@Deprecated
  public static KeyData createAesCtrHmacAeadKeyData(
      byte[] aesCtrKeyValue, int ivSize, byte[] hmacKeyValue, int tagSize) throws Exception {
    AesCtrKey aesCtrKey = createAesCtrKey(aesCtrKeyValue, ivSize);
    HmacKey hmacKey = createHmacKey(hmacKeyValue, tagSize);

    AesCtrHmacAeadKey keyProto =
        AesCtrHmacAeadKey.newBuilder().setAesCtrKey(aesCtrKey).setHmacKey(hmacKey).build();
    return createKeyData(
        keyProto, AeadConfig.AES_CTR_HMAC_AEAD_TYPE_URL, KeyData.KeyMaterialType.SYMMETRIC);
  }
@return a {@code KeyData} containing a {@code AesCtrHmacAeadKey}.
@deprecated Do not use this function
java_src/src/main/java/com/google/crypto/tink/testing/TestUtil.java