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:

...PGPBlackbox was very simple to use and I can see us using it a lot more in the future...

Latest version

Release:  15.1.304
23 May 2017

Pre-release:  16.0.303
21 May 2017

OpenPGPBlackbox package of SecureBlackbox®

SecureBlackbox product diagram

PGP was originally created as a program to encrypt mail and files. Later it evolved into an open standard (OpenPGP), which utilizes flexible decentralized key management and advanced encryption, signing and encryption functionality.

With OpenPGPBlackbox you can extend your application with security functions such as signing, encryption, decryption and verification of the data using OpenPGP keys. The components can also be used for OpenPGP key generation and management.

Using OpenPGPBlackbox the SSL/TLS components of SecureBlackbox can perform OpenPGP-based server-side and client-side authentication of the SSL/TLS handshake.

OpenPGPBlackbox also provides OpenPGP/MIME extension for support of PGP-encrypted mail. This extension can be used with MIMEBlackbox.

To perform cryptographic functions and for PKI operations OpenPGPBlackbox uses PKIBlackbox, base functions of which are included with OpenPGPBlackbox package.

Top 6 reasons to choose SecureBlackbox:


Strict observance of the standards and the most secure algorithms, used in the industry, ensures highest level of security of the offered solutions.


SecureBlackbox is an integrated suite of instruments, equally applicable for building complex security-related software solutions and for adding data protection to existing applications.

Easy to use architecture

SecureBlackbox was carefully designed by software architects, who have extensive experience in software development and design.

Readiness for use

One can use SecureBlackbox even if he/she has only basic knowledge of information security and cryptography.

Flexible support policy

EldoS offers many support options, from forums and knowlegebase to free individual support and expert services.

Affordable licensing schemes

EldoS offers affordable royalty-free licenses for all its products. All licenses include free individual support and free updates.

Read about OpenPGPBlackbox (.NET edition)
Read about OpenPGPBlackbox (VCL edition)
Read about OpenPGPBlackbox (Java edition)
Read about OpenPGPBlackbox (C++ edition)
Read about OpenPGPBlackbox (PHP edition)


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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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