Instantiating a SecureRandom object from an applet

[VShun@xxxxxxxxxxx (Shun, Vadim)]

Netscape has their own security domain model, it is not enough to use
standard Java security with Navigator. 
(Explorer is more Java compliant, it works "by the book" regarding security
)
To enable security with Netscape, you need to use their API in addition to
"normal" signing of your applet. Read their documentation on security, then
you need to import their package and call it. 

Vadim Shun.


-----Original Message-----
From: Perry L. Yin [mailto:pyin@xxxxxxxxxxxx]
Sent: Wednesday, September 29, 1999 10:12 AM
To: advanced java
Subject: Instantiating a SecureRandom object from an applet 


Instantiating a SecureRandom object from an applet in Communicator 4.6.1

caused the following exception.  There's no error when running the
applet in IE 5 however.

java.lang.ExceptionInInitializerError:
netscape.security.AppletSecurityException: security.checkpropsaccess.key

#  UniversalPropertyRead privilege not enabled: Reading information
stored in your computer, such as your user name
  at java.security.MessageDigest.getInstance(MessageDigest.java:138)
  at java.security.SecureRandom.<init>(SecureRandom.java:111)
  at
progress.message.security.ProgressSecureRandom.<init>(ProgressSecureRandom.j
ava:82)

.....

The problem appears to be the applet has no permission to access the
security property
file java.security in order to find out which security provider has the
SHA-1 implementation
required for creating the SecureRandom object.   Any help is very much
appreciated.

Perry


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