[Resource Topic] 2017/938: On the security of the WOTS-PRF signature scheme

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Title:
On the security of the WOTS-PRF signature scheme

Authors: Philip Lafrance, Alfred Menezes

Abstract:

We identify a flaw in the security proof and a flaw in the concrete security analysis of the WOTS-PRF variant of the Winternitz one-time signature scheme, and discuss the implications to its concrete security.

ePrint: https://eprint.iacr.org/2017/938

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