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A Second Pre-image Attack Against Elliptic Curve Only Hash（ECOH）
Second Pre-image Attack Elliptic Curve Only Hash ECOH
2009/6/12
We present a second pre-image attack on ECOH. Our attack requires 2143
time for ECOH-224 and ECOH-256, 2206 time for ECOH-384, and 2287 time
for ECOH-512. The attack sets the checksum block to a fix...