The document provides information about the serial number and validity period of an X509 certificate. The serial number is assigned by the issuer and distinguishes the certificate from others, with a valid range between 1 and 2147483647. The validity period is the number of days the certificate is valid from the issuance date, with a maximum validity period of 20 years for certificates issued by the Certificate Assistant.
documents/EFTA00289907.pdf
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