Loading internal applications on a smartcard

Registers – Records – Conductive

Reexamination Certificate

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Details

C235S380000, C365S185330, C711S100000

Reexamination Certificate

active

11171187

ABSTRACT:
Portable smartcard devices, methods of executing program code using smartcard devices, and computer readable storage media including instructions for smartcard devices are provided. According to some embodiments, the presently disclosed smartcard device includes an interface for presenting smartcard functionality to a host system and for receiving a program execution command from the host system, non-volatile memory, executable memory, a copying mechanism such as an internal copying mechanism for copying program code from the non-volatile memory to the executable memory, and a program execution mechanism for executing the program code. Appropriate interfaces include but are not limited to ISO 7816 compatible interfaces, USB interfaces, and MMC interfaces. In some embodiments, the smartcard functionality includes SIM functionality and/or USIM functionality. Optionally, execution of the program code commences when only a portion of the copied executable code resides in the executable memory. A method of delivering pre-loaded protected executable code to smartcard users is disclosed.

REFERENCES:
patent: 6513719 (2003-02-01), Imura
patent: 6581843 (2003-06-01), Nobukata
patent: 7099190 (2006-08-01), Noguchi et al.
patent: 2005/0210287 (2005-09-01), Paatero
Yim et al. (“A Flash compression Layer for SamrtMedia Card System”, IEEE Transactions on Comsumer Electronics, vol. 50, No. 1, pp. 192-197, Feb. 2004).

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