added svcapi ui and camunda code

[it/otf.git] / otf-service-api / src / main / java / org / oran / otf / common / utility / RSAEncryptDecrypt.java

diff --git a/otf-service-api/src/main/java/org/oran/otf/common/utility/RSAEncryptDecrypt.java b/otf-service-api/src/main/java/org/oran/otf/common/utility/RSAEncryptDecrypt.java
new file mode 100644 (file)
index 0000000..1309d6d
--- /dev/null
+++ b/otf-service-api/src/main/java/org/oran/otf/common/utility/RSAEncryptDecrypt.java
@@ -0,0 +1,54 @@
+/*  Copyright (c) 2019 AT&T Intellectual Property.                             #\r
+#                                                                              #\r
+#   Licensed under the Apache License, Version 2.0 (the "License");            #\r
+#   you may not use this file except in compliance with the License.           #\r
+#   You may obtain a copy of the License at                                    #\r
+#                                                                              #\r
+#       http://www.apache.org/licenses/LICENSE-2.0                             #\r
+#                                                                              #\r
+#   Unless required by applicable law or agreed to in writing, software        #\r
+#   distributed under the License is distributed on an "AS IS" BASIS,          #\r
+#   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.   #\r
+#   See the License for the specific language governing permissions and        #\r
+#   limitations under the License.                                             #\r
+##############################################################################*/\r
+\r
+\r
+package org.oran.otf.common.utility;\r
+\r
+import java.security.KeyPair;\r
+import java.security.KeyPairGenerator;\r
+import java.security.NoSuchAlgorithmException;\r
+import javax.crypto.Cipher;\r
+import org.springframework.stereotype.Service;\r
+\r
+@Service\r
+public class RSAEncryptDecrypt {\r
+\r
+  private KeyPair keyPair;\r
+\r
+  public RSAEncryptDecrypt() throws NoSuchAlgorithmException {\r
+    this.keyPair = buildKeyPair();\r
+  }\r
+\r
+  private KeyPair buildKeyPair() throws NoSuchAlgorithmException {\r
+    final int keySize = 2048;\r
+    KeyPairGenerator keyPairGenerator = KeyPairGenerator.getInstance("RSA");\r
+    keyPairGenerator.initialize(keySize);\r
+    return keyPairGenerator.genKeyPair();\r
+  }\r
+\r
+  public byte[] encrypt(String message) throws Exception {\r
+    Cipher cipher = Cipher.getInstance("RSA");\r
+    cipher.init(Cipher.ENCRYPT_MODE, this.keyPair.getPrivate());\r
+\r
+    return cipher.doFinal(message.getBytes());\r
+  }\r
+\r
+  public byte[] decrypt(byte[] encrypted) throws Exception {\r
+    Cipher cipher = Cipher.getInstance("RSA");\r
+    cipher.init(Cipher.DECRYPT_MODE, this.keyPair.getPublic());\r
+\r
+    return cipher.doFinal(encrypted);\r
+  }\r
+}\r