Title
Partial Key Exposure Attacks on Takagi's Variant of RSA.
Abstract
We present several attacks on a variant of RSA due to Takagi when different parts of the private exponent are known to an attacker. We consider three cases when the exposed bits are the most significant bits, the least significant bits and the middle bits of the private exponent respectively. Our approaches are based on Coppersmith's method for finding small roots of modular polynomial equations. Our results extend the results of partial key exposure attacks on RSA of Ernst, Jochemsz, May and Weger (EUROCRYPT 2005) for moduli from N = pq to N = p(r)q (r >= 2).
Year
DOI
Venue
2014
10.1007/978-3-319-07536-5_9
Lecture Notes in Computer Science
Keywords
Field
DocType
RSA,partial key exposure,Coppersmith's method,lattice reduction,LLL algorithm
Exponent,Polynomial,Computer security,Computer science,Moduli,Modular design,Coppersmith,Lattice reduction
Conference
Volume
ISSN
Citations 
8479
0302-9743
4
PageRank 
References 
Authors
0.41
16
5
Name
Order
Citations
PageRank
Zhangjie Huang1194.02
Lei Hu269786.91
Jun Xu383.51
Liqiang Peng4388.37
Yonghong Xie512214.43