Implements basic support for V5 keys and signatures.

[joke325]

Closes #821, #820, #26

[codecov]

Codecov Report

Merging #1093 into master will decrease coverage by 0.04%.
The diff coverage is 72.50%.

@@            Coverage Diff             @@
##           master    #1093      +/-   ##
==========================================
- Coverage   83.22%   83.18%   -0.05%     
==========================================
  Files          76       76              
  Lines       29231    29313      +82     
==========================================
+ Hits        24328    24383      +55     
- Misses       4903     4930      +27     

Impacted Files	Coverage Δ
src/librepgp/stream-key.cpp	66.78% <ø> (ø)
src/librepgp/stream-dump.cpp	74.75% <33.33%> (ø)
src/lib/crypto/signatures.cpp	65.74% <62.50%> (-1.25%)	⬇️
src/librepgp/stream-packet.cpp	76.25% <66.17%> (-0.97%)	⬇️
src/lib/fingerprint.cpp	69.38% <70.00%> (-0.62%)	⬇️
src/librepgp/stream-sig.cpp	65.63% <81.81%> (+<0.01%)	⬆️
src/lib/rnp.cpp	76.16% <100.00%> (+<0.01%)	⬆️
src/librekey/key_store_kbx.cpp	72.41% <100.00%> (+0.14%)	⬆️
src/tests/streams.cpp	98.84% <100.00%> (+0.01%)	⬆️
src/librepgp/stream-write.cpp	79.03% <0.00%> (+0.10%)	⬆️
... and 1 more

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 2a79e06...cc0b4ad. Read the comment docs.

[ronaldtse]

@joke325 is this ready to go?

[joke325]

@ronaldtse it's waiting for review

[ni4]

@ronaldtse @joke325 I would prefer to wait till the end of May (when we'll do a release for TB team) before merging in such major changes. Also it must be heavily covered with tests, checking all operations, key import/exports/generation, and so on.

[ni4]

Closing this as v5 support was merged via PR #2111