A facile and efficient digital signing system. Electronic file in any format can be signed by many persons, dependency relationship between different signatures can be build, signer s advises can be involved in the signature.
RSA key (1024 bits) ensures signature safety and dynamic transport encryption protects transported information, login system supports intrusion monitoring and shielding, support anti-counterfeit signature page printing.
Records all valid signatures and all wrong logins (existent username but wrong password) for user auditing.