The Performance Measurement of Cryptographic Primitives on Palm Devices

  • Authors:
  • D. Wong;H. Fuentes;A. Chan

  • Affiliations:
  • -;-;-

  • Venue:
  • ACSAC '01 Proceedings of the 17th Annual Computer Security Applications Conference
  • Year:
  • 2001

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Abstract

We developed and evaluated several cryptographic systemlibraries for Palm OS® which include stream andblock ciphers, hash functions and multiple-precision integerarithmetic operations. We noted that the encryption speedof SSC2 outperforms both ARC4 (Alleged RC4) and SEAL3.0 if the plaintext is small. On the other hand, SEAL 3.0almost doubles the speed of SSC2 when the plaintext is considerablylarge. We also observed that the optimized Rijn-daelwith 8KB of lookup tables is 4 times faster than DES.In addition, our results show that implementing the cryptographicalgorithms as system libraries does not degradetheir performance significantly. Instead, they provide greatflexibility and code management to the algorithms. Furthermore,the test results presented in this paper provide a basisfor performance estimation of cryptosystems implementedon PalmPilotTM.