5c98bf6724
* Allows the ceremony tool to add the `onlyContainsCACerts` flag to the
`IssuingDistributionPoint` extension[1] for CRLs.
* Add a lint to detect basic usage of this new flag.
* Add a helper function which doesn't (yet) exist in golang
x/crypto/cryptobyte named `ReadOptionalASN1BooleanWithTag` which
searches for an optional DER-encoded ASN.1 element tagged with a given
tag e.g. onlyContainsUserCerts and reports values back to the caller.
* Each revoked certificate in the CRL config is checked for is `IsCA` to
maintain conformance with RFC 5280 Section 6.3.3 b.2.iii [2].
> (iii) If the onlyContainsCACerts boolean is asserted in the
> IDP CRL extension, verify that the certificate
> includes the basic constraints extension with the cA
> boolean asserted.
Fixes https://github.com/letsencrypt/boulder/issues/7047
1. https://datatracker.ietf.org/doc/html/rfc5280#section-5.2.5
2. https://datatracker.ietf.org/doc/html/rfc5280#section-6.3.3
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| .. | ||
| lints | ||
| linter.go | ||
| linter_test.go | ||