Cryptography – Cryptanalysis
Patent
1996-06-26
2000-06-20
Oen, William
Cryptography
Cryptanalysis
380 4, H04K 102, H04L 900
Patent
active
060786639
ABSTRACT:
A communication device according to the present invention comprises an enciphering transmitter for enciphering data and transmitting enciphered data, a counter for obtaining a count of a quantity of enciphered data, and an accounting circuit for calculating, in accordance with the count held by the counter, an amount to charge a user for the data.
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Canon Kabushiki Kaisha
Clark Robin
Oen William
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