refactor: improve crypto exceptions

[overcat]

Since the latest ledger-app-builder image failed CI, I locked it to sha-d864950, and I will update it in another PR.

[codecov-commenter]

Codecov Report

Base: 77.72% // Head: 77.72% // No change to project coverage 👍

Coverage data is based on head (376baf1) compared to base (15067bb).
Patch has no changes to coverable lines.

Additional details and impacted files

@@           Coverage Diff            @@
##           develop      #47   +/-   ##
========================================
  Coverage    77.72%   77.72%           
========================================
  Files           12       12           
  Lines         2352     2352           
========================================
  Hits          1828     1828           
  Misses         524      524           

Flag	Coverage Δ
unittests	77.72% <ø> (ø)

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