Product Specifications: Using PKI technology Supporting standard algorithms RSA, 3DES, … for encryption Using X509 certificates in encryption and digital signature Ability to define public and private keys for each user Ability to use the database or tokens for storing users’ private keys Verifying the user with digital signature in addition to username and password during login process Ability to define encrypted group, special groups and normal groups at the same time Ability to add digital signatures to any document by the users Ability to add digital signatures to one or all of the attachments of a document by the users Preventing from corrupting or editing a document by non-authorized users Using the SSL standard Using 128 KB length keys Restricting the validity of certificates for each user Deleting a user’s certificates from the system when the user is deleted from the system