Stream ciphers, where plaintext bits are combined with a cipher bit stream by an exclusive-or operation (xor), can be very secure if used properly.[citation...

stream cipher is a symmetric key cipher where plaintext digits are combined with a pseudorandom cipher digit stream (keystream). In a stream cipher,...

are experts who found that the Turing stream cipher has a number of weaknesses when faced with chosen IV attacks. For instance, its key scheduling algorithm...

cryptography, WAKE is a stream cipher designed by David Wheeler in 1993. WAKE stands for Word Auto Key Encryption. The cipher works in cipher feedback mode, generating...

SHrinking) stream cipher is a fast software based stream cipher using Lagged Fibonacci generators, plus a concept from the shrinking generator cipher. It was...

The Pike stream cipher was invented by Ross Anderson to be a "leaner and meaner" version of FISH after he broke FISH in 1994. Its name is supposed to...

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

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

is a synchronous stream cipher algorithm submitted to the eSTREAM Project of the eCRYPT network. In the final specification the cipher is called ACHTERBAHN-128/80...

that do not require padding because they effectively use a block cipher as a stream cipher. Historically, encryption modes have been studied extensively...

In cryptography, the QUAD cipher is a stream cipher which was designed with provable security arguments in mind. QUAD relies on the iteration of a randomly...

In cryptography, RC4 (Rivest Cipher 4, also known as ARC4 or ARCFOUR, meaning Alleged RC4, see below) is a stream cipher. While it is remarkable for its...

count) is a cryptographically secure pseudorandom number generator and a stream cipher designed by Robert J. Jenkins Jr. in 1993. The reference implementation...

Rabbit is a high-speed stream cipher from 2003. The algorithm and source code was released in 2008 as public domain software. Rabbit was first presented...

Attacks against the Helix Stream Cipher" "eSTREAM Short Report on the End of the Second Phase" "Differential-Linear Attacks against the Stream Cipher...

2006-10-11. Retrieved 26 January 2015. "A new distinguish attack against ABC stream cipher". IEEE Xplore. May 7, 2007. Retrieved June 12, 2025. v t e...

Shamir attack is a stream cipher attack on the widely used RC4 stream cipher. The attack allows an attacker to recover the key in an RC4 encrypted stream from...

is a block mode that makes a block cipher produce a keystream and thus turns the block cipher into a stream cipher. In this simple example we use the...

symmetric-key ciphers typically involves looking for attacks against the block ciphers or stream ciphers that are more efficient than any attack that could...

Py is a stream cipher submitted to eSTREAM by Eli Biham and Jennifer Seberry. It is one of the fastest eSTREAM candidates at around 2.6 cycles per byte...

In cryptography, SEAL (Software-Optimized Encryption Algorithm) is a stream cipher optimised for machines with a 32-bit word size and plenty of RAM with...

Crypto1 is a proprietary encryption algorithm (stream cipher) and authentication protocol created by NXP Semiconductors for its MIFARE Classic RFID contactless...

cryptography, a related-key attack is any form of cryptanalysis where the attacker can observe the operation of a cipher under several different keys...

LEVIATHAN is a stream cipher submitted to NESSIE by Scott Fluhrer and David McGrew. It is a seekable stream cipher, which means that the user may efficiently...

000". Stream ciphers, such as RC4, are vulnerable to a bit-flipping attack, as are some block cipher modes of operation. See stream cipher attack. A keyed...

Grain is a stream cipher submitted to eSTREAM in 2004 by Martin Hell, Thomas Johansson and Willi Meier. It has been selected for the final eSTREAM portfolio...

engineering (most often by telephone or email). Stream cipher attacks – Methods to break a stream cipher Protocol spoofing – Benign simulation of a protocol...

integral attacks, slide attacks, boomerang attacks, the XSL attack, impossible differential cryptanalysis, and algebraic attacks. For a new block cipher design...

KEYstream generator (MICKEY) is a stream cipher algorithm developed by Steve Babbage and Matthew Dodd. The cipher is designed to be used in hardware...

algebraic equations used in the attack. Other cryptographic results of Courtois include algebraic attacks on stream ciphers, attacks on the KeeLoq and Hitag 2...