org.xdi.oxauth.crypto.signature.SHA256withECDSASignatureVerification クラス

org.xdi.oxauth.crypto.signature.SHA256withECDSASignatureVerification の継承関係図

org.xdi.oxauth.crypto.signature.SHA256withECDSASignatureVerification 連携図

公開メンバ関数
boolean	checkSignature (X509Certificate certificate, byte[] signedBytes, byte[] signature) throws SignatureException
boolean	checkSignature (PublicKey publicKey, byte[] signedBytes, byte[] signature) throws SignatureException
PublicKey	decodePublicKey (byte[] encodedPublicKey) throws SignatureException
byte []	hash (byte[] bytes)
byte []	hash (String str)

詳解

関数詳解

checkSignature() [1/2]

boolean org.xdi.oxauth.crypto.signature.SHA256withECDSASignatureVerification.checkSignature ( X509Certificate  certificate, byte []  signedBytes, byte []  signature  ) throws SignatureException

inline

org.xdi.oxauth.crypto.signature.SignatureVerificationを実装しています。

                                                                                                                               {
        return checkSignature(certificate.getPublicKey(), signedBytes, signature);
    }

checkSignature() [2/2]

boolean org.xdi.oxauth.crypto.signature.SHA256withECDSASignatureVerification.checkSignature ( PublicKey  publicKey, byte []  signedBytes, byte []  signature  ) throws SignatureException

inline

org.xdi.oxauth.crypto.signature.SignatureVerificationを実装しています。

                                                                                                                       {
        boolean isValid = false;
                try {
                        Signature ecdsaSignature = Signature.getInstance("SHA256withECDSA", "BC");
                        ecdsaSignature.initVerify(publicKey);
                        ecdsaSignature.update(signedBytes);

                        isValid = ecdsaSignature.verify(signature);
                } catch (GeneralSecurityException ex) {
                        throw new SignatureException(ex);
                }
        
        return isValid;
    }

decodePublicKey()

PublicKey org.xdi.oxauth.crypto.signature.SHA256withECDSASignatureVerification.decodePublicKey ( byte []  encodedPublicKey ) throws SignatureException

inline

org.xdi.oxauth.crypto.signature.SignatureVerificationを実装しています。

                                                                                        {
            X9ECParameters curve = SECNamedCurves.getByName("secp256r1");
            ECPoint point = curve.getCurve().decodePoint(encodedPublicKey);

            try {
                                return KeyFactory.getInstance("ECDSA").generatePublic(
                                        new ECPublicKeySpec(point,
                                                new ECParameterSpec(
                                                        curve.getCurve(),
                                                        curve.getG(),
                                                        curve.getN(),
                                                        curve.getH()
                                                )
                                        )
                                );
                        } catch (GeneralSecurityException ex) {
                                throw new SignatureException(ex);
                        }
    }

hash() [1/2]

byte [] org.xdi.oxauth.crypto.signature.SHA256withECDSASignatureVerification.hash ( byte []  bytes )

inline

org.xdi.oxauth.crypto.signature.SignatureVerificationを実装しています。

                                     {
        try {
            return MessageDigest.getInstance("SHA-256").digest(bytes);
        } catch (NoSuchAlgorithmException e) {
            throw new RuntimeException(e);
        }
    }

hash() [2/2]

byte [] org.xdi.oxauth.crypto.signature.SHA256withECDSASignatureVerification.hash ( String  str )

inline

org.xdi.oxauth.crypto.signature.SignatureVerificationを実装しています。

                                   {
        return hash(str.getBytes());
    }

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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/OpenId/gluu/src/oxAuth/Server/src/main/java/org/xdi/oxauth/crypto/signature/SHA256withECDSASignatureVerification.java