ZK-Crypt

In cryptography, ZK-Crypt is a stream cipher developed by Carmi Gressel, Ran Granot, and Gabi Vago and has been patented. It has been submitted to the eSTREAM Project of the eCRYPT network, but has been dropped in Phase II due to the lack of documentation and limited independent security analysis.

Stream ciphers

Widely used ciphers

RC4
Block ciphers in stream mode
ChaCha

eSTREAM Portfolio

Software	HC-256 Rabbit Salsa20 SOSEMANUK

Hardware	Grain MICKEY Trivium

Other ciphers

A5/1
A5/2
Achterbahn
E0
F-FCSR
FISH
ISAAC
MUGI
Panama
Phelix
Pike
Py
QUAD
Scream
SEAL
SNOW
SOBER
SOBER-128
VEST
VMPC
WAKE

Theory

Shift register
LFSR
NLFSR
Shrinking generator
T-function
IV

Attacks

Correlation attack
Correlation immunity

Cryptography

History of cryptography Cryptanalysis Outline of cryptography

Symmetric-key algorithm Block cipher Stream cipher Public-key cryptography Cryptographic hash function Message authentication code Random numbers Steganography

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