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Support Certum >> SSL, Electronic Signature, Code SigningChoose in the store the Certum Code Signing certificate appropriate to your needs and add it to the shopping cart.Support Certum >> SSL, Electronic Signature, Code Signing Support Technical announcements Contact Certum.eu Store Accessibility Accessibility Normal font Medium font Large font High-contrast mode Reset to default Language Language PL EN Renew or activate signature Electronic signature activation How to activate NEW Certum's electronic signature? Activate a Signature Electronic signature renewal Renewal of Certum's e-signature step by step Renew a Signature Electronic signature renewal process - detailed instruction Search How can we help you? SSL Certificates Certificate Discovery How to use Certbot to issue Certum SSL ACME certificate? How to prepare the domain for the high risk detection? More Electronic seal Required documents Electronic Seal – Instruction Electronic signature proCertum SmartSign The verification process and documents required after the purchase of the Certum electronic signature The process of renewing a qualified certificate on a cryptographic card More e-Delivery How do e-Delivery services cooperate with document management systems? User manual Code Signing Certificates Transfer the product to another account Signing the code using tools like Signtool and Jarsigner (instruction) Automatic Subscriber verification More Document Signing Certificate Installation of the SimplySign applications for the cloud certificates How to activate SimplySign application for certificates in the Cloud? How to activate a Document Signing in the Cloud certificate? More S/MIME Certificate Transfer the product to another account Group activation Automatic Subscriber verification More CertumSign Signing a PDF file without a CertumSign account – Basic sign (SES) using an SMS Code Signing a PDF file with SimplySign (QES) Signing a PDF File with an Authorized Signature using an SMS Code – basic sign (SES) More Automatic identity verification What is automatic identity verification? For which certificates is the automatic identity verification available?  How to start the automatic identity verification? More Legal materials The form enabling the submission of a non-qualified certificate revocation request QSCert®, spol. s r.o. certificates confirming the compliance of Asseco Data Systems Certum (Certum) services with the provisions of the eIDAS Regulation About WebTrust SM/TM More Time Stamp Time Stamp – Instructions Show all categories Frequently read Software and libraries Code Signing – required documents Verification process and required documents Automatic Subscriber verification How to start the automatic identity verification? proCertum SmartSign – FAQ proCertum CardManager Installation of the SimplySign applications for the cloud certificates Signing the code using tools like Signtool and Jarsigner (instruction) What documents are supported? How do I perform the process using a computer? Required documents See all questions Technical announcements 25.10.2026 Certum will start issuing SSL/TLS certificates from dedicated TLS Root CAs Starting from January 2027, Certum plans to start issuing public SSL/TLS certificates from two Root CAs dedicated to TLS: Certum TLS RSA Root CA Certum TLS ECC Root CA 14.10.2026 SimplySign – Partial Service Unavailability On Friday, October 16, 2026, from 8:00 p.m. to 10:00 p.m., SimplySign may be partially unavailable. 14.10.2026 Paperless – Technical Version 3.15 Deployment Please be advised that maintenance work related to the deployment of a new version of Paperless will take place from Friday, October 16, 2026, at 8:00 p.m. until Monday, October 19, 2026, at 6:00 a.m. at the latest. Read other announcements Didn’t find the answer to your question? 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