EdDSA (Ed25519/Ed448)

[jschlyter]

Add support for EdDSA with Ed25519 and Ed448. Basic JWK support for X25519 and X448 also included.

[jschlyter]

Some eyes on this from @rohe would be useful.

[codecov-commenter]

Codecov Report

Merging #142 (cb12605) into main (8cb2034) will decrease coverage by 0.94%.
The diff coverage is 61.17%.

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@@            Coverage Diff             @@
##             main     #142      +/-   ##
==========================================
- Coverage   77.44%   76.50%   -0.94%     
==========================================
  Files          42       44       +2     
  Lines        4362     4694     +332     
  Branches      982      980       -2     
==========================================
+ Hits         3378     3591     +213     
- Misses        717      808      +91     
- Partials      267      295      +28     

Impacted Files	Coverage Δ
src/cryptojwt/tools/keygen.py	0.00% <0.00%> (ø)
src/cryptojwt/tools/keyconv.py	41.04% <28.57%> (-1.46%)	⬇️
src/cryptojwt/key_bundle.py	77.67% <35.48%> (-1.14%)	⬇️
src/cryptojwt/utils.py	75.23% <55.22%> (-7.08%)	⬇️
src/cryptojwt/jwk/okp.py	68.39% <68.39%> (ø)
src/cryptojwt/jwk/jwk.py	79.85% <72.72%> (-0.49%)	⬇️
src/cryptojwt/jws/eddsa.py	80.00% <80.00%> (ø)
src/cryptojwt/exception.py	98.18% <100.00%> (+0.06%)	⬆️
src/cryptojwt/jws/jws.py	80.95% <100.00%> (+0.07%)	⬆️
src/cryptojwt/jws/utils.py	82.92% <100.00%> (+0.87%)	⬆️

... and 1 file with indirect coverage changes