Security enhancements for the JavaTM 2 SDK, Standard Edition, v 1.4.1 include the following:Security Guides
Security enhancements for the previous release, JavaTM 2 SDK, Standard Edition, v 1.4 included the following:
- Three new security tools were added in the 1.4.1 release of the Java 2 platform:
ktab. These tools help users obtain, list and manage Kerberos tickets. See the Security Tools section of the JavaTM 2 SDK Tools and Utilities documentation for more information.
- The Sun
SecureRandomimplementation now also makes use of an operating system-provided entropy source on Windows platforms, which can improve the startup time of cryptographic applications considerably. Edit the
<java.home>/lib/security/java.securityto control this feature.
- New root CA certificates with aliases baltimorecodesigningca, gtecybertrustglobalca, baltimorecybertrustca, gtecybertrustca, and gtecybertrust5ca have been added to the
<java.home>/lib/security/cacertskeystore file. See The cacerts Certificates File.
- The JavaTM Cryptography Extension (JCE), JavaTM Secure Socket Extension (JSSE), and JavaTM Authentication and Authorization Service (JAAS) security features have now been integrated into the Java 2 SDK, v 1.4 rather than being optional packages.
- There are two new security features:
- The JavaTM GSS-API can be used for securely exchanging messages between communicating applications using the Kerberos V5 mechanism.
- The JavaTM Certification Path API includes new classes and methods in the
java.security.certpackage that allow you to build and validate certification paths (also known as "certificate chains").
- Due to import control restrictions, the JCE jurisdiction policy files shipped with the Java 2 SDK, v 1.4 allow "strong" but limited cryptography to be used. A version of these files indicating no restrictions on cryptographic strengths is available.
- The JSSE implementation provided in this release includes strong cipher suites. However, due to U.S. export control restrictions, this release does not allow alternate "pluggable" SSL/TLS implementations to be used. For more information, please see the JSSE Reference Guide.
- With the integration of JAAS into the J2SDK, the
java.security.PolicyAPI handles Principal-based queries, and the default policy implementation supports Principal-based
grantentries. Thus, access control can now be based not just on what code is running, but also on who is running it.
- Support for dynamic policies has been added. In Java 2 SDK releases prior to version 1.4, classes were statically bound with permissions by querying security policy during class loading. The lifetime of this binding was scoped by the lifetime of the class loader. In version 1.4 this binding is now deferred until needed by a security check. The lifetime of the binding is now scoped by the lifetime of the security policy.
- The graphical Policy Tool utility has been enhanced to enable specifying a Principal field indicating what user is to be granted specified access control permissions.
- Security Architecture
- Cryptography Architecture
- How to Implement a Provider for the Java Cryptography Architecture
- Policy Permissions
- Default Policy Implementation and Policy File Syntax
- API for Privileged Blocks
- X.509 Certificates and Certificate Revocation Lists
- Security Managers and the JavaTM 2 SDK
- See the Java GSS-API and JAAS Tutorials for Use with Kerberos.
- Single Sign-on Using Kerberos in Java
- java.security Package
- java.security.cert Package
- java.security.interfaces Package
- java.security.spec Package
- javax.security.auth Package
- javax.security.auth.callback Package
- javax.security.auth.kerberos Package
- javax.security.auth.login Package
- javax.security.auth.spi Package
- javax.security.auth.x500 Package
- com.sun.security.auth Package
- com.sun.security.auth.callback Package
- com.sun.security.auth.login Package
- com.sun.security.auth.module Package
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