win32.asm

openssl是ssl的开源项目

	; 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 <[e-mail]>
	; 
	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
	mov	ebp,		DWORD PTR 3144[ebx*4+edi]
	add	esi,		ebp
	xor	eax,		eax
	xor	ecx,		esi
	xor	edx,		DWORD PTR 68[edi]
	mov	eax,		DWORD PTR 20[esp]
	mov	DWORD PTR [eax],edx
	mov	DWORD PTR 4[eax],ecx
	pop	edi
	pop	esi
	pop	ebx
	pop	ebp
	ret
$L000start_decrypt:
	xor	ecx,		DWORD PTR 68[edi]
	; 
	; Round 16
	ror	ecx,		16
	mov	esi,		DWORD PTR 64[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 60[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 56[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 52[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 48[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 44[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 40[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 36[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 32[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 28[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 24[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 20[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 16[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 12[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 8[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 4[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
	xor	edx,		DWORD PTR [edi]
	mov	eax,		DWORD PTR 20[esp]
	mov	DWORD PTR [eax],edx
	mov	DWORD PTR 4[eax],ecx
	pop	edi
	pop	esi
	pop	ebx
	pop	ebp
	ret
_BF_encrypt ENDP
_TEXT	ENDS
END