Decisional Linear assumption
- Decisional Linear assumption
The Decisional Linear (DLIN) assumption is a mathematic assumption used in elliptic curve cryptography. In particular the DLIN assumption is often used in settings in which the Decisional Diffie-Hellman assumption does not hold, as is often the case in Pairing-based cryptography. The Decisional Linear assumption was introduced by Boneh, Boyen, and Shacham [Dan Boneh, Xavier Boyen, Hovav Shacham: Short Group Signatures. CRYPTO 2004: 41-55] .
Informally the DLIN assumption states that it is hard to decide whether a triple has the property that .
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