| 摘要 |
A composite electronic card device is disclosed, comprising an erasable nonvolatile memory, a random access memory (RAM) . . . , CPU, cryptographic module and other electronic components. Through different cryptographic algorithms, different security application systems may arrange and configure different application program or data block required and application software, keys, password, key authentication an personal data may be written into the arranged application program or data blocks. As such, the different security applications systems may be accessed by the single composite electronic card device.
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