42 lines
1.4 KiB
Go
42 lines
1.4 KiB
Go
/*
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Copyright Docker attest authors
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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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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return NewECDSASignerVerifier(cs)
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}
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