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,

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[iText-questions] Exception during verification of PDF.

Khurram Saleem

2007-07-11