javacard reset code

heycan someone tell me the code to reset a javacard appletthanks

[85 byte] By [big_skya] at [2007-10-3 7:32:41]

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# 1

Or if anyone could provide information as to where we might find information on reseting a java card (with java code) that would be very nice.Thanks

wepooa at 2007-7-15 2:32:30 >

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# 2

Resetting a JavaCard applet

Just delete the instance (but not the applet) and re-install it. These actions can be performed by GlobalPlatform commands delete (on the instance AID) and install.

Resetting a javacard

I am not completely sure but I don't think a JavaCard has a "reset switch" which resets it back to it's original state (whatever state you design as original). If you are in possession of the key(s) for using the card manager, you can delete all installed applet-instances, applets, packages and security domains. That would come close to a "reset of the java card".

Jan

JPJavaa at 2007-7-15 2:32:30 >

# 3

I suspect the original question here was about how an applet itself can trigger a power cycle of the javacard (i.e. a reset of the comms link between the reader and the card) rather than how to delete the applet from the javacard.

In any case, I'm personally interested in whether there is a way for an applet to make a software call to trigger a reset of the card it is running on. I can't see anything in the specs to facilitate this, but I'd find it hard to imagine that it couldn't be done. Does anybody know how to perform this function?

JLiza at 2007-7-15 2:32:30 >

# 4

The Java Card Virtual Machine is always running. There is no specified reset switch.

lexdabeara at 2007-7-15 2:32:30 >

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javacard reset code

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