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SHA-1 Collision Found

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Full article91 words · extracted from schneier.com · click to collapse

The first collision in the SHA-1 hash function has been found.

This is not a surprise. We’ve all expected this for over a decade, watching computing power increase. This is why NIST standardized SHA-3 in 2012.

EDITED TO ADD (2/24): Website for the collision. (Yes, this brute-force example has its own website.)

EDITED TO ADD (3/7): This 2012 cost estimate was pretty accurate.

Tags: cryptanalysis, cryptography, hashes, SHA-1

Posted on February 23, 2017 at 3:29 PM32 Comments

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