> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED] On
> Behalf Of Moore, Jane
> Sent: Thursday, March 01, 2007 4:57 PM
> To: Post all your questions about iText here
> Subject: [iText-questions] timestamping/certifying signature problems
>
> Hi,
>
>
>
> When I sign a .pdf with the following code and open it in
> Adobe 7.0, I have the following problems:
>
>
>
> 1) Signature date/time are from the clock on the Signer's
> computer (so the timestamping functionality isn't being applied)
>
Timestamping requires a secure and signed time source and it's out of
the scope of iText to provide that. You apply an external signature with
anything you want inside.
> 2) I can't "Show Certificate"
>
Maybe it is not there.
> 3) I get "Error during signature verification. Unknown error
> Support Information: CDSHandler-358"
>
Maybe it's the certificate.
Maybe you are providing certificates that need a custom handler in
Acrobat. Maybe...
Paulo
>
>
> #2 and #3 are directly related to when I certify the signature.
>
>
>
> rsasig = Signature.getInstance("SHA1withRSA");
>
> PdfReader reader = new PdfReader(tempbytes);
>
> FileOutputStream fout = new FileOutputStream(signedPDF);
>
> PdfStamper stp =
> PdfStamper.createSignature(reader, fout, '\0');
>
> ks = KeyStore.getInstance("Luna");
>
> ks.load(null, null);
>
> PrivateKey = PrivateKey.LocateKeyByAlias("private signing key");
>
> certChain=ks.getCertificateChain(PrivateKey.GetAlias());
>
>
>
> sap.setCrypto((java.security.PrivateKey)PrivateKey,
> certChain, null, PdfSignatureAppearance.WINCER_SIGNED );
>
> sap.setVisibleSignature(new
> com.lowagie.text.Rectangle(75, 75, 200, 200), 1, null);
>
> sap.setReason("Invoice Signature");
>
> sap.setLocation("Nike Inc.");
>
> sap.setCertified(true);
>
> stp.close();
>
>
>
> Any help would be appreciated. Thanks!
>
>
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