Command line tool for digital signature of PDF files

It is useful for example in Batch processes, from non Java programming languages like Php, Shell scripts, etc…

You can find it in Github

BatchPDFSign is a command line to sign PDF file with a PKCS12 certificate. You need a PKCS12 certificate. It should be a .pfx file. You need a password for the .pfx A PDF file to sign.

You can create your own self signed certificate with this following 4 commands in ubuntu. Release includes this certificate with password <12345>.

openssl genrsa -aes128 -out myself.key 2048

openssl req -new -days 365 -key myself.key -out myself.csr

openssl x509 -in myself.csr -out myself.crt -req -signkey myself.key -days 365

openssl pkcs12 -export -out myself.pfx -inkey myself.key -in myself.crt

Then you can sign a PDF file with following command line.

java -jar BatchPDFSign.jar <certificate.pfx> <password> <filetosign.pdf>

With a specific output file.

java -jar BatchPDFSign.jar <certificate.pfx> <password> <filetosign.pdf> <outputfile.pdf>

For the example included in the releases.

java -jar BatchPDFSign.jar myself.pfx 12345 test.pdf

With an output file defined.

java -jar BatchPDFSign.jar myself.pfx 12345 test.pdf test-sig.pdf

That’s all folks.