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RT @dukeleto@twitter.com

Big news! This paper means SHA1 is now fully "broken", showing a chosen-prefix collision is possible in at most 2^69.4 complexity. Do not use SHA1 for anything!
eprint.iacr.org/2019/459.pdf
They estimate <= $7M USD to generate a collision via EC2 servers! 🀯

πŸ¦πŸ”—: twitter.com/dukeleto/status/11

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