Chaotic Encryption for 10-Gb Ethernet Optical Links

Pérez-Resa, A.; García-Bosque, M.; Sánchez-Azqueta, Carlos; Celma, S.

doi:10.1109/tcsi.2018.2867918

Cited by 12 publications

(9 citation statements)

References 26 publications

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“…Because the STM algorithm has a division operation that can be costly to implement in hardware but the divisors are constant for each seed, a common approach used in several works (including this one) consists of pre-calculating the divisors (1/γ and 1/(1 − γ)) and using multiplications instead [24,25]. A block diagram of the STM can be seen in Figure 2.…”

Section: Skew Tent Mapmentioning

confidence: 99%

“…Note that, although the possibility of combining an STM with an LFSR was advanced in [23,25], in this work the encryption algorithm was optimized using 8 bits of the LFSR after each iteration step, achieving better statistical properties while obtaining higher encryption speeds, as will be shown in the next sections. Furthermore, this paper presents an ASIC implementation of the system as well as experimental results and a comprehensive cryptanalysis.…”

Section: Encryption Algorithmmentioning

confidence: 99%

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A 1 Gbps Chaos-Based Stream Cipher Implemented in 0.18 μm CMOS Technology

et al. 2019

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In this work, a novel chaos-based stream cipher based on a skew tent map is proposed and implemented in a 0.18 μm CMOS (Complementary Metal-Oxide-Semiconductor) technology. The proposed ciphering algorithm uses a linear feedback shift register that perturbs the orbits generated by the skew tent map after each iteration. This way, the randomness of the generated sequences is considerably improved. The implemented stream cipher was capable of achieving encryption speeds of 1 Gbps by using an approximate area of ~ 20 , 000 2-NAND equivalent gates, with a power consumption of 24.1 mW. To test the security of the proposed cipher, the generated keystreams were subjected to National Institute of Standards and Technology (NIST) randomness tests, proving that they were undistinguishable from truly random sequences. Finally, other security aspects such as the key sensitivity, key space size, and security against reconstruction attacks were studied, proving that the stream cipher is secure.

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Section: Skew Tent Mapmentioning

confidence: 99%

Section: Encryption Algorithmmentioning

confidence: 99%

A 1 Gbps Chaos-Based Stream Cipher Implemented in 0.18 μm CMOS Technology

et al. 2019

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“…Regarding the physical layer security in these standards, a new mechanism was proposed in [18]. The encryption solution consisted of a symmetric chaotic stream cipher, suitable for the encryption of 64b/66b blocks.…”

Section: Introductionmentioning

confidence: 99%

“…Indeed a stream cipher application can be implemented easily thanks to a secure block cipher such as AES working in CTR mode, considered secure thanks to its formal security proof [20]. Furthermore, in [18] the implemented stream cipher is based on a chaotic structure whose cryptanalysis could be not clear enough and it is mainly based on its randomness analysis.…”

Section: Introductionmentioning

confidence: 99%

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Self-Synchronized Encryption for Physical Layer in 10Gbps Optical Links

Pérez-Resa

García-Bosque

Sánchez-Azqueta

et al. 2019

IEEE Trans. Comput.

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in this work a new self-synchronized encryption method for 10 Gigabit optical links is proposed and developed. Necessary modifications to introduce this kind of encryption in physical layers based on 64b/66b encoding, such as 10GBase-R, have been considered. The proposed scheme encrypts directly the 64b/66b blocks by using a symmetric stream cipher based on an FPE (Format Preserving Encryption) block cipher operating in PSCFB (Pipelined Statistical Cipher Feedback) mode. One of the main novelties in this paper is the security analysis done for this mode. For the first time, an expression for the IND-CPA (Indistinguishability under Chosen-Plaintext Attack) advantage of any adversary over this scheme has been derived. Moreover, it has been concluded that this mode can be considered secure in the same way of traditional modes are. In addition, the overall system has been simulated and implemented in an FPGA (Field Programmable Gate Array). An encrypted optical link has been tested with Ethernet data frames, concluding that it is possible to cipher traffic at this level, getting maximum throughput and hiding traffic pattern from passive eavesdroppers.

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Dynamical analysis of a new chaotic system: asymmetric multistability, offset boosting control and circuit realization

Mou

et al. 2021

Nonlinear Dyn

110

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Chaotic Encryption for 10-Gb Ethernet Optical Links

Cited by 12 publications

References 26 publications

A 1 Gbps Chaos-Based Stream Cipher Implemented in 0.18 μm CMOS Technology

A 1 Gbps Chaos-Based Stream Cipher Implemented in 0.18 μm CMOS Technology

Self-Synchronized Encryption for Physical Layer in 10Gbps Optical Links

Dynamical analysis of a new chaotic system: asymmetric multistability, offset boosting control and circuit realization

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