====== CESNET CA4 personal certificates ====== CESNET CA4 issues personal certificates for authentication, digital signature and data encryption. Personal certificates are issued with a maximum validity of 13 months. Personal registration with the registration office and submission of written documents confirming the correctness of the identification data specified in the application are necessary for processing the certificate application. For capacity and organizational reasons, CESNET CA4 issues personal certificates primarily to users from organizations that do not and cannot have the [[en:tcs-personal.html|TCS Personal Certificates]] service activated. Personal certificate from CESNET CA4 can get: persons involved in CESNET research projects, administrators of systems and services operated by association members and institutions participating in CESNET research projects; and CESNET employees. We recommend prioritizing personal [[en:tcs-personal.html|TCS Personal Certificates]] wherever possible.