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25 
26 package sun.security.provider;
27 
28 import java.util.*;
29 import java.security.*;
30 
31 import sun.security.action.PutAllAction;
32 
33 /**
34  * The SUN Security Provider.
35  *
36  */
37 public final class Sun extends Provider {
38 
39     private static final long serialVersionUID = 6440182097568097204L;
40 
41     private static final String INFO = "SUN " +
42     "(DSA key/parameter generation; DSA signing; SHA-1, MD5 digests; " +
43     "SecureRandom; X.509 certificates; JKS & DKS keystores; " +
44     "PKIX CertPathValidator; " +
45     "PKIX CertPathBuilder; LDAP, Collection CertStores, JavaPolicy Policy; " +
46     "JavaLoginConfig Configuration)";
47 
Sun()48     public Sun() {
49         /* We are the SUN provider */
50         super("SUN", 1.8d, INFO);
51 
52         // if there is no security manager installed, put directly into
53         // the provider. Otherwise, create a temporary map and use a
54         // doPrivileged() call at the end to transfer the contents
55         if (System.getSecurityManager() == null) {
56             SunEntries.putEntries(this);
57         } else {
58             // use LinkedHashMap to preserve the order of the PRNGs
59             Map<Object, Object> map = new LinkedHashMap<>();
60             SunEntries.putEntries(map);
61             AccessController.doPrivileged(new PutAllAction(this, map));
62         }
63     }
64 
65 }
66