| 摘要 |
The device includes a communications controller (162), a microprocessor (164 ), a ROM/RAM memory (166), an input/output circuit (168), a cryptographic engine (170), and a communications controller (172) a ll connected to a microprocessor bus (184). In addition, the device includes a modem or network interface (160), a smartcard interface (178), a keypad/display controller (176), and a communications port interface (174). The device is portable, it encrypts and authenticates data communications.
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