Program writable IC card and method thereof

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

2005-08-30

2005-08-30

Vu, Kim (Department: 2135)

Electrical computers and digital processing systems: support

Data processing protection using cryptography

By stored data protection

C235S375000

Reexamination Certificate

active

06938165

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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Office Action dated Mar. 7, 2000 Japanese Patent Office.

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