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Sanitizable Signatures Giuseppe Ateniese1
 

Summary: Sanitizable Signatures
Giuseppe Ateniese1
, Daniel H. Chou1
, Breno de Medeiros2
, and Gene Tsudik3
1
Johns Hopkins Univ.; Dept. of Comp. Sci.; 3400 N. Charles Street; Baltimore, MD
21218, USA. ateniese@cs.jhu.edu, dchou@cs.jhu.edu
2
Florida State Univ.; Dept. of Comp. Sci.; Tallahassee, FL 32306, USA.
breno@cs.fsu.edu
3
Univ. of California; D. Bren Sch. of Inform. and Comp. Sci.; Dept. of Comp. Sci.;
Irvine, CA 92697, USA. gts@ics.uci.edu
Abstract. We introduce the notion of sanitizable signatures that offer
many attractive security features for certain current and emerging appli-
cations. A sanitizable signature allows authorized semi-trusted censors to
modify in a limited and controlled fashion parts of a signed message
without interacting with the original signer. We present constructions for
this new primitive, based on standard signature schemes and secure un-

  

Source: Ateniese, Giuseppe - Department of Computer Science, Johns Hopkins University

 

Collections: Computer Technologies and Information Sciences