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http://nagoya.apache.org/bugzilla/show_bug.cgi?id=14817

JNDIRealm SHA digest implementation incorrect

           Summary: JNDIRealm SHA digest implementation incorrect
           Product: Tomcat 4
           Version: 4.1.12
          Platform: PC
        OS/Version: Windows NT/2K
            Status: NEW
          Severity: Normal
          Priority: Other
         Component: Catalina
        AssignedTo: [EMAIL PROTECTED]
        ReportedBy: [EMAIL PROTECTED]


I tried to setup Tomcat with user authentication using JNDIRealm and a
commercial Siemens MetaDirectory Directory Server. Like Netscape Directory
Server, the server stores SHA hashed password using the format:

userPassword: {SHA}qZk+NkcGgWq6PiVxeFDCbJzQ2J0=

See also http://developer.netscape.com/docs/technote/ldap/pass_sha.html.
The password is prefixed with the algorithm and Base64 encoded.
The same format is used also by OpenLDAP (ldappasswd). In contrast to this
format the Catalina implementation (JNDIRealm.java/RealmBase.java) tries
to compare a SHA password using a simple HEX encoding (HexUtils.convert),
which of course fails with the mentioned LDAP servers.

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