5min chapter

Security Cryptography Whatever cover image

Messaging Layer Security (MLS) with Raphael Robert

Security Cryptography Whatever

CHAPTER

Breaking Associativity and Commutativity in MLS

Cams are different primitives than Diffie-Hellman and it's what's being mandated by NIST for the competition of the post-quantum resistant primitives. Originally, there was something else before Trichem, called Art, asynchronous-raditing trees, which was completely Diffie- Hellman-based. But cams were a lot easier in that sense because they could have blank nodes,. like empty nodes in the binary tree, which made it easy to construct them when you boot strap a group.

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