An NLFSR-Based Stream Cipher

Gammel, Berndt M.; Göttfert, Rainer; Kniffler, Oliver

doi:10.1109/iscas.2006.1693235

Cited by 38 publications

(22 citation statements)

References 5 publications

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“…800 − 22 test [13] results in Table II utilize 6,000,000 iterations of the native output from the 64-bit system and the corresponding truncated output. Each output bit is individually assessed for statistical properties.…”

Section: Resultsmentioning

confidence: 99%

On the short-term predictability of fully digital chaotic oscillators for pseudo-random number generation

Radwan

Mansingka

Zidan

et al. 2013

2013 IEEE 20th International Conference on Electronics, Circuits, and Systems (ICECS)

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Abstract-This paper presents a digital implementation of a 3rd order chaotic system using the Euler approximation. Shortterm predictability is studied in relation to system precision, Euler step size and attractor size and optimal parameters for maximum performance are derived. Defective bits from the native chaotic output are neglected and the remaining pass the NIST SP. 800-22 tests without post-processing. The resulting optimized pseudorandom number generator has throughput up to 17.60 Gbits/s for a 64-bit design experimentally verified on a Xilinx Virtex 4 FPGA with logic utilization less than 1.85%.

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Section: Resultsmentioning

confidence: 99%

On the short-term predictability of fully digital chaotic oscillators for pseudo-random number generation

Radwan

Mansingka

Zidan

et al. 2013

2013 IEEE 20th International Conference on Electronics, Circuits, and Systems (ICECS)

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“…3 shows a possible structural configuration scenario of the existing logical power in each CLB representing a micro non-linear state machine with 4-inputs and one output. Another simple basic structure with non-linear non-predictable mapping often used for stream cipher constructions [9] is also proposed. The nonlinear feedback shift register (NFSR) architecture can be deployed as a basic structure having non-singular behavior over GF(2) is shown in Fig.…”

Section: Concepts For Secret Hash Architecturesmentioning

confidence: 99%

Autonomous Physical Secret Functions and Clone-Resistant Identification

Adi

2009

2009 Symposium on Bio-Inspired Learning and Intelligent Systems for Security

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“…It makes possible to construct classes of shift registers which have structurally isomorphic state transition graphs and generate equivalent sets of output sequences. This is useful for optimizing the hardware performance of shift register-based stream ciphers [6][7][8][9][10] and hash functions [11]. We apply the presented transformation to Trivium [7] and show that it increases its keystream data rate by 27% without any penalty in area.…”

Section: Introductionmentioning

confidence: 99%

An Equivalence-Preserving Transformation of Shift Registers

Dubrova

2014

Sequences and Their Applications - SETA 2014

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Abstract. The Fibonacci-to-Galois transformation is useful for reducing the propagation delay of feedback shift register-based stream ciphers and hash functions. In this paper, we extend it to handle Galois-to-Galois case as well as feedforward connections. This makes possible transforming Trivium stream cipher and increasing its keystream data rate by 27% without any penalty in area. The presented transformation might open new possibilities for cryptanalysis of Trivium, since it induces a class of stream ciphers which generate the same set of keystreams as Trivium, but have a different structure.

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An NLFSR-Based Stream Cipher

Cited by 38 publications

References 5 publications

On the short-term predictability of fully digital chaotic oscillators for pseudo-random number generation

On the short-term predictability of fully digital chaotic oscillators for pseudo-random number generation

Autonomous Physical Secret Functions and Clone-Resistant Identification

An Equivalence-Preserving Transformation of Shift Registers

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