From: Mark Probert <probertm@...>
Date: 2003-01-18T06:09:15+09:00
Subject: Re: [ANN] dbi-dbrc 0.2.0


Hi.

At 11:56 PM 1/17/2003 +0900, Dan wrote:
> > Is the password hashed in file?
> >
> > many thanks -botp
>
>No, it's plain text, but see the four rules for the .dbrc file before your
>eyes pop out.
>...
>That being said....plugins welcome. :)

Will this help.

-mark.

# -----
# Crypto -- a class to do some simple crypto stuff
#
class Crypto

     DefSeed = 
"1913241303102769784369176881852378684052287024444246184380987196"
     RandStr = "4]fdsfA94kk4t380t4"

     def crc32(c)
         r = 0xFFFFFFFF
         c.each_byte do |b|
             r ^= b
             8.times do
               r = (r>>1) ^ (0xEDB88320 * (r & 1))
             end
         end
         r ^ 0xFFFFFFFF
     end

     # "\236\230x\250\237\223d\224"
     def encrypt(str)
         s = str.dup + RandStr
         n = 0
         s.length.times do
             s[n] = (s[n] + DefSeed[n] - 48).chr.to_s
             n += 1
         end
         return s
     end

     def decrypt(str)
         s = str.dup
         n = 0
         s.length.times do
             s[n] = (s[n] - DefSeed[n] + 48).chr.to_s
             n += 1
         end
         return s.slice!(0, s.length - RandStr.length)
     end
end