Ciphers In (m)asm

[Soul]

Hi people ,

I wrote a few ciphers in (M)ASM , these are:GRAIN,ICE,KASUMI,MERCY,MESH,PLAYFAIR.My request:can anybody test it on his OS ? I have tested it on W2k but maybe it would not work on other OS.

Edit:

Ok , i dropped the ripped ciphers out and I will revise them.

Edit2:

-revised version of KASUMI

-new cipher: Camellia

Edit3:

-new cipher: FROG

Edited April 28, 2008 by Soul

[evlncrn8]

KeyInitialization proc cache:DWORD,szKey:DWORD,szKeylength:DWORD,szIVlength:DWORD

ADD ESP,4

MOV EAX,DWORD PTR SS:[ESP+4h]

MOV ECX,DWORD PTR SS:[ESP+8h]

MOV EDX,DWORD PTR SS:[ESP+0Ch]

MOV DWORD PTR DS:[EAX+280h],ECX

MOV ECX,DWORD PTR SS:[ESP+10h]

MOV DWORD PTR DS:[EAX+284h],EDX

MOV DWORD PTR DS:[EAX+288h],ECX

LEAVE

RETN

KeyInitialization ENDP

pretty bad coding m8, u sure u know what you're doing...?

firstly its a proc that takes params.. so it should end in a ret, considering it has an ebp frame

leave isnt needed either.. and the add esp,4 at the top makes no sense what so ever

should be like...

KeyInitialization proc cache:DWORD,szKey:DWORD,szKeylength:DWORD,szIVlength:DWORD

MOV EAX, [cache]

MOV ECX, [szKey]

MOV EDX, [szKeylength]

MOV DWORD PTR DS:[EAX+280h],ECX

MOV ECX,DWORD PTR SS:[szIVlength]

MOV DWORD PTR DS:[EAX+284h],EDX

MOV DWORD PTR DS:[EAX+288h],ECX

RET

KeyInitialization ENDP

looks better.. no?

Edited March 14, 2008 by evlncrn8

[Loki]

Suggests to me that its ripped from some other app? Perhaps CrypTool?

Did you code these or are they pulled from somewhere else?

[Ufo-Pu55y]

He gives the info himself:

Ripped from C-Source

Regards,

Soul

Tho it's more like from C assembly than from source.

Yes I think it could (should) be cleaned a bit more.

More than ever, if routines are short. Often it's not hard to even optimize em then.

Nevertheless thanks for the efforts

Hard to find sources for uncommon crypt n hash ****..

Edited March 14, 2008 by Ufo-Pu55y

[Soul]

pretty bad coding m8, u sure u know what you're doing...?

He gives the info himself:

QUOTE

Ripped from C-Source

Regards,

Soul

Thx

Yeah it's correct , 3 of the sources are 100% ripped (KASUMI,MERCY,GRAIN) , the other (ICE,MESH,PLAYFAIR) are made by me himself.But thanks for response. ^^

Edited March 14, 2008 by Soul

[evlncrn8]

ripped pretty damned badly... nice idea, but i'd seriously revise the code to show you actually have an understanding of the ciphers / cypher (depending on your personal spelling preference) and havent just kludged this together to look leet.. the ripping of c->asm can be done considerably better... out of curiousity, what program did you use to do the ripping?

Edited March 14, 2008 by evlncrn8

[starzboy]

lolz

[Soul]

ripped pretty damned badly... nice idea, but i'd seriously revise the code to show you actually have an understanding of the ciphers / cypher (depending on your personal spelling preference) and havent just kludged this together to look leet.. the ripping of c->asm can be done considerably better... out of curiousity, what program did you use to do the ripping?

Well , you said it , it was a idea and 3 of them are ripped only.I used OllyDbg nothing more.But if you wish , you can make it better

Edited March 14, 2008 by Soul