: Using a "collision attack" to find the Ki (Authentication Key) of older COMP128v1 SIM cards.

: Most modern SIM cards use COMP128v2 or v3 encryption, which are not vulnerable to the collision attacks used by this software.

: It is one of the few tools capable of extracting these encrypted keys from first-generation GSM cards.

: Evaluating whether a card is vulnerable to cloning or extraction. Key Features of the Software

If you are using the software for legitimate research or forensic purposes:

: Ensure your SIM reader is compatible with the "Phoenix" interface commonly required by legacy GSM tools.