Hello.
I used iText to add a certifying signature to a PDF document.
Verifying the signature with Adobe Acrobat 9, in Legal Notice->View Document
Integrity Properties, I get this error: 4000 Unrecognized PDF Content.
With Preflight Tool I obtained this report:
General File Format Error
The required key /DigestLocation is missing
Key: DigestLocation
Formal Representation: SigRefDocMDP
Cos ID: 20
Traversal Path: ->Perms->DocMDP
The required key /DigestValue is missing
Key: DigestValue
Formal Representation: SigRefDocMDP
Cos ID: 20
Traversal Path: ->Perms->DocMDP
The required key /TransformMethod is missing
Key: TransformMethod
Formal Representation: SigRefDocMDP
Cos ID: 20
Traversal Path: ->Perms->DocMDP
An unexpected value is associated with the key
Key: Type
Value: /Sig
Type: CosName
Formal Representation: SigRefDocMDP
Cos ID: 20
Traversal Path: ->Perms->DocMDP
Could anyone help me ?
Thanks
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