| 摘要 |
An information apparatus includes a first bus which transfers a non-encrypted transaction containing an address, a second bus connected to an outside of the information apparatus, and a bridge circuit connected between the first and second buses, the bridge circuit including a first controller which determines whether an address contained in the non-encrypted transaction transferred through the first bus falls within a first particular address range, and which prevents the non-encrypted transaction from being transmitted to the second bus, if the address falls within the first particular address range.
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