29 lines
915 B
Go
29 lines
915 B
Go
package signerverifier
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import (
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"context"
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"fmt"
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"github.com/secure-systems-lab/go-securesystemslib/dsse"
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gcpsigner "github.com/sigstore/sigstore/pkg/signature/kms/gcp"
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"google.golang.org/api/option"
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)
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// using GCP KMS
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// reference should be in the format projects/[PROJECT_ID]/locations/[LOCATION]/keyRings/[KEY_RING]/cryptoKeys/[KEY]/cryptoKeyVersions/[VERSION].
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func GetGCPSigner(ctx context.Context, reference string, opts ...option.ClientOption) (dsse.SignerVerifier, error) {
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reference = fmt.Sprintf("gcpkms://%s", reference)
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sv, err := gcpsigner.LoadSignerVerifier(ctx, reference, opts...)
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if err != nil {
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return nil, fmt.Errorf("error loading gcp signer verifier: %w", err)
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}
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cs, _, err := sv.CryptoSigner(ctx, func(_ error) {})
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if err != nil {
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return nil, fmt.Errorf("error getting gcp crypto signer: %w", err)
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}
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signer := &ECDSA256SignerVerifier{
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Signer: cs,
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}
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return signer, nil
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}
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