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+ o Security Features:
+ - Provide controllers with a safer way to implement the cookie
+ authentication mechanism. With the old method, if another locally
+ running program could convince a controller that it was the Tor
+ process, then that program could trick the contoller into
+ telling it the contents of an arbitrary 32-byte file. The new
+ "SAFECOOKIE" authentication method uses a challenge-response
+ approach to prevent this. Fixes bug 5185, implements proposal 193.
+