Re: [iText-questions] Protect the PDF with digital signature in Android sample

Hello, Ok I understand you. I test SpongyCastle but the problem is the same so ... I download the suggested trial version of itextgoogle-5.4.0.jar and the same error. I install itextgoogle-5.4.0.jar package, I load the license file itextkey.xml and I have the same error. Do I need to use spongy c

[iText-questions] Protect the PDF with digital signature in Android sample

Hello all, I see in Chapter 12 "Protecting your PDF" the sample who shows how to protect the PDF. As I see, it's a Java sample but not for Android (or nor working for me ;)). I try to create an Android Activity who protects the PDF with a digital signature but the result is always an except