Encrypt and Decrypt PDF Files using C#

PDF encryption is used to secure the PDF document from unauthorized access. If a PDF document is encrypted, you have to decrypt it to access its content, otherwise, it will remain unreadable. Most often, the PDF documents are encrypted with a password that is required to open the document. On the other hand, you can also limit the access permissions to various operations such as printing, editing, copying, etc. Aspose’ PDF library, Aspose.
April 28, 2020 · 4 min · Usman Aziz