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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Clients say:

We started with few knowledge to digital signing, but with the help of the documentation, the samples and the very excellent support of EldoS we reached our goal very fast.

Latest version

Release:  15.1.301
28 March 2017

Pre-release:  16.0.302
22 April 2017

Licensing and use

SSLBlackbox can be licensed in one of the following packages:

  • SecureBlackbox Professional
  • SecureBlackbox Standard
  • SecureBlackbox Transports
  • WebDAVBlackbox client+server
  • WebDAVBlackbox client
  • HTTPBlackbox client+server
  • FTPSBlackbox client+server
  • SSLBlackbox client+server
  • SSLBlackbox client

All SecureBlackbox packages and add-ons are available for licensing under one of the following licenses:

Read more about the differences between various SecureBlackbox licenses.


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

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