private static void addRsaOaepTest(String digest, MGF1ParameterSpec mgf1Spec, byte[] vector) {
        addRsaOaepTest(digest, mgf1Spec, vector, null);
    }
openssl rsautl -raw -sign -inkey rsa.key | recode ../x1 | sed 's/0x/(byte) 0x/g'
common/src/test/java/org/conscrypt/javax/crypto/CipherTest.java