Daniel Woelfel created PDFBOX-2936:
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Summary: javax.crypto.BadPaddingException: Given final block not
properly padded
Key: PDFBOX-2936
URL: https://issues.apache.org/jira/browse/PDFBOX-2936
Project: PDFBox
Issue Type: Bug
Affects Versions: 1.8.10
Environment: java version "1.8.0_25"
Java(TM) SE Runtime Environment (build 1.8.0_25-b17)
Java HotSpot(TM) 64-Bit Server VM (build 25.25-b02, mixed mode)
Reporter: Daniel Woelfel
I get the following stack trace when trying to parse certain pdfs:
{noformat}
org.apache.pdfbox.preflight.exception.SyntaxValidationException
at
org.apache.pdfbox.preflight.parser.PreflightParser.parse(PreflightParser.java:203)
at
org.apache.pdfbox.preflight.parser.PreflightParser.parse(PreflightParser.java:180)
at
org.apache.pdfbox.preflight.parser.PreflightParser.parse(PreflightParser.java:168)
at PDFBoxTest.main(hello.java:11)
Caused by: org.apache.pdfbox.exceptions.WrappedIOException
at
org.apache.pdfbox.pdmodel.encryption.SecurityHandler.encryptData(SecurityHandler.java:376)
at
org.apache.pdfbox.pdmodel.encryption.SecurityHandler.decryptString(SecurityHandler.java:578)
at
org.apache.pdfbox.pdfparser.NonSequentialPDFParser.decryptString(NonSequentialPDFParser.java:1571)
at
org.apache.pdfbox.pdfparser.NonSequentialPDFParser.decryptDictionary(NonSequentialPDFParser.java:1535)
at
org.apache.pdfbox.pdfparser.NonSequentialPDFParser.decrypt(NonSequentialPDFParser.java:1596)
at
org.apache.pdfbox.preflight.parser.PreflightParser.parseObjectDynamically(PreflightParser.java:797)
at
org.apache.pdfbox.pdfparser.NonSequentialPDFParser.parseObjectDynamically(NonSequentialPDFParser.java:1343)
at
org.apache.pdfbox.preflight.parser.PreflightParser.initialParse(PreflightParser.java:273)
at
org.apache.pdfbox.pdfparser.NonSequentialPDFParser.parse(NonSequentialPDFParser.java:886)
at
org.apache.pdfbox.preflight.parser.PreflightParser.parse(PreflightParser.java:198)
... 3 more
Caused by: javax.crypto.BadPaddingException: Given final block not properly
padded
at com.sun.crypto.provider.CipherCore.doFinal(CipherCore.java:966)
at com.sun.crypto.provider.CipherCore.doFinal(CipherCore.java:824)
at com.sun.crypto.provider.AESCipher.engineDoFinal(AESCipher.java:436)
at javax.crypto.Cipher.doFinal(Cipher.java:2004)
at
org.apache.pdfbox.pdmodel.encryption.SecurityHandler.encryptData(SecurityHandler.java:352)
... 12 more
{noformat}
The parsing code looks something like:
{noformat}
FileDataSource fd = new FileDataSource("i-129.pdf");
PreflightParser parser = new PreflightParser(fd);
parser.parse();
{noformat}
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