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// Copyright The Notary Project Authors.
// 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 signaturetest
import (
"crypto/elliptic"
"crypto/x509"
"fmt"
"github.com/notaryproject/notation-core-go/signature"
"github.com/notaryproject/notation-core-go/testhelper"
)
// GetTestLocalSigner returns the local signer with given keyType and size for testing
func GetTestLocalSigner(keyType signature.KeyType, size int) (signature.Signer, error) {
switch keyType {
case signature.KeyTypeEC:
switch size {
case 256:
leafCertTuple := testhelper.GetECCertTuple(elliptic.P256())
certs := []*x509.Certificate{leafCertTuple.Cert, testhelper.GetECRootCertificate().Cert}
return signature.NewLocalSigner(certs, leafCertTuple.PrivateKey)
case 384:
leafCertTuple := testhelper.GetECCertTuple(elliptic.P384())
certs := []*x509.Certificate{leafCertTuple.Cert, testhelper.GetECRootCertificate().Cert}
return signature.NewLocalSigner(certs, leafCertTuple.PrivateKey)
case 521:
leafCertTuple := testhelper.GetECCertTuple(elliptic.P521())
certs := []*x509.Certificate{leafCertTuple.Cert, testhelper.GetECRootCertificate().Cert}
return signature.NewLocalSigner(certs, leafCertTuple.PrivateKey)
default:
return nil, fmt.Errorf("key size not supported")
}
case signature.KeyTypeRSA:
switch size {
case 2048:
leafCertTuple := testhelper.GetRSACertTuple(2048)
certs := []*x509.Certificate{leafCertTuple.Cert, testhelper.GetRSARootCertificate().Cert}
return signature.NewLocalSigner(certs, leafCertTuple.PrivateKey)
case 3072:
leafCertTuple := testhelper.GetRSACertTuple(3072)
certs := []*x509.Certificate{leafCertTuple.Cert, testhelper.GetRSARootCertificate().Cert}
return signature.NewLocalSigner(certs, leafCertTuple.PrivateKey)
case 4096:
leafCertTuple := testhelper.GetRSACertTuple(4096)
certs := []*x509.Certificate{leafCertTuple.Cert, testhelper.GetRSARootCertificate().Cert}
return signature.NewLocalSigner(certs, leafCertTuple.PrivateKey)
default:
return nil, fmt.Errorf("key size not supported")
}
default:
return nil, fmt.Errorf("keyType not supported")
}
}
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