Electronic lock for better security in the form of electronic key and lock, which has in its composition of LED arrays and the detector array, controlled by a microcontroller, the separation matrix using duplex dialogue and autonomously forming a code from an array of random numbers, the code represents the virtual number that is not expressed explicitly, It can be used in various systems and devices to prevent unauthorized access to objects and regions. Code generation from an array of random numbers in conjunction with matrices allows a virtually unlimited number of versions of the code. The code changes with each activation of a key lock. Code is never transmitted from the key to the lock explicitly. The probability of a random selection of the code tends to infinitesimal size. Electronic lock has no restrictions on the number keys. The presence of the separation matrix makes it easy to organize mass production. The combination lock and key in a single device can be used in systems of recognition of "friend or foe".
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