Code example for SecretKeySpec

0
      byte[] encryptedMasterSecret        = verifyMac(context, encryptedAndMacdMasterSecret, passphrase);
      byte[] combinedSecrets              = decryptWithPassphrase(context, encryptedMasterSecret, passphrase);
      byte[] encryptionSecret             = getEncryptionSecret(combinedSecrets);
      byte[] macSecret                    = getMacSecret(combinedSecrets);
 
      return new MasterSecret(new SecretKeySpec(encryptionSecret, "AES"),
			      new SecretKeySpec(macSecret, "HmacSHA1"));
    } catch (GeneralSecurityException e) {
      Log.w("keyutil", e);
      return null; //XXX 
    } catch (IOException e) {
      Log.w("keyutil", e);
      return null; //XXX 
    } 
  } 
 
  public static AsymmetricMasterSecret getAsymmetricMasterSecret(Context context, MasterSecret masterSecret) {
    try { 
      PublicKey publicKey               = new PublicKey(retrieve(context, ASYMMETRIC_LOCAL_PUBLIC));
      ECPrivateKeyParameters privateKey = null;
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