sdc/crypto/key_store.py
def get_key_for_purpose_and_type(self, purpose, key_type):
        """
        Gets a list of keys that match the purpose and key_type, and returns the first key in that list
        Note, if there are many keys that match the criteria, the one you get back will be random from that list
        :returns: A key object that matches the criteria
        """
        key = [key for key in self.keys.values() if key.purpose == purpose and key.key_type == key_type]
        try:
            return key[0]
        except IndexError:
            return None
def get_key_for_purpose_and_type(self, purpose, key_type):
        """
        Gets a list of keys that match the purpose and key_type, and returns the first key in that list
        Note, if there are many keys that match the criteria, the one you get back will be random from that list
        :returns: A key object that matches the criteria
        """
        key = [key for key in self.keys.values() if key.purpose == purpose and key.key_type == key_type]
        try:
            return key[0]
        except IndexError:
            return None
Gets a list of keys that match the purpose and key_type, and returns the first key in that list
        Note, if there are many keys that match the criteria, the one you get back will be random from that list
        :returns: A key object that matches the criteria