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/*
* Copyright 2019 Nokia
* <p>
* 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
* <p>
* http://www.apache.org/licenses/LICENSE-2.0
* <p>
* 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 org.onap.cvc.csar.security;
import org.bouncycastle.util.encoders.Hex;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
public class ShaHashCodeGenerator {
public String generateSha256(byte[] source) throws NoSuchAlgorithmException {
final String algorithm = "SHA-256";
return generateHashCode(source, algorithm);
}
public String generateSha512(byte[] source) throws NoSuchAlgorithmException {
final String algorithm = "SHA-512";
return generateHashCode(source, algorithm);
}
private String generateHashCode(byte[] source, String algorithm) throws NoSuchAlgorithmException {
MessageDigest digest = MessageDigest.getInstance(algorithm);
byte[] hash = digest.digest(source);
return new String(Hex.encode(hash));
}
}
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