org.keycloak.jose.jws.crypto.RSAProvider クラス

org.keycloak.jose.jws.crypto.RSAProvider の継承関係図

org.keycloak.jose.jws.crypto.RSAProvider 連携図

公開メンバ関数
boolean	verify (JWSInput input, String key)

静的公開メンバ関数
static String	getJavaAlgorithm (Algorithm alg)
static Signature	getSignature (Algorithm alg)
static byte []	sign (byte[] data, Algorithm algorithm, PrivateKey privateKey)
static boolean	verifyViaCertificate (JWSInput input, String cert)
static boolean	verify (JWSInput input, PublicKey publicKey)

詳解

著者

Bill Burke

バージョン

Revision

1

関数詳解

getJavaAlgorithm()

static String org.keycloak.jose.jws.crypto.RSAProvider.getJavaAlgorithm ( Algorithm  alg )

inlinestatic

                                                         {
        switch (alg) {
            case RS256:
                return "SHA256withRSA";
            case RS384:
                return "SHA384withRSA";
            case RS512:
                return "SHA512withRSA";
            default:
                throw new IllegalArgumentException("Not an RSA Algorithm");
        }
    }

getSignature()

static Signature org.keycloak.jose.jws.crypto.RSAProvider.getSignature ( Algorithm  alg )

inlinestatic

                                                        {
        try {
            return Signature.getInstance(getJavaAlgorithm(alg));
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }

sign()

static byte [] org.keycloak.jose.jws.crypto.RSAProvider.sign ( byte []  data, Algorithm  algorithm, PrivateKey  privateKey  )

inlinestatic

                                                                                       {
        try {
            Signature signature = getSignature(algorithm);
            signature.initSign(privateKey);
            signature.update(data);
            return signature.sign();
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }

verify() [1/2]

static boolean org.keycloak.jose.jws.crypto.RSAProvider.verify ( JWSInput  input, PublicKey  publicKey  )

inlinestatic

                                                                      {
        try {
            Signature verifier = getSignature(input.getHeader().getAlgorithm());
            verifier.initVerify(publicKey);
            verifier.update(input.getEncodedSignatureInput().getBytes("UTF-8"));
            return verifier.verify(input.getSignature());
        } catch (Exception e) {
            return false;
        }

    }

verify() [2/2]

boolean org.keycloak.jose.jws.crypto.RSAProvider.verify ( JWSInput  input, String  key  )

inline

org.keycloak.jose.jws.crypto.SignatureProviderを実装しています。

                                                      {
        return verifyViaCertificate(input, key);
    }

verifyViaCertificate()

static boolean org.keycloak.jose.jws.crypto.RSAProvider.verifyViaCertificate ( JWSInput  input, String  cert  )

inlinestatic

                                                                            {
        X509Certificate certificate = null;
        try {
            certificate = PemUtils.decodeCertificate(cert);
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
        return verify(input, certificate.getPublicKey());
    }

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このクラス詳解は次のファイルから抽出されました:

• D:/AppData/doxygen/keycloak/src/keycloak/src/main/java/org/keycloak/jose/jws/crypto/RSAProvider.java