Thanks everyone for the pointers, answers and time...
I appreciate it.
Regards
John T
Dar Scott wrote:
On Jul 13, 2006, at 3:04 AM, John Tregea wrote:
I thought if I could extract the RGB values from pixels in a picture
I could solve my concern about storing a password that may be read by
someone peaking at the source code of a built rev app.
!!
Several people have suggested that you not keep a password in the
code. I have suggested you not keep the complete password in the code
if any part at all.
So I take a short text string
repeat through each character in the string
convert each character to a number using chartoNum()
get the value of that pixel in a particular image ("red" value for
even numbers and "green" value for odd numbers)
convert the returned number to a character using numtochar()
put the original char and the returned pixel colour (converted to a
character) after a temp string to build up a new string
base64encode the new string and use that as my password. :-)
Use MD5, pick off the bytes you need for a key and skip password. If
you really want text, then you can hex or base64encode.
Once you have something, stop and get to the rest of the security
problem.
Dar
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