text: import datetime
  import hashlib
  from nibss.utils import crypt as crypting
  
  
  class Nibss:
      def __init__(self, params):
          self.url = params["base_url"]
          self.key = params["sandbox-key"]
          self.content_type = params["content-type"]
          self.accept = params["accept"]
          self.code = crypting.Crypt().hash(params["Organizationcode"])
          self.sign_meth = 'SHA256'
          auth_string = params["username"] + ':' + params["password"]
          self.auth_header = crypting.Crypt().hash(auth_string)
          datenow = str(datetime.date.today()).split('-')
          date = ''.join(datenow)
          signature_string = params["username"] + str(date) + params["password"]
          self.sign_header = hashlib.sha256(signature_string.encode('utf-8')).hexdigest()
  
          self.headers = {
              "OrganisationCode": self.code,
              "Sandbox-Key": self.key,
              "Authorization": self.auth_header,
              "SIGNATURE": self.sign_header,
              "SIGNATURE_METH": self.sign_meth,
              "Content-Type": self.content_type,
              "Accept": self.accept
          }
          self.header = {
              "OrganisationCode": self.code,
              "Sandbox-Key": self.key
          }