Why it’s harder to forge a SHA-1 certificate than it is to find a SHA-1 collision
Dec 22, 2015Nick Sullivan

Summary
This post details the cryptographic implications of SHA-1 hash collisions and their potential to forge digital certificates, highlighting that while collisions are becoming feasible, forging a certificate requires more than just a collision. It emphasizes the importance of CA practices like including randomness in serial numbers to mitigate such attacks.
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