gitlab.com/aquachain/aquachain@v1.17.16-rc3.0.20221018032414-e3ddf1e1c055/internal/build/pgp.go (about) 1 // Copyright 2018 The aquachain Authors 2 // This file is part of the aquachain library. 3 // 4 // The aquachain library is free software: you can redistribute it and/or modify 5 // it under the terms of the GNU Lesser General Public License as published by 6 // the Free Software Foundation, either version 3 of the License, or 7 // (at your option) any later version. 8 // 9 // The aquachain library is distributed in the hope that it will be useful, 10 // but WITHOUT ANY WARRANTY; without even the implied warranty of 11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 // GNU Lesser General Public License for more details. 13 // 14 // You should have received a copy of the GNU Lesser General Public License 15 // along with the aquachain library. If not, see <http://www.gnu.org/licenses/>. 16 17 // signFile reads the contents of an input file and signs it (in armored format) 18 // with the key provided, placing the signature into the output file. 19 20 package build 21 22 // "bytes" 23 // "fmt" 24 // "os" 25 26 // "golang.org/x/crypto/openpgp" 27 28 // PGPSignFile parses a PGP private key from the specified string and creates a 29 // signature file into the output parameter of the input file. 30 // 31 // Note, this method assumes a single key will be container in the pgpkey arg, 32 // furthermore that it is in armored format. 33 // func PGPSignFile(input string, output string, pgpkey string) error { 34 // // Parse the keyring and make sure we only have a single private key in it 35 // keys, err := openpgp.ReadArmoredKeyRing(bytes.NewBufferString(pgpkey)) 36 // if err != nil { 37 // return err 38 // } 39 // if len(keys) != 1 { 40 // return fmt.Errorf("key count mismatch: have %d, want %d", len(keys), 1) 41 // } 42 // // Create the input and output streams for signing 43 // in, err := os.Open(input) 44 // if err != nil { 45 // return err 46 // } 47 // defer in.Close() 48 49 // out, err := os.Create(output) 50 // if err != nil { 51 // return err 52 // } 53 // defer out.Close() 54 55 // // Generate the signature and return 56 // return openpgp.ArmoredDetachSign(out, keys[0], in, nil) 57 // }