Program writable IC card and method thereof

Details Program writable IC card and method thereof Program writable IC card and method thereof

2007-10-02

2007-10-02

Moise, Emmanuel L. (Department: 2137)

Electrical computers and digital processing systems: support

Data processing protection using cryptography

C713S168000, C380S002000

Reexamination Certificate

active

10358314

ABSTRACT:
An IC card and a method thereof for adding or changing a program for a memory for writing without adversely affecting the function of the IC card and by keeping the security of a program to be written later by restricting writing by a write control program having a decryption function or a program code conversion function

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