rust-monty-comparison

Compare the performance of Montgomery multiplication and mulmod from num-bigint crate:

	Intel Xeon E5-2699 v4	Apple M1
num-bigint	405 ns	460 ns
monty	380 ns	264 ns

The result is used in the following paper:

@inproceedings{ICPADS21_XRSA,
 author = {Dang, Fan and Li, Lingkun and Chen, Jiajie},
 title = {{xRSA: Construct Larger Bits RSA on Low-Cost Devices}},
 year = {2021},
 publisher = {IEEE},
 address = {New York, NY, USA},
 booktitle = {{Proceedings of the 27th IEEE International Conference on Parallel and Distributed Systems}},
}