Firstdata(Linkpoint) Integration with Magento – CURL Error: 58-unable to set private key file
If you are getting this error ‘CURL Error: 58-unable to set private key file’ then check if you have downloaded the .pem file from Web services section of the firstdata? If so then that is what went wrong, and if your .pem file has name like this WS1001315297._.1.pem’ , then yes it is download from [...]

