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Secure broadcasting using the secure lock

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2 Author(s)
Guang-Huei Chiou ; Inst. of Comput. Sci., Nat. Tsing-Hua Univ., Hsinchu, Taiwan ; Wen-Tsuen Chen

The authors discuss secure broadcasting, effected by means of a secure lock, on broadcast channels, such as satellite, radio, etc. This lock is implemented by using the Chinese Remainder theorem (CRT). The secure lock offers the following advantages: only one copy of the ciphertext is sent; the deciphering operation is efficient; and the number of secret keys held by each user is minimized. Protocols for secure broadcasting using the secure lock, based on the public-key cryptosystem as well as the private-key cryptosystem, are presented

Published in:

Software Engineering, IEEE Transactions on  (Volume:15 ,  Issue: 8 )