Query compiler for secure multi-party computation.
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Infrastructure for defining and running large data workflows against multiple backends.


This framework allows users to define data analysis workflows in familiar frontend languages and then execute them on multiple data storage and processing backends (including privacy-preserving backend services that support secure multi-party computation).


Conclave requires a Python 3.x environment. On Ubuntu (14.04+), installing the python3, python3-pystache should get everything that's needed.


The library comes with a number of tests:



  • All workflows are written in such a way that each party inputs a relation, followed directly by a concat of all those relations. A special case is when there is a join.
  • All workflows are written so that there is exactly one output party that receives all outputs.
  • Each child of a concat has at most one child.