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vmac
VMAC is a block cipher-based message authentication code (MAC) algorithm using a universal hash proposed by Ted Krovetz and Wei Dai in April 2007. The algorithm was designed for high performance backed by a formal analysis.VMAC is designed to have exceptional performance in software on 64-bit CPU architectures while still performing well on 32-bit architectures. Measured speeds are as fast as one-half CPU cycle per byte (cpb) on 64-bit architectures, under five cpb on desktop 32-bit processors, and around ten cpb on embedded 32-bit architectures. A closely related variant of VMAC that is optimized for 32-bit architectures is given by UMAC.
This is a brand new, never fired Vmac9. It is a semi-auto closed bolt copy of a MAC-11 that accepts Sten magazines. Very fun gun to shoot. "Primal" would be how I explain the experience. If you can shoot well with this, you can shoot anything well. Includes one polymer magazine and a Plano case...
Hello, I’m looking to trade an early model CZ 75B, with safety and no decocker, for a VMAC9-100 top charging MAC-10 clone. I’ve replaced the grips with wood ones, but I’ll include the originals. Thank you.