public static CoseKdfContext decode()

in java/cose/CoseKdfContext.java [62:82]

• 17 lines of code
• 2 McCabe index (conditional complexity)

  public static CoseKdfContext decode(byte[] data) throws CborException {
    DataItem coseKdfContext = CborUtil.cborToDataItem(data);

    Array array = CborUtil.asArray(coseKdfContext);
    List<DataItem> dataItems = array.getDataItems();

    if (dataItems.size() != COSE_KDF_CONTEXT_LENGTH) {
      throw new CborException(
          String.format(
              "Recipient has the wrong length \nExpected: %s\nActual: %s",
              COSE_KDF_CONTEXT_LENGTH, dataItems.size()));
    }

    int alg = CborUtil.asNumber(dataItems.get(COSE_KDF_CONTEXT_ALG_INDEX));
    byte[] partyU = CborUtil.asByteString(dataItems.get(COSE_KDF_CONTEXT_PARTY_U_INDEX)).getBytes();
    byte[] partyV = CborUtil.asByteString(dataItems.get(COSE_KDF_CONTEXT_PARTY_V_INDEX)).getBytes();
    byte[] suppPubInfo =
        CborUtil.asByteString(dataItems.get(COSE_KDF_CONTEXT_SUPP_PUB_INFO_INDEX)).getBytes();

    return new CoseKdfContext(alg, partyU, partyV, suppPubInfo);
  }