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How to sign Java applet 

Dr. Xi
Joined:
04/09/2007
Posts:
753

January 29, 2009 00:01:02    Last update: February 04, 2011 14:57:40
  1. Generate key valid for 10 years (3650 days). Since no -keystore option is given, the key is stored in the default keystore $HOME/.keystore. 
    C:\tmp>keytool -genkey -keyalg rsa -alias mykey -validity 3650
Enter keystore password: anything_is_fine_but_not_empty
What is your first and last name?
  [Unknown]:  First Last
What is the name of your organizational unit?
  [Unknown]:  Sales Dept.
What is the name of your organization?
  [Unknown]:  Big Store
What is the name of your City or Locality?
  [Unknown]:  New York
What is the name of your State or Province?
  [Unknown]:  NY
What is the two-letter country code for this unit?
  [Unknown]:  US
Is CN=First Last, OU=Sales Dept., O=Big Store, L=New York, ST=NY, C=US correct?
  [no]:  yes

Enter key password for <mykey>
        (RETURN if same as keystore password):


  2. Create the applet jar: 
    jar -cf myapplet.jar com/my/applet


  3. Sign jar: 
    C:\tmp>jarsigner myapplet.jar mykey
Enter Passphrase for keystore: whatever_was_entered_above


  4. Verify signature: 
    C:\tmp>jarsigner -verify -verbose -certs myapplet.jar



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