New crypto backend

[franziskuskiefer]

• [x] decide handling of algorithm identifiers
• [x] fix arm32 ci (or remove)

[codecov[bot]]

Codecov Report

Merging #26 (a8b4cf3) into main (94c7f7c) will decrease coverage by 4.87%. The diff coverage is 48.12%.

@@            Coverage Diff             @@
##             main      #26      +/-   ##
==========================================
- Coverage   83.21%   78.34%   -4.88%     
==========================================
  Files          12       15       +3     
  Lines         995     1076      +81     
==========================================
+ Hits          828      843      +15     
- Misses        167      233      +66     

Impacted Files	Coverage Δ
src/aead.rs	74.35% <ø> (ø)
src/aead/rust_crypto.rs	0.00% <0.00%> (ø)
src/dh_kem/rust_crypto.rs	0.00% <0.00%> (ø)
src/dh_kem/evercrypt.rs	56.25% <56.25%> (ø)
src/dh_kem.rs	79.79% <62.50%> (+0.75%)	:arrow_up:
src/aead/evercrypt.rs	71.42% <66.66%> (ø)
src/lib.rs	61.35% <66.66%> (-0.50%)	:arrow_down:
src/util.rs	94.44% <80.00%> (-5.56%)	:arrow_down:
src/hkdf/evercrypt.rs	90.90% <90.90%> (ø)
src/kdf.rs	84.37% <100.00%> (ø)
... and 8 more