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

Example 31 with Service

use of java.security.Provider.Service in project Bytecoder by mirkosertic.

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 32 with Service

use of java.security.Provider.Service in project certmgr by hdecarne.

the class KeyPairAlgorithm method getDefaultSet.

/**
 * Get the available key pair algorithms.
 *
 * @param defaultHint The default to return (may be {@code null}). If this algorithm is contained in the default
 *        set, it is also set as the default.
 * @param expertMode Whether only standard algorithms are considered ({@code false}) or all algorithms available on
 *        the current platform ({@code true}).
 * @return The available key pair algorithms
 */
public static DefaultSet<KeyPairAlgorithm> getDefaultSet(@Nullable String defaultHint, boolean expertMode) {
    DefaultSet<KeyPairAlgorithm> keyPairAlgorithms = new DefaultSet<>();
    DefaultSet<String> defaultNames = SecurityDefaults.getKeyAlgorithmNames();
    @Nullable String defaultName = (defaultHint != null && defaultNames.contains(defaultHint) ? defaultHint : defaultNames.getDefault());
    for (Provider provider : SecurityDefaults.getProviders(expertMode)) {
        for (Provider.Service service : provider.getServices()) {
            if (!SERVICE_TYPE_KEY_PAIR_GENERATOR.equals(service.getType())) {
                continue;
            }
            String algorithm = service.getAlgorithm();
            if (!expertMode && !defaultNames.contains(algorithm)) {
                continue;
            }
            KeyPairAlgorithm keyPairAlgorithm = (expertMode ? new ExpertKeyPairAlgorithm(service) : new StandardKeyPairAlgorithm(service));
            if (algorithm.equals(defaultName)) {
                keyPairAlgorithms.addDefault(keyPairAlgorithm);
            } else {
                keyPairAlgorithms.add(keyPairAlgorithm);
            }
        }
    }
    return keyPairAlgorithms;
}

Example 33 with Service

use of java.security.Provider.Service in project certmgr by hdecarne.

the class PlatformKeyStore method getDefaultSet.

/**
 * Get the available platform key stores.
 *
 * @return The available platform key stores.
 */
public static DefaultSet<PlatformKeyStore> getDefaultSet() {
    DefaultSet<PlatformKeyStore> platformKeyStores = new DefaultSet<>();
    DefaultSet<String> defaultNames = SecurityDefaults.getPlatformKeyStoreNames();
    String defaultName = defaultNames.getDefault();
    for (Provider provider : Security.getProviders()) {
        for (Provider.Service service : provider.getServices()) {
            if (!SERVICE_TYPE_KEY_STORE.equals(service.getType())) {
                continue;
            }
            String algorithm = service.getAlgorithm();
            if (!defaultNames.contains(algorithm)) {
                continue;
            }
            PlatformKeyStore platformKeyStore = new PlatformKeyStore(service);
            if (algorithm.equals(defaultName)) {
                platformKeyStores.addDefault(platformKeyStore);
            } else {
                platformKeyStores.add(platformKeyStore);
            }
        }
    }
    return platformKeyStores;
}

Example 34 with Service

use of java.security.Provider.Service in project android-pbe by nelenkov.

the class Crypto method listAlgorithms.

public static void listAlgorithms(String algFilter) {
    Provider[] providers = Security.getProviders();
    for (Provider p : providers) {
        String providerStr = String.format("%s/%s/%f\n", p.getName(), p.getInfo(), p.getVersion());
        Log.d(TAG, providerStr);
        Set<Service> services = p.getServices();
        List<String> algs = new ArrayList<String>();
        for (Service s : services) {
            boolean match = true;
            if (algFilter != null) {
                match = s.getAlgorithm().toLowerCase().contains(algFilter.toLowerCase());
            }
            if (match) {
                String algStr = String.format("\t%s/%s/%s", s.getType(), s.getAlgorithm(), s.getClassName());
                algs.add(algStr);
            }
        }
        Collections.sort(algs);
        for (String alg : algs) {
            Log.d(TAG, "\t" + alg);
        }
        Log.d(TAG, "");
    }
}

Example 35 with Service

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

the class KeyFactory method nextSpi.

/**
 * Update the active KeyFactorySpi of this class and return the next
 * implementation for failover. If no more implemenations are
 * available, this method returns null. However, the active spi of
 * this class is never set to null.
 */
private KeyFactorySpi nextSpi(KeyFactorySpi oldSpi) {
    synchronized (lock) {
        // try that spi now
        if ((oldSpi != null) && (oldSpi != spi)) {
            return spi;
        }
        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
            }
        }
        serviceIterator = null;
        return null;
    }
}