github.com/hechain20/hechain@v0.0.0-20220316014945-b544036ba106/bccsp/signer/signer_test.go (about)

     1  /*
     2  Copyright hechain. 2022 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  	"crypto/x509"
    23  	"errors"
    24  	"testing"
    25  
    26  	"github.com/hechain20/hechain/bccsp/mocks"
    27  	"github.com/stretchr/testify/require"
    28  )
    29  
    30  func TestInitFailures(t *testing.T) {
    31  	_, err := New(nil, &mocks.MockKey{})
    32  	require.Error(t, err)
    33  
    34  	_, err = New(&mocks.MockBCCSP{}, nil)
    35  	require.Error(t, err)
    36  
    37  	_, err = New(&mocks.MockBCCSP{}, &mocks.MockKey{Symm: true})
    38  	require.Error(t, err)
    39  
    40  	_, err = New(&mocks.MockBCCSP{}, &mocks.MockKey{PKErr: errors.New("No PK")})
    41  	require.Error(t, err)
    42  	require.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  	require.Error(t, err)
    46  	require.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  	require.Error(t, err)
    50  }
    51  
    52  func TestInit(t *testing.T) {
    53  	k, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
    54  	require.NoError(t, err)
    55  	pkRaw, err := x509.MarshalPKIXPublicKey(&k.PublicKey)
    56  	require.NoError(t, err)
    57  
    58  	signer, err := New(&mocks.MockBCCSP{}, &mocks.MockKey{PK: &mocks.MockKey{BytesValue: pkRaw}})
    59  	require.NoError(t, err)
    60  	require.NotNil(t, signer)
    61  
    62  	// Test public key
    63  	R, S, err := ecdsa.Sign(rand.Reader, k, []byte{0, 1, 2, 3})
    64  	require.NoError(t, err)
    65  
    66  	require.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  	require.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  		},
    89  	}
    90  	signature, err := signer.Sign(nil, expectedDigest, expectedOpts)
    91  	require.NoError(t, err)
    92  	require.Equal(t, expectedSig, signature)
    93  
    94  	signer = &bccspCryptoSigner{
    95  		key: expectedKey,
    96  		csp: &mocks.MockBCCSP{
    97  			SignArgKey: expectedKey, SignDigestArg: expectedDigest, SignOptsArg: expectedOpts,
    98  			SignErr: errors.New("no signature"),
    99  		},
   100  	}
   101  	_, err = signer.Sign(nil, expectedDigest, expectedOpts)
   102  	require.Error(t, err)
   103  	require.Equal(t, err.Error(), "no signature")
   104  
   105  	signer = &bccspCryptoSigner{
   106  		key: nil,
   107  		csp: &mocks.MockBCCSP{SignArgKey: expectedKey, SignDigestArg: expectedDigest, SignOptsArg: expectedOpts},
   108  	}
   109  	_, err = signer.Sign(nil, expectedDigest, expectedOpts)
   110  	require.Error(t, err)
   111  	require.Equal(t, err.Error(), "invalid key")
   112  
   113  	signer = &bccspCryptoSigner{
   114  		key: expectedKey,
   115  		csp: &mocks.MockBCCSP{SignArgKey: expectedKey, SignDigestArg: expectedDigest, SignOptsArg: expectedOpts},
   116  	}
   117  	_, err = signer.Sign(nil, nil, expectedOpts)
   118  	require.Error(t, err)
   119  	require.Equal(t, err.Error(), "invalid digest")
   120  
   121  	signer = &bccspCryptoSigner{
   122  		key: expectedKey,
   123  		csp: &mocks.MockBCCSP{SignArgKey: expectedKey, SignDigestArg: expectedDigest, SignOptsArg: expectedOpts},
   124  	}
   125  	_, err = signer.Sign(nil, expectedDigest, nil)
   126  	require.Error(t, err)
   127  	require.Equal(t, err.Error(), "invalid opts")
   128  }