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Topic: about pdf1.4 encryption
Conf: (P-PDF) Developers, Msg: 51170
Date: 5/29/2002 04:43 PM
I tried to decrypt a PDF file ,which I knew user and owner password ,128bit encrypted by Acrobat5.0 .But I could not decrypt it as what written as pdf1.4 specification .
Could anyone tell me what's the matter is?