Returns the SHA-256 of a public key's SubjectPublicKeyInfo DER, base64url — the digest certificateSpkiThumbprint() gives the key in a certificate.
certificateSpkiThumbprint()
a node KeyObject (public, or private to take its public half)
the thumbprint
Error for a key node cannot export as SPKI
Returns the SHA-256 of a public key's SubjectPublicKeyInfo DER, base64url — the digest
certificateSpkiThumbprint()gives the key in a certificate.