}

    @Test
    @DisplayName("Tag [3] MIC with non-OctetString is ignored (no crash)")
    void testMicTag3NonOctetIgnored() throws Exception {
        // Manually craft a token where field [3] is not an OctetString (e.g., BitString)
        ASN1EncodableVector fields = new ASN1EncodableVector();

    }
  }

  @Test fun `octet string`() {
    val bytes = "0404030206A0".decodeHex()
    val octetString = "030206A0".decodeHex()
    assertThat(Adapters.OCTET_STRING.fromDer(bytes)).isEqualTo(octetString)
    assertThat(Adapters.OCTET_STRING.toDer(octetString)).isEqualTo(bytes)
  }

  @Test fun `cannot decode constructed octet string`() {
    assertFailsWith<ProtocolException> {