https://luminoussheep.net/mediawiki/index.php?action=history&feed=atom&title=JRE_Security 2026-04-16T19:05:08Z Revision history for this page on the wiki MediaWiki 1.43.8 https://luminoussheep.net/mediawiki/index.php?title=JRE_Security&diff=71&oldid=prev 2021-09-14T21:34:49Z

<p>Created page with &quot;==Byte Code Verifyer== * Checks code consistent with spec - Format of files, byte code legal * Detects inconsistencies in bounds checking/object casting ==Security Manager==...&quot;</p> <p><b>New page</b></p><div>==Byte Code Verifyer==<br /> * Checks code consistent with spec - Format of files, byte code legal<br /> * Detects inconsistencies in bounds checking/object casting<br /> <br /> ==Security Manager==<br /> * Only one per runtime<br /> * Uses security policy file for runtime permissions<br /> * Throws AccessControlException or SecurityException<br /> * -Djava.security.manager<br /> <br /> ==Security policy==<br /> * defines access privileges<br /> * defines permissions e.g. file/network access <br /> * default policy $JAVA_HOME/jre/lib/security<br /> * -Djava.security.policy<br /> * may be <br /> ** text policy file<br /> ** binary policy class<br /> <br /> ==Keystore==<br /> * Certificates are stored in a password protected database<br /> * Stores<br /> ** public/private keys<br /> ** certificates<br /> * Stored in file .keystore in the user&#039;s home directory<br /> * keytool - facilitates creating/managing/administering public/private keys and certificates for authentication/authorisation<br /> * X.509 certificates</div>

Martin