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Security
JWK Thumbprint (RFC 7638)
Compute the canonical JWK thumbprint per RFC 7638 using SHA-256, useful as a deterministic key id (kid).
JSON canônico (RFC 7638)
SHA-256 thumbprint (hex)
SHA-256 thumbprint (base64url)
Spec: RFC 7638 — campos requeridos por kty: RSA→e,kty,n; EC→crv,kty,x,y; oct→k,kty; OKP→crv,kty,x.
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