CRYPTOGRAPHIC SIGNAL PROCESSOR
Original Publication Date: 1996-May-01
Included in the Prior Art Database: 2002-Apr-12
Presented here is the idea of a Cryptographic Signal Processor (or CSP for short). The CSP is essen- tially a micro-processor which has specialized hard- ware tools that can efficiently perform many of the tasks and computations that are required by most crypto-algorithms. See figure. The advantage of a CSP is that it will be able to quickly compute crypto- algorithms (and control the entire crypto-system) with low power consumption and without the need to build any custom circuitry. Furthermore, the CSP retains the flexibility inherent to any micro-processor based device. Also, the CSP will have specific on-chip memory blocks that can be used to highten the secu- rity of the crypto-system in which it may be embedded.