Labels:text | screenshot | menu | font | number OCR: SECURITY FUNCTIONS IN JDK RELEASES The evolution of Java has also' sign ficantly-changeo ine: availability of security function trom release to release Lexical sopping of privilege modification, enforces the. "east privileged model"; that is, only the piece of code Following is a summary of the major secunty functions that needs the privilege will be enabled found in three of the Java reisases: Cryptographie services for data confidentiality to d Applet resource access: resource access given to codo integrity, allows for the encryption and verification of data. downloaded from the Web {i.e ., applets). Digital sicingturo services for code signing; provides the "Application resource access: resource access given to ability to have authentication of the origin of the code code that is local to the system running the JVM (i.e', ani (e.g ., who signed in application) The table below su hmanzes the significant security functionality found in the various major JDK releases. Functioneley Applet folico access Constrained access given Constrained Robess plein Polloy-based access to to applets resources Signed applet !! Application resource. Unconstrained pocess Unconstrained access PorGy based access 10 oves to applications resources Lencal secting'er No: sveligible Not available Stack annotsson based. privilege modification with begin? ivieged( ) and Cryptographic geivices Not available for data confioaro alty Prinsions'T 1 Java Cryptographic Prtensions'T 2. and integ ity Digital signatureicorvicns Storttodo signing Not Hruditable Jeve Cryptographic Javai Cryptography Architecture DSA Puchitorturg DSN signature Signature
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