[PDFBOX-3402] BadPaddingException while decrypting file

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Not A Problem
• Affects Version/s: 2.0.1
• Component/s: Crypto
• Assignee: Unassigned
• Reporter: Arjun Kaushal
• Created: 27/Jun/16 13:10
• Updated: 05/Jul/16 19:12
• Resolved: 05/Jul/16 19:12

Description

Here I am getting issue while trying decrypt file using PDFBox

---

java.io.IOException: javax.crypto.BadPaddingException: Given final block not properly padded
at org.apache.pdfbox.pdmodel.encryption.SecurityHandler.encryptDataAESother(SecurityHandler.java:291)
at org.apache.pdfbox.pdmodel.encryption.SecurityHandler.encryptData(SecurityHandler.java:152)
at org.apache.pdfbox.pdmodel.encryption.SecurityHandler.decryptStream(SecurityHandler.java:449)
at org.apache.pdfbox.pdfparser.COSParser.parseFileObject(COSParser.java:764)
at org.apache.pdfbox.pdfparser.COSParser.parseObjectDynamically(COSParser.java:721)
at org.apache.pdfbox.pdfparser.COSParser.parseObjectDynamically(COSParser.java:652)
at org.apache.pdfbox.pdfparser.COSParser.parseDictObjects(COSParser.java:612)
at org.apache.pdfbox.pdfparser.PDFParser.initialParse(PDFParser.java:215)
at org.apache.pdfbox.pdfparser.PDFParser.parse(PDFParser.java:249)
at org.apache.pdfbox.pdmodel.PDDocument.load(PDDocument.java:972)
at org.apache.pdfbox.pdmodel.PDDocument.load(PDDocument.java:908)

---

Decryptor.java

String oPasswd = password + OWNER_PDF_ENCRYTPION_KEY_SUFFIX;
		
		try {
			PDDocument reader = PDDocument.load(new FileInputStream(src),oPasswd);
			reader.setAllSecurityToBeRemoved(true);
			reader.save(dest);
			reader.close();
			return true;
		    }