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TITLE crypt586.asm
IF @Version LT 800
ECHO MASM version 8.00 or later is strongly recommended.
ENDIF
.686
.MODEL FLAT
OPTION DOTNAME
IF @Version LT 800
.text$ SEGMENT PAGE 'CODE'
ELSE
.text$ SEGMENT ALIGN(64) 'CODE'
ENDIF
EXTERN _DES_SPtrans:NEAR
ALIGN 16
_fcrypt_body PROC PUBLIC
$L_fcrypt_body_begin::
push ebp
push ebx
push esi
push edi
;
; Load the 2 words
xor edi,edi
xor esi,esi
lea edx,DWORD PTR _DES_SPtrans
push edx
mov ebp,DWORD PTR 28[esp]
push 25
$L000start:
;
; Round 0
mov eax,DWORD PTR 36[esp]
mov edx,esi
shr edx,16
mov ecx,DWORD PTR 40[esp]
xor edx,esi
and eax,edx
and edx,ecx
mov ebx,eax
shl ebx,16
mov ecx,edx
shl ecx,16
xor eax,ebx
xor edx,ecx
mov ebx,DWORD PTR [ebp]
xor eax,ebx
mov ecx,DWORD PTR 4[ebp]
xor eax,esi
xor edx,esi
xor edx,ecx
and eax,0fcfcfcfch
xor ebx,ebx
and edx,0cfcfcfcfh
xor ecx,ecx
mov bl,al
mov cl,ah
ror edx,4
mov ebp,DWORD PTR 4[esp]
xor edi,DWORD PTR [ebx*1+ebp]
mov bl,dl
xor edi,DWORD PTR 0200h[ecx*1+ebp]
mov cl,dh
shr eax,16
xor edi,DWORD PTR 0100h[ebx*1+ebp]
mov bl,ah
shr edx,16
xor edi,DWORD PTR 0300h[ecx*1+ebp]
mov cl,dh
and eax,0ffh
and edx,0ffh
mov ebx,DWORD PTR 0600h[ebx*1+ebp]
xor edi,ebx
mov ebx,DWORD PTR 0700h[ecx*1+ebp]
xor edi,ebx
mov ebx,DWORD PTR 0400h[eax*1+ebp]
xor edi,ebx
mov ebx,DWORD PTR 0500h[edx*1+ebp]
xor edi,ebx
mov ebp,DWORD PTR 32[esp]
;
; Round 1
mov eax,DWORD PTR 36[esp]
mov edx,edi
shr edx,16
mov ecx,DWORD PTR 40[esp]
xor edx,edi
and eax,edx
and edx,ecx
mov ebx,eax
shl ebx,16
mov ecx,edx
shl ecx,16
xor eax,ebx
xor edx,ecx
mov ebx,DWORD PTR 8[ebp]
xor eax,ebx
mov ecx,DWORD PTR 12[ebp]
xor eax,edi
xor edx,edi
xor edx,ecx
and eax,0fcfcfcfch
xor ebx,ebx
and edx,0cfcfcfcfh
xor ecx,ecx
mov bl,al
mov cl,ah
ror edx,4
mov ebp,DWORD PTR 4[esp]
xor esi,DWORD PTR [ebx*1+ebp]
mov bl,dl
xor esi,DWORD PTR 0200h[ecx*1+ebp]
mov cl,dh
shr eax,16
xor esi,DWORD PTR 0100h[ebx*1+ebp]
mov bl,ah
shr edx,16
xor esi,DWORD PTR 0300h[ecx*1+ebp]
mov cl,dh
and eax,0ffh
and edx,0ffh
mov ebx,DWORD PTR 0600h[ebx*1+ebp]
xor esi,ebx
mov ebx,DWORD PTR 0700h[ecx*1+ebp]
xor esi,ebx
mov ebx,DWORD PTR 0400h[eax*1+ebp]
xor esi,ebx
mov ebx,DWORD PTR 0500h[edx*1+ebp]
xor esi,ebx
mov ebp,DWORD PTR 32[esp]
;
; Round 2
mov eax,DWORD PTR 36[esp]
mov edx,esi
shr edx,16
mov ecx,DWORD PTR 40[esp]
xor edx,esi
and eax,edx
and edx,ecx
mov ebx,eax
shl ebx,16
mov ecx,edx
shl ecx,16
xor eax,ebx
xor edx,ecx
mov ebx,DWORD PTR 16[ebp]
xor eax,ebx
mov ecx,DWORD PTR 20[ebp]
xor eax,esi
xor edx,esi
xor edx,ecx
and eax,0fcfcfcfch
xor ebx,ebx
and edx,0cfcfcfcfh
xor ecx,ecx
mov bl,al
mov cl,ah
ror edx,4
mov ebp,DWORD PTR 4[esp]
xor edi,DWORD PTR [ebx*1+ebp]
mov bl,dl
xor edi,DWORD PTR 0200h[ecx*1+ebp]
mov cl,dh
shr eax,16
xor edi,DWORD PTR 0100h[ebx*1+ebp]
mov bl,ah
shr edx,16
xor edi,DWORD PTR 0300h[ecx*1+ebp]
mov cl,dh
and eax,0ffh
and edx,0ffh
mov ebx,DWORD PTR 0600h[ebx*1+ebp]
xor edi,ebx
mov ebx,DWORD PTR 0700h[ecx*1+ebp]
xor edi,ebx
mov ebx,DWORD PTR 0400h[eax*1+ebp]
xor edi,ebx
mov ebx,DWORD PTR 0500h[edx*1+ebp]
xor edi,ebx
mov ebp,DWORD PTR 32[esp]
;
; Round 3
mov eax,DWORD PTR 36[esp]
mov edx,edi
shr edx,16
mov ecx,DWORD PTR 40[esp]
xor edx,edi
and eax,edx
and edx,ecx
mov ebx,eax
shl ebx,16
mov ecx,edx
shl ecx,16
xor eax,ebx
xor edx,ecx
mov ebx,DWORD PTR 24[ebp]
xor eax,ebx
mov ecx,DWORD PTR 28[ebp]
xor eax,edi
xor edx,edi
xor edx,ecx
and eax,0fcfcfcfch
xor ebx,ebx
and edx,0cfcfcfcfh
xor ecx,ecx
mov bl,al
mov cl,ah
ror edx,4
mov ebp,DWORD PTR 4[esp]
xor esi,DWORD PTR [ebx*1+ebp]
mov bl,dl
xor esi,DWORD PTR 0200h[ecx*1+ebp]
mov cl,dh
shr eax,16
xor esi,DWORD PTR 0100h[ebx*1+ebp]
mov bl,ah
shr edx,16
xor esi,DWORD PTR 0300h[ecx*1+ebp]
mov cl,dh
and eax,0ffh
and edx,0ffh
mov ebx,DWORD PTR 0600h[ebx*1+ebp]
xor esi,ebx
mov ebx,DWORD PTR 0700h[ecx*1+ebp]
xor esi,ebx
mov ebx,DWORD PTR 0400h[eax*1+ebp]
xor esi,ebx
mov ebx,DWORD PTR 0500h[edx*1+ebp]
xor esi,ebx
mov ebp,DWORD PTR 32[esp]
;
; Round 4
mov eax,DWORD PTR 36[esp]
mov edx,esi
shr edx,16
mov ecx,DWORD PTR 40[esp]
xor edx,esi
and eax,edx
and edx,ecx
mov ebx,eax
shl ebx,16
mov ecx,edx
shl ecx,16
xor eax,ebx
xor edx,ecx
mov ebx,DWORD PTR 32[ebp]
xor eax,ebx
mov ecx,DWORD PTR 36[ebp]
xor eax,esi
xor edx,esi
xor edx,ecx
and eax,0fcfcfcfch
xor ebx,ebx
and edx,0cfcfcfcfh
xor ecx,ecx
mov bl,al
mov cl,ah
ror edx,4
mov ebp,DWORD PTR 4[esp]
xor edi,DWORD PTR [ebx*1+ebp]
mov bl,dl
xor edi,DWORD PTR 0200h[ecx*1+ebp]
mov cl,dh
shr eax,16
xor edi,DWORD PTR 0100h[ebx*1+ebp]
mov bl,ah
shr edx,16
xor edi,DWORD PTR 0300h[ecx*1+ebp]
mov cl,dh
and eax,0ffh
and edx,0ffh
mov ebx,DWORD PTR 0600h[ebx*1+ebp]
xor edi,ebx
mov ebx,DWORD PTR 0700h[ecx*1+ebp]
xor edi,ebx
mov ebx,DWORD PTR 0400h[eax*1+ebp]
xor edi,ebx
mov ebx,DWORD PTR 0500h[edx*1+ebp]
xor edi,ebx
mov ebp,DWORD PTR 32[esp]
;
; Round 5
mov eax,DWORD PTR 36[esp]
mov edx,edi
shr edx,16
mov ecx,DWORD PTR 40[esp]
xor edx,edi
and eax,edx
and edx,ecx
mov ebx,eax
shl ebx,16
mov ecx,edx
shl ecx,16
xor eax,ebx
xor edx,ecx
mov ebx,DWORD PTR 40[ebp]
xor eax,ebx
mov ecx,DWORD PTR 44[ebp]
xor eax,edi
xor edx,edi
xor edx,ecx
and eax,0fcfcfcfch
xor ebx,ebx
and edx,0cfcfcfcfh
xor ecx,ecx
mov bl,al
mov cl,ah
ror edx,4
mov ebp,DWORD PTR 4[esp]
xor esi,DWORD PTR [ebx*1+ebp]
mov bl,dl
xor esi,DWORD PTR 0200h[ecx*1+ebp]
mov cl,dh
shr eax,16
xor esi,DWORD PTR 0100h[ebx*1+ebp]
mov bl,ah
shr edx,16
xor esi,DWORD PTR 0300h[ecx*1+ebp]
mov cl,dh
and eax,0ffh
and edx,0ffh
mov ebx,DWORD PTR 0600h[ebx*1+ebp]
xor esi,ebx
mov ebx,DWORD PTR 0700h[ecx*1+ebp]
xor esi,ebx
mov ebx,DWORD PTR 0400h[eax*1+ebp]
xor esi,ebx
mov ebx,DWORD PTR 0500h[edx*1+ebp]
xor esi,ebx
mov ebp,DWORD PTR 32[esp]
;
; Round 6
mov eax,DWORD PTR 36[esp]
mov edx,esi
shr edx,16
mov ecx,DWORD PTR 40[esp]
xor edx,esi
and eax,edx
and edx,ecx
mov ebx,eax
shl ebx,16
mov ecx,edx
shl ecx,16
xor eax,ebx
xor edx,ecx
mov ebx,DWORD PTR 48[ebp]
xor eax,ebx
mov ecx,DWORD PTR 52[ebp]
xor eax,esi
xor edx,esi
xor edx,ecx
and eax,0fcfcfcfch
xor ebx,ebx
and edx,0cfcfcfcfh
xor ecx,ecx
mov bl,al
mov cl,ah
ror edx,4
mov ebp,DWORD PTR 4[esp]
xor edi,DWORD PTR [ebx*1+ebp]
mov bl,dl
xor edi,DWORD PTR 0200h[ecx*1+ebp]
mov cl,dh
shr eax,16
xor edi,DWORD PTR 0100h[ebx*1+ebp]
mov bl,ah
shr edx,16
xor edi,DWORD PTR 0300h[ecx*1+ebp]
mov cl,dh
and eax,0ffh
and edx,0ffh
mov ebx,DWORD PTR 0600h[ebx*1+ebp]
xor edi,ebx
mov ebx,DWORD PTR 0700h[ecx*1+ebp]
xor edi,ebx
mov ebx,DWORD PTR 0400h[eax*1+ebp]
xor edi,ebx
mov ebx,DWORD PTR 0500h[edx*1+ebp]
xor edi,ebx
mov ebp,DWORD PTR 32[esp]
;
; Round 7
mov eax,DWORD PTR 36[esp]
mov edx,edi
shr edx,16
mov ecx,DWORD PTR 40[esp]
xor edx,edi
and eax,edx
and edx,ecx
mov ebx,eax
shl ebx,16
mov ecx,edx
shl ecx,16
xor eax,ebx
xor edx,ecx
mov ebx,DWORD PTR 56[ebp]
xor eax,ebx
mov ecx,DWORD PTR 60[ebp]
xor eax,edi
xor edx,edi
xor edx,ecx
and eax,0fcfcfcfch
xor ebx,ebx
and edx,0cfcfcfcfh
xor ecx,ecx
mov bl,al
mov cl,ah
ror edx,4
mov ebp,DWORD PTR 4[esp]
xor esi,DWORD PTR [ebx*1+ebp]
mov bl,dl
xor esi,DWORD PTR 0200h[ecx*1+ebp]
mov cl,dh
shr eax,16
xor esi,DWORD PTR 0100h[ebx*1+ebp]
mov bl,ah
shr edx,16
xor esi,DWORD PTR 0300h[ecx*1+ebp]
mov cl,dh
and eax,0ffh
and edx,0ffh
mov ebx,DWORD PTR 0600h[ebx*1+ebp]
xor esi,ebx
mov ebx,DWORD PTR 0700h[ecx*1+ebp]
xor esi,ebx
mov ebx,DWORD PTR 0400h[eax*1+ebp]
xor esi,ebx
mov ebx,DWORD PTR 0500h[edx*1+ebp]
xor esi,ebx
mov ebp,DWORD PTR 32[esp]
;
; Round 8
mov eax,DWORD PTR 36[esp]
mov edx,esi
shr edx,16
mov ecx,DWORD PTR 40[esp]
xor edx,esi
and eax,edx
and edx,ecx
mov ebx,eax
shl ebx,16
mov ecx,edx
shl ecx,16
xor eax,ebx
xor edx,ecx
mov ebx,DWORD PTR 64[ebp]
xor eax,ebx
mov ecx,DWORD PTR 68[ebp]
xor eax,esi
xor edx,esi
xor edx,ecx
and eax,0fcfcfcfch
xor ebx,ebx
and edx,0cfcfcfcfh
xor ecx,ecx
mov bl,al
mov cl,ah
ror edx,4
mov ebp,DWORD PTR 4[esp]
xor edi,DWORD PTR [ebx*1+ebp]
mov bl,dl
xor edi,DWORD PTR 0200h[ecx*1+ebp]
mov cl,dh
shr eax,16
xor edi,DWORD PTR 0100h[ebx*1+ebp]
mov bl,ah
shr edx,16
xor edi,DWORD PTR 0300h[ecx*1+ebp]
mov cl,dh
and eax,0ffh
and edx,0ffh
mov ebx,DWORD PTR 0600h[ebx*1+ebp]
xor edi,ebx
mov ebx,DWORD PTR 0700h[ecx*1+ebp]
xor edi,ebx
mov ebx,DWORD PTR 0400h[eax*1+ebp]
xor edi,ebx
mov ebx,DWORD PTR 0500h[edx*1+ebp]
xor edi,ebx
mov ebp,DWORD PTR 32[esp]
;
; Round 9
mov eax,DWORD PTR 36[esp]
mov edx,edi
shr edx,16
mov ecx,DWORD PTR 40[esp]
xor edx,edi
and eax,edx
and edx,ecx
mov ebx,eax
shl ebx,16
mov ecx,edx
shl ecx,16
xor eax,ebx
xor edx,ecx
mov ebx,DWORD PTR 72[ebp]
xor eax,ebx
mov ecx,DWORD PTR 76[ebp]
xor eax,edi
xor edx,edi
xor edx,ecx
and eax,0fcfcfcfch
xor ebx,ebx
and edx,0cfcfcfcfh
xor ecx,ecx
mov bl,al
mov cl,ah
ror edx,4
mov ebp,DWORD PTR 4[esp]
xor esi,DWORD PTR [ebx*1+ebp]
mov bl,dl
xor esi,DWORD PTR 0200h[ecx*1+ebp]
mov cl,dh
shr eax,16
xor esi,DWORD PTR 0100h[ebx*1+ebp]
mov bl,ah
shr edx,16
xor esi,DWORD PTR 0300h[ecx*1+ebp]
mov cl,dh
and eax,0ffh
and edx,0ffh
mov ebx,DWORD PTR 0600h[ebx*1+ebp]
xor esi,ebx
mov ebx,DWORD PTR 0700h[ecx*1+ebp]
xor esi,ebx
mov ebx,DWORD PTR 0400h[eax*1+ebp]
xor esi,ebx
mov ebx,DWORD PTR 0500h[edx*1+ebp]
xor esi,ebx
mov ebp,DWORD PTR 32[esp]
;
; Round 10
mov eax,DWORD PTR 36[esp]
mov edx,esi
shr edx,16
mov ecx,DWORD PTR 40[esp]
xor edx,esi
and eax,edx
and edx,ecx
mov ebx,eax
shl ebx,16
mov ecx,edx
shl ecx,16
xor eax,ebx
xor edx,ecx
mov ebx,DWORD PTR 80[ebp]
xor eax,ebx
mov ecx,DWORD PTR 84[ebp]
xor eax,esi
xor edx,esi
xor edx,ecx
and eax,0fcfcfcfch
xor ebx,ebx
and edx,0cfcfcfcfh
xor ecx,ecx
mov bl,al
mov cl,ah
ror edx,4
mov ebp,DWORD PTR 4[esp]
xor edi,DWORD PTR [ebx*1+ebp]
mov bl,dl
xor edi,DWORD PTR 0200h[ecx*1+ebp]
mov cl,dh
shr eax,16
xor edi,DWORD PTR 0100h[ebx*1+ebp]
mov bl,ah
shr edx,16
xor edi,DWORD PTR 0300h[ecx*1+ebp]
mov cl,dh
and eax,0ffh
and edx,0ffh
mov ebx,DWORD PTR 0600h[ebx*1+ebp]
xor edi,ebx
mov ebx,DWORD PTR 0700h[ecx*1+ebp]
xor edi,ebx
mov ebx,DWORD PTR 0400h[eax*1+ebp]
xor edi,ebx
mov ebx,DWORD PTR 0500h[edx*1+ebp]
xor edi,ebx
mov ebp,DWORD PTR 32[esp]
;
; Round 11
mov eax,DWORD PTR 36[esp]
mov edx,edi
shr edx,16
mov ecx,DWORD PTR 40[esp]
xor edx,edi
and eax,edx
and edx,ecx
mov ebx,eax
shl ebx,16
mov ecx,edx
shl ecx,16
xor eax,ebx
xor edx,ecx
mov ebx,DWORD PTR 88[ebp]
xor eax,ebx
mov ecx,DWORD PTR 92[ebp]
xor eax,edi
xor edx,edi
xor edx,ecx
and eax,0fcfcfcfch
xor ebx,ebx
and edx,0cfcfcfcfh
xor ecx,ecx
mov bl,al
mov cl,ah
ror edx,4
mov ebp,DWORD PTR 4[esp]
xor esi,DWORD PTR [ebx*1+ebp]
mov bl,dl
xor esi,DWORD PTR 0200h[ecx*1+ebp]
mov cl,dh
shr eax,16
xor esi,DWORD PTR 0100h[ebx*1+ebp]
mov bl,ah
shr edx,16
xor esi,DWORD PTR 0300h[ecx*1+ebp]
mov cl,dh
and eax,0ffh
and edx,0ffh
mov ebx,DWORD PTR 0600h[ebx*1+ebp]
xor esi,ebx
mov ebx,DWORD PTR 0700h[ecx*1+ebp]
xor esi,ebx
mov ebx,DWORD PTR 0400h[eax*1+ebp]
xor esi,ebx
mov ebx,DWORD PTR 0500h[edx*1+ebp]
xor esi,ebx
mov ebp,DWORD PTR 32[esp]
;
; Round 12
mov eax,DWORD PTR 36[esp]
mov edx,esi
shr edx,16
mov ecx,DWORD PTR 40[esp]
xor edx,esi
and eax,edx
and edx,ecx
mov ebx,eax
shl ebx,16
mov ecx,edx
shl ecx,16
xor eax,ebx
xor edx,ecx
mov ebx,DWORD PTR 96[ebp]
xor eax,ebx
mov ecx,DWORD PTR 100[ebp]
xor eax,esi
xor edx,esi
xor edx,ecx
and eax,0fcfcfcfch
xor ebx,ebx
and edx,0cfcfcfcfh
xor ecx,ecx
mov bl,al
mov cl,ah
ror edx,4
mov ebp,DWORD PTR 4[esp]
xor edi,DWORD PTR [ebx*1+ebp]
mov bl,dl
xor edi,DWORD PTR 0200h[ecx*1+ebp]
mov cl,dh
shr eax,16
xor edi,DWORD PTR 0100h[ebx*1+ebp]
mov bl,ah
shr edx,16
xor edi,DWORD PTR 0300h[ecx*1+ebp]
mov cl,dh
and eax,0ffh
and edx,0ffh
mov ebx,DWORD PTR 0600h[ebx*1+ebp]
xor edi,ebx
mov ebx,DWORD PTR 0700h[ecx*1+ebp]
xor edi,ebx
mov ebx,DWORD PTR 0400h[eax*1+ebp]
xor edi,ebx
mov ebx,DWORD PTR 0500h[edx*1+ebp]
xor edi,ebx
mov ebp,DWORD PTR 32[esp]
;
; Round 13
mov eax,DWORD PTR 36[esp]
mov edx,edi
shr edx,16
mov ecx,DWORD PTR 40[esp]
xor edx,edi
and eax,edx
and edx,ecx
mov ebx,eax
shl ebx,16
mov ecx,edx
shl ecx,16
xor eax,ebx
xor edx,ecx
mov ebx,DWORD PTR 104[ebp]
xor eax,ebx
mov ecx,DWORD PTR 108[ebp]
xor eax,edi
xor edx,edi
xor edx,ecx
and eax,0fcfcfcfch
xor ebx,ebx
and edx,0cfcfcfcfh
xor ecx,ecx
mov bl,al
mov cl,ah
ror edx,4
mov ebp,DWORD PTR 4[esp]
xor esi,DWORD PTR [ebx*1+ebp]
mov bl,dl
xor esi,DWORD PTR 0200h[ecx*1+ebp]
mov cl,dh
shr eax,16
xor esi,DWORD PTR 0100h[ebx*1+ebp]
mov bl,ah
shr edx,16
xor esi,DWORD PTR 0300h[ecx*1+ebp]
mov cl,dh
and eax,0ffh
and edx,0ffh
mov ebx,DWORD PTR 0600h[ebx*1+ebp]
xor esi,ebx
mov ebx,DWORD PTR 0700h[ecx*1+ebp]
xor esi,ebx
mov ebx,DWORD PTR 0400h[eax*1+ebp]
xor esi,ebx
mov ebx,DWORD PTR 0500h[edx*1+ebp]
xor esi,ebx
mov ebp,DWORD PTR 32[esp]
;
; Round 14
mov eax,DWORD PTR 36[esp]
mov edx,esi
shr edx,16
mov ecx,DWORD PTR 40[esp]
xor edx,esi
and eax,edx
and edx,ecx
mov ebx,eax
shl ebx,16
mov ecx,edx
shl ecx,16
xor eax,ebx
xor edx,ecx
mov ebx,DWORD PTR 112[ebp]
xor eax,ebx
mov ecx,DWORD PTR 116[ebp]
xor eax,esi
xor edx,esi
xor edx,ecx
and eax,0fcfcfcfch
xor ebx,ebx
and edx,0cfcfcfcfh
xor ecx,ecx
mov bl,al
mov cl,ah
ror edx,4
mov ebp,DWORD PTR 4[esp]
xor edi,DWORD PTR [ebx*1+ebp]
mov bl,dl
xor edi,DWORD PTR 0200h[ecx*1+ebp]
mov cl,dh
shr eax,16
xor edi,DWORD PTR 0100h[ebx*1+ebp]
mov bl,ah
shr edx,16
xor edi,DWORD PTR 0300h[ecx*1+ebp]
mov cl,dh
and eax,0ffh
and edx,0ffh
mov ebx,DWORD PTR 0600h[ebx*1+ebp]
xor edi,ebx
mov ebx,DWORD PTR 0700h[ecx*1+ebp]
xor edi,ebx
mov ebx,DWORD PTR 0400h[eax*1+ebp]
xor edi,ebx
mov ebx,DWORD PTR 0500h[edx*1+ebp]
xor edi,ebx
mov ebp,DWORD PTR 32[esp]
;
; Round 15
mov eax,DWORD PTR 36[esp]
mov edx,edi
shr edx,16
mov ecx,DWORD PTR 40[esp]
xor edx,edi
and eax,edx
and edx,ecx
mov ebx,eax
shl ebx,16
mov ecx,edx
shl ecx,16
xor eax,ebx
xor edx,ecx
mov ebx,DWORD PTR 120[ebp]
xor eax,ebx
mov ecx,DWORD PTR 124[ebp]
xor eax,edi
xor edx,edi
xor edx,ecx
and eax,0fcfcfcfch
xor ebx,ebx
and edx,0cfcfcfcfh
xor ecx,ecx
mov bl,al
mov cl,ah
ror edx,4
mov ebp,DWORD PTR 4[esp]
xor esi,DWORD PTR [ebx*1+ebp]
mov bl,dl
xor esi,DWORD PTR 0200h[ecx*1+ebp]
mov cl,dh
shr eax,16
xor esi,DWORD PTR 0100h[ebx*1+ebp]
mov bl,ah
shr edx,16
xor esi,DWORD PTR 0300h[ecx*1+ebp]
mov cl,dh
and eax,0ffh
and edx,0ffh
mov ebx,DWORD PTR 0600h[ebx*1+ebp]
xor esi,ebx
mov ebx,DWORD PTR 0700h[ecx*1+ebp]
xor esi,ebx
mov ebx,DWORD PTR 0400h[eax*1+ebp]
xor esi,ebx
mov ebx,DWORD PTR 0500h[edx*1+ebp]
xor esi,ebx
mov ebp,DWORD PTR 32[esp]
mov ebx,DWORD PTR [esp]
mov eax,edi
dec ebx
mov edi,esi
mov esi,eax
mov DWORD PTR [esp],ebx
jnz $L000start
;
; FP
mov edx,DWORD PTR 28[esp]
ror edi,1
mov eax,esi
xor esi,edi
and esi,0aaaaaaaah
xor eax,esi
xor edi,esi
;
rol eax,23
mov esi,eax
xor eax,edi
and eax,003fc03fch
xor esi,eax
xor edi,eax
;
rol esi,10
mov eax,esi
xor esi,edi
and esi,033333333h
xor eax,esi
xor edi,esi
;
rol edi,18
mov esi,edi
xor edi,eax
and edi,0fff0000fh
xor esi,edi
xor eax,edi
;
rol esi,12
mov edi,esi
xor esi,eax
and esi,0f0f0f0f0h
xor edi,esi
xor eax,esi
;
ror eax,4
mov DWORD PTR [edx],eax
mov DWORD PTR 4[edx],edi
add esp,8
pop edi
pop esi
pop ebx
pop ebp
ret
_fcrypt_body ENDP
.text$ ENDS
END