David Naccache, David Pointcheval, and Christophe Tymen. Monotone signatures. In P. Syverson, editor, Financial Cryptography, volume 2339 of Lecture Notes in Computer Science, pages 305-318. Springer-Verlag, 2001.  Home/Search Document Not in Database Summary Related Articles Check |
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Cryptographic Tamper Evidence - Itkis (2003) (2 citations) (Correct)
.... In such cases, the coerced signer may use some kind of subliminal communication embedded in the signature to inform the authorities that the signature and or secret keys were extracted from the signer under duress (see, e.g. HJJY00] Another approach proposes monotone signature schemes [NPT01] which allow the veri cation algorithm to be updated after an attack. Namely, under duress the signer can reveal some (but not all ) of his secrets to the adversary. These secrets enable the adversary to generate signatures that are valid according to the current veri cation algorithm. ....
....ecient (but strongest) construction, except that we do not require the updates of the veri cation algorithm. In fact, our general lower bounds proof in Sec. 4 can be modi ed to yield the linear lower bounds for the length of the monotone signatures , thus proving optimality of the results of [NPT01] To the best of our knowledge no lower bounds for monotone signatures were shown previously. However, slightly modifying the de nition of the monotone signatures to allow key evolution allows exponential performance improvement (see Sec. 5) 1.2 Our contribution: Tamper Evidence In ....
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David Naccache, David Pointcheval, and Christophe Tymen. Monotone signatures. In P. Syverson, editor, Financial Cryptography, volume 2339 of Lecture Notes in Computer Science, pages 305-318. SpringerVerlag, 2001.
Generalized Key-Evolving Signature Schemes or How to Foil an.. - Itkis, Xie (2003) (Correct)
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David Naccache, David Pointcheval, and Christophe Tymen. Monotone signatures. In P. Syverson, editor, Financial Cryptography, volume 2339 of Lecture Notes in Computer Science, pages 305-318. Springer-Verlag, 2001.
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