34 lines
925 B
Go
34 lines
925 B
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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"crypto"
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"crypto/x509"
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"fmt"
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"github.com/docker/attest/internal/util"
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)
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func KeyID(pubKey crypto.PublicKey) (string, error) {
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pub, err := x509.MarshalPKIXPublicKey(pubKey)
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if err != nil {
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return "", fmt.Errorf("error marshaling public key: %w", err)
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}
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return util.SHA256Hex(pub), nil
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}
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