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909 lines
15 KiB
909 lines
15 KiB
TITLE crypt586.asm
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IF @Version LT 800
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ECHO MASM version 8.00 or later is strongly recommended.
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ENDIF
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.686
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.MODEL FLAT
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OPTION DOTNAME
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IF @Version LT 800
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.text$ SEGMENT PAGE 'CODE'
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ELSE
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.text$ SEGMENT ALIGN(64) 'CODE'
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ENDIF
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EXTERN _DES_SPtrans:NEAR
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ALIGN 16
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_fcrypt_body PROC PUBLIC
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$L_fcrypt_body_begin::
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push ebp
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push ebx
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push esi
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push edi
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;
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; Load the 2 words
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xor edi,edi
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xor esi,esi
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lea edx,DWORD PTR _DES_SPtrans
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push edx
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mov ebp,DWORD PTR 28[esp]
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push 25
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$L000start:
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;
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; Round 0
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mov eax,DWORD PTR 36[esp]
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mov edx,esi
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shr edx,16
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mov ecx,DWORD PTR 40[esp]
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xor edx,esi
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and eax,edx
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and edx,ecx
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mov ebx,eax
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shl ebx,16
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mov ecx,edx
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shl ecx,16
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xor eax,ebx
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xor edx,ecx
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mov ebx,DWORD PTR [ebp]
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xor eax,ebx
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mov ecx,DWORD PTR 4[ebp]
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xor eax,esi
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xor edx,esi
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xor edx,ecx
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and eax,0fcfcfcfch
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xor ebx,ebx
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and edx,0cfcfcfcfh
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xor ecx,ecx
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mov bl,al
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mov cl,ah
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ror edx,4
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mov ebp,DWORD PTR 4[esp]
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xor edi,DWORD PTR [ebx*1+ebp]
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mov bl,dl
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xor edi,DWORD PTR 0200h[ecx*1+ebp]
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mov cl,dh
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shr eax,16
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xor edi,DWORD PTR 0100h[ebx*1+ebp]
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mov bl,ah
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shr edx,16
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xor edi,DWORD PTR 0300h[ecx*1+ebp]
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mov cl,dh
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and eax,0ffh
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and edx,0ffh
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mov ebx,DWORD PTR 0600h[ebx*1+ebp]
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xor edi,ebx
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mov ebx,DWORD PTR 0700h[ecx*1+ebp]
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xor edi,ebx
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mov ebx,DWORD PTR 0400h[eax*1+ebp]
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xor edi,ebx
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mov ebx,DWORD PTR 0500h[edx*1+ebp]
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xor edi,ebx
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mov ebp,DWORD PTR 32[esp]
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;
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; Round 1
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mov eax,DWORD PTR 36[esp]
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mov edx,edi
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shr edx,16
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mov ecx,DWORD PTR 40[esp]
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xor edx,edi
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and eax,edx
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and edx,ecx
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mov ebx,eax
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shl ebx,16
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mov ecx,edx
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shl ecx,16
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xor eax,ebx
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xor edx,ecx
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mov ebx,DWORD PTR 8[ebp]
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xor eax,ebx
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mov ecx,DWORD PTR 12[ebp]
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xor eax,edi
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xor edx,edi
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xor edx,ecx
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and eax,0fcfcfcfch
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xor ebx,ebx
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and edx,0cfcfcfcfh
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xor ecx,ecx
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mov bl,al
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mov cl,ah
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ror edx,4
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mov ebp,DWORD PTR 4[esp]
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xor esi,DWORD PTR [ebx*1+ebp]
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mov bl,dl
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xor esi,DWORD PTR 0200h[ecx*1+ebp]
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mov cl,dh
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shr eax,16
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xor esi,DWORD PTR 0100h[ebx*1+ebp]
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mov bl,ah
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shr edx,16
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xor esi,DWORD PTR 0300h[ecx*1+ebp]
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mov cl,dh
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and eax,0ffh
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and edx,0ffh
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mov ebx,DWORD PTR 0600h[ebx*1+ebp]
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xor esi,ebx
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mov ebx,DWORD PTR 0700h[ecx*1+ebp]
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xor esi,ebx
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mov ebx,DWORD PTR 0400h[eax*1+ebp]
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xor esi,ebx
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mov ebx,DWORD PTR 0500h[edx*1+ebp]
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xor esi,ebx
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mov ebp,DWORD PTR 32[esp]
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;
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; Round 2
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mov eax,DWORD PTR 36[esp]
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mov edx,esi
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shr edx,16
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mov ecx,DWORD PTR 40[esp]
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xor edx,esi
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and eax,edx
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and edx,ecx
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mov ebx,eax
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shl ebx,16
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mov ecx,edx
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shl ecx,16
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xor eax,ebx
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xor edx,ecx
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mov ebx,DWORD PTR 16[ebp]
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xor eax,ebx
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mov ecx,DWORD PTR 20[ebp]
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xor eax,esi
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xor edx,esi
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xor edx,ecx
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and eax,0fcfcfcfch
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xor ebx,ebx
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and edx,0cfcfcfcfh
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xor ecx,ecx
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mov bl,al
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mov cl,ah
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ror edx,4
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mov ebp,DWORD PTR 4[esp]
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xor edi,DWORD PTR [ebx*1+ebp]
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mov bl,dl
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xor edi,DWORD PTR 0200h[ecx*1+ebp]
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mov cl,dh
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shr eax,16
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xor edi,DWORD PTR 0100h[ebx*1+ebp]
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mov bl,ah
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shr edx,16
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xor edi,DWORD PTR 0300h[ecx*1+ebp]
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mov cl,dh
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and eax,0ffh
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and edx,0ffh
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mov ebx,DWORD PTR 0600h[ebx*1+ebp]
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xor edi,ebx
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mov ebx,DWORD PTR 0700h[ecx*1+ebp]
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xor edi,ebx
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mov ebx,DWORD PTR 0400h[eax*1+ebp]
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xor edi,ebx
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mov ebx,DWORD PTR 0500h[edx*1+ebp]
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xor edi,ebx
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mov ebp,DWORD PTR 32[esp]
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;
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; Round 3
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mov eax,DWORD PTR 36[esp]
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mov edx,edi
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shr edx,16
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mov ecx,DWORD PTR 40[esp]
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xor edx,edi
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and eax,edx
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and edx,ecx
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mov ebx,eax
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shl ebx,16
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mov ecx,edx
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shl ecx,16
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xor eax,ebx
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xor edx,ecx
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mov ebx,DWORD PTR 24[ebp]
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xor eax,ebx
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mov ecx,DWORD PTR 28[ebp]
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xor eax,edi
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xor edx,edi
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xor edx,ecx
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and eax,0fcfcfcfch
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xor ebx,ebx
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and edx,0cfcfcfcfh
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xor ecx,ecx
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mov bl,al
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mov cl,ah
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ror edx,4
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mov ebp,DWORD PTR 4[esp]
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xor esi,DWORD PTR [ebx*1+ebp]
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mov bl,dl
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xor esi,DWORD PTR 0200h[ecx*1+ebp]
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mov cl,dh
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shr eax,16
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xor esi,DWORD PTR 0100h[ebx*1+ebp]
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mov bl,ah
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shr edx,16
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xor esi,DWORD PTR 0300h[ecx*1+ebp]
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mov cl,dh
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and eax,0ffh
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and edx,0ffh
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mov ebx,DWORD PTR 0600h[ebx*1+ebp]
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xor esi,ebx
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mov ebx,DWORD PTR 0700h[ecx*1+ebp]
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xor esi,ebx
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mov ebx,DWORD PTR 0400h[eax*1+ebp]
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xor esi,ebx
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mov ebx,DWORD PTR 0500h[edx*1+ebp]
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xor esi,ebx
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mov ebp,DWORD PTR 32[esp]
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;
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; Round 4
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mov eax,DWORD PTR 36[esp]
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mov edx,esi
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shr edx,16
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mov ecx,DWORD PTR 40[esp]
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xor edx,esi
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and eax,edx
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and edx,ecx
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mov ebx,eax
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shl ebx,16
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mov ecx,edx
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shl ecx,16
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xor eax,ebx
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xor edx,ecx
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mov ebx,DWORD PTR 32[ebp]
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xor eax,ebx
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mov ecx,DWORD PTR 36[ebp]
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xor eax,esi
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xor edx,esi
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xor edx,ecx
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and eax,0fcfcfcfch
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xor ebx,ebx
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and edx,0cfcfcfcfh
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xor ecx,ecx
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mov bl,al
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mov cl,ah
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ror edx,4
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mov ebp,DWORD PTR 4[esp]
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xor edi,DWORD PTR [ebx*1+ebp]
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mov bl,dl
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xor edi,DWORD PTR 0200h[ecx*1+ebp]
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mov cl,dh
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shr eax,16
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xor edi,DWORD PTR 0100h[ebx*1+ebp]
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mov bl,ah
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shr edx,16
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xor edi,DWORD PTR 0300h[ecx*1+ebp]
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mov cl,dh
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and eax,0ffh
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and edx,0ffh
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mov ebx,DWORD PTR 0600h[ebx*1+ebp]
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xor edi,ebx
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mov ebx,DWORD PTR 0700h[ecx*1+ebp]
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xor edi,ebx
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mov ebx,DWORD PTR 0400h[eax*1+ebp]
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xor edi,ebx
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mov ebx,DWORD PTR 0500h[edx*1+ebp]
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xor edi,ebx
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mov ebp,DWORD PTR 32[esp]
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;
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; Round 5
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mov eax,DWORD PTR 36[esp]
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mov edx,edi
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shr edx,16
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mov ecx,DWORD PTR 40[esp]
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xor edx,edi
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and eax,edx
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and edx,ecx
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mov ebx,eax
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shl ebx,16
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mov ecx,edx
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shl ecx,16
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xor eax,ebx
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xor edx,ecx
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mov ebx,DWORD PTR 40[ebp]
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xor eax,ebx
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mov ecx,DWORD PTR 44[ebp]
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xor eax,edi
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xor edx,edi
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xor edx,ecx
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and eax,0fcfcfcfch
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xor ebx,ebx
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and edx,0cfcfcfcfh
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xor ecx,ecx
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mov bl,al
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mov cl,ah
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ror edx,4
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mov ebp,DWORD PTR 4[esp]
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xor esi,DWORD PTR [ebx*1+ebp]
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mov bl,dl
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xor esi,DWORD PTR 0200h[ecx*1+ebp]
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mov cl,dh
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shr eax,16
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xor esi,DWORD PTR 0100h[ebx*1+ebp]
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mov bl,ah
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shr edx,16
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xor esi,DWORD PTR 0300h[ecx*1+ebp]
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mov cl,dh
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and eax,0ffh
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and edx,0ffh
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mov ebx,DWORD PTR 0600h[ebx*1+ebp]
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xor esi,ebx
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mov ebx,DWORD PTR 0700h[ecx*1+ebp]
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xor esi,ebx
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mov ebx,DWORD PTR 0400h[eax*1+ebp]
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xor esi,ebx
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mov ebx,DWORD PTR 0500h[edx*1+ebp]
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xor esi,ebx
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mov ebp,DWORD PTR 32[esp]
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;
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; Round 6
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mov eax,DWORD PTR 36[esp]
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mov edx,esi
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shr edx,16
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mov ecx,DWORD PTR 40[esp]
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xor edx,esi
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and eax,edx
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and edx,ecx
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mov ebx,eax
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shl ebx,16
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mov ecx,edx
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shl ecx,16
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xor eax,ebx
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xor edx,ecx
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mov ebx,DWORD PTR 48[ebp]
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xor eax,ebx
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mov ecx,DWORD PTR 52[ebp]
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xor eax,esi
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xor edx,esi
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xor edx,ecx
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and eax,0fcfcfcfch
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xor ebx,ebx
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and edx,0cfcfcfcfh
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xor ecx,ecx
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mov bl,al
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mov cl,ah
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ror edx,4
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mov ebp,DWORD PTR 4[esp]
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xor edi,DWORD PTR [ebx*1+ebp]
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mov bl,dl
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xor edi,DWORD PTR 0200h[ecx*1+ebp]
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mov cl,dh
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shr eax,16
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xor edi,DWORD PTR 0100h[ebx*1+ebp]
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mov bl,ah
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shr edx,16
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xor edi,DWORD PTR 0300h[ecx*1+ebp]
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mov cl,dh
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and eax,0ffh
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and edx,0ffh
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mov ebx,DWORD PTR 0600h[ebx*1+ebp]
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xor edi,ebx
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mov ebx,DWORD PTR 0700h[ecx*1+ebp]
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xor edi,ebx
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mov ebx,DWORD PTR 0400h[eax*1+ebp]
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xor edi,ebx
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mov ebx,DWORD PTR 0500h[edx*1+ebp]
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xor edi,ebx
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mov ebp,DWORD PTR 32[esp]
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;
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; Round 7
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mov eax,DWORD PTR 36[esp]
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mov edx,edi
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shr edx,16
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mov ecx,DWORD PTR 40[esp]
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xor edx,edi
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and eax,edx
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and edx,ecx
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mov ebx,eax
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shl ebx,16
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mov ecx,edx
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shl ecx,16
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xor eax,ebx
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xor edx,ecx
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mov ebx,DWORD PTR 56[ebp]
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xor eax,ebx
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mov ecx,DWORD PTR 60[ebp]
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xor eax,edi
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xor edx,edi
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xor edx,ecx
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and eax,0fcfcfcfch
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xor ebx,ebx
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and edx,0cfcfcfcfh
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xor ecx,ecx
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mov bl,al
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mov cl,ah
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ror edx,4
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mov ebp,DWORD PTR 4[esp]
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xor esi,DWORD PTR [ebx*1+ebp]
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mov bl,dl
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xor esi,DWORD PTR 0200h[ecx*1+ebp]
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mov cl,dh
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shr eax,16
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xor esi,DWORD PTR 0100h[ebx*1+ebp]
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mov bl,ah
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shr edx,16
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xor esi,DWORD PTR 0300h[ecx*1+ebp]
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mov cl,dh
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and eax,0ffh
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and edx,0ffh
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mov ebx,DWORD PTR 0600h[ebx*1+ebp]
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xor esi,ebx
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mov ebx,DWORD PTR 0700h[ecx*1+ebp]
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xor esi,ebx
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mov ebx,DWORD PTR 0400h[eax*1+ebp]
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xor esi,ebx
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mov ebx,DWORD PTR 0500h[edx*1+ebp]
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xor esi,ebx
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mov ebp,DWORD PTR 32[esp]
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;
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; Round 8
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mov eax,DWORD PTR 36[esp]
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mov edx,esi
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shr edx,16
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mov ecx,DWORD PTR 40[esp]
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xor edx,esi
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and eax,edx
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and edx,ecx
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mov ebx,eax
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shl ebx,16
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mov ecx,edx
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shl ecx,16
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xor eax,ebx
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xor edx,ecx
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mov ebx,DWORD PTR 64[ebp]
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xor eax,ebx
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mov ecx,DWORD PTR 68[ebp]
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xor eax,esi
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xor edx,esi
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xor edx,ecx
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and eax,0fcfcfcfch
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xor ebx,ebx
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and edx,0cfcfcfcfh
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xor ecx,ecx
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mov bl,al
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mov cl,ah
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ror edx,4
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mov ebp,DWORD PTR 4[esp]
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xor edi,DWORD PTR [ebx*1+ebp]
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mov bl,dl
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xor edi,DWORD PTR 0200h[ecx*1+ebp]
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mov cl,dh
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shr eax,16
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xor edi,DWORD PTR 0100h[ebx*1+ebp]
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mov bl,ah
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shr edx,16
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xor edi,DWORD PTR 0300h[ecx*1+ebp]
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mov cl,dh
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and eax,0ffh
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and edx,0ffh
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mov ebx,DWORD PTR 0600h[ebx*1+ebp]
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xor edi,ebx
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mov ebx,DWORD PTR 0700h[ecx*1+ebp]
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xor edi,ebx
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mov ebx,DWORD PTR 0400h[eax*1+ebp]
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xor edi,ebx
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mov ebx,DWORD PTR 0500h[edx*1+ebp]
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xor edi,ebx
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mov ebp,DWORD PTR 32[esp]
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;
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; Round 9
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mov eax,DWORD PTR 36[esp]
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mov edx,edi
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shr edx,16
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mov ecx,DWORD PTR 40[esp]
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xor edx,edi
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and eax,edx
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and edx,ecx
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mov ebx,eax
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shl ebx,16
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mov ecx,edx
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shl ecx,16
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xor eax,ebx
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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
|
|
|