On Implementation Aspects of Standard Asymmetric and Symmetric Cryptographic Algorithms on TI Signal Processors

Second International Workshop on Security, Privacy and Trust in Pervasive and Ubiquitous Computing (SecPerU'06) Pub Date : 2006-06-29 DOI:10.1109/SECPERU.2006.12

M. Marković, G. Dordevic

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引用次数: 3

Abstract

In this work, possible optimization techniques for realization of asymmetrical and symmetrical standard cryptographic algorithms on assembler of Texas Instruments TMS320C54x family of digital signal processors are considered. Optimization of RSA asymmetrical, as well as IDEA and AES (Rijndael) symmetrical algorithms are evaluated. Possible optimization techniques for RSA algorithm are related to multiplication, modular reduction and RSA private key operation procedures. We have modified the original Karatsuba-Offman's algorithm and obtain a less recursive algorithm and use it for possible optimization. A cryptographic throughput and a speed of the signal processor's realization of IDEA and AES symmetrical algorithms in ECB mode are also analyzed. Besides, an optimization procedure in AES algorithm using specific tables is also discussed. Obtained results show that the TMS320C54x family of signal processors is suitable for the standard asymmetrical and symmetrical algorithms' realization

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标准非对称和对称密码算法在TI信号处理器上的实现

在这项工作中，考虑了在德州仪器TMS320C54x系列数字信号处理器汇编器上实现非对称和对称标准密码算法的可能优化技术。对RSA非对称算法、IDEA和AES (Rijndael)对称算法的优化进行了评价。RSA算法可能的优化技术涉及乘法、模约和RSA私钥操作程序。我们修改了原来的Karatsuba-Offman算法，得到了一个递归较小的算法，并将其用于可能的优化。分析了ECB模式下IDEA和AES对称算法的加密吞吐量和信号处理器的实现速度。此外，还讨论了使用特定表对AES算法进行优化的过程。结果表明，TMS320C54x系列信号处理器适用于标准的非对称和对称算法的实现

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Second International Workshop on Security, Privacy and Trust in Pervasive and Ubiquitous Computing (SecPerU'06)

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