?? win32.asm
字號:
; Don't even think of reading this code
; It was automatically generated by bf586.pl
; Which is a perl program used to generate the x86 assember for
; any of elf, a.out, Win32, or Solaris
; It can be found in SSLeay 0.7.0+
; eric <eay@mincom.oz.au>
;
TITLE bfx86xxxx.asm
.386
.model FLAT
_TEXT SEGMENT
PUBLIC _BF_encrypt
EXTRN _des_SPtrans:DWORD
_BF_encrypt PROC NEAR
push ebp
push ebx
push esi
push edi
;
; Load the 2 words
mov eax, DWORD PTR 20[esp]
mov ecx, DWORD PTR [eax]
mov edx, DWORD PTR 4[eax]
;
; P pointer, s and enc flag
mov edi, DWORD PTR 24[esp]
xor eax, eax
xor ebx, ebx
mov ebp, DWORD PTR 28[esp]
cmp ebp, 0
je $L000start_decrypt
xor ecx, DWORD PTR [edi]
;
; Round 0
ror ecx, 16
mov esi, DWORD PTR 4[edi]
mov al, ch
mov bl, cl
ror ecx, 16
xor edx, esi
mov esi, DWORD PTR 72[eax*4+edi]
mov ebp, DWORD PTR 1096[ebx*4+edi]
mov al, ch
mov bl, cl
add esi, ebp
mov eax, DWORD PTR 2120[eax*4+edi]
xor esi, eax
mov ebp, DWORD PTR 3144[ebx*4+edi]
add esi, ebp
xor eax, eax
xor edx, esi
;
; Round 1
ror edx, 16
mov esi, DWORD PTR 8[edi]
mov al, dh
mov bl, dl
ror edx, 16
xor ecx, esi
mov esi, DWORD PTR 72[eax*4+edi]
mov ebp, DWORD PTR 1096[ebx*4+edi]
mov al, dh
mov bl, dl
add esi, ebp
mov eax, DWORD PTR 2120[eax*4+edi]
xor esi, eax
mov ebp, DWORD PTR 3144[ebx*4+edi]
add esi, ebp
xor eax, eax
xor ecx, esi
;
; Round 2
ror ecx, 16
mov esi, DWORD PTR 12[edi]
mov al, ch
mov bl, cl
ror ecx, 16
xor edx, esi
mov esi, DWORD PTR 72[eax*4+edi]
mov ebp, DWORD PTR 1096[ebx*4+edi]
mov al, ch
mov bl, cl
add esi, ebp
mov eax, DWORD PTR 2120[eax*4+edi]
xor esi, eax
mov ebp, DWORD PTR 3144[ebx*4+edi]
add esi, ebp
xor eax, eax
xor edx, esi
;
; Round 3
ror edx, 16
mov esi, DWORD PTR 16[edi]
mov al, dh
mov bl, dl
ror edx, 16
xor ecx, esi
mov esi, DWORD PTR 72[eax*4+edi]
mov ebp, DWORD PTR 1096[ebx*4+edi]
mov al, dh
mov bl, dl
add esi, ebp
mov eax, DWORD PTR 2120[eax*4+edi]
xor esi, eax
mov ebp, DWORD PTR 3144[ebx*4+edi]
add esi, ebp
xor eax, eax
xor ecx, esi
;
; Round 4
ror ecx, 16
mov esi, DWORD PTR 20[edi]
mov al, ch
mov bl, cl
ror ecx, 16
xor edx, esi
mov esi, DWORD PTR 72[eax*4+edi]
mov ebp, DWORD PTR 1096[ebx*4+edi]
mov al, ch
mov bl, cl
add esi, ebp
mov eax, DWORD PTR 2120[eax*4+edi]
xor esi, eax
mov ebp, DWORD PTR 3144[ebx*4+edi]
add esi, ebp
xor eax, eax
xor edx, esi
;
; Round 5
ror edx, 16
mov esi, DWORD PTR 24[edi]
mov al, dh
mov bl, dl
ror edx, 16
xor ecx, esi
mov esi, DWORD PTR 72[eax*4+edi]
mov ebp, DWORD PTR 1096[ebx*4+edi]
mov al, dh
mov bl, dl
add esi, ebp
mov eax, DWORD PTR 2120[eax*4+edi]
xor esi, eax
mov ebp, DWORD PTR 3144[ebx*4+edi]
add esi, ebp
xor eax, eax
xor ecx, esi
;
; Round 6
ror ecx, 16
mov esi, DWORD PTR 28[edi]
mov al, ch
mov bl, cl
ror ecx, 16
xor edx, esi
mov esi, DWORD PTR 72[eax*4+edi]
mov ebp, DWORD PTR 1096[ebx*4+edi]
mov al, ch
mov bl, cl
add esi, ebp
mov eax, DWORD PTR 2120[eax*4+edi]
xor esi, eax
mov ebp, DWORD PTR 3144[ebx*4+edi]
add esi, ebp
xor eax, eax
xor edx, esi
;
; Round 7
ror edx, 16
mov esi, DWORD PTR 32[edi]
mov al, dh
mov bl, dl
ror edx, 16
xor ecx, esi
mov esi, DWORD PTR 72[eax*4+edi]
mov ebp, DWORD PTR 1096[ebx*4+edi]
mov al, dh
mov bl, dl
add esi, ebp
mov eax, DWORD PTR 2120[eax*4+edi]
xor esi, eax
mov ebp, DWORD PTR 3144[ebx*4+edi]
add esi, ebp
xor eax, eax
xor ecx, esi
;
; Round 8
ror ecx, 16
mov esi, DWORD PTR 36[edi]
mov al, ch
mov bl, cl
ror ecx, 16
xor edx, esi
mov esi, DWORD PTR 72[eax*4+edi]
mov ebp, DWORD PTR 1096[ebx*4+edi]
mov al, ch
mov bl, cl
add esi, ebp
mov eax, DWORD PTR 2120[eax*4+edi]
xor esi, eax
mov ebp, DWORD PTR 3144[ebx*4+edi]
add esi, ebp
xor eax, eax
xor edx, esi
;
; Round 9
ror edx, 16
mov esi, DWORD PTR 40[edi]
mov al, dh
mov bl, dl
ror edx, 16
xor ecx, esi
mov esi, DWORD PTR 72[eax*4+edi]
mov ebp, DWORD PTR 1096[ebx*4+edi]
mov al, dh
mov bl, dl
add esi, ebp
mov eax, DWORD PTR 2120[eax*4+edi]
xor esi, eax
mov ebp, DWORD PTR 3144[ebx*4+edi]
add esi, ebp
xor eax, eax
xor ecx, esi
;
; Round 10
ror ecx, 16
mov esi, DWORD PTR 44[edi]
mov al, ch
mov bl, cl
ror ecx, 16
xor edx, esi
mov esi, DWORD PTR 72[eax*4+edi]
mov ebp, DWORD PTR 1096[ebx*4+edi]
mov al, ch
mov bl, cl
add esi, ebp
mov eax, DWORD PTR 2120[eax*4+edi]
xor esi, eax
mov ebp, DWORD PTR 3144[ebx*4+edi]
add esi, ebp
xor eax, eax
xor edx, esi
;
; Round 11
ror edx, 16
mov esi, DWORD PTR 48[edi]
mov al, dh
mov bl, dl
ror edx, 16
xor ecx, esi
mov esi, DWORD PTR 72[eax*4+edi]
mov ebp, DWORD PTR 1096[ebx*4+edi]
mov al, dh
mov bl, dl
add esi, ebp
mov eax, DWORD PTR 2120[eax*4+edi]
xor esi, eax
mov ebp, DWORD PTR 3144[ebx*4+edi]
add esi, ebp
xor eax, eax
xor ecx, esi
;
; Round 12
ror ecx, 16
mov esi, DWORD PTR 52[edi]
mov al, ch
mov bl, cl
ror ecx, 16
xor edx, esi
mov esi, DWORD PTR 72[eax*4+edi]
mov ebp, DWORD PTR 1096[ebx*4+edi]
mov al, ch
mov bl, cl
add esi, ebp
mov eax, DWORD PTR 2120[eax*4+edi]
xor esi, eax
mov ebp, DWORD PTR 3144[ebx*4+edi]
add esi, ebp
xor eax, eax
xor edx, esi
;
; Round 13
ror edx, 16
mov esi, DWORD PTR 56[edi]
mov al, dh
mov bl, dl
ror edx, 16
xor ecx, esi
mov esi, DWORD PTR 72[eax*4+edi]
mov ebp, DWORD PTR 1096[ebx*4+edi]
mov al, dh
mov bl, dl
add esi, ebp
mov eax, DWORD PTR 2120[eax*4+edi]
xor esi, eax
mov ebp, DWORD PTR 3144[ebx*4+edi]
add esi, ebp
xor eax, eax
xor ecx, esi
;
; Round 14
ror ecx, 16
mov esi, DWORD PTR 60[edi]
mov al, ch
mov bl, cl
ror ecx, 16
xor edx, esi
mov esi, DWORD PTR 72[eax*4+edi]
mov ebp, DWORD PTR 1096[ebx*4+edi]
mov al, ch
mov bl, cl
add esi, ebp
mov eax, DWORD PTR 2120[eax*4+edi]
xor esi, eax
mov ebp, DWORD PTR 3144[ebx*4+edi]
add esi, ebp
xor eax, eax
xor edx, esi
;
; Round 15
ror edx, 16
mov esi, DWORD PTR 64[edi]
mov al, dh
mov bl, dl
ror edx, 16
xor ecx, esi
mov esi, DWORD PTR 72[eax*4+edi]
mov ebp, DWORD PTR 1096[ebx*4+edi]
mov al, dh
mov bl, dl
add esi, ebp
mov eax, DWORD PTR 2120[eax*4+edi]
xor esi, eax
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