You should acquire a certificate from a CA before using it to sign documents. NOTE: Master PDF Editor itself does not provide any digital certificates. Please refer to the Digital Certification Manager section to learn how you can do this. You can also create a self-signed certificate yourself using free OpenSSL. Some Certificate Authorities offer digital certificates for free, others require payment. Common sources of digital certificates are: To get a digital certificate you must submit an inquiry to a Certificate Authority that will issue a digital certificate. This allows any software to identify this public key as valid and trusted and use it to encrypt or sign documents. CA signs the public key of the applicant with its own digital signature – trusted and publicly available. Simply put, the certificate makes sure the author of a document is who he claims to be and the content of the document was indeed written by the this author.Ī digital certificate is issued by a Certificate Authority (CA, the issuer) – an entity that verifies the identity of the applicant. A digital certificate is an electronic document that verifies the identity of a user and prevents forgery of the document content.
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