Thank you! On Tue, Mar 31, 2009 at 10:22 PM, Jari Ruusu <jariruusu@xxxxxxxxxxxxxxxxxxxxx> wrote: > Alon Bar-Lev wrote: >> Where does the 2^64 magic comes from? > > birthday paradox > > 2^(n/2) > > n=128, the data block size of AES > > -- > Jari Ruusu 1024R/3A220F51 5B 4B F9 BB D3 3F 52 E9 DB 1D EB E3 24 0E A9 DD > - Linux-crypto: cryptography in and on the Linux system Archive: http://mail.nl.linux.org/linux-crypto/