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All reports by Author Johannes Merkle:

TR97-027 | 29th April 1997
Johannes Merkle, Ralph Werchner

On the Security of Server aided RSA protocols

Revisions: 1

In this paper we investigate the security of the server aided
RSA protocols RSA-S1 and RSA-S1M proposed by Matsumoto, Kato and Imai
resp. Matsumoto, Imai, Laih and Yen. We prove lower bounds for the
complexity of attacks on these protocols and show that the bounds are
sharp by describing attacks ... more >>>

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