Konica Minolta bizhub C652 bizhub C452/C552/C552DS/C652/C652DS Advanced Functi - Page 77
Encrypting PDF document and adding digital signature, 7.3.1 Password-based encryption
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7.3 Encrypting PDF document and adding digital signature 7 7.3 Encrypting PDF document and adding digital signature Selecting [PDF] or [Compact PDF] as a file type when distributing a scanned document or document saved in a User Box allows you to enhance security for the PDF document by encrypting it using a password or the digital ID of a user (public key). When a device certificate is registered in the MFP, a PDF document can be distributed with a digital signature added. Adding a digital signature certifies the author (MFP) of the sent document and guarantees that the document has not been modified after being signed. Reference - Using PageScope Web Connection, you can encrypt and add a digital signature to send a document in a User Box to another device in the PDF format. - To add a digital signature, it is necessary to encrypt the PDF document using a password or digital ID. 7.3.1 Password-based encryption To encrypt a document using a password, configure the following settings. Item Encryption Target Encryption Type Signature Encryption Level Password Document Permissions Description Select an encryption target. Selecting [Other than Metadata] excludes the item specified in [PDF Document Properties] from the encryption target. Selecting [Other than Metadata] does not allow you to select [Low Level] for Encryption Level. Select [Password]. When a device certificate has been registered in the MFP, specify whether to add a digital signature. For details on registering a device certificate in the MFP, refer to the "User's Guide Network Administrator". Select an encryption level. • [Low Level]: RC4 encoding method (40-bit key length), supported by Acro- bat 3.0 or later • [High Level 1]: RC4 encoding method (128-bit key length), supported by Acrobat 5.0 or later • [High Level 2]: AES encoding method (128-bit key length), supported by Acrobat 7.0 or later Enter the password required to open a PDF document. Enter the password twice for confirmation. Enter the password required to change the document permissions. Enter the password twice for confirmation. You cannot use the same password as that specified in [Password]. After you have configured document permissions, press [Detail Settings] to configure the detailed permission settings. The set values vary depending on the encryption level. bizhub C652/C652DS/C552/C552DS/C452 7-4