jwk2pubkey function
Jwk から pubJwk を取り出す
Implementation
String jwk2pubkey({required String jwk}) {
final json = jsonDecode(jwk);
final fullJwk = JsonWebKey.fromJson(json);
final keyPair = fullJwk.cryptoKeyPair;
final pubJwk = JsonWebKey.fromCryptoKeys(publicKey: keyPair.publicKey);
final pubJwkStr = jsonEncode(pubJwk);
return pubJwkStr;
}