diff options
Diffstat (limited to 'csarvalidation/src/main/java/org/onap/cvc/csar/security/ShaHashCodeGenerator.java')
-rw-r--r-- | csarvalidation/src/main/java/org/onap/cvc/csar/security/ShaHashCodeGenerator.java | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/csarvalidation/src/main/java/org/onap/cvc/csar/security/ShaHashCodeGenerator.java b/csarvalidation/src/main/java/org/onap/cvc/csar/security/ShaHashCodeGenerator.java new file mode 100644 index 0000000..5b6b474 --- /dev/null +++ b/csarvalidation/src/main/java/org/onap/cvc/csar/security/ShaHashCodeGenerator.java @@ -0,0 +1,43 @@ +/* + * 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)); + } +} |