JWK
RFC 7517 JWK
https://openid-foundation-japan.github.io/rfc7517.ja.html
RFC 7638 JWK Thumbprint 拇印
https://openid-foundation-japan.github.io/rfc7638.ja.html
RFC 8037 EdDSAっぽい拡張
JOSEのひとつ JWS, JWEで利用する鍵のJSON形式などを定めたもの
JWA アルゴリズム
"kty" Key Type (JWA 6.1)
RSA
EC
OKP (RFC 8037) EdDSA
"use" Public Key Use
"key_ops" Key Operations
"alg" Algorithm"
"kid" Key ID
"x5u" X.509 URL
"x5c" X.509 Certificate Chain
"x5t" X.509 Certificate SHA-1 Thumbprint
"x5t#S256" X.509 Certificate SHA-256 Thumbprint
5. JWK Set Format