tf-encrypted / rfcs

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Hardening servers/workers

mortendahl opened this issue · comments

As part of getting closer to production-ready we need to address the issue of using TensorFlow servers that are not currently intended for malicious environments.

Proposal should address:

  • How we can obtain secure channels between MPC players (e.g. gRPC over TLS).

  • How each server can have control over what its executing (e.g. operations and graphs), preventing an adversary from e.g. telling it to execute a graph that sends all sensitive data.

  • What impact any changes will have on performance.


  1. Custom build of TensorFlow with required modifications.

  2. Custom daemon functioning as gRPC proxy for co-located TensorFlow server