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18 lines
1000 B
Markdown
18 lines
1000 B
Markdown
# Cosign binaries (runtime/signals signing)
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## Preferred (system)
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- Version: `v3.0.2`
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- Path: `/usr/local/bin/cosign` (installed on WSL Debian host)
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- Breaking change: v3 requires `--bundle <file>` when signing blobs; older `--output-signature`/`--output-certificate` pairs are deprecated.
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## Offline fallback (repo-pinned)
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- Version: `v2.6.0`
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- Binary: `tools/cosign/cosign` → `tools/cosign/v2.6.0/cosign-linux-amd64`
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- SHA256: `ea5c65f99425d6cfbb5c4b5de5dac035f14d09131c1a0ea7c7fc32eab39364f9`
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- Check: `cd tools/cosign/v2.6.0 && sha256sum -c cosign_checksums.txt --ignore-missing`
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## Usage examples
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- v3 DSSE blob: `cosign sign-blob --key cosign.key --predicate-type stella.ops/confidenceDecayConfig@v1 --bundle confidence_decay_config.sigstore.json decay/confidence_decay_config.yaml`
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- v3 verify: `cosign verify-blob --bundle confidence_decay_config.sigstore.json decay/confidence_decay_config.yaml`
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- To force offline fallback, export `PATH=./tools/cosign:$PATH` (ensures v2.6.0 is used).
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