Duba wurin da ke ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar yadda wurin yake:  Passage: A watan Oktoba na 2017, masu binciken tsaro sun gano wani rauni (wanda aka sani da ROCA) a cikin aiwatar da samar da maɓallin keɓaɓɓen RSA a cikin ɗakin karatu na cryptographic da yawancin kwakwalwan tsaro na Infineon ke amfani da shi. Rashin lafiyar yana bawa mai kai hari damar sake gina maɓallin keɓaɓɓu ta amfani da maɓallin jama'a. Duk na'urorin YubiKey 4, YubiKey 4C, da YubiKey 4 Nano a cikin sake dubawa 4.2.6 zuwa 4.3.4 sun shafa wannan rauni. Yubico ya gyara wannan batun a duk jigilar na'urorin YubiKey 4 ta hanyar canzawa zuwa wani aikin samar da maɓalli daban kuma ya ba da musayar kyauta ga duk maɓallan da abin ya shafa. Bayar da maye gurbin ya ƙare a ranar 31 ga Maris, 2019. A wasu lokuta ana iya kewaye batun ta hanyar samar da sabbin maɓallan waje na YubiKey da shigo da su zuwa na'urar.  Tambaya: a ina ne masu binciken tsaro suka sami rauni ROCA IN Oktoba 2017?
aiwatar da samar da maɓallin keɓaɓɓen RSA a cikin ɗakin karatu na cryptographic wanda yawancin kwakwalwan tsaro na Infineon ke amfani da shi