computer security management software, namely, software used for the creation, support and deletion of electronic identities and for use in providing privacy, access control, system integrity, digital signature, security alarm and authentication services for data communications across operating environments, multiple computer platforms and network protocols; public key directory software for use in compiling and presenting directory of personalized encryption keys for use in the secure transmission of encrypted data between individual across a computer network; software that provides full or file-level encryption and digital signature over personal computer, workstation, local area network and mainframe environments