Compact Constant Weight Coding Engines for the Code-Based Cryptography

Jingwei Hu

doi:10.1109/TCSII.2017.2675449

Compact Constant Weight Coding Engines for the Code-Based Cryptography

2017-09-01

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DOI：10.1109/TCSII.2017.2675449

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We present here a more memory efficient method for encoding binary information into words of prescribed length and weight. Existing solutions either require complicated float point arithmetic or additional memory overhead, making it a challenge for resource constrained computing environment. The solution we propose here solves these problems yet obtains better coding efficiency by a memory efficient approximation of the critical intermediate value in constant weight coding. For the time being, the design presented in this brief is the most compact one for any code-based encryption schemes.

Keywords:

Code-based cryptography

McEliece/Niederreiter cryptosystem

constant weight coding

FPGA implementation

Compact Constant Weight Coding Engines for the Code-Based Cryptography

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