test/compiler/codegen/7184394/TestAESBase.java

*** 29,38 ****
--- 29,39 ----
  import jdk.test.lib.Utils;
  import java.security.AlgorithmParameters;
  import java.util.Random;
  import javax.crypto.Cipher;
  import javax.crypto.SecretKey;
+ import javax.crypto.spec.GCMParameterSpec;
  import javax.crypto.spec.IvParameterSpec;
  import javax.crypto.spec.SecretKeySpec;
  
  abstract public class TestAESBase {
    int msgSize = Integer.getInteger("msgSize", 646);
*** 60,69 ****
--- 61,74 ----
    final Random random = Utils.getRandomInstance();
    Cipher cipher;
    Cipher dCipher;
    AlgorithmParameters algParams;
    SecretKey key;
+   GCMParameterSpec gcm_spec;
+   byte[] aad;
+   int tlen = 12;
+   byte[] iv;
  
    static int numThreads = 0;
    int  threadId;
    static synchronized int getThreadId() {
      int id = numThreads;
*** 98,107 ****
--- 103,118 ----
  
        if (mode.equals("CBC")) {
          int ivLen = (algorithm.equals("AES") ? 16 : algorithm.equals("DES") ? 8 : 0);
          IvParameterSpec initVector = new IvParameterSpec(new byte[ivLen]);
          cipher.init(Cipher.ENCRYPT_MODE, key, initVector);
+       } else if (mode.equals("GCM")) {
+           iv = new byte[64];
+           random.nextBytes(iv);
+           aad = new byte[5];
+           random.nextBytes(aad);
+           gcm_init();
        } else {
          algParams = cipher.getParameters();
          cipher.init(Cipher.ENCRYPT_MODE, key, algParams);
        }
        algParams = cipher.getParameters();
*** 184,189 ****
--- 195,208 ----
      System.out.println(kind + " cipher provider: " + cipher.getProvider());
      System.out.println(kind + " cipher algorithm: " + cipher.getAlgorithm());
    }
  
    abstract void childShowCipher();
+ 
+   void gcm_init() throws Exception {
+     tlen = 12;
+     gcm_spec = new GCMParameterSpec(tlen * 8, iv);
+     cipher = Cipher.getInstance(algorithm + "/" + mode + "/" + paddingStr, "SunJCE");
+     cipher.init(Cipher.ENCRYPT_MODE, key, gcm_spec);
+     cipher.update(aad);
+   }
  }