A parallel acceleration method for GPU-based multi-variable cryptographic algorithms
A cryptographic algorithm and multi-variable technology, which is applied in the field of parallel acceleration of multi-variable cryptographic algorithms based on GPU, can solve problems such as low efficiency and high computational complexity of multi-variable cryptographic algorithms, and achieve the effect of improving practicability and ensuring performance
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[0041] This embodiment takes the multivariable hash function SpongeMPH as an example, and the flow process of the SpongeMPH hash function process is as follows figure 1 Shown:
[0042] a) First perform the padding operation so that the input data length is an integer multiple of the packet length
[0043] b) Circularly read the data of the packet length, and XOR with the first r*k bits of the current state, and then use the multivariable function MPE to calculate and update the value of the current state until all the data is read and the state SL is obtained
[0044] c) Call MPE again to update SL to obtain the final value S0, and finally obtain the final result through S0.
[0045]Based on this scheme, the specific implementation and performance comparison of SpongeMPH is given on the CUDA platform. According to the steps of this embodiment, a slight modification can also be used for the rapid realization of other multivariate cryptographic algorithms.
[0046] Such as ...
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