Match or construct a KeyLocator or certificate name.
Remarks
To match a KeyLocator or certificate name, use a ConcatPattern that contains
patterns to match the subject name, followed by a CertNamePattern at last.
The captured variable contains the whole KeyLocator or certificate name that can
be further recognized by CertNaming.parseKeyName and CertNaming.parseCertName.
Match or construct a KeyLocator or certificate name.
Remarks
To match a KeyLocator or certificate name, use a ConcatPattern that contains patterns to match the subject name, followed by a CertNamePattern at last. The captured variable contains the whole KeyLocator or certificate name that can be further recognized by CertNaming.parseKeyName and CertNaming.parseCertName.
Using the same ConcatPattern, the constructed name would be the subject name. It can be passed to @ndn/keychain!KeyChain.getSigner to find a key/certificate.