unable to authenticate with openssl certificate for service management

[webciter]

Message: Fail: Code: 403 Value: Forbidden details (if any): ForbiddenErrorThe server failed to authenticate the request. Verify that the certificate is valid and is associated with this subscription.., In File: laravel/vendor/microsoft/windowsazure/src/Common/Internal/Http/HttpClient.php, On Line: 405

openssl req -x509 -nodes -days 365 -newkey rsa:1024 -keyout mycert.pem -out mycert.pem
openssl x509 -inform pem -in mycert.pem -outform der -out mycert.cer