Üdvözlöm, Ön a
cryptography szó jelentését keresi. A DICTIOUS-ban nem csak a
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cryptography szót egyes és többes számban mondani. Minden, amit a
cryptography szóról tudni kell, itt található. A
cryptography szó meghatározása segít abban, hogy pontosabban és helyesebben fogalmazz, amikor beszélsz vagy írsz. A
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Főnév
cryptography (tsz. cryptographies)
- titkosítás
- (matematika, informatika) kriptográfia
Sablon:short description
Sablon:see also
the following outline is provided as an overview of and topical guide to cryptography:
cryptography (or cryptology) – practice and study of hiding information. modern cryptography intersects the disciplines of mathematics, computer science, and engineering. applications of cryptography include atm cards, computer passwords, and electronic commerce.
Sablon:toc limit
essence of cryptography
uses of cryptographic techniques
branches of cryptography
history of cryptography
ciphers
classical
modern symmetric-key algorithms
symmetric-key algorithm
Sablon:further
- product cipher
- feistel cipher – pattern by horst feistel
- advanced encryption standard (rijndael) – 128-bit block; nist selection for the aes, fips 197; created 2001—by joan daemen and vincent rijmen; nessie selection; cryptrec recommendation.
- anubis – 128-bit block
- bear – built from a stream cypher and hash function, by ross anderson
- blowfish – 64-bit block; by bruce schneier et al.
- camellia – 128-bit block; nessie selection (ntt & mitsubishi electric); cryptrec recommendation
- cast-128 (cast5) – 64-bit block; one of a series of algorithms by carlisle adams and stafford tavares, insistent that the name is not due to their initials
- cast-256 (cast6) – 128-bit block; the successor to cast-128 and a candidate for the aes competition
- cipherunicorn-a – 128-bit block; cryptrec recommendation
- cipherunicorn-e – 64-bit block; cryptrec recommendation (limited)
- cmea – cipher used in us cellphones, found to have weaknesses.
- cs-cipher – 64-bit block
- data encryption standard (des) – 64-bit block; fips 46-3, 1976
- deal – an aes candidate derived from des
- des-x – a variant of des to increase the key size.
- feal
- gdes – a des variant designed to speed up encryption
- grand cru – 128-bit block
- hierocrypt-3 – 128-bit block; cryptrec recommendation
- hierocrypt-l1 – 64-bit block; cryptrec recommendation (limited)
- idea nxt – project name fox, 64-bit and 128-bit block family; mediacrypt (switzerland); by pascal junod & serge vaudenay of swiss institute of technology lausanne
- international data encryption algorithm (idea) – 64-bit block;james massey & x lai of eth zurich
- iraqi block cipher (ibc)
- kasumi – 64-bit block; based on misty1, adopted for next generation w-cdma cellular phone security
- khazad – 64-bit block designed by barretto and rijmen
- khufu and khafre – 64-bit block ciphers
- kuznyechik – russian 128-bit block cipher, defined in gost r 34.12-2015 and rfc 7801.
- lion – block cypher built from stream cypher and hash function, by ross anderson
- loki89/91 – 64-bit block ciphers
- loki97 – 128-bit block cipher, aes candidate
- lucifer – by tuchman et al. of ibm, early 1970s; modified by nsa/nbs and released as des
- magenta – aes candidate
- mars – aes finalist, by don coppersmith et al.
- misty1 – nessie selection 64-bit block; mitsubishi electric (japan); cryptrec recommendation (limited)
- misty2 – 128-bit block: mitsubishi electric (japan)
- nimbus – 64-bit block
- noekeon – 128-bit block
- nush – variable block length (64-256-bit)
- q – 128-bit block
- rc2 – 64-bit block, variable key length
- safer – variable block length
- sc2000 – 128-bit block; cryptrec recommendation
- serpent – 128-bit block; aes finalist by ross anderson, eli biham, lars knudsen
- shacal-1 – 160-bit block
- shacal-2 – 256-bit block cypher; nessie selection gemplus (france)
- shark – grandfather of rijndael/aes, by daemen and rijmen
- tea – by david wheeler & roger needham
- triple des – by walter tuchman, leader of the lucifer design team—not all triple uses of des increase security, tuchman's does; cryptrec recommendation (limited), only when used as in fips pub 46-3
- twofish – 128-bit block; aes finalist by bruce schneier et al.
- xtea – by david wheeler & roger needham
- 3-way – 96-bit block by joan daemen
- polyalphabetic substitution machine cyphers
- enigma – wwii german rotor cypher machine—many variants, any user networks for most of the variants
- purple – highest security wwii japanese foreign office cypher machine; by japanese navy captain
- sigaba – wwii us cypher machine by william friedman, frank rowlett et al.
- typex – wwii uk cypher machine
- hybrid code/cypher combinations
- jn-25 – wwii japanese navy superencyphered code; many variants
- naval cypher 3 – superencrypted code used by the royal navy in the 1930s and into wwii
modern asymmetric-key algorithms
keys
transport/exchange
classical
modern
robustness properties
undeciphered historical codes and ciphers
organizations and selection projects
cryptography standards
general cryptographic
open efforts
- data encryption standard (des) – nbs selection process, ended 1976
- ripe – division of the race project sponsored by the european union, ended mid-1980s
- advanced encryption standard (aes) – a "break-off" competition sponsored by nist, ended in 2001
- nessie project – an evaluation/selection program sponsored by the european union, ended in 2002
- estream– program funded by ecrypt; motivated by the failure of all of the stream ciphers submitted to nessie, ended in 2008
- cryptrec – evaluation/recommendation program sponsored by the japanese government; draft recommendations published 2003
- cryptool – an e-learning freeware programme in english and german— exhaustive educational tool about cryptography and cryptanalysis
influential cryptographers
list of cryptographers
legal issues
academic and professional publications
Sablon:further
allied sciences
see also