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1994 | OriginalPaper | Buchkapitel

On Schnorr’s Preprocessing for Digital Signature Schemes

verfasst von : Peter de Rooij

Erschienen in: Advances in Cryptology — EUROCRYPT ’93

Verlag: Springer Berlin Heidelberg

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Schnorr’s preprocessing algorithms [6, 7] are designed to speed up the ‘random’ exponentiation often performed by the prover/signer in identification and signature schemes.In this paper, an attack on these preprocessing algorithms is presented. For the proposed parameters, the attack requires about 231 steps, and 700 identifications or signatures to retrieve the secret key. Here the underlying scheme may be Schnorr, Brickell-McCurley, ElGamal or DSS.

Metadaten
Titel
On Schnorr’s Preprocessing for Digital Signature Schemes
verfasst von
Peter de Rooij
Copyright-Jahr
1994
Verlag
Springer Berlin Heidelberg
DOI
https://doi.org/10.1007/3-540-48285-7_37

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