Package java.security.Provider

Examples of java.security.Provider.Service

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            }
            if (serviceIterator == null) {
                return null;
            }
            while (serviceIterator.hasNext()) {
                Service s = serviceIterator.next();
                try {
                    Object obj = s.newInstance(null);
                    if (obj instanceof KeyFactorySpi == false) {
                        continue;
                    }
                    KeyFactorySpi spi = (KeyFactorySpi)obj;
                    provider = s.getProvider();
                    this.spi = spi;
                    return spi;
                } catch (NoSuchAlgorithmException e) {
                    // ignore
                }
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        if (mechanismType.equals("DOM")) {
            dom = true;
        }
        List services = GetInstance.getServices("TransformService", algorithm);
        for (Iterator t = services.iterator(); t.hasNext(); ) {
            Service s = (Service)t.next();
            String value = s.getAttribute("MechanismType");
            if ((value == null && dom) ||
                (value != null && value.equals(mechanismType))) {
                Instance instance = GetInstance.getInstance(s, null);
                TransformService ts = (TransformService) instance.impl;
                ts.algorithm = algorithm;
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        boolean dom = false;
        if (mechanismType.equals("DOM")) {
            dom = true;
        }
        Service s = GetInstance.getService
            ("TransformService", algorithm, provider);
        String value = s.getAttribute("MechanismType");
        if ((value == null && dom) ||
            (value != null && value.equals(mechanismType))) {
            Instance instance = GetInstance.getInstance(s, null);
            TransformService ts = (TransformService) instance.impl;
            ts.algorithm = algorithm;
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        }
        boolean dom = false;
        if (mechanismType.equals("DOM")) {
            dom = true;
        }
        Service s = GetInstance.getService
            ("TransformService", algorithm, provider);
        String value = s.getAttribute("MechanismType");
        if ((value == null && dom) ||
            (value != null && value.equals(mechanismType))) {
            Instance instance = GetInstance.getInstance(s, null);
            TransformService ts = (TransformService) instance.impl;
            ts.algorithm = algorithm;
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                (algorithm + " Signature not available");
        }
        // try services until we find an Spi or a working Signature subclass
        NoSuchAlgorithmException failure;
        do {
            Service s = t.next();
            if (isSpi(s)) {
                return new Delegate(s, t, algorithm);
            } else {
                // must be a subclass of Signature, disable dynamic selection
                try {
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    // return an implementation for NONEwithRSA, which is a special case
    // because of the Cipher.RSA/ECB/PKCS1Padding compatibility wrapper
    private static Signature getInstanceRSA(Provider p)
            throws NoSuchAlgorithmException {
        // try Signature first
        Service s = p.getService("Signature", RSA_SIGNATURE);
        if (s != null) {
            Instance instance = GetInstance.getInstance(s, SignatureSpi.class);
            return getInstance(instance, RSA_SIGNATURE);
        }
        // check Cipher
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                        new Exception("Call trace").printStackTrace();
                    }
                }
                Exception lastException = null;
                while ((firstService != null) || serviceIterator.hasNext()) {
                    Service s;
                    if (firstService != null) {
                        s = firstService;
                        firstService = null;
                    } else {
                        s = serviceIterator.next();
                    }
                    if (isSpi(s) == false) {
                        continue;
                    }
                    try {
                        sigSpi = newInstance(s);
                        provider = s.getProvider();
                        // not needed any more
                        firstService = null;
                        serviceIterator = null;
                        return;
                    } catch (NoSuchAlgorithmException e) {
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                    init(sigSpi, type, key, random);
                    return;
                }
                Exception lastException = null;
                while ((firstService != null) || serviceIterator.hasNext()) {
                    Service s;
                    if (firstService != null) {
                        s = firstService;
                        firstService = null;
                    } else {
                        s = serviceIterator.next();
                    }
                    // if provider says it does not support this key, ignore it
                    if (s.supportsParameter(key) == false) {
                        continue;
                    }
                    // if instance is not a SignatureSpi, ignore it
                    if (isSpi(s) == false) {
                        continue;
                    }
                    try {
                        SignatureSpi spi = newInstance(s);
                        init(spi, type, key, random);
                        provider = s.getProvider();
                        sigSpi = spi;
                        firstService = null;
                        serviceIterator = null;
                        return;
                    } catch (Exception e) {
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                (algorithm + " KeyPairGenerator not available");
        }
        // find a working Spi or KeyPairGenerator subclass
        NoSuchAlgorithmException failure = null;
        do {
            Service s = t.next();
            try {
                Instance instance =
                    GetInstance.getInstance(s, KeyPairGeneratorSpi.class);
                if (instance.impl instanceof KeyPairGenerator) {
                    return getInstance(instance, algorithm);
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                }
                if (serviceIterator == null) {
                    return null;
                }
                while (serviceIterator.hasNext()) {
                    Service s = serviceIterator.next();
                    try {
                        Object inst = s.newInstance(null);
                        // ignore non-spis
                        if (inst instanceof KeyPairGeneratorSpi == false) {
                            continue;
                        }
                        if (inst instanceof KeyPairGenerator) {
                            continue;
                        }
                        KeyPairGeneratorSpi spi = (KeyPairGeneratorSpi)inst;
                        if (reinit) {
                            if (initType == I_SIZE) {
                                spi.initialize(initKeySize, initRandom);
                            } else if (initType == I_PARAMS) {
                                spi.initialize(initParams, initRandom);
                            } else if (initType != I_NONE) {
                                throw new AssertionError
                                    ("KeyPairGenerator initType: " + initType);
                            }
                        }
                        provider = s.getProvider();
                        this.spi = spi;
                        return spi;
                    } catch (Exception e) {
                        // ignore
                    }
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Related Classes of java.security.Provider.Service

  • com.sun.net.ssl.SSLSecurity
  • SupportsParameter
  • Turkish
  • sun.security.jca.ProviderList
  • java.security.SecureRandom
  • javax.crypto.SecretKeyFactory
  • javax.crypto.KeyGenerator
  • sun.security.jca.ProviderList$ServiceList
  • java.security.KeyFactory
  • java.security.KeyPairGenerator$Delegate
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