2 ms·
Note that this applies to A5/2; the stronger A5/1 took much longer to break, and this is an attack on A5/3 which was backported from 3G (UMTS) to GSM/GPRS.
by Sesse__ 2y ago
Note that this applies to A5/2; the stronger A5/1 took much longer to break, and this is an attack on A5/3 which was backported from 3G (UMTS) to GSM/GPRS.
- ttyprintk 2y agoBut A5/2 and 1 shared the same key generation, leading to an attack replaying the recorded, encrypted stream.