EldoS | Feel safer!

Software components for data protection, secure storage and transfer


Add perfect security to your application!

SecureBlackbox is a suite of software components that allows developers to add strong security to their applications to protect binary data, files, documents and e-mails.

SecureBlackbox includes authentic implementations (no 3rd-party code used) of various data security standards and network communication protocols for various platforms (Windows, .NET, Linux, macOS / iOS, Java / Android).

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Latest version

Release:  15.1.304
23 May 2017

Pre-release:  16.0.303
21 May 2017

OfficeBlackbox main features

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image  Office document operations and features are

  • Word, Excel and PowerPoint binary file formats support (Microsoft Office 97, 2000, 2002, 2003, 2007, 2010);
  • Office OpenXML (OOXML) Document format support (default file format for Microsoft Office 2007 and 2010);
  • OpenXPS (XPS, Open XML Paper Specification) format support;
  • Open Document Format for Office Applications (also known as OpenDocument or ODF) support (default file format for OpenOffice);
  • OPC (Open Packaging Conventions) support (a container-file technology for OpenXPS and OpenXML);
  • password-based Office Binary Document RC4 encryption (RC4/40);
  • password-based Office Binary Document RC4 CryptoAPI encryption (RC4/40-128 bits);
  • password-based ECMA-376 Document (OpenXML) standard encryption using AES algorithm with 128, 192 or 256-bit key;
  • password-based ECMA-376 Document (OpenXML) agile encryption using AES, RC2, RC4, DES, TripleDES algorithms, and hashing algorithms SHA-1, SHA-256, SHA-384, SHA-512, MD2, MD4, MD5 and RIPEMD-160 for derived key;
  • digital signing of Office Binary Documents;
  • digital signing of Office OpenXML Document;
  • digital signing of OpenXPS documents according to ECMA-388 signature policy;
  • digital signing of OpenDocument;
  • signature timestamping using TSP (Timstamping Protocol) to ensure long-term validity of signatures;
  • validation of digital signatures and timestamps of documents in supported formats including flexible certificate validation;
  • support for Signature Lines for Office OpenXML documents;
  • support for visible and invisible Signature Definitions for OpenXPS;
  • possibility to sign the documents in distributed mode lets you build client-server document management systems with secure signing of documents;
  • use of Cryptocards and USB Crypto Tokens for further protection of secret information (private and secret keys);
  • (optional) FIPS-compliant operation mode

image  XML digital signing is widely used in OfficeBlackbox, so XMLBlackbox is included with OfficeBlackbox. ZIP file processing is used in OfficeBlackbox for handling of Open Document Format, so ZIPBlackbox is also included with OfficeBlackbox.

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As of July 15, 2016 EldoS business operates as a division of /n software, inc. For more information, please read the announcement.

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