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Trail: Security Features in Java SE: Table of Contents (The Java™ Tutorials)
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Trail: Security Features in Java SE: Table of Contents
Security Features Overview
Quick Tour of Controlling Applets
Observe Applet Restrictions
Set up a Policy File to Grant the Required Permission
Start Policy Tool
Grant the Required Permission
Save the Policy File
See the Policy File Effects
Quick Tour of Controlling Applications
Observe Application Freedom
See How to Restrict Applications
Set up the Policy File to Grant the Required Permissions
Open the Policy File
Grant the Required Permissions
Save the Policy File
See the Policy File Effects
API and Tools Use for Secure Code and File Exchanges
Signing Code and Granting It Permissions
Steps for the Code Signer
Download and Try the Sample Application
Create a JAR File Containing the Class File
Generate Keys
Sign the JAR File
Export the Public Key Certificate
Steps for the Code Receiver
Observe the Restricted Application
Import the Certificate as a Trusted Certificate
Set Up a Policy File to Grant the Required Permission
Start Policy Tool
Specify the Keystore
Add a Policy Entry with a SignedBy Alias
Save the Policy File
See the Policy File Effects
Exchanging Files
Steps for the Contract Sender
Create a JAR File Containing the Contract
Generate Keys
Sign the JAR File
Export the Public Key Certificate
Steps for the Contract Receiver
Import the Certificate as a Trusted Certificate
Verify the JAR File Signature
Generating and Verifying Signatures
Generating a Digital Signature
Prepare Initial Program Structure
Generate Public and Private Keys
Sign the Data
Save the Signature and the Public Key in Files
Compile and Run the Program
Verifying a Digital Signature
Prepare Initial Program Structure
Input and Convert the Encoded Public Key Bytes
Input the Signature Bytes
Verify the Signature
Compile and Run the Program
Weaknesses and Alternatives
Implementing Your Own Permission
TerrysGame
The HighScore Class
The HighScorePermission Class
A Sample Policy File
Putting It All Together
Steps for the HighScore Developer (Chris)
Steps for the TerrysGame Developer (Terry)
Steps for a User Running TerrysGame (Kim)
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