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Summary


  • JAAS extends base security model to accomodate concept of "users"

  • Pluggable, extensible

  • Kerberos provides an excellent illustration of the power and ease of using JAAS to extend application security

  • Subject.doAs() extends the ProtectionDomains of all classes / methods which the PrivilegedAction object calls

  • The basic CodeSource authorization algorithm is unmodified

  • Subsequent Subject.doAs() calls replace the Subject in the authorization algorithm
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