E-Invoice Public Keys for verification of signed content

Production
IRN Generation Period Public Key(.pem) and Certificate(.cer)
05/08/2020 - 11/09/2020 einvpublickey1
11/09/2020 - 28/09/2020 einvpublickey2
28/09/2020 - 16/09/2022 einvpublickey3
16/09/2022 - Till Date einvpublickey4 new gif
Sandbox
IRN Generation Period Public Key(.pem) and Certificate(.cer)
05/08/2020 - 18/09/2020 einvpublickey1
18/09/2020 - Till Date einvpublickey2