| 摘要 |
FIELD: information technology. ^ SUBSTANCE: original message is distorted at the transmitting side using a pin-code P. The i-th word is mapped, where and I is the number of words in the original message, into the corresponding code Di based on a table of possible values, code Di is replaced with code DKi by shifting the code Di on a ring by a number of lines given in the pin-code P in the forward direction, the distorted message is transmitted to a communication channel, and at the receiving side, code Di is restored by shifting code DKi on a ring by a number of lines given in the pin-code P in the reverse direction, code Di is mapped into the corresponding word based on a table of possible values. ^ EFFECT: more secure information transmission. ^ 1 dwg, 2 tbl |
