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10

IACR
2016

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New Lattice Attacks on DSA Schemes

8 years 17 days ago

New Lattice Attacks on DSA Schemes

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We prove that a system of linear congruences of a particular form has at most a unique solution below a certain bound which can be computed eﬃciently. Using this result we develop attacks against the DSA schemes which, under some assumptions, can provide the secret key in the case where one or several signed messages are available. MSC 2010: 94A60, 11T71, 11Y16.

Dimitrios Poulakis

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Added	03 Apr 2016
Updated	03 Apr 2016
Type	Journal
Year	2016
Where	IACR
Authors	Dimitrios Poulakis

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