diff options
author | Pawel Baniewski <pawel.baniewski@nokia.com> | 2021-07-15 08:46:29 +0000 |
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committer | Gerrit Code Review <gerrit@onap.org> | 2021-07-15 08:46:29 +0000 |
commit | f9f3ca33aaec818d658136d7f0e5acc6fd51aa0b (patch) | |
tree | f810bac85e8a1612b68e473e3ab82e6bebce833a /certService/src/main/java/org/onap/oom/certservice/certification/conversion/StringBase64ToPrivateKeyConverter.java | |
parent | 6972c0fca528be15a3d9dbbb4106f20b07474bb7 (diff) | |
parent | dd84c4aad3b0ebb9af61e1c45c95a033121c5153 (diff) |
Merge "[OOM-CERT-SERVICE] Refactor CertService API code"
Diffstat (limited to 'certService/src/main/java/org/onap/oom/certservice/certification/conversion/StringBase64ToPrivateKeyConverter.java')
-rw-r--r-- | certService/src/main/java/org/onap/oom/certservice/certification/conversion/StringBase64ToPrivateKeyConverter.java | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/certService/src/main/java/org/onap/oom/certservice/certification/conversion/StringBase64ToPrivateKeyConverter.java b/certService/src/main/java/org/onap/oom/certservice/certification/conversion/StringBase64ToPrivateKeyConverter.java new file mode 100644 index 00000000..1ea752b1 --- /dev/null +++ b/certService/src/main/java/org/onap/oom/certservice/certification/conversion/StringBase64ToPrivateKeyConverter.java @@ -0,0 +1,55 @@ +/*- + * ============LICENSE_START======================================================= + * Copyright (C) 2021 Nokia. + * ================================================================================ + * 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. + * + * SPDX-License-Identifier: Apache-2.0 + * ============LICENSE_END========================================================= + */ + +package org.onap.oom.certservice.certification.conversion; + +import org.bouncycastle.util.io.pem.PemObject; +import org.onap.oom.certservice.certification.exception.KeyDecryptionException; + +import java.security.KeyFactory; +import java.security.NoSuchAlgorithmException; +import java.security.PrivateKey; +import java.security.spec.InvalidKeySpecException; +import java.security.spec.PKCS8EncodedKeySpec; + +public class StringBase64ToPrivateKeyConverter { + + private final PemObjectFactory pemObjectFactory = new PemObjectFactory(); + + public PrivateKey convert(StringBase64 privateKey) throws KeyDecryptionException { + PemObject decodedPrivateKey = createDecodedPrivateKey(privateKey); + try { + KeyFactory factory = KeyFactory.getInstance("RSA"); + PKCS8EncodedKeySpec keySpec = new PKCS8EncodedKeySpec(decodedPrivateKey.getContent()); + return factory.generatePrivate(keySpec); + } catch (NoSuchAlgorithmException | InvalidKeySpecException e) { + throw new KeyDecryptionException("Converting Private Key failed", e.getCause()); + } + } + + private PemObject createDecodedPrivateKey(StringBase64 privateKey) throws KeyDecryptionException { + return privateKey.asString() + .flatMap(pemObjectFactory::createPemObject) + .orElseThrow( + () -> new KeyDecryptionException("Incorrect Key, decryption failed") + ); + } + +} |