pgp.go

Documentation: github.com/sigstore/rekor/tests

     1  //
     2  // Copyright 2021 The Sigstore Authors.
     3  //
     4  // Licensed under the Apache License, Version 2.0 (the "License");
     5  // you may not use this file except in compliance with the License.
     6  // You may obtain a copy of the License at
     7  //
     8  //     http://www.apache.org/licenses/LICENSE-2.0
     9  //
    10  // Unless required by applicable law or agreed to in writing, software
    11  // distributed under the License is distributed on an "AS IS" BASIS,
    12  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  // See the License for the specific language governing permissions and
    14  // limitations under the License.
    15  
    16  //go:build e2e
    17  // +build e2e
    18  
    19  package e2e
    20  
    21  import (
    22  	"bytes"
    23  	"io/ioutil"
    24  	"strings"
    25  	"testing"
    26  
    27  	"golang.org/x/crypto/openpgp"
    28  )
    29  
    30  // This was generated with gpg --gen-key, and all defaults.
    31  // The email is "test@rekor.dev", and the name is Rekor Test.
    32  // It should only be used for test purposes.
    33  
    34  var secretKey = `-----BEGIN PGP PRIVATE KEY BLOCK-----
    35  
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   113  =CwjQ
   114  -----END PGP PRIVATE KEY BLOCK-----`
   115  
   116  var publicKey = `-----BEGIN PGP PUBLIC KEY BLOCK-----
   117  
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   154  WR6Fv7ySHTl7cQ13jGmSR1N8hg==
   155  =Fen+
   156  -----END PGP PUBLIC KEY BLOCK-----`
   157  
   158  var keys openpgp.EntityList
   159  
   160  func init() {
   161  	var err error
   162  	keys, err = openpgp.ReadArmoredKeyRing(strings.NewReader(secretKey))
   163  	if err != nil {
   164  		panic(err)
   165  	}
   166  }
   167  
   168  func SignPGP(b []byte) ([]byte, error) {
   169  	var buf bytes.Buffer
   170  	if err := openpgp.DetachSign(&buf, keys[0], bytes.NewReader(b), nil); err != nil {
   171  		return nil, err
   172  	}
   173  	return buf.Bytes(), nil
   174  }
   175  
   176  // createdPGPSignedArtifact gets the test dir setup correctly with some random artifacts and keys.
   177  func createdPGPSignedArtifact(t *testing.T, artifactPath, sigPath string) {
   178  	t.Helper()
   179  	artifact := createArtifact(t, artifactPath)
   180  
   181  	// Sign it with our key and write that to a file
   182  	signature, err := SignPGP([]byte(artifact))
   183  	if err != nil {
   184  		t.Fatal(err)
   185  	}
   186  	if err := ioutil.WriteFile(sigPath, []byte(signature), 0644); err != nil {
   187  		t.Fatal(err)
   188  	}
   189  }
   190
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