[PDFBOX-2522] javax.crypto.IllegalBlockSizeException in ExtractText

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.8.8
• Fix Version/s: 1.8.8
• Component/s: Parsing, Text extraction
• Assignee: Andreas Lehmkühler
• Reporter: Tilman Hausherr
• Created: 25/Nov/14 20:28
• Updated: 13/Dec/14 14:14
• Resolved: 25/Nov/14 22:17

Description

The attached file can be viewed, but ExtractText is not possible:

Exception in thread "main" java.io.IOException: javax.crypto.IllegalBlockSizeException: Input length must be multiple of 16 when decrypting with padded cipher
	at org.apache.pdfbox.pdmodel.encryption.SecurityHandler.encryptData(SecurityHandler.java:361)
	at org.apache.pdfbox.pdmodel.encryption.SecurityHandler.decryptStream(SecurityHandler.java:448)
	at org.apache.pdfbox.pdmodel.encryption.SecurityHandler.decrypt(SecurityHandler.java:413)
	at org.apache.pdfbox.pdmodel.encryption.SecurityHandler.decryptObject(SecurityHandler.java:389)
	at org.apache.pdfbox.pdmodel.encryption.SecurityHandler.proceedDecryption(SecurityHandler.java:178)
	at org.apache.pdfbox.pdmodel.encryption.StandardSecurityHandler.decryptDocument(StandardSecurityHandler.java:164)
	at org.apache.pdfbox.pdmodel.PDDocument.openProtection(PDDocument.java:1224)
	at org.apache.pdfbox.util.PDFTextStripper.writeText(PDFTextStripper.java:265)
	at org.apache.pdfbox.tools.ExtractText.startExtraction(ExtractText.java:241)
	at org.apache.pdfbox.tools.ExtractText.main(ExtractText.java:84)
	at org.apache.pdfbox.tools.PDFBox.main(PDFBox.java:55)
Caused by: javax.crypto.IllegalBlockSizeException: Input length must be multiple of 16 when decrypting with padded cipher
	at com.sun.crypto.provider.CipherCore.doFinal(CipherCore.java:750)
	at com.sun.crypto.provider.CipherCore.doFinal(CipherCore.java:676)
	at com.sun.crypto.provider.AESCipher.engineDoFinal(AESCipher.java:313)
	at javax.crypto.Cipher.doFinal(Cipher.java:2145)
	at org.apache.pdfbox.pdmodel.encryption.SecurityHandler.encryptData(SecurityHandler.java:343)
	... 10 more

Issue Links

• duplicates: PDFBOX-2510 Getting "Error: The supplied password does not match either the owner or user password in the document." while trying to parse pdf without password in