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iText# (iTextSharp) is a port of the iText open source java library written entirely in C# for the .NET platform. iText# is a library that allows you to generate PDF files on the fly. It is implemented as an assembly.

An Bug of iText and iTextSharp

Somebody sent me a encrypted PDF to ask me help decrypt, I tried pdfcrypt, it got error. and when used pdfcrack, got …