It is used to confirm (certify) the identification of trading partners, to detect (integrity) whether it is forged or altered and to prevent the denial on the transmission and receipt of electronic documents between senders and recipient.

It is used to prevent the third party except the legal senders and recipients from seeing the transmitted message (Confidentiality)

It is used when a server checks the identification of a client for the safe communication between clients and servers. It is used in Form Signing, SSO(Single Sign On).

It is used when a client checks the identification of a server for the safe communication between clients and servers.

It is used for the Digital Signature in email or encryption of e-mail.

It is used to safely distribute software through communication networks such as Internet s that are not safe. It is used to check forgery or alteration of software during the process to check the identification of a manufacturer and transmission as a manufacturer makes the Digital Signature on software code such as Java code and Java script.

It is used for CA verification and to verity the reliability of other certificates on software of clients and servers.