Cyber Security Expo
 
Security Implications of Hardware vs. Software Cryptographic Modules by Hagai Bar-El on 11/01/04

Cryptographic modules can be implemented either by hardware or by software. Whereas software implementations are known for being easier to develop and to maintain, when it comes to cryptographic modules or security-related applications in general, software implementations are significantly less secure than their hardware equivalents. The reason for this is due mostly to the fact that software solutions make use of shared memory space, are running on top of an operating system and are more fluid in terms of ease of modification.

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