3 ms·
AFAIK, sim cards are basically storage devices. When did they get CPUs?
by _vn5r 11y ago
AFAIK, sim cards are basically storage devices. When did they get CPUs?
- blackguardx 11y agoI think in the 90s. Check out: https://en.wikipedia.org/wiki/Universal_Integrated_Circuit_Card https://en.wikipedia.org/wiki/Universal_Integrated_Circuit_C...
- kw71 11y agoThey have always had CPUs. Just like most other types of ISO7816 cards, including any that have any kind of pin protection for the data stored within.
- effie 11y agoMore on this little computer: http://www.gemalto.com/techno/sim/ http://www.gemalto.com/techno/sim/
- _vn5r 11y agoWow, thanks!
- slasaus 11y agoAnd on the Gemalto sim-card hack by the NSA and GCHQ: https://theintercept.com/2015/02/25/gemalto-doesnt-know-doesnt-know/ https://theintercept.com/2015/02/25/gemalto-doesnt-know-does... "In the secret documents, provided by NSA whistleblower Edward Snowden, the intelligence agencies described a successful effort to obtain secret encryption keys used to protect hundreds of millions of mobile devices across the globe."