Key Agreement and Authentication Schemes Using Non-Commutative Semigroups

Details Key Agreement and Authentication Schemes Using Non-Commutative Semigroups Key Agreement and Authentication Schemes Using Non-Commutative Semigroups

2007-08-17

arxiv.org/abs/0708.2395v2

Computer Science

Cryptography and Security

Scientific paper

We give a new two-pass authentication scheme, whichis a generalisation of an
authentication scheme of Sibert-Dehornoy-Girault based on the Diffie-Hellman
conjugacy problem. Compared to the above scheme, for some parameters it is more
efficient with respect to multiplications. We sketch a proof that our
authentication scheme is secure. We give a new key agreement protocols.

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