Simultaneous hashing of multiple messages

@article{Gueron2012SimultaneousHO,
  title={Simultaneous hashing of multiple messages},
  author={Shay Gueron and Vlad Krasnov},
  journal={IACR Cryptology ePrint Archive},
  year={2012},
  volume={2012},
  pages={371}
}
We describe a method for efficiently hashing multiple messages of different lengths. Such computations occur in various scenarios, and one of them is when an operating system checks the integrity of its components during boot time. These tasks can gain performance by parallelizing the computations and using SIMD architectures. For such scenarios, we compare the performance of a new 4-buffers SHA-256 S-HASH implementation, to that of the standard serial hashing. Our results are measured on the 2… CONTINUE READING

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