[iText-questions] Problem when signing PDF hash in PDF readers. Code error 0x2727

Hi, I am having trouble digitally signing a pdf hash. This is the implementation and the solution I have found, which is based on Bruno Lewagie's Digital Signatures for PDF Documents. The idea is to sign the PDF hash to avoid taking it to the client. This is the solution I have come up with: 1. An

[iText-questions] PDF multiple signatures problem

Hi, I am using an API that signs PDFs using an Aladdin token (Etoken pro Aladdin 72K) with RSA security. I am having trouble signing several PDFs in sequence using the same certificate. What I want is for the RSA key to be requested just once, as is the case with the token access password, which