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About 2,311 papers for “Stream cipher”

Stream cipher...

Nathan Keller, Stephen D. Miller, Ilya Mironov · 2008

Cited by 0

Stream cipher...

Nathan Keller, Stephen D. Miller, Ilya Mironov · 2008

Cited by 0

Kalam10 Stream Cipher

Anitha Saravana Kumar, Rina Maria, Saravana Kumar Sukumar · SSRN Electronic Journal · 2017

Cited by 0Open access

Sosemanuk Stream Cipher

Pedro F. Albanese · Zenodo (CERN European Organization for Nuclear Research) · 2026

SOSEMANUK is a synchronous stream cipher, optimized for software implementation. It was one of the four finalists in Profile 1 (high software efficiency) of the eSTREAM project, alongside HC-128, Rabbit, and Salsa20/12.

Cited by 0Open access

Stream cipher cryptanalysis

Anne Canteaut · HAL (Le Centre pour la Communication Scientifique Directe) · 2013

International audience

Cited by 0

Stream Cipher Criteria

Erik Zenner · 2008

Abstract. The eStream project has given us a number of insights into design criteria for stream ciphers. Some of them were disputed, on others everyone seemed to agree. In this paper, the author describes what he has learned and what he considers as possible consequences for stream cipher design. The paper does not contain any groundbreaking new results; it is merely meant as a collection of ideas and an incentive for further discussion. 1 Preliminary remarks 1.1 Stream ciphers are resource-saving technology On several occasions, the question was asked why the development of a (dedicated) stream cipher is necessary. After all, there exists a cryptographic standard AES whose security has been thoroughly scrutinized and that is sufficiently efficient both in hardware and software on most platforms. Using simple modes of operations, AES itself can be turned into a stream cipher. So why develop a dedicated stream cipher at all?

Cited by 0

Sosemanuk Stream Cipher

Pedro F. Albanese · Zenodo (CERN European Organization for Nuclear Research) · 2026

SOSEMANUK is a synchronous stream cipher, optimized for software implementation. It was one of the four finalists in Profile 1 (high software efficiency) of the eSTREAM project, alongside HC-128, Rabbit, and Salsa20/12.

Cited by 0Open access

2. Block Cipher and Stream Cipher

Abdel-karim Al Tamimi · 2008

The two main characteristics that identify and differentiate one encryption algorithm from another are its ability to secure the protected data against attacks and its speed and efficiency in doing so. This paper provides a performance comparison between four of the most common encryption algorithms: DES, 3DES, Blowfish and AES (Rijndael). The comparison has been conducted by running several encryption settings to process different sizes of data blocks to evaluate the algorithm's encryption/decryption speed. Simulation has

Cited by 0

RSA Cryptosystem: Block Cipher or Stream Cipher

Jesse Zaman, Sahar Ali Laskar · 2023

In the communication system, it is an important and essential concept that secret information must be kept secured. Cryptography is a branch of study that deals with message security. A public key cryptosystem RSA is an important mile stone in the field of message communication networks. In today’s modern computerized era where most of the messages are communicated through the internet, it is evident that messages are not in limited access between the sender and the receiver only. Third party, that is, any unauthorized person also may get access to the message communicated through any hostile communication channels like internet, telephone line etc. During the last five decades various types of cryptographic algorithms have emerged to protect the message from intruder. A new concept of public key cryptosystem was introduced by W. Diffie and M. E. Hellman in their revolutionary article. Following this concept, three eminent researchers at MIT Laboratory for Computer Science, Cambridge have designed the RSA algorithm which is the first public key cryptosystem. In this paper, a brief review on the RSA cryptosystem is presented.

Cited by 1

Sosemanuk, a fast software-oriented stream cipher. eSTREAM, ECRYPT Stream Cipher

C. Berbain, O. Billet, A. Canteaut et al. · 2005

Abstract. Sosemanuk is a new synchronous software-oriented stream cipher, corresponding to Profile 1 of the ECRYPT call for stream cipher primitives. Its key length is variable between 128 and 256 bits. It accommodates a 128-bit initial value. Any key length is claimed to achieve 128-bit security. The Sosemanuk cipher uses both some basic design principles from the stream cipher SNOW 2.0 and some transformations derived from the block cipher SERPENT. Sosemanuk aims at improving SNOW 2.0 both from the security and from the efficiency points of view. Most notably, it uses a faster IV-setup procedure. It also requires a reduced amount of static data, yielding better performance on several architectures. 1

Cited by 0

Grain - A Stream Cipher for Constrained Environments. eSTREAM, ECRYPT Stream Cipher

Martin Hell, Thomas Johansson, Willi Meier · 2005

Abstract. A new stream cipher, Grain, is proposed. The design targets hardware environments where gate count, power consumption and memory is very limited. It is based on two shift registers and a nonlinear filter function. The cipher has the additional feature that the speed can be increased at the expense of extra hardware. The key size is 80 bits and no attack faster than exhaustive key search has been identified. The hardware complexity and throughput compares favourably to other hardware oriented stream ciphers like E0 and A5/1. 1

Cited by 0

The stream cipher RC4

Michal Hojsík · Digital Repository (National Repository of Grey Literature) · 2006

In the present work we study a class of generalised inner states of the cipher RC4, the so-called persistent states. The RC4 stream cipher is the most widely used software-based stream cipher and the existence of such a state would be a significant weakness of the cipher. We describe the Tabular model and using the model we prove the periodicity of these states. Then we study a new type of relationship between the tabular model and the equivalences on linearly ordered sets and we prove the regularity of the matrix determined by such an equivalence. Afterwards we apply the obtained result to the theory of persistent states and we prove that there exists no reachable persistent k-state for k equal to 2, 3, 4 in the specific case. Moreover, we present some new unreachable persistent states. Finally, we indicate the cryptanalytical significance of the persistent states.

Cited by 0

Blostream Hybrid Stream Cipher

Ali H. Kashmar · 2018

Blostream Hybrid Stream Cipher This is a clear, concise on cryptography algorithm design and analysis, introducing the principles and techniques of cryptography. it is the first edition of a popular text, featuring new chapters on adversary arguments and selection, dynamic programming, and parallel algorithms. Highlights all algorithms are written in a modern language, using features of Matlab and Java. it emphasizes the importance of the algorithm analysis process , testing random number generator for key stream using NIST package ABOUT THE AUTHOR Dr Ali H. Kashmar is lecturer of computer science in Mathematical sciences Department at Baghdad University, Iraq.His area cryptography design and analysis. He received a Ph.D. from UKM, Malaysia. He also the author of cryptography, Mathematical analysis, and data security articles.

Cited by 0

The FBG Stream Cipher

Said E. El‐Khamy, Mona Lotfy, Adel Hamdi Ali · 2007

In this paper we propose a new synchronous stream cipher; the FBG stream cipher. This cipher is based on FBG (fuzzy bit generator) PN bit generator. The FBG cipher has been designed to produce keystream with guaranteed randomness properties; i.e. passing all the 16 tests of the NIST statistical test suite. Also, it gave very good results when tested using the ENT randomness test program. In addition, it has good correlation properties. The FBG stream cipher is on the form of a non-linear feedback shift register.

Cited by 3

The Rabbit Stream Cipher

Martin Boesgaard, Mette Vesterager, Erik Zenner · Lecture notes in computer science · 2008

Cited by 41