IIT EndUser CA-1 is intended to manage user keys and certificates and to perform Digital signatue and Data Encryption. IIT EndUser CA-1 implements such functions: - user keys management: key generation, store key to a key media, certificate request generation, key backup, change key password, deletion key from a key media, change certificate status, remake certificates; - certificates management: view certificates and CRLs, search certificates locally or via OCSP-protocol, check certificates sta