americanized spelling of Bloch (see Vlach).Adriaen Coertsz Block was a Dutch-born merchant-explorer who traded along the CT coast and Long Island shortly after Hudson’s voyage to the region in 1609. Block Island, between the north fork of Long Island and RI, which he used as a base of operations, is named after him.

    Block

  • Brock
  • Male

    English

    Brock

    The Badger

    Brock

  • Bock
  • Surname or Lastname

    German

    Bock

    German : nickname for a man with some fancied resemblance to a he-goat, Middle High German boc, or a habitational name from a house distinguished by the sign of a goat.Altered spelling of German Böck (see Boeck) or Bach.Jewish (Ashkenazic) : ornamental name from German Bock ‘he-goat’.English : variant of Buck.

    Bock

  • Black
  • Boy/Male

    English

    Black

    Dark.

    Black

  • Aswad |
  • Boy/Male

    Muslim

    Aswad |

    Black

    Aswad |

  • BROCK
  • Male

    English

    BROCK

    Surname transferred to forename use, derived from Old English brocc BROCK means "badger."

    BROCK

  • Brock
  • Boy/Male

    American, Australian, British, Chinese, Christian, English, German, Indian, Irish

    Brock

    Stream; Badger

    Brock

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Online names & meanings

  • Tameeka
  • Girl/Female

    American, Australian

    Tameeka

    People

  • NITHYA
  • Female

    Hindi/Indian

    NITHYA

    Variant spelling of Hindi Nitya, NITHYA means "always; eternally."

  • Shock
  • Surname or Lastname

    English

    Shock

    English : from Middle English schock, ‘shock’, ‘group of sheaves (of grain)’, either a metonymic occupational name for someone who arranged sheaves in a shock, or a descriptive nickname for someone whose hair stood up on end, thus resembling a shock of sheaves.Americanized spelling of German Schock.

  • Leelawati
  • Girl/Female

    Gujarati, Hindu, Indian, Marathi, Oriya, Rajasthani, Tamil, Traditional

    Leelawati

    Goddess Durga; Playful

  • Manaswin
  • Boy/Male

    Hindu, Indian

    Manaswin

    Lord Vishnu

  • Dhanumani
  • Boy/Male

    Hindu, Indian

    Dhanumani

    Bow Man

  • Dimon
  • Biblical

    Dimon

    where it is red

  • Fulks
  • Surname or Lastname

    English

    Fulks

    English : variant of Foulks.

  • Delaram
  • Girl/Female

    Indian, Parsi

    Delaram

    Quiet Hearted

  • CARMI
  • Male

    English

    CARMI

    Anglicized form of Hebrew Karmiy, CARMI means "a vinedresser" or "my vineyard." In the bible, this is the name of a Judaite, father of Achan, and the name of the fourth son of Reuben.

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Other words and meanings similar to

BLOCK CIPHER

AI search in online dictionary sources & meanings containing BLOCK CIPHER

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  • Black
  • a.

    In a less literal sense: Enveloped or shrouded in darkness; very dark or gloomy; as, a black night; the heavens black with clouds.

  • Jet-black
  • a.

    Black as jet; deep black.

  • Coal-black
  • a.

    As black as coal; jet black; very black.

  • Block
  • v. t.

    Any obstruction, or cause of obstruction; a stop; a hindrance; an obstacle; as, a block in the way.

  • Flock
  • n.

    A lock of wool or hair.

  • Clock
  • n.

    The striking of a clock.

  • Block
  • v. t.

    A piece of wood more or less bulky; a solid mass of wood, stone, etc., usually with one or more plane, or approximately plane, faces; as, a block on which a butcher chops his meat; a block by which to mount a horse; children's playing blocks, etc.

  • Black
  • a.

    To make black; to blacken; to soil; to sully.

  • Black-eyed
  • a.

    Having black eyes.

  • Black
  • n.

    A black pigment or dye.

  • Belock
  • v. t.

    To lock, or fasten as with a lock.

  • Block
  • n.

    To shape on, or stamp with, a block; as, to block a hat.

  • Black
  • n.

    Mourning garments of a black color; funereal drapery.

  • Black
  • n.

    A negro; a person whose skin is of a black color, or shaded with black; esp. a member or descendant of certain African races.

  • Black
  • n.

    A black garment or dress; as, she wears black

  • Block
  • v. t.

    A section of a railroad where the block system is used. See Block system, below.

  • Block
  • n.

    To secure or support by means of blocks; to secure, as two boards at their angles of intersection, by pieces of wood glued to each.

  • Flock
  • v. t.

    To flock to; to crowd.