Encoding Algorithm - do you like to test it?

tmonty

Nov 19 2004, 07:26 PM

Hi! I wrote a program, that can encode/decode text file. Algorith uses function rand(). The program saves the seek to the file, and then it saving each character from the source-file adding to it radom numder. What do U think about it?

exe file (for DOS) -> http://www.kalisz.mm.pl/~tm/files/koder.zip

If U want, I can give you the source.

LuciferStar

Nov 20 2004, 11:22 AM

QUOTE(tmonty @ Nov 19 2004, 07:26 PM)

I'd prefer the source code

singlestudio@hotmail.com

mizako

Nov 21 2004, 09:20 AM

Yap, Post the source code and we can give it a chance

tmonty

Nov 26 2004, 06:23 PM

Source -> http://www.kalisz.mm.pl/~tm/etc/code.cpp

Sorry for late, I musted translate comments. ;p

LuciferStar

Nov 29 2004, 11:43 AM

[quote=tmonty,Nov 26 2004, 06:23 PM]Source -> [url=http://www.kalisz.mm.pl/~tm/etc/code.cpp]http://www.kalisz.mm.pl/~tm/etc/code.cpp[/url]

Sorry for late, I musted translate comments. ;p

[/quote]

I'm so sorry that you stored the key.

LuciferStar

Dec 4 2004, 10:16 AM

if someone know the algrithm,then he can easily use brute force to know your password.

tmonty

Dec 4 2004, 01:02 PM

If U have the source, U can decode any file without password.

LuciferStar

Dec 5 2004, 03:52 AM

QUOTE(tmonty @ Dec 4 2004, 01:02 PM)

If U have the source, U can decode any file without password.

Yes.
I can find out your ciphered password stored in the encrypted file,
and try to make the true password out,
decipher your secret.

your algrithm is secure based on algrithm-unknown-to-others.

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