fix: always use buffer in hash calculation

[alexander-akait]

fixes #163

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 93.25%. Comparing base (016358f) to head (f05bd40).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #164      +/-   ##
==========================================
+ Coverage   93.07%   93.25%   +0.17%     
==========================================
  Files          24       24              
  Lines        1835     1823      -12     
  Branches      596      584      -12     
==========================================
- Hits         1708     1700       -8     
+ Misses        118      114       -4     
  Partials        9        9              

Flag	Coverage Δ
integration	93.25% <100.00%> (+0.17%)	⬆️

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