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/*============LICENSE_START=======================================================
* aaf-certservice-client
* ================================================================================
* Copyright (C) 2020 Nokia. All rights reserved.
* ================================================================================
* 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.
* ============LICENSE_END=========================================================
*/
package org.onap.aaf.certservice.client.certification;
import org.bouncycastle.util.io.pem.PemObject;
import org.bouncycastle.util.io.pem.PemReader;
import org.junit.jupiter.api.Test;
import org.onap.aaf.certservice.client.certification.exception.PkEncodingException;
import java.io.IOException;
import java.io.StringReader;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.security.KeyFactory;
import java.security.NoSuchAlgorithmException;
import java.security.PrivateKey;
import java.security.spec.InvalidKeySpecException;
import java.security.spec.PKCS8EncodedKeySpec;
import static org.assertj.core.api.Assertions.assertThat;
class PrivateKeyToPemEncoderTest {
private static final String ENCRYPTION_ALGORITHM = "RSA";
private static final String RESOURCES_DIR = "src/test/resources/";
private static final String PRIVATE_KEY_PEM_PATH = RESOURCES_DIR + "rsaPrivateKeyPem";
@Test
void shouldReturnProperlyEncodedPrivateKey() throws InvalidKeySpecException, NoSuchAlgorithmException, PkEncodingException, IOException {
//given
String expectedPem = Files.readString(Paths.get(PRIVATE_KEY_PEM_PATH));
PrivateKeyToPemEncoder testedPkEncoder = new PrivateKeyToPemEncoder();
//when
PrivateKey privateKey = extractPrivateKeyFromPem(expectedPem);
String resultPkInPem = testedPkEncoder.encodePrivateKeyToPem(privateKey);
//then
assertThat(resultPkInPem).isEqualTo(expectedPem);
}
private PrivateKey extractPrivateKeyFromPem(String pem) throws NoSuchAlgorithmException, InvalidKeySpecException, IOException {
PemReader pemReader = new PemReader(new StringReader(pem));
PemObject pemObject = pemReader.readPemObject();
pemReader.close();
PKCS8EncodedKeySpec spec = new PKCS8EncodedKeySpec(pemObject.getContent());
KeyFactory kf = KeyFactory.getInstance(ENCRYPTION_ALGORITHM);
return kf.generatePrivate(spec);
}
}
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