SecureBlackbox is a library (suite of components and classes) for software developers that allows them to provide secure data transfer and storage, digital signing and verification, encryption and compression (please refer to EldoS website to get the complete list of supported protocols). Users of SecureBlackbox will benefit from secure standard Internet protocols for data transfer, secure file transfer and remote command execution, encryption and decryption of files and text using PGP-compatible algorithm, encryption and signing documents in PDF and XML formats, creation and parsing of MIME-compliant mail with security extensions, support of Public Key Infrastructure (PKI), management of X.509 certificates and storages.