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nerd77 said:Thats not that easy as it sounds. Copying a SIM card is not the same as copying a floppy disk.
The function of the SOFTWARE within a SIM card is well known and may be emulated by another (different) processor based on popular PIC or AVR chip. These cards (better: their upload code) are available at different places.
Beneath the programm code, you need some DATA stored in a sim card. Thats on one hand data like stored telephone numbers or adresses, but also som technical information about your provider, your home location network etc. Most of the data stored in a sim card is readable, and as the file system structure of a sim card is also known, you may store the information read frome one card to another card (with different processor) .
There is at least ONE kind of information which is secret and not direct accesible trough any reading routines: the "Secret " key Ki. This key will be used to authentify a mobile phone user against its netowrk operator. without knowledge of this key, you never get logged in into a network to place a call. The key will be used in a crypto algorithm namend comp-128 A38 which resides inside the card and will be processed by the processor of the card itself.
There is one exploit to read out this key. It works as follows: The cards crypto routine will be fed rxternal by some special prepared pattern sequence, and the returned crypto answer helps to identify the key Ki which might have been used to generate the answer.
As this explot is known, only a few operators still use this krypto mechanimns ("old" comp-128). Insteead of this, most operators nowadays use comp128-3 which does not have this exploit, and therefore most new mobile phone cards are no more clonable.
Nevertheless, to manage a phone book of a card, lot of software is available for small money. A few weeks ago, i bought this kind of software for my nokia fr 10 EUR (incl. a serial adapter cable for transfering the data into the mobile phone). In this meaning, you may "clone" a phone book of one card to another card.
unlving said:Hey, umm it's offtopic but luc2002 , I advise that you should change the avatar because there are -18 years old kids browsing the forum. Take me for instance!
And about the simcard -> I have the schematics of a simcard reader . I'm posting it and hope that i should get some points for this!
Any PC user interface for the SIM_SCAN above ?
Any PC user interface for the SIM_SCAN above ?
And where to download the "VP-20" or "cardmaster "?