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nix/doc/manual/rl-next/multiple-signatures.md
Jörg Thalheim 5ca242018d doc/rl-next: add multiple-signatures
2025-05-14 23:16:59 +02:00

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synopsis issues prs
Multiple signatures support in store urls
12976

Added support for a secretKeyFiles URI parameter in Nix store URIs, allowing multiple signing key files to be specified as a comma-separated list. This enables signing paths with multiple keys. This helps with RFC #149 to enable binary cache key rotation in the NixOS infra.

Example usage:

nix copy --to "file:///tmp/store?secret-keys=/tmp/key1,/tmp/key2" \
  "$(nix build --print-out-paths nixpkgs#hello)"