feat: access control android

[juliansteenbakker]

Adds biometric control for keystore access on Android

Fixes #615

[codecov-commenter]

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Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 61.48%. Comparing base (29dae72) to head (8dc4125).

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Additional details and impacted files

@@           Coverage Diff            @@
##           develop     #878   +/-   ##
========================================
  Coverage    61.48%   61.48%           
========================================
  Files            9        9           
  Lines          148      148           
========================================
  Hits            91       91           
  Misses          57       57           

Flag	Coverage Δ
unittests	61.48% <ø> (ø)

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[Kun19]

Hi,

please see #615 (comment) for a security improvement.

[juliansteenbakker]

please see #615 (comment) for a security improvement.

Thanks for the headsup, i'm going to implement the changes that the blogpost suggested.