Locking physical memory (RAM) under Windows
SCNSM 1.0 Beta, a non-swappable memory allocator for Windows 3.x/95/98, is available and can be downloaded from http://soundcode.com/content/download/products/scnsm/default.htm (docs) http://soundcode.com/content/download/products/scnsm/scnsm10b.zip (source) The SCNSM driver supports allocation of non-swappable memory on Windows 3.x/95/98. The principal design goal of SCNSM is to provide memory that will not be swapped to disk, under any circumstances. Typically, security applications require such memory to store private keys, passwords, and sensitive intermediate results of cryptographic calculations. SCNSM uses the same technique as allocating DMA buffers for hardware device transfers. The idea being that Windows doesn't swap DMA buffers and therefore won't swap this buffer either. The SCNSM source-code is copyrighted freeware. The intent here is to end the perennial nuisance of having sensitive security data swapped to disk which undermines the public's confidence in commercial security products. Please send any questions or bugs to me or support@soundcode.com. Jim ================ Jim Adler Soundcode, Inc. www.soundcode.com
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Jim Adler