Varying feedback shift registers
EUROCRYPT '89 Proceedings of the workshop on the theory and application of cryptographic techniques on Advances in cryptology
ACM Transactions on Modeling and Computer Simulation (TOMACS)
New types of cryptanalytic attacks using related keys
EUROCRYPT '93 Workshop on the theory and application of cryptographic techniques on Advances in cryptology
Mersenne twister: a 623-dimensionally equidistributed uniform pseudo-random number generator
ACM Transactions on Modeling and Computer Simulation (TOMACS) - Special issue on uniform random number generation
Generalized Feedback Shift Register Pseudorandom Number Algorithm
Journal of the ACM (JACM)
Fast Software Encryption, Cambridge Security Workshop
On the xorshift random number generators
ACM Transactions on Modeling and Computer Simulation (TOMACS)
Breaking the F-FCSR-H Stream Cipher in Real Time
ASIACRYPT '08 Proceedings of the 14th International Conference on the Theory and Application of Cryptology and Information Security: Advances in Cryptology
An Efficient State Recovery Attack on X-FCSR-256
Fast Software Encryption
Selected Areas in Cryptography
X-FCSR: a new software oriented stream cipher based upon FCSRs
INDOCRYPT'07 Proceedings of the cryptology 8th international conference on Progress in cryptology
Stream ciphers using a random update function: study of the entropy of the inner state
AFRICACRYPT'08 Proceedings of the Cryptology in Africa 1st international conference on Progress in cryptology
F-FCSR: design of a new class of stream ciphers
FSE'05 Proceedings of the 12th international conference on Fast Software Encryption
Related-key rectangle attacks on reduced versions of SHACAL-1 and AES-192
FSE'05 Proceedings of the 12th international conference on Fast Software Encryption
Pseudorandom permutation families over abelian groups
FSE'06 Proceedings of the 13th international conference on Fast Software Encryption
Periodicity and distribution properties of combined FCSR sequences
SETA'06 Proceedings of the 4th international conference on Sequences and Their Applications
Arithmetic crosscorrelations of feedback with carry shift register sequences
IEEE Transactions on Information Theory
Fibonacci and Galois representations of feedback-with-carry shift registers
IEEE Transactions on Information Theory
IEEE Transactions on Information Theory
The Multiple-Recursive Matrix Method for Pseudorandom Number Generation
Finite Fields and Their Applications
On the security of IV dependent stream ciphers
FSE'07 Proceedings of the 14th international conference on Fast Software Encryption
A matrix approach for FCSR automata
Cryptography and Communications
Energy-Efficient cryptographic engineering paradigm
iNetSec'11 Proceedings of the 2011 IFIP WG 11.4 international conference on Open Problems in Network Security
The GLUON family: a lightweight hash function family based on FCSRs
AFRICACRYPT'12 Proceedings of the 5th international conference on Cryptology in Africa
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Feedback with Carry Shift Registers (FCSRs) are a promising alternative to LFSRs for the design of stream ciphers. Most of the FCSR-based stream ciphers use a Galois representation. In this case, the control of a single bit leads to the control of the feedback values. This particular property was exploited to break most of the existing proposals. Recently, a new representation for FCSR automata was presented. This representation is a generalization of both Galois and Fibonacci representations. In this representation any cell can be used for a feedback for any other cell. With a good choice for the parameters, those new FCSR automatas are resistant to the previous attacks and the internal diffusion is significantly improved. Using this approach, a new hardware oriented version of F-FCSR has been recently proposed.In this paper, we propose a new design for FCSRs suitable for software applications. Using this approach, we present a new version of X-FCSR-128 suitable for software applications which is really efficient in software.