Setting/Confirming a Key Pair and Device Certificate
3U18-269
These settings can be specified when the Device Signature PDF/XPS function is available for use. For information on the optional products required to use the Device Signature PDF/XPS function, see "Optional Products Required for Each Function."
The following procedures describe how to generate and update the key pair and device certificate necessary for adding a device signature to a PDF or XPS file.
Press [Key and Certificate List] → [Key and Certificate List for This Device].
If user signature is disabled, it is not necessary to press [Key and Certificate List for This Device]. If you press [Key and Certificate List], the screen changes to the Key and Certificate List screen.
If [Verify Cert.] is grayed out or <The key is corrupted or invalid.> is displayed, you cannot use the key pair. Follow the procedure in "Setting a Key Pair and Device Certificate" to generate/update a key pair.
NOTE
<Certificate Thumbprint> contains sender information used to validate the reliability of a PDF or XPS file with a device signature, by matching it with the SHA1 message digest number.
The expiration date for the device signature is set to 5 years after its key pair was generated/updated.
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