anuengineer commented on a change in pull request #1386: HDDS-2015. 
Encrypt/decrypt key using symmetric key while writing/reading
URL: https://github.com/apache/hadoop/pull/1386#discussion_r319734108
 
 

 ##########
 File path: 
hadoop-ozone/client/src/main/java/org/apache/hadoop/ozone/client/rpc/RpcClient.java
 ##########
 @@ -1099,6 +1126,23 @@ private OzoneOutputStream 
createOutputStream(OpenKeySession openKey,
               decrypted.getMaterial(), feInfo.getIV());
       return new OzoneOutputStream(cryptoOut);
     } else {
+      try{
+        GDPRSymmetricKey gk;
+        Map<String, String> openKeyMetadata =
+            openKey.getKeyInfo().getMetadata();
+        if(Boolean.valueOf(openKeyMetadata.get(OzoneConsts.GDPR_FLAG))){
+          gk = new GDPRSymmetricKey(
+              openKeyMetadata.get(OzoneConsts.GDPR_SECRET),
+              openKeyMetadata.get(OzoneConsts.GDPR_ALGORITHM)
+          );
+          gk.getCipher().init(Cipher.ENCRYPT_MODE, gk.getSecretKey());
 
 Review comment:
   This call is failing in the default tests with 
   `java.security.InvalidKeyException: Illegal key size or default parameters`

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