Arjun Kaushal created PDFBOX-3402:
-------------------------------------
Summary: BadPaddingException while decrypting file
Key: PDFBOX-3402
URL: https://issues.apache.org/jira/browse/PDFBOX-3402
Project: PDFBox
Issue Type: Bug
Components: Crypto
Affects Versions: 2.0.1
Reporter: Arjun Kaushal
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)
----
{code:title=Decryptor.java}
String oPasswd = oPassword + OWNER_PDF_ENCRYTPION_KEY_SUFFIX;
String uPasswd = uPassword;
try {
PDDocument doc = PDDocument.load(new
FileInputStream(src));
AccessPermission ap = new AccessPermission();
ap.setCanPrint(true);
// owner password (to open the file with all
permissions) is "12345"
// user password (to open the file but with restricted
permissions, is empty here)
StandardProtectionPolicy spp = new
StandardProtectionPolicy(oPasswd, uPasswd, ap);
spp.setEncryptionKeyLength(PDF_ENCRYPTOPN_KEY_LENGTH);
spp.setPermissions(ap);
doc.protect(spp);
doc.save(dest);
doc.close();
return true;
} catch (IOException ioe) {
logger.error("Encryptor.encryptPDF ERROR IOException ",
ioe);
} catch (Exception e) {
logger.error("Encryptor.encryptPDF ERROR IOException ",
e);
}
{code}
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