Distributed key-based encryption system

摘要

A distributed key-based encryption system comprises a sending side and a receiving side. The sending side comprises a key-data generation unit, an encryption unit, a first wireless-transfer unit, and a second wireless-transfer unit. The receiving side comprises a third wireless-transfer unit, a fourth wireless-transfer unit, and a decryption unit. The communication between the second wireless-transfer unit and the fourth wireless-transfer unit is directional.

主权项

1. A distributed key-based encryption system adapted for wireless sensor network; the distributed key-based encryption system comprising a sending side and a receiving side, wherein:
the sending side comprises: a key-data generation unit generating at least one key data; an encryption unit generating an encryption data according to a data and the key data; a first wireless-transfer unit, which is coupled to the encryption unit and transfers one of the encryption data and the key data; and a second wireless-transfer unit, which is coupled to the encryption unit and transfers the other one of the encryption data and the key data; and the receiving side comprises: a third wireless-transfer unit receiving one of the encryption data and the key data transferred by the first wireless-transfer unit; a fourth wireless-transfer unit receiving the other one of the encryption data and the key data transferred by the first wireless-transfer unit; and a decryption unit, which is coupled to the third wireless-transfer unit and the fourth wireless-transfer unit, and decrypts and reproduces the encryption data into the data according to the encryption data and the key data, wherein a data length of the key data corresponds to a data length of the data;communication between the second wireless-transfer unit and the fourth wireless-transfer unit is directional.