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SDA Releases GSM Voice-Privacy Algorithm A5/1

The Smartcard Developer Association (SDA) and two U.C. Berkeley researchers released A5/1, the "stronger" of the two GSM voice-privacy algorithms back in 1998. Continued research in the area has resulted in a number of recent (2007/2008) articles.

SDA Shows Cloning of Digital GSM Cellphones Possible

The Smartcard Developer Association (SDA) and two U.C. Berkeley researchers discovered that digital GSM cellphones are susceptible to cloning.