| // 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 |
| } |
