Snefru

Snefru is a cryptographic hash function invented by Ralph Merkle in 1990 while working at

The function supports 128-bit and 256-bit output. It was named after the Egyptian Pharaoh Sneferu, continuing the tradition of the Khufu and Khafre block ciphers.

The original design of Snefru was shown to be insecure by

(a certificational weakness), the attack requires ${\displaystyle 2^{88.5}}$ operations and is thus not currently feasible in practice.^[2]

References

External links

• Snefru-n on Ecrypt
• RHash on SourceForge, an open source command-line tool, which can calculate and verify Snefru-128 and Snefru-256

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