@Override
      public String getInstanceId() {
        return UUID.randomUUID().toString();
      }
RSA-based implementation for {@link KeyPair} creation. This will go unused in the clear text
flow. TODO: Move to a common location and reconcile with JWE RsaSymmetricKeyGenerator
extensions/security/portability-security-cleartext/src/main/java/org/datatransferproject/security/cleartext/ClearTextKeyGenerator.java