Welcome to the resource topic for 2009/168
Title:
A Second Pre-image Attack Against Elliptic Curve Only Hash (ECOH)
Authors: Michael A. Halcrow, Niels Ferguson
Abstract:We present a second pre-image attack on ECOH. Our attack requires 2^{143} time for ECOH-224 and ECOH-256, 2^{206} time for ECOH-384, and 2^{287} time for ECOH-512. The attack sets the checksum block to a fixed value and uses a collision search on the elliptic curve points.
ePrint: https://eprint.iacr.org/2009/168
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