That's sha256WithRSAEncryption and it may ne be supported (yet). Please
post a link to the PDF.
Paulo
> -----Original Message-----
> From: itext-questions-bounces@(protected)
> [mailto:itext-questions-bounces@(protected)
> Behalf Of Khurram Saleem
> Sent: Wednesday, July 11, 2007 2:50 PM
> To: itext-questions@(protected)
> Subject: [iText-questions] Exception during verification of PDF.
>
>
>
> Hi,
>
>
>
> I'm having an exception during verification of PDF signed by
> Adobe Acrobat 8.0. I'm using JDK1.5.0_06 and iText2.0.
>
>
>
> The exception is as follows:
>
>
>
> ExceptionConverter:
java.security.NoSuchAlgorithmException:
> SHA1with1.2.840.113549.1.1.11 Signature not available
>
> at
java.security.Signature.getInstance (
Signature.java:208)
>
> at com.lowagie.text.pdf.PdfPKCS7.<init>(PdfPKCS7.java:326)
>
> at
>
com.lowagie.text.pdf.AcroFields.verifySignature (
AcroFields.java:1739)
>
> at
>
com.lowagie.text.pdf.AcroFields.verifySignature (
AcroFields.java:1695)
>
>
>
> Please guide me in this regard as I'm successful to verify
> PDF, signed with older version of Adobe Acrobat e.g. 7.x, 6.x and 5.x.
>
>
>
> Regards,
>
> KS
>
>
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