OpenJDK 27 · javax.crypto.JceSecurityManager · APIdia, the JavaDoc alternative

The JCE security manager.

The JCE security manager is responsible for determining the maximum allowable cryptographic strength for a given application, for a given algorithm, by consulting the configured jurisdiction policy files and the cryptographic permissions bundled with the application.

Field Summary

Modifier and Type	Field and Description
private static final CryptoAllPermission	allPerm
private static final CryptoPermissions	CACHE_NULL_MARK
private static final CryptoPermissions	defaultPolicy
private static final ConcurrentMap<URL, CryptoPermissions>	exemptCache
private static final CryptoPermissions	exemptPolicy
pack-priv static final JceSecurityManager	INSTANCE
private static final Vector<Class<?>>	TrustedCallersCache
pack-priv static final StackWalker	WALKER

Constructor Summary

Access	Constructor and Description
private	JceSecurityManager()

Method Summary

Modifier and Type	Method and Description
private static CryptoPermissions	getAppPermissions(URL callerCodeBase)
pack-priv CryptoPermission	getCryptoPermission(String theAlg) Returns the maximum allowable crypto strength for the given application, for the given algorithm.
pack-priv CryptoPermission	getCryptoPermissionFromURL(URL callerCodeBase, String alg, CryptoPermission defaultPerm)
private CryptoPermission	getDefaultPermission(String alg) Returns the default permission for the given algorithm.
pack-priv boolean	isCallerTrusted(Class<?> caller, Provider provider)

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

Field Detail

allPerm	back to summary
private static final CryptoAllPermission allPerm

CACHE_NULL_MARK	back to summary
private static final CryptoPermissions CACHE_NULL_MARK

defaultPolicy	back to summary
private static final CryptoPermissions defaultPolicy

exemptCache	back to summary
private static final ConcurrentMap<URL, CryptoPermissions> exemptCache

exemptPolicy	back to summary
private static final CryptoPermissions exemptPolicy

INSTANCE	back to summary
pack-priv static final JceSecurityManager INSTANCE

TrustedCallersCache	back to summary
private static final Vector<Class<?>> TrustedCallersCache

WALKER	back to summary
pack-priv static final StackWalker WALKER

Constructor Detail

JceSecurityManager	back to summary
private JceSecurityManager()

Method Detail

getAppPermissions	back to summary
private static CryptoPermissions getAppPermissions(URL callerCodeBase)

getCryptoPermission	back to summary
pack-priv CryptoPermission getCryptoPermission(String theAlg) Returns the maximum allowable crypto strength for the given application, for the given algorithm.

getCryptoPermissionFromURL	back to summary
pack-priv CryptoPermission getCryptoPermissionFromURL(URL callerCodeBase, String alg, CryptoPermission defaultPerm)

getDefaultPermission	back to summary
private CryptoPermission getDefaultPermission(String alg) Returns the default permission for the given algorithm.