Alexander Motin f2831a952d Avoid 256 integer divisions per rc4_init() call. Replace it with using ... separate index variable. It gives more then double rc4_init() performance increase on tested i386 P4. It also gives about 15% speedup to PPTP VPN with stateless MPPE encryption (by ng_mppc) which calls rc4_init() for every packet.		2008-12-16 13:58:37 +00:00
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rc4.c
rc4.h