public CiphertextHeaders()

in src/main/java/com/amazonaws/encryptionsdk/model/CiphertextHeaders.java [123:161]

27 lines of code
2 McCabe index (conditional complexity)


  public CiphertextHeaders(
      final CiphertextType type,
      final CryptoAlgorithm cryptoAlgo,
      final byte[] encryptionContext,
      final List<KeyBlob> keyBlobs,
      final ContentType contentType,
      final int frameSize) {

    version_ = cryptoAlgo.getMessageFormatVersion();
    typeVal_ = type.getValue();

    cryptoAlgoVal_ = cryptoAlgo.getValue();

    encryptionContext_ = encryptionContext.clone();
    if (encryptionContext_.length > Constants.UNSIGNED_SHORT_MAX_VAL) {
      throw new AwsCryptoException(
          "Size of encryption context exceeds the allowed maximum "
              + Constants.UNSIGNED_SHORT_MAX_VAL);
    }
    encryptionContextLen_ = encryptionContext.length;

    // we only support the encoding of 1 data key in the cipher blob.
    cipherKeyCount_ = keyBlobs.size();
    cipherKeyBlobs_ = new ArrayList<>(keyBlobs);

    contentTypeVal_ = contentType.getValue();
    reservedField_ = 0;
    nonceLen_ = cryptoAlgo.getNonceLen();

    // generate random bytes and assign them as the unique identifier of the
    // message wrapped by this header.
    messageId_ = new byte[cryptoAlgo.getMessageIdLength()];
    RND.nextBytes(messageId_);

    frameLength_ = frameSize;

    // Completed by construction
    isComplete_ = true;
  }