I'm implementing PDF signatures using iText + BouncyCastle (a Java Cryptography API, www.bouncycastle.org).
Cool!
Up to the moment I have made a procedure to validate detached PKCS#7 signatures (/Filter /Adobe.PPKLite /SubFilter /adbe.pkcs7.detached).
Great start!
Also I have made a program to sign a document but, although I could verify the signature with my procedure, it fails with Acrobat and Acrobat Reader (vers. 5 and 6), with the error message "SigDict /Contents illegal data".
Sounds like you are putting the wrong kind of data in that dictionary then...Have you compared it to what Acrobat itself puts in? Have you compared dictionaries between you and Acrobat?
Leonard --------------------------------------------------------------------------- Leonard Rosenthol <mailto:[EMAIL PROTECTED]> Chief Technical Officer <http://www.pdfsages.com> PDF Sages, Inc. 215-629-3700 (voice) 215-629-0789 (fax)
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