github.com/lzy4123/fabric@v2.1.1+incompatible/bccsp/signer/signer_test.go (about)

     1  /*
     2  Copyright IBM Corp. 2016 All Rights Reserved.
     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  package signer
    17  
    18  import (
    19  	"crypto/ecdsa"
    20  	"crypto/elliptic"
    21  	"crypto/rand"
    22  	"errors"
    23  	"testing"
    24  
    25  	"github.com/hyperledger/fabric/bccsp/mocks"
    26  	"github.com/hyperledger/fabric/bccsp/utils"
    27  	"github.com/stretchr/testify/assert"
    28  )
    29  
    30  func TestInitFailures(t *testing.T) {
    31  	_, err := New(nil, &mocks.MockKey{})
    32  	assert.Error(t, err)
    33  
    34  	_, err = New(&mocks.MockBCCSP{}, nil)
    35  	assert.Error(t, err)
    36  
    37  	_, err = New(&mocks.MockBCCSP{}, &mocks.MockKey{Symm: true})
    38  	assert.Error(t, err)
    39  
    40  	_, err = New(&mocks.MockBCCSP{}, &mocks.MockKey{PKErr: errors.New("No PK")})
    41  	assert.Error(t, err)
    42  	assert.Equal(t, "failed getting public key: No PK", err.Error())
    43  
    44  	_, err = New(&mocks.MockBCCSP{}, &mocks.MockKey{PK: &mocks.MockKey{BytesErr: errors.New("No bytes")}})
    45  	assert.Error(t, err)
    46  	assert.Equal(t, "failed marshalling public key: No bytes", err.Error())
    47  
    48  	_, err = New(&mocks.MockBCCSP{}, &mocks.MockKey{PK: &mocks.MockKey{BytesValue: []byte{0, 1, 2, 3}}})
    49  	assert.Error(t, err)
    50  }
    51  
    52  func TestInit(t *testing.T) {
    53  	k, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
    54  	assert.NoError(t, err)
    55  	pkRaw, err := utils.PublicKeyToDER(&k.PublicKey)
    56  	assert.NoError(t, err)
    57  
    58  	signer, err := New(&mocks.MockBCCSP{}, &mocks.MockKey{PK: &mocks.MockKey{BytesValue: pkRaw}})
    59  	assert.NoError(t, err)
    60  	assert.NotNil(t, signer)
    61  
    62  	// Test public key
    63  	R, S, err := ecdsa.Sign(rand.Reader, k, []byte{0, 1, 2, 3})
    64  	assert.NoError(t, err)
    65  
    66  	assert.True(t, ecdsa.Verify(signer.Public().(*ecdsa.PublicKey), []byte{0, 1, 2, 3}, R, S))
    67  }
    68  
    69  func TestPublic(t *testing.T) {
    70  	pk := &mocks.MockKey{}
    71  	signer := &bccspCryptoSigner{pk: pk}
    72  
    73  	pk2 := signer.Public()
    74  	assert.NotNil(t, pk, pk2)
    75  }
    76  
    77  func TestSign(t *testing.T) {
    78  	expectedSig := []byte{0, 1, 2, 3, 4}
    79  	expectedKey := &mocks.MockKey{}
    80  	expectedDigest := []byte{0, 1, 2, 3, 4, 5}
    81  	expectedOpts := &mocks.SignerOpts{}
    82  
    83  	signer := &bccspCryptoSigner{
    84  		key: expectedKey,
    85  		csp: &mocks.MockBCCSP{
    86  			SignArgKey: expectedKey, SignDigestArg: expectedDigest, SignOptsArg: expectedOpts,
    87  			SignValue: expectedSig}}
    88  	signature, err := signer.Sign(nil, expectedDigest, expectedOpts)
    89  	assert.NoError(t, err)
    90  	assert.Equal(t, expectedSig, signature)
    91  
    92  	signer = &bccspCryptoSigner{
    93  		key: expectedKey,
    94  		csp: &mocks.MockBCCSP{
    95  			SignArgKey: expectedKey, SignDigestArg: expectedDigest, SignOptsArg: expectedOpts,
    96  			SignErr: errors.New("no signature")}}
    97  	_, err = signer.Sign(nil, expectedDigest, expectedOpts)
    98  	assert.Error(t, err)
    99  	assert.Equal(t, err.Error(), "no signature")
   100  
   101  	signer = &bccspCryptoSigner{
   102  		key: nil,
   103  		csp: &mocks.MockBCCSP{SignArgKey: expectedKey, SignDigestArg: expectedDigest, SignOptsArg: expectedOpts}}
   104  	_, err = signer.Sign(nil, expectedDigest, expectedOpts)
   105  	assert.Error(t, err)
   106  	assert.Equal(t, err.Error(), "invalid key")
   107  
   108  	signer = &bccspCryptoSigner{
   109  		key: expectedKey,
   110  		csp: &mocks.MockBCCSP{SignArgKey: expectedKey, SignDigestArg: expectedDigest, SignOptsArg: expectedOpts}}
   111  	_, err = signer.Sign(nil, nil, expectedOpts)
   112  	assert.Error(t, err)
   113  	assert.Equal(t, err.Error(), "invalid digest")
   114  
   115  	signer = &bccspCryptoSigner{
   116  		key: expectedKey,
   117  		csp: &mocks.MockBCCSP{SignArgKey: expectedKey, SignDigestArg: expectedDigest, SignOptsArg: expectedOpts}}
   118  	_, err = signer.Sign(nil, expectedDigest, nil)
   119  	assert.Error(t, err)
   120  	assert.Equal(t, err.Error(), "invalid opts")
   121  }