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Add TUF timestamp to attestation bundle #1316

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merged 1 commit into from
Jan 14, 2022
Merged

Add TUF timestamp to attestation bundle #1316

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11 changes: 11 additions & 0 deletions cmd/cosign/cli/attest/attest.go
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Original file line number Diff line number Diff line change
Expand Up @@ -35,6 +35,7 @@ import (
"github.com/sigstore/cosign/pkg/cosign/attestation"
cbundle "github.com/sigstore/cosign/pkg/cosign/bundle"
cremote "github.com/sigstore/cosign/pkg/cosign/remote"
"github.com/sigstore/cosign/pkg/cosign/tuf"
"github.com/sigstore/cosign/pkg/oci/mutate"
ociremote "github.com/sigstore/cosign/pkg/oci/remote"
"github.com/sigstore/cosign/pkg/oci/static"
Expand Down Expand Up @@ -159,6 +160,11 @@ func AttestCmd(ctx context.Context, ko sign.KeyOpts, regOpts options.RegistryOpt
opts := []static.Option{static.WithLayerMediaType(types.DssePayloadType)}
if sv.Cert != nil {
opts = append(opts, static.WithCertChain(sv.Cert, sv.Chain))
timestamp, err := tuf.GetTimestamp(ctx)
if err != nil {
return errors.Wrap(err, "reading tuf timestamp")
}
opts = append(opts, static.WithTimestamp(timestamp))
}

// Check whether we should be uploading to the transparency log
Expand All @@ -170,6 +176,11 @@ func AttestCmd(ctx context.Context, ko sign.KeyOpts, regOpts options.RegistryOpt
return err
}
opts = append(opts, static.WithBundle(bundle))
timestamp, err := tuf.GetTimestamp(ctx)
if err != nil {
return errors.Wrap(err, "reading tuf timestamp")
}
opts = append(opts, static.WithTimestamp(timestamp))
}

sig, err := static.NewAttestation(signedPayload, opts...)
Expand Down