4/6/2024 0 Comments Pdf x support![]() Security revision 2 (RC4-40 encryption) allows the document creator to restrict the following operations:Ĭopying text and graphics from the documentĪdding or modifying text annotations and interactive form fields Two security revisions are used: 2 and 3. The available set of document permissions depend on the security revision number (defined in the PDF standard). For more compliance information visit the US Patent and Trademarks Office website at EncryptionĤ0-bit RC4 – Supported in PDF version 1.1 and above (security revision 2)ġ28-bit RC4 - Supported in PDF version 1.4 and above (security revision 3)ġ28-bit AES – Supported in PDF version 1.6 and above (security revision 3)Ģ56-bit AES – Supported in PDF version 1.7 and above (security revision 3) PDF files created by the product can be from versions 1.3 to 2.0 or PDF/A (based on version 1.4) or USPTO compliant (based on version 1.4 with all fonts embedded, high quality and security protection disallowed). Features not mentioned here are supported in all versions. This product supports PDF versions 1.0 to 2.0 this topic summarizes which features are supported in each version. ![]()
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