Examples with Service java.security.Provider.Service used on opensource projects

Example 76 with Service

use of java.security.Provider.Service in project j2objc by google.

the class Mac method chooseProvider.

private void chooseProvider(Key key, AlgorithmParameterSpec params) throws InvalidKeyException, InvalidAlgorithmParameterException {
    synchronized (lock) {
        // if (spi != null) {
        if (spi != null && (key == null || lock == null)) {
            spi.engineInit(key, params);
            return;
        }
        Exception lastException = null;
        // Android-changed: Provider selection; loop over a new list each time.
        for (Service s : GetInstance.getServices("Mac", algorithm)) {
            // 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) {
                // RuntimeException (ProviderException) from init()
                if (lastException == null) {
                    lastException = e;
                }
            }
        }
        // no working provider found, fail
        if (lastException instanceof InvalidKeyException) {
            throw (InvalidKeyException) lastException;
        }
        if (lastException instanceof InvalidAlgorithmParameterException) {
            throw (InvalidAlgorithmParameterException) lastException;
        }
        if (lastException instanceof RuntimeException) {
            throw (RuntimeException) lastException;
        }
        String kName = (key != null) ? key.getClass().getName() : "(null)";
        throw new InvalidKeyException("No installed provider supports this key: " + kName, lastException);
    }
}

Example 77 with Service

use of java.security.Provider.Service in project j2objc by google.

the class GetInstance method getInstance.

/*
     * For all the getInstance() methods below:
     * @param type the type of engine (e.g. MessageDigest)
     * @param clazz the Spi class that the implementation must subclass
     *   (e.g. MessageDigestSpi.class) or null if no superclass check
     *   is required
     * @param algorithm the name of the algorithm (or alias), e.g. MD5
     * @param provider the provider (String or Provider object)
     * @param param the parameter to pass to the Spi constructor
     *   (for CertStores)
     *
     * There are overloaded methods for all the permutations.
     */
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;
    try {
        return getInstance(firstService, clazz);
    } catch (NoSuchAlgorithmException e) {
        failure = e;
    }
    // fail over to the next
    for (Service s : list.getServices(type, algorithm)) {
        if (s == firstService) {
            // do not retry initial failed service
            continue;
        }
        try {
            return getInstance(s, clazz);
        } catch (NoSuchAlgorithmException e) {
            failure = e;
        }
    }
    throw failure;
}

Example 78 with Service

use of java.security.Provider.Service in project j2objc by google.

the class GetInstance method getInstance.

public static Instance getInstance(String type, Class<?> clazz, String algorithm, Object param) throws NoSuchAlgorithmException {
    List<Service> services = getServices(type, algorithm);
    NoSuchAlgorithmException failure = null;
    for (Service s : services) {
        try {
            return getInstance(s, clazz, param);
        } catch (NoSuchAlgorithmException e) {
            failure = e;
        }
    }
    if (failure != null) {
        throw failure;
    } else {
        throw new NoSuchAlgorithmException(algorithm + " " + type + " not available");
    }
}

Example 79 with Service

use of java.security.Provider.Service in project j2objc by google.

the class ProviderList method getService.

/**
 * Return a Service describing an implementation of the specified
 * algorithm from the Provider with the highest precedence that
 * supports that algorithm. Return null if no Provider supports this
 * 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;
}

Example 80 with Service

use of java.security.Provider.Service in project j2objc by google.

the class ProviderServiceTest method testNewInstance.

public void testNewInstance() throws Exception {
    String type = "SecureRandom";
    String algorithm = "algorithm";
    MyProvider p = new MyProvider();
    Provider.Service s = new Provider.Service(p, type, algorithm, "org.apache.harmony.security.tests.support.RandomImpl", null, null);
    p.putService(s);
    // Check success and correct type.
    Object o = s.newInstance(null);
    assertTrue("new service instance is of incorrect class " + o.getClass().getName(), o instanceof RandomImpl);
}