[PDFBOX-4453] Encrypted string not decrypted

• Type: Bug
• Status: Closed
• Priority: Critical
• Resolution: Fixed
• Affects Version/s: 1.8.16, 2.0.13
• Fix Version/s: 1.8.17, 2.0.14, 3.0.0 PDFBox
• Component/s: Crypto
• External issue URL: https://stackoverflow.com/questions/54453983/pdfbox2-x-read-wrong-data-from-acroform
• Assignee: Tilman Hausherr
• Reporter: Tilman Hausherr
• Created: 01/Feb/19 19:26
• Updated: 01/Mar/19 07:28
• Resolved: 02/Feb/19 14:05

Description

In the attached file, an ancrypted string "0" should be decrypted to "3" but it is not.

• It is RC4 40 bit encryption
• The string is not decrypted because it is skipped because it is in the objects HashSet

Issue Links

• is related to: PDFBOX-4466 Signature without /Type /Sig can't be read
• is related to: PDFBOX-4477 Large encrypted file takes days to be parsed
• links to: DSS-1538 - Cannot analyze signatures Exception Error