hello everyone I have a Cms in ANS1 Structure and a pdfpkcs7 object and i want to set this cms to the Pdfpkcs7 obj now i extract signature data from my cms in the cod of :
OrgBouncyCastleCmsallias.CmsSignedData attachedSignedData = new OrgBouncyCastleCmsallias.CmsSignedData(Convert.FromBase64String(CMS)); OrgBouncyCastleCmsallias.SignerInformationStore str = attachedSignedData.GetSignerInfos(); byte[] SigData = null; foreach (OrgBouncyCastleCmsallias.SignerInformation s in str.GetSigners()) SigData = s.GetSignature(); but i dont want to do this and i need to use all cms to set to the pdfpkcs7 object and my code to use pdfpkcs7 obj is here: public byte[] Sign(Stream data) { byte[] hash = DigestAlgorithms.Digest(data, "SHA1"); PdfPKCS7 sgn = new PdfPKCS7(null, chain, "SHA1", false); byte[] SigData2 = Convert.FromBase64String(SigData); sgn.SetExternalDigest(SigData2, null, "RSA"); return sgn.GetEncodedPKCS7(hash, cal, null, null, null, CryptoStandard.CMS); } -- View this message in context: http://itext-general.2136553.n4.nabble.com/Pdfpkcs7-and-ans1-in-c-tp4659589.html Sent from the iText - General mailing list archive at Nabble.com. ------------------------------------------------------------------------------ Rapidly troubleshoot problems before they affect your business. Most IT organizations don't have a clear picture of how application performance affects their revenue. With AppDynamics, you get 100% visibility into your Java,.NET, & PHP application. Start your 15-day FREE TRIAL of AppDynamics Pro! http://pubads.g.doubleclick.net/gampad/clk?id=84349831&iu=/4140/ostg.clktrk _______________________________________________ iText-questions mailing list iText-questions@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/itext-questions iText(R) is a registered trademark of 1T3XT BVBA. Many questions posted to this list can (and will) be answered with a reference to the iText book: http://www.itextpdf.com/book/ Please check the keywords list before you ask for examples: http://itextpdf.com/themes/keywords.php