Arguments.of("oid length exceeds buffer", new byte[] { 0x04, 0x01, 0x00, 0x10, 0x06 }, IllegalArgumentException.class),

                // Missing NAME_LEN (not enough bytes for 4-byte length)
                Arguments.of("missing NAME_LEN bytes", new byte[] { 0x04, 0x01, 0x00, (byte) der.length, der[0] },
                        IllegalArgumentException.class),

        }
        final byte[] bo = new byte[len];
        System.arraycopy(buf, i, bo, 0, len);
        i += len;
        this.oid = ASN1ObjectIdentifier.getInstance(bo);

        // NAME_LEN
        if (buf.length < i + NAME_LEN_SIZE) {
            throw new IllegalArgumentException();
        }
        len = 0xff000000 & buf[i++] << 24;
        len |= 0x00ff0000 & buf[i++] << 16;