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Stream Cipher

Vectorization  of  ChaCha  Stream  Cipher

Vectorization of ChaCha Stream Cipher

... Abstract. This paper describes software optimization for the stream Cipher ChaCha. We leverage the wide vectorization capabilities of the new AVX2 ar- chitecture, to speed up ChaCha encryption (and ...

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Morpheus: stream cipher for software & hardware applications

Morpheus: stream cipher for software & hardware applications

... In a world where electronic devices with different characteristics are networked, privacy is an essential element for the communicating process. Privacy can be achieved by encryption algorithms with unique features based ...

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Quavium - A New Stream Cipher Inspired by Trivium

Quavium - A New Stream Cipher Inspired by Trivium

... a stream cipher with three Trivium-like shift registers in series ...new stream cipher - Quavium. Quavium is a stream cipher with four Trivium-like shift registers in coupling ...

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ZUC STREAM CIPHER USING FEEDBACK CARRY SHIFT REGISTER

ZUC STREAM CIPHER USING FEEDBACK CARRY SHIFT REGISTER

... ZUC is a word-oriented stream cipher [2] that takes a 128-bit Key and a 128-bit Initial Vector (IV) as input, and outputs a key stream of 32-bit words. ZUC has three logical layers. The top layer is ...

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Cube Attacks on the Stream Cipher Grain v1

Cube Attacks on the Stream Cipher Grain v1

... The stream cipher Grain-v1 was proposed by Hell, Johansson, Maximov, and Meier0 , Christophe De Cannière, Ozgül Kücük and Bart Preneel analyzed the initialization algorithm of Grain, showed that a sliding ...

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A  NEW  GUESS-AND-DETERMINE  ATTACK  ON  THE  A5/1  STREAM  CIPHER

A NEW GUESS-AND-DETERMINE ATTACK ON THE A5/1 STREAM CIPHER

... exhaustive search. The average number of rounds necessary to obtain the correct key from the set of complete state candidates is 15.5. With every round of clocking after 11 rounds, the number of complete state candidates ...

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Some  Security  Results  of  the  RC4+  Stream  Cipher

Some Security Results of the RC4+ Stream Cipher

... the cipher if odd pads are used as the design parameter other than the pad 0xAA used in the original cipher proposed in ...the cipher is still vulnerable to distinguishing attacks if the pads are ...

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RC4 STREAM CIPHER DESIGN FOR DATA SECURITY

RC4 STREAM CIPHER DESIGN FOR DATA SECURITY

... This stream cipher was invented in 1987 by one of the originator of the RSA public key cryptography algorithm and establisher of RSA security ...RC4 CIPHER is officially named "Rivest ...

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Design and Characteristics of LIZARD Stream Cipher IP Core

Design and Characteristics of LIZARD Stream Cipher IP Core

... available stream ciphers like E0[11], A5/1[8], Trivium[12] and Grain[16] to 1/2 n, where n represents the inner state length of the underlying keystream ...oriented stream cipher for power ...

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Fast  Near  Collision  Attack  on  the  Grain  v1  Stream  Cipher

Fast Near Collision Attack on the Grain v1 Stream Cipher

... RC4 stream cipher is adopted by discarding the first 8192 output bytes as the main random ...the cipher forwards from this random state and generate the cor- responding ...

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A Novel Stream Cipher on Feed forward Model

A Novel Stream Cipher on Feed forward Model

... in stream cipher ...synchronous stream cipher generator is designed in cryptography, it is always divided into two parts, the driving part and the nonlinear combination part ...

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Retina Random Number Generator for Stream Cipher Cryptography

Retina Random Number Generator for Stream Cipher Cryptography

... protocols. Stream ciphers are fast cryptographic primitives to provide confidentiality of electronically transmitted ...the stream cipher security completely bases on the key ...stream. ...

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Espresso:  A  Stream  Cipher  for 5G  Wireless  Communication  Systems

Espresso: A Stream Cipher for 5G Wireless Communication Systems

... in stream ciphers’ security has been tapered by many broken ...popular stream ciphers A5/1 and A5/2 used in the Global System for Mobile communications (GSM) standard and E0 used in Bluetooth have been ...

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FPGA IMPLEMENTATION OF RC4 STREAM CIPHER CRYPTOGRAPHY ALGORITHM

FPGA IMPLEMENTATION OF RC4 STREAM CIPHER CRYPTOGRAPHY ALGORITHM

... It works in Output Feedback (OFB) mode [II] of operation. There are two 256-byte arrays, S- Box and K-Box. The S-array is filled linearly, such as S0=0, Sl=l, S2=2, .... S255=255. The K-array consists of the key, ...

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A  Probabilistic  Algebraic  Attack  on  the  Grain  Family  of  Stream  Cipher

A Probabilistic Algebraic Attack on the Grain Family of Stream Cipher

... corresponding cipher-text ...the cipher-text bits to get the corresponding key- stream ...based stream cipher algebraic attack can be implemented efficiently due to the linearity of the ...

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Comparison analysis of stream cipher algorithms for digital communication

Comparison analysis of stream cipher algorithms for digital communication

... various stream cipher algorithms such as Linear Generator, Improved Geffe, Summation Register (2 and 3 Registers), Shrinking, Multiplexing and Variable - Memory Binary Generator (Memory ...

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Efficient Implementation for QUAD Stream Cipher with GPUs

Efficient Implementation for QUAD Stream Cipher with GPUs

... QUAD stream cipher uses multivariate polynomial ...other stream ciphers, and an efficient implementation, which has a reduced computa- tional cost, is ...

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PRNG based Symmetric Stream Cipher

PRNG based Symmetric Stream Cipher

... Motivation of this work is to find a simple but robust symmetric stream cipher algorithm using a PRNG or a PRBG. Implementation of this proposed algorithm is very easy and assumed that it would be used in ...

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Security  Evaluation  of  Rakaposhi  Stream  Cipher

Security Evaluation of Rakaposhi Stream Cipher

... There are many tools for analysis of stream ciphers. The most two prominent are the linear and differential attacks. There are also many more “exotic” tools for analysis. One such tool is the related key attack. ...

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SEGMENTATION AND ENCRYPTION OF SATELLITE IMAGES USING STREAM CIPHER ALGORITHM

SEGMENTATION AND ENCRYPTION OF SATELLITE IMAGES USING STREAM CIPHER ALGORITHM

... named cipher text. the method of reconverting cipher text to its original plaintext is named ...block cipher formula is employed and in this paper, the encoding formula employed in this project is ...

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