Title :
Factorisation attack on certain server-aided computation protocols for the RSA secret transformation
Author :
Shimbo, A. ; Kawamura, S.
Author_Institution :
Toshiba Corp., Res. & Dev. Centre, Kawasaki, Japan
Abstract :
A factorisation attack on a server-aided secret computation protocol for the RSA secret transformation named RSA-S2 is presented. Countermeasures are also proposed. As a result, it is shown that checking the computational result is essential to counteract such active attacks.
Keywords :
automatic teller machines; cryptography; smart cards; RSA secret transformation; RSA-S2; countermeasures; factorisation attack; server-aided secret computation protocol;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19900891
