Re: [Tcllib-devel] question from the wiki

[Gerald W. L. <ger...@gm...>]

Virden, Larry W. wrote:
> Over at http://wiki.tcl.tk/18004 , I noticed this question:
>
> package require blowfish
>
> puts "[blowfish::blowfish -dir decrypt -key STNkeySTNkeySTNk [binary format H* [blowfish::blowfish -hex -dir encrypt -key STNkeySTNkeySTNk muukav]]] hohoho"
>
> same example in a more readable way:
>
> set pw [blowfish::blowfish -hex -dir encrypt -key STNkeySTNkeySTNk muukav]
>
> puts "[blowfish::blowfish -dir decrypt -key STNkeySTNkeySTNk [binary format H* $pw]] hohoho"
>
> Why does these only return muukav and not muukav hohoho? RS: Maybe the blowfish::blowfish result has extra \NUL bytes at the end? Tcl can stand that, but puts might terminate at a NUL byte.
>
> Anyone an expert on blowfish?
>   
Larry,

Your example writes 'muukav hohoho" to standard out -- the puts returns 
a null string.

This was tested on OS X 10.5 with both the 8.4 build that comes with OS 
X and the 8.5b1 build from ActiveState.

Did you try this yourself or did one of your developers tell you this?

-- 
+--------------------------------+---------------------------------------+
| Gerald W. Lester                                                       |
|"The man who fights for his ideals is the man who is alive." - Cervantes|
+------------------------------------------------------------------------+