Michael,
Thanks for your response. Please pardon my ignorance, but what is the
document ID and how can I retrieve it?
It seems that PdfEncryption.java has a createDocumentId() method that builds
the document ID from some semi-random elements:
public static byte[] createDocumentId() {
MessageDigest md5;
try {
md5 = MessageDigest.getInstance("MD5");
} catch (Exception e) {
throw new ExceptionConverter(e);
}
long time = System.currentTimeMillis();
long mem = Runtime.getRuntime().freeMemory();
String s = time + "+" + mem + "+" + (seq++);
return md5.digest(s.getBytes());
}
Anyway, here is an example file, generated by Documaker, that I am working
with.
mkl wrote:
>
> msinatl,
>
>
> msinatl wrote:
>> I've got a problem using iText to digitally sign a PDF. The Groovy
>> script below works fine with a test PDF I created in Acrobat Pro 7.0.
>> But when I run it on a PDF produced by my production document system
>> (Oracle Documaker), I get this exception:
>>
>> java.lang.ArrayIndexOutOfBoundsException: 2
>> at
>> com.itextpdf.text.pdf.PdfEncryption.createInfoId(PdfEncryption.java:401)
>>
>> I'm using iText 5.0.2, JDK 1.6, and Groovy 1.5.6.
>
> At PdfEncryption.java:401 iText creates the literal representation of a
> document ID from a byte[] representation. iText stumbles as the byte[]
> parameter is merely 2 bytes long, not 16 as expected. You might want to
> look at the ID in your source document.
>
> (Ok, the code of createInfoId might be made more fool-proof by checking
> the byte[] parameter, but for valid PDFs the assumptions implicitely made
> here are correct.)
>
> If that ID looks ok in your document, please forward that document (or any
> other one making that issue reproducible) for inspection.
>
> Regards, Michael.
>
http://old.nabble.com/file/p28472754/74AA0C69-01F4-4114-6A2D-81D7E7101480-0-IDS-1-BLP.PDF
74AA0C69-01F4-4114-6A2D-81D7E7101480-0-IDS-1-BLP.PDF
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