Manual

20 Encryption and Digital Signature Settings
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The personal certificates or the device certificates of destinations are required for encrypted
communications.
Note • If the certificate for S/MIME contains an "email Address" or a V3 extension (keyUsage),
"digitalSignature" and "keyEncipherment" must be asserted. If the certificate contains v3 extension
(extendedKeyUsage), "emailProtection" must be set.
Encryption and Digital-Signature Features for Scan Files
Encrypting PDF Documents
PDF documents can be encrypted and protected by a password.
Encryption/Digital Signature of PDF/XPS Documents
Digital signatures are available for PDF and XPS documents.
To use the digital signature, a device certificate is required.
For a device certificate, you can use any registered certificates.
Note • XPS stands for XML Paper Specification.