Nonvoting Authority implementation shares s11n.Document's
VerifyAndParseDocument, so this field ...

this verifies the signed payload, which makes the Epoch field redundant

fixes a rather critical security vulnerability

fixes 2 cases where only the first authority is used to verify the
document.

this shouldn't happen but somehow does.
see also: https://github.com/katzenpost/authority/issues...

the cfg.Authorities excludes the current authority, hence +1

adds a notice when consensus is made, and signed by whom
adds base64 encoded sha256sum of votes ...

store the consensus certifcate from each peer and compute consensus
by trying to add the signatu...

rather than just testing if a document was signed by our key, verify
that it was a valid consensus.

panic at nil ptr doc.Epoch, err should be checked.

If there already exists a valid consensus (i.e. this authority just
restarted) stop trying to pa...

Places the fetch-prior-consensus into backgroundFetchConsensus and call when
transitioning from ...

If the bootstrapping authority does not have a prior consensus, it will
try to fetch one from th...