Package java.security.Provider

Examples of java.security.Provider.Service

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            throws NoSuchAlgorithmException {
        List services = GetInstance.getServices("Mac", algorithm);
        // make sure there is at least one service from a signed provider
        Iterator t = services.iterator();
        while (t.hasNext()) {
            Service s = (Service)t.next();
            if (JceSecurity.canUseProvider(s.getProvider()) == false) {
                continue;
            }
            return new Mac(s, t, algorithm);
        }
        throw new NoSuchAlgorithmException
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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 = (Service)serviceIterator.next();
                }
                if (JceSecurity.canUseProvider(s.getProvider()) == false) {
                    continue;
                }
                try {
                    Object obj = s.newInstance(null);
                    if (obj instanceof MacSpi == false) {
                        continue;
                    }
                    spi = (MacSpi)obj;
                    provider = s.getProvider();
                    // not needed any more
                    firstService = null;
                    serviceIterator = null;
                    return;
                } catch (NoSuchAlgorithmException e) {
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                spi.engineInit(key, params);
                return;
            }
            Exception lastException = null;
            while ((firstService != null) || serviceIterator.hasNext()) {
                Service s;
                if (firstService != null) {
                    s = firstService;
                    firstService = null;
                } else {
                    s = (Service)serviceIterator.next();
                }
                // if provider says it does not support this key, ignore it
                if (s.supportsParameter(key) == false) {
                    continue;
                }
                if (JceSecurity.canUseProvider(s.getProvider()) == false) {
                    continue;
                }
                try {
                    MacSpi spi = (MacSpi)s.newInstance(null);
                    spi.engineInit(key, params);
                    provider = s.getProvider();
                    this.spi = spi;
                    firstService = null;
                    serviceIterator = null;
                    return;
                } catch (Exception e) {
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            }
            if (serviceIterator == null) {
                return null;
            }
            while (serviceIterator.hasNext()) {
                Service s = (Service)serviceIterator.next();
                if (JceSecurity.canUseProvider(s.getProvider()) == false) {
                    continue;
                }
                try {
                    Object inst = s.newInstance(null);
                    // ignore non-spis
                    if (inst instanceof KeyGeneratorSpi == false) {
                        continue;
                    }
                    KeyGeneratorSpi spi = (KeyGeneratorSpi)inst;
                    if (reinit) {
                        if (initType == I_SIZE) {
                            spi.engineInit(initKeySize, initRandom);
                        } else if (initType == I_PARAMS) {
                            spi.engineInit(initParams, initRandom);
                        } else if (initType == I_RANDOM) {
                            spi.engineInit(initRandom);
                        } else if (initType != I_NONE) {
                            throw new AssertionError
                                ("KeyGenerator initType: " + initType);
                        }
                    }
                    provider = s.getProvider();
                    this.spi = spi;
                    return spi;
                } catch (Exception e) {
                    // ignore
                }
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    }

    public static Service getService(String type, String algorithm)
            throws NoSuchAlgorithmException {
        ProviderList list = Providers.getProviderList();
        Service s = list.getService(type, algorithm);
        if (s == null) {
            throw new NoSuchAlgorithmException
                    (algorithm + " " + type + " not available");
        }
        return s;
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        }
        Provider p = Providers.getProviderList().getProvider(provider);
        if (p == null) {
            throw new NoSuchProviderException("no such provider: " + provider);
        }
        Service s = p.getService(type, algorithm);
        if (s == null) {
            throw new NoSuchAlgorithmException("no such algorithm: "
                + algorithm + " for provider " + provider);
        }
        return s;
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    public static Service getService(String type, String algorithm,
            Provider provider) throws NoSuchAlgorithmException {
        if (provider == null) {
            throw new IllegalArgumentException("missing provider");
        }
        Service s = provider.getService(type, algorithm);
        if (s == null) {
            throw new NoSuchAlgorithmException("no such algorithm: "
                + algorithm + " for provider " + provider.getName());
        }
        return s;
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    public static Instance getInstance(String type, Class clazz,
            String algorithm) throws NoSuchAlgorithmException {
        // in the almost all cases, the first service will work
        // avoid taking long path if so
        ProviderList list = Providers.getProviderList();
        Service firstService = list.getService(type, algorithm);
        if (firstService == null) {
            throw new NoSuchAlgorithmException
                    (algorithm + " " + type + " not available");
        }
        NoSuchAlgorithmException failure;
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     * algorithm.
     */
    public Service getService(String type, String name) {
        for (int i = 0; i < configs.length; i++) {
            Provider p = getProvider(i);
            Service s = p.getService(type, name);
            if (s != null) {
                return s;
            }
        }
        return null;
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                }
                // check all algorithms in this provider before moving on
                Provider p = getProvider(providerIndex++);
                if (type != null) {
                    // simple lookup
                    Service s = p.getService(type, algorithm);
                    if (s != null) {
                        addService(s);
                    }
                } else {
                    // parallel lookup
                    for (ServiceId id : ids) {
                        Service s = p.getService(id.type, id.algorithm);
                        if (s != null) {
                            addService(s);
                        }
                    }
                }
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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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