Re: [iText-questions] Digital Signature - Externally Signed?

2010-05-18 Thread chorpeac
Yes, I did check that article out. I am trying to sign a PDF through a website. Our IIS server has the iTextSharp library and access to the physical PDF file, but it does not have access to the user's cert and private key. From what I understand, I cannot legally create a digital signature without

Re: [iText-questions] Digital Signature - Externally Signed?

2010-05-18 Thread chorpeac
CAPICOM has a contents property (string), which will be the source data to be signed. In the examples I have seen, some text like "lorem ipsum" is assigned to the contents property. After the sign method is executed, the contents property would contain the signed data (base64 encoded). In my cas

Re: [iText-questions] Digital Signature - Externally Signed?

2010-05-18 Thread chorpeac
Thanks for your input. I am currently able to access the clients cert on the client, through the use of the CAPICOM ActiveX. It only accepts text though, so I would have to be able to hash and sign on the client, and returned the encrypted hash back to the server. Can iTextSharp accept externall

[iText-questions] Digital Signature - Externally Signed?

2010-05-17 Thread chorpeac
I need to be able to sign on the client (since no private key is on the server), and then pass the bytes to the server (where iTextSharp resides) to apply the signature. Can this be done? I checked this out http://itextpdf.sourceforge.net/howtosign.html#signextstd http://itextpdf.sourceforge.

Re: [iText-questions] .NET/iTextSharp Apply Digital Signature

2010-05-11 Thread chorpeac
Ok so we have the CAPICOM ActiveX object executing the SignData method, but now I need to see how I can incorporate that with iTextSharp. Since I have to sign the PDF with the user's private key and this is over the web, I can't use the methods described in the iTextSharp examplesor can I? Wha

[iText-questions] .NET/iTextSharp Apply Digital Signature

2010-05-10 Thread chorpeac
I've seen the http://itextpdf.sourceforge.net/howtosign.html How to sign section and we have a solution working for a windows application. Now we want to have this work on an ASP.NET project. Users log in with a smart card, and our initial impression was that we could user the ClientCertificate