Implementation of PQC Algorithms in libgcrypt

Falko Strenzke falko.strenzke at
Wed Mar 29 10:09:23 CEST 2023

We would like to announce that in the course of a project for the German 
BSI, the details about which can be found here 
we have started an implementation of the three algorithms CRYSTALS-Kyber 
as a KEM and CRYSTALS-Dilithium and SPHINCS⁺ as signature algorithms in 

While the integration of the signature algorithms is straightforward, 
the KEM requires a new interface function, as the KEM encapsulation 
cannot be modelled by a public-key encryption.

We are currently working on Kyber and Dilithium with priority and will 
hopefully finish these by August '23. SPHINCS⁺ will be finished latest 
by March '24 according to our current plan.

As soon as we have a working implementation for one of the algorithms, 
we will offer a pull request for review.

Falko (on behalf of the MTG project team)


Dr. Falko Strenzke
Executive System Architect

Phone: +49 6151 8000 24
E-Mail: falko.strenzke at
Web: <>

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