lib/src/der.dart is the port of internal/der/der.go at 601e6d2, the
draft of v0.12, whose DER already differs from spec-v0.11: check, split,
content, setOfSorted and parseTime, with the texts of the reference. It
is internal, as in Go, and keeps the names of the Go package for an
import with a prefix.
parseTime reads UTCTime and GeneralizedTime in their forms of X.690
and refuses a date or a time that does not exist. It returns a DerTime,
exact to the nanosecond as Go's time.Time and unlike Dart's DateTime:
its fields and its seconds since the epoch, below 2^53.
The tests port der_test.go, with the texts that Go prints. The fuzz
target is a property over seeded mutations of its seeds and of the
signatures and tokens of security_cms.json.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
dev
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