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Publicada la versió 1.7.8 de l'eina John the Ripper, per a la realització d'atacs de força bruta contra les contrasenyes dels sistemes Windows. La nova versió incorpora un nou mecanisme d'expressions de substitució (s-box) DES:

Speaking of gate counts, the new S-box expressions offer a 17% improvement over the corresponding previous best results (which we've been using in John the Ripper so far). Specifically, for the instruction set of typical x86 CPUs (MMX, SSE2, AVX), Matthew Kwan's S-box expressions (generated in 1998) required an average of 53.375 gates per S-box (XNOR gates had to be substituted with pairs of other gates). Roman's S-box expressions need only 44.125 gates per S-box. Similarly, for CPUs/GPUs with "bit select" instructions (Cell, PowerPC with AltiVec, AMD XOP, high-end ATI GPUs), the previous best result by Dango-Chu was 39.875 gates. This is now improved to 32.875.