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package sun.security.provider;

import java.util.*;
import java.security.*;

import sun.security.rsa.SunRsaSignEntries;
import static sun.security.util.SecurityConstants.PROVIDER_VER;


Provider used for verification of signed JAR files *if* the Sun and SunRsaSign main classes have been removed. Otherwise, this provider is not necessary and registers no algorithms. This functionality only exists to support a use case required by a specific customer and is not generally supported.
Author:Andreas Sterbenz
Since: 1.7
/** * Provider used for verification of signed JAR files *if* the Sun and * SunRsaSign main classes have been removed. Otherwise, this provider is not * necessary and registers no algorithms. This functionality only exists to * support a use case required by a specific customer and is not generally * supported. * * @since 1.7 * @author Andreas Sterbenz */
public final class VerificationProvider extends Provider { @java.io.Serial private static final long serialVersionUID = 7482667077568930381L; private static final boolean ACTIVE; static { boolean b; try { Class.forName("sun.security.provider.Sun"); Class.forName("sun.security.rsa.SunRsaSign"); b = false; } catch (ClassNotFoundException e) { b = true; } ACTIVE = b; } public VerificationProvider() { super("SunJarVerification", PROVIDER_VER, "Jar Verification Provider"); // register all algorithms normally registered by the Sun and SunRsaSign // providers, but only if they are missing if (ACTIVE == false) { return; } Provider p = this; Iterator<Provider.Service> sunIter = new SunEntries(p).iterator(); Iterator<Provider.Service> rsaIter = new SunRsaSignEntries(p).iterator(); // if there is no security manager installed, put directly into // the provider if (System.getSecurityManager() == null) { putEntries(sunIter); putEntries(rsaIter); } else { AccessController.doPrivileged(new PrivilegedAction<Object>() { public Void run() { putEntries(sunIter); putEntries(rsaIter); return null; } }); } } void putEntries(Iterator<Provider.Service> i) { while (i.hasNext()) { putService(i.next()); } } }