After all the Signature component has been set, merchant can now generate it:
1.
Arrange the signature components to one component and its value per line by adding escape character. Don't add at the end of the string. Sample of the raw format:
This is how merchant see it:
2.
Calculate HMAC-SHA256 base64 from all the components above using the Secret Key from DOKU Back Office
3.
Put encoded value and prepend HMACSHA256= to the Signature. Sample:
