Distributed GNSS space division ciphering communication method
An encrypted communication and distributed technology, which is applied in the field of navigation and positioning communication, can solve the problems of complex calculation and slow speed of encryption and decryption, and achieve the effects of enhanced robustness and anti-cracking, flexible division, and rich encryption algorithms
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[0035] A distributed GNSS space encryption communication method, as attached figure 2 shown, including the following steps:
[0036] initial preparation work:
[0037] (1) The sending and receiving parties negotiate and divide the communication area according to certain scales and rules (considering factors such as the size and shape of the communication area) and number the areas.
[0038]For the convenience of explanation, it is assumed that the coverage of the distributed GNSS space-division encryption communication system is the entire earth, and the entire earth must be divided into regions in two-dimensional space. The division method can start with the prime meridian and the equator, take the longitude of 20 degrees and the latitude of 10 degrees as the span to divide the world into 18 equal parts in the longitude and latitude directions, delineate a total of 324 areas of 18*18, and then divide the 324 Each area is numbered from 1 to 324. When partitioning, each bou...
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