| 摘要 |
FIELD: computer engineering. SUBSTANCE: device has code setting unit 1, register 2, 3, OR gates group 4, AND gates groups 5, 6, delay gates 7, registers 8, OR gates 9, generator 10, AND gates groups 11, delay gates 12, password conversion unit 13, conversion control unit 14, AND gates group 15, register 16, AND gate 17, comparison OR gate circuit 18, AND gates group 19, pulse generator 20, comparison circuit 21, delay gate 22, register 23, password memory unit 24, signal input 25, groups of inputs 26, 27, 28, access denial signal output 29, access permission signal output 30, internal connections 31-38. Device may be used for authorization of access of persons to computing and information resources of computer network. EFFECT: increased reliability of protection due to increased complexity of non-authorized access. |
