Execute the nssdb in same directory where CCAIndia2022.cer,libcastle_v2.so.1.0.0,HyperPKIManger is present
Execute nssbd.sh with command below.

bash nssbd.sh

If you are Ubuntu User then just open redist folder/directory and right click and select open terminal here.

After Execution complete you will get the instruction to configure nssdb path in LibreOffice.

Signing document with Libreoffice refer the Page 15 on below URL : 
https://www.hypersecu.com/_files/ugd/5aae8d_952a62b8ee024d94ac1cc290ffd2417f.pdf

For technical assistance call us on our heldpesk number 07126638888 or write us on pkisupport@charteredinfo.com





