%0 Journal Article %A Gadiyar, Gopalakrishna Hejmadi %A Padma, Ramanathan %T The discrete logarithm problem over prime fields: the safe prime case. The Smart attack, non-canonical lifts and logarithmic derivatives %J Czechoslovak Mathematical Journal %D 2018 %P 1115-1124 %V 68 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.2018.0128-17/ %R 10.21136/CMJ.2018.0128-17 %G en %F 10_21136_CMJ_2018_0128_17