// Copyright 2020 The SwiftShader Authors. All Rights Reserved. // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. package util import ( "fmt" "io" "golang.org/x/crypto/openpgp" ) // CheckPGP verifies that data has the PGP signature sig and was signed with the // PGP key key. func CheckPGP(data, sig, key io.Reader) error { keyring, err := openpgp.ReadArmoredKeyRing(key) if err != nil { return fmt.Errorf("Failed to read pgp key: %v", err) } if _, err := openpgp.CheckDetachedSignature(keyring, data, sig); err != nil { return fmt.Errorf("Failed to verify pgp: %v", err) } return nil }