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seen Nov 11 '13 at 4:13

Oct
18
accepted Quadratic Residues in identification setting
Oct
15
comment Schnorr Identification Scheme under active adversary
Thanks. Do you know any reference for this type of an attack where the adversary interacts with the prover and verifier at the same time?
Oct
15
comment Schnorr Identification Scheme under active adversary
Say Eve is trying to pose as Alice to Bob. If Bob can detect that the messages he is receiving have been altered then Alice cannot prove her identity to Bob. But the point is that Eve is successfully able to identify herself as Alice to Bob if she can change the messages being exchanged. I am wondering how that's possible.
Oct
15
awarded  Student
Oct
14
asked Schnorr Identification Scheme under active adversary
Oct
11
comment Quadratic Residues in identification setting
Thanks for this. I have one more doubt. To an observer who simply watches the exchange described above, I think the scheme is zero knowledge. Am I correct? because whatever information Bob has(as described above), no observer can have that.
Oct
11
awarded  Scholar
Oct
11
asked Quadratic Residues in identification setting