Jesse Long created PDFBOX-3149:
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Summary: Failure to decrypt empty strings (AES 128)
Key: PDFBOX-3149
URL: https://issues.apache.org/jira/browse/PDFBOX-3149
Project: PDFBox
Issue Type: Bug
Components: Crypto, Parsing, PDModel
Affects Versions: 2.0.0
Reporter: Jesse Long
Priority: Minor
SecurityHandler fails to decrypt empty strings in a AES 128 encrypted PDF.
Strings like: <</Name ()>>
This is because it tries to read the first 16 bytes as the AES IV, failing
which it throws IOException. Solution: if you cannot read any bytes from the
stream, it is empty and so there is nothing to decrypt.
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