Refactor KEM implementation.

[dajiaji]

No description provided.

[codecov-commenter]

Codecov Report

Merging #251 (c8c8733) into main (328ea80) will increase coverage by 0.50%.
The diff coverage is 87.57%.

@@            Coverage Diff             @@
##             main     #251      +/-   ##
==========================================
+ Coverage   95.81%   96.31%   +0.50%     
==========================================
  Files          35       35              
  Lines        2340     2309      -31     
  Branches      233      235       +2     
==========================================
- Hits         2242     2224      -18     
+ Misses         96       84      -12     
+ Partials        2        1       -1     

Flag	Coverage Δ
unittests	96.31% <87.57%> (+0.50%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files Changed	Coverage Δ
src/interfaces/kemPrimitives.ts	100.00% <ø> (ø)
src/kems/dhkemPrimitives/ec.ts	92.64% <83.19%> (+9.76%)	⬆️
src/kems/dhkemPrimitives/x25519.ts	93.90% <85.71%> (-4.40%)	⬇️
src/kems/dhkemPrimitives/x448.ts	94.00% <85.71%> (-4.34%)	⬇️
src/aeads/aesGcm.ts	100.00% <100.00%> (ø)
src/aeads/chacha20Poly1305.ts	100.00% <100.00%> (ø)
src/aeads/exportOnly.ts	100.00% <100.00%> (ø)
src/algorithm.ts	100.00% <100.00%> (+17.64%)	⬆️
src/identifiers.ts	100.00% <100.00%> (ø)
src/kdfs/hkdf.ts	98.35% <100.00%> (-0.11%)	⬇️
... and 10 more