Ref : https://www.linode.com/docs/security/encryption/gpg-keys-to-send-encrypted-messages/#decrypt-a-message
Delete public key
gpg --delete-key aung@gmail.com
Delte private key
gpg --delete-secret-key aung@gmail.com
List key
gpg --list-keys
RealName ==> aung email==> aung@gmail.com
gpg --full-generate-key
RealName ==> thiri email==> thiri@gmail.com
gpg --gen-key
gpg --armor --output thiri_EN_PUBLIC.asc--export thiri@gmail.com
In DBS PayLah Computer
gpg --sign-key aung@gmail.com
gpg --sign-key thiri@gmail.com
gpg --output webcheckout_req.txt.gpg --encrypt --sign --armor --compress-algo zip -r thiri@gmail.com webcheckout_req.txt
gpg --output decryptMsg --decrypt webcheckout_req.txt.gpg
gpg --output webcheckout_res.txt.gpg --encrypt --sign --armor --compress-algo zip -r aung@gmail.com webcheckout_res.txt
gpg --output decryptMsg --decrypt webcheckout_res.txt.gpg