IIRC BitTorrent still uses SHA-1, which is becoming more problematic. | Hacker News

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		pabs3 6 days ago \| parent \| context \| favorite \| on: Azure hit by 15 Tbps DDoS attack using 500k IP add... IIRC BitTorrent still uses SHA-1, which is becoming more problematic.

vhcr 6 days ago [–]

BitTorrent v2 uses SHA-256, but in any case SHA-1 is still second-preimage resistant. And the BitTorrent piece hashes are included in the .torrent file, so you would need to find a double collision.

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