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Secure Broadcasting Using the Secure Lock
August 1989 (vol. 15 no. 8)
pp. 929-934

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.

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Index Terms:
secure broadcasting protocols; secret key minimization; session key; secure broadcasting; secure lock; broadcast channels; satellite; radio; Chinese Remainder theorem; ciphertext; deciphering operation; secret keys; public-key cryptosystem; private-key cryptosystem; broadcasting; cryptography; protocols; telecommunication channels
Guang-Huei Chiou, Wen-Tsuen Chen, "Secure Broadcasting Using the Secure Lock," IEEE Transactions on Software Engineering, vol. 15, no. 8, pp. 929-934, Aug. 1989, doi:10.1109/32.31350
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