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

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

org.keycloak.jose.jws.crypto.HMACProvider 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 byte []	sign (byte[] data, Algorithm algorithm, byte[] sharedSecret)
static byte []	sign (byte[] data, Algorithm algorithm, SecretKey key)
static boolean	verify (JWSInput input, SecretKey key)
static boolean	verify (JWSInput input, byte[] sharedSecret)

静的非公開メンバ関数
static String	getJavaAlgorithm (Algorithm alg)
static Mac	getMAC (final Algorithm alg)

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.HMACProvider.getJavaAlgorithm ( Algorithm  alg )

inlinestaticprivate

                                                          {
        switch (alg) {
            case HS256:
                return "HMACSHA256";
            case HS384:
                return "HMACSHA384";
            case HS512:
                return "HMACSHA512";
            default:
                throw new IllegalArgumentException("Not a MAC Algorithm");
        }
    }

getMAC()

static Mac org.keycloak.jose.jws.crypto.HMACProvider.getMAC ( final Algorithm  alg )

inlinestaticprivate

                                                   {

        try {
            return Mac.getInstance(getJavaAlgorithm(alg));

        } catch (NoSuchAlgorithmException e) {

            throw new RuntimeException("Unsupported HMAC algorithm: " + e.getMessage(), e);
        }
    }

sign() [1/2]

static byte [] org.keycloak.jose.jws.crypto.HMACProvider.sign ( byte []  data, Algorithm  algorithm, byte []  sharedSecret  )

inlinestatic

                                                                                     {
        try {
            Mac mac = getMAC(algorithm);
            mac.init(new SecretKeySpec(sharedSecret, mac.getAlgorithm()));
            mac.update(data);
            return mac.doFinal();
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }

sign() [2/2]

static byte [] org.keycloak.jose.jws.crypto.HMACProvider.sign ( byte []  data, Algorithm  algorithm, SecretKey  key  )

inlinestatic

                                                                               {
        try {
            Mac mac = getMAC(algorithm);
            mac.init(key);
            mac.update(data);
            return mac.doFinal();
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }

verify() [1/3]

static boolean org.keycloak.jose.jws.crypto.HMACProvider.verify ( JWSInput  input, SecretKey  key  )

inlinestatic

                                                                {
        try {
            byte[] signature = sign(input.getEncodedSignatureInput().getBytes("UTF-8"), input.getHeader().getAlgorithm(), key);
            return MessageDigest.isEqual(signature, Base64Url.decode(input.getEncodedSignature()));
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }

verify() [2/3]

static boolean org.keycloak.jose.jws.crypto.HMACProvider.verify ( JWSInput  input, byte []  sharedSecret  )

inlinestatic

                                                                      {
        try {
            byte[] signature = sign(input.getEncodedSignatureInput().getBytes("UTF-8"), input.getHeader().getAlgorithm(), sharedSecret);
            return MessageDigest.isEqual(signature, Base64Url.decode(input.getEncodedSignature()));
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }

verify() [3/3]

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

inline

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

                                                      {
        return false;
    }

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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/HMACProvider.java