Why is my decript button inactive for cas4 · Microtronik Autohex II and Hexprog forum

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Willisodhiambo
96.8% (Exalted)
Advanced Member Topic Starter

2019-08-12T17:01:02Z

I have read cas4 eeprom, i go to edit, try decript with key and also dme isn but decrypt button stays inactive. Any ideas why?

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Willisodhiambo
96.8% (Exalted)
Advanced Member Topic Starter

2019-08-13T03:14:35Z

I think it is because ews5 is inactive? Meaning isn is not encrypted? I compred cas isn and dme isn, exactly the same. So it means sk in this case is just a useless field?

Autohex_II_BMW
100% (Exalted)
Advanced Member

2019-08-17T08:03:39Z

Originally Posted by: Willisodhiambo

I have read cas4 eeprom, i go to edit, try decript with key and also dme isn but decrypt button stays inactive. Any ideas why?

cas4+ we cannot get ISN,only supported CAS4(EWS5 NOT ACTIVE) for ISN.