crypto: Optimize computing mod inversion for Montgomery

[chfast]

[codecov[bot]]

Codecov Report

:white_check_mark: All modified and coverable lines are covered by tests. :white_check_mark: Project coverage is 81.44%. Comparing base (eeb288a) to head (192631e).

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #1359   +/-   ##
=======================================
  Coverage   81.44%   81.44%           
=======================================
  Files         152      152           
  Lines       13396    13397    +1     
  Branches     3211     3211           
=======================================
+ Hits        10910    10911    +1     
  Misses        342      342           
  Partials     2144     2144           

Flag	Coverage Δ
eest-develop	91.09% <100.00%> (+<0.01%)	:arrow_up:
eest-develop-gmp	29.33% <100.00%> (+<0.01%)	:arrow_up:
eest-legacy	15.54% <0.00%> (-0.01%)	:arrow_down:
eest-legacy-silkpre	24.61% <100.00%> (+<0.01%)	:arrow_up:
evmone-unittests	75.91% <100.00%> (+<0.01%)	:arrow_up:

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Components	Coverage Δ
core	94.40% <100.00%> (+<0.01%)	:arrow_up:
tooling	83.63% <ø> (ø)
tests	73.08% <ø> (ø)

Files with missing lines	Coverage Δ
include/evmmax/evmmax.hpp	100.00% <100.00%> (ø)

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