| 摘要 |
PROBLEM TO BE SOLVED: To provide an encryption apparatus for reducing the amount of scrap of received data and preventing the capacity of the whole network from being reduced. SOLUTION: The encryption apparatus comprises a receiving section 1 for receiving data from the outside, a transmitting section 2 for transmitting the data to the outside, an encryption control section 5 for making a judgment whether the encrypting of the data received from the receiving section is necessary or not based on the address from which the data is transmitted or the address to which the data is transmitted, an encryption section 6 for encrypting the data, which the encryption section 5 judges to be encrypted, by the use of one encryption mode of a plurality of encryption modes and for outputting the encrypted data to the transmitting section 2, and a load control section 7 for monitoring the encrypting load of the encryption section 6 and changing the encryption mode of the encryption section 6 according to the encrypting load.
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