Module Pdfcrypt

module Pdfcrypt: sig .. end

Decrypting PDF files

Note that encryption depends on fixed object and generation numbers: don't change these (for example by calling Pdf.remove_unreferenced on the PDF) before writing.

Encryption support is part of the Pdfwrite module, since files are encrypted when they're written.

val crypt_debug : bool Pervasives.ref

If this is set, various debug is produced on standard output. On startup, is set to false

type permission =

`\|`	`NoEdit`
`\|`	`NoPrint`
`\|`	`NoCopy`
`\|`	`NoAnnot`
`\|`	`NoForms`
`\|`	`NoExtract`
`\|`	`NoAssemble`
`\|`	`NoHqPrint`

val decrypt_pdf : ?keyfromowner:string ->
       string -> Pdf.t -> Pdf.t option * permission list

Decrypt a PDF document, given the user password, returning the permissions under which the document was encrypted.

val decrypt_pdf_owner : string -> Pdf.t -> Pdf.t option

Decrypt a PDF document, given the owner password.

val is_encrypted : Pdf.t -> bool

Is a PDF encrypted?