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Content: An accountancy practice http://conankun.net/page/53/ vermox australia In an experiment, SRL sent an improperly signed binary SMS to a target device using a SIM encoded with DES, which was not executed by the SIM because of a signature verification failure. However, while rejecting the code, the SIM responded with an error code that contained the device's cryptographic signature, a 56-bit private key. It was then possible to decrypt the key using common cracking techniques.

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