https://apache.googlesource.com/pdfbox/+/trunk/examples/src/main/java/org/apache/pdfbox/examples/signature/ShowSignature.java
I am using 2.0.23 and Preflight 2.0.23. It is possible to sign a document and then change a field (check or uncheck a checkbox for example). I want to either a. make it impossible to change a value after even one signature has been given or b. find out which field was altered after signature . How can I do that? I do not think ShowSignature can do that. --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]

