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3G crypto a go-go
The new security protocols are based on the bits that worked well in GSM, with new stuff drafted in to fill the gaps.
"In the last few years," Janos Csirik writes, "GSM took a lot of flak for their approach to crypto algorithm design, which relied on keeping the algorithms secret. In fact, their various algorithms have been broken." Although he acknowledges that this is a point of contention, by no means resolved.
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