The CIPF block is an important part of the tachograph. This is a way of cryptographic information protection, and it is prohibited to operate the device without it
CIPF device, which stands for cryptographic information protection facility device, is a thing in which is stored all incoming information from tachograph (speed, time of work and rest, navigation data, etc.) in an form, that cannot be edited
The CIPF unit is installed in a special compartment of the tachograph and intended only for Russian-made devices
CIPF period of service is 3 years, after which it must be replaced, since its resources are exhausted and the electronic signature certificate ceases to be valid