Thread (79 messages) 79 messages, 9 authors, 2025-07-14

Re: [PATCH 00/12] Signed BPF programs

From: Toke Høiland-Jørgensen <toke@kernel.org>
Date: 2025-06-09 08:20:50
Also in: bpf

Given that many use-cases (e.g. Cilium) generate trusted BPF programs,
trusted loaders are an inevitability and a requirement for signing support, a
entrusting loader programs will be a fundamental requirement for an security
policy.
So I've been following this discussion a bit on the sidelines, and have
a question related to this:

From your description a loader would have embedded hashes for a concrete
BPF program, which doesn't really work for dynamically generated
programs. So how would a "trusted loader" work for dynamically generated
programs?

-Toke
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