Browser-based hash-collision demo — verify real published MD5 and SHA-1 collision pairs (SHAttered, identical-prefix, chosen-prefix) live, see two different files share one digest, and contrast with collision-resistant SHA-256 and SHA-3. Real hashing. No backends. No simulated math.
cryptography cryptanalysis md5 sha1 sha256 sha3 hash-collision collision-resistance crypto-lab hash-function md5-collision shattered sha1-collision chosen-prefix-collision
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Updated
Aug 20, 2026