common: add sha2 and hmac.

[dajiaji]

No description provided.

[codecov-commenter]

Codecov Report

❌ Patch coverage is 42.15202% with 586 lines in your changes missing coverage. Please review.
✅ Project coverage is 75.60%. Comparing base (9ecd0ea) to head (051482e).
⚠️ Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
packages/common/src/hash/sha2.ts	54.88%	194 Missing ⚠️
packages/common/src/utils/noble.ts	15.59%	184 Missing ⚠️
packages/common/src/hash/md.ts	50.00%	78 Missing ⚠️
packages/common/src/hash/hmac.ts	10.52%	68 Missing ⚠️
packages/common/src/hash/u64.ts	52.67%	62 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #598      +/-   ##
==========================================
- Coverage   80.32%   75.60%   -4.73%     
==========================================
  Files          77       82       +5     
  Lines        7178     8191    +1013     
  Branches      595      598       +3     
==========================================
+ Hits         5766     6193     +427     
- Misses       1404     1990     +586     
  Partials        8        8              

Flag	Coverage Δ
unittests	75.60% <42.15%> (-4.73%)	⬇️

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