Cryptology ePrint Archive: Report 2014/212

Remarks on the Pocklington and Padró-Sáez Cube Root Algorithm in $\mathbb F_q$

Geon Heo and Seokhwan Choi and Kwang Ho Lee and Namhun Koo and Soonhak Kwon

Abstract: We clarify and generalize a cube root algorithm in $\mathbb F_q$ proposed by Pocklington, and later rediscovered by Padró and Sáez. We correct some mistakes in the result of Padró and Sáez and give a full generalization of their result. We also give the comparison of the implementation of our proposed algorithm with two most popular cube root algorithms, namely the Adleman-Manders-Miller algorithm and the Cipolla-Lehmer algorithm. To the authors' knowledge, our comparison is the first one which compares three fundamental algorithms together.

Category / Keywords: foundations / cube root algorithm, finite field, Pocklington algorithm, Adleman-Manders-Miller algorithm, Cipolla-Lehmer algorithm

Date: received 23 Mar 2014, last revised 25 Mar 2014

Contact author: shkwon at skku edu

Available format(s): PDF | BibTeX Citation

Note: Some minor typos are corrected.

Version: 20140326:042538 (All versions of this report)

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