其他

开发平台：
Delphi

：源码内容
							.386p
extrn   _ntohl@4: near
extrn   _htonl@4: near
extrn   _memset : near
extrn   _rand : near
; Segment type:	Pure code
_text		segment	para public 'CODE' use32
		assume cs:_text
		assume es:nothing, ss:nothing, ds:_text, fs:nothing, gs:nothing
TeaEncrypt	proc near
var_10		= dword	ptr -10h
var_C		= dword	ptr -0Ch
var_8		= dword	ptr -8
var_4		= dword	ptr -4
arg_0		= dword	ptr  8
arg_4		= dword	ptr  0Ch
arg_8		= dword	ptr  10h
		push	ebp
		mov	ebp, esp
		sub	esp, 10h
		push	ebx
		push	esi
		mov	esi, [ebp+arg_0]
		push	edi
		push	dword ptr [esi]
		call	_ntohl@4
		push	dword ptr [esi+4]
		mov	edi, eax
		call	_ntohl@4
		mov	ebx, eax
		mov	eax, [ebp+arg_4]
		lea	ecx, [ebp+var_10]
		lea	esi, [ebp+var_10]
		sub	eax, ecx
		mov	[ebp+arg_0], 4
		mov	[ebp+arg_4], eax
		jmp	short loc_0_43D04D
loc_0_43D04A:
		mov	eax, [ebp+arg_4]
loc_0_43D04D:
		push	dword ptr [eax+esi]
		call	_ntohl@4
		mov	[esi], eax
		add	esi, 4
		dec	[ebp+arg_0]
		jnz	short loc_0_43D04A
		push	10h
		xor	eax, eax
		pop	ecx
loc_0_43D064:
		mov	edx, ebx
		mov	esi, ebx
		shr	edx, 5
		add	edx, [ebp+var_C]
		sub	eax, 61C88647h
		shl	esi, 4
		add	esi, [ebp+var_10]
		xor	edx, esi
		lea	esi, [eax+ebx]
		xor	edx, esi
		add	edi, edx
		mov	edx, edi
		mov	esi, edi
		shr	edx, 5
		add	edx, [ebp+var_4]
		shl	esi, 4
		add	esi, [ebp+var_8]
		xor	edx, esi
		lea	esi, [eax+edi]
		xor	edx, esi
		add	ebx, edx
		dec	ecx
		jnz	short loc_0_43D064
		push	edi
		call	_htonl@4
		mov	esi, [ebp+arg_8]
		push	ebx
		mov	[esi], eax
		call	_htonl@4
		mov	[esi+4], eax
		pop	edi
		pop	esi
		pop	ebx
		leave	
		retn	
TeaEncrypt	endp
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
            public  _SymmetryEncrypt
_SymmetryEncrypt		proc near
var_14		= byte ptr -14h
var_D		= byte ptr -0Dh
var_C		= byte ptr -0Ch
var_4		= dword	ptr -4
arg_0		= dword	ptr  8
arg_4		= dword	ptr  0Ch
arg_8		= dword	ptr  10h
arg_C		= dword	ptr  14h
arg_10		= dword	ptr  18h
		push	ebp
		mov	ebp, esp
		sub	esp, 14h
		mov	eax, [ebp+arg_4]
		push	ebx
		push	esi
		push	edi
		push	8
		add	eax, 0Ah
		pop	ebx
		cdq	
		mov	ecx, ebx
		idiv	ecx
		test	edx, edx
		mov	[ebp+var_4], edx
		jz	short loc_0_43D182
		mov	eax, ebx
		sub	eax, edx
		mov	[ebp+var_4], eax
loc_0_43D182:				
		call	_rand
		mov	ecx, eax
		mov	eax, [ebp+var_4]
		and	cl, 0F8h
		push	1
		or	cl, al
		pop	edi
		mov	[ebp+var_C], cl
		mov	ecx, eax
		dec	eax
		test	ecx, ecx
		jz	short loc_0_43D1AE
		lea	esi, [eax+1]
loc_0_43D1A1:				
		call	_rand
		mov	[ebp+edi+var_C], al
		inc	edi
		dec	esi
		jnz	short loc_0_43D1A1
loc_0_43D1AE:			
		push	ebx
		lea	eax, [ebp+var_14]
		push	0
		push	eax
		call	_memset
		mov	esi, [ebp+arg_10]
		lea	eax, [ebp+var_14]
		add	esp, 0Ch
		mov	[ebp+var_4], eax
		and	dword ptr [esi], 0
		mov	[ebp+arg_10], 1
loc_0_43D1D0:			
		cmp	edi, ebx
		jge	short loc_0_43D1E3
		call	_rand
		mov	[ebp+edi+var_C], al
		inc	edi
		inc	[ebp+arg_10]
		cmp	edi, ebx
loc_0_43D1E3:			
		jnz	short loc_0_43D21C
		mov	ecx, [ebp+var_4]
		lea	eax, [ebp+var_C]
		xor	edi, edi
		sub	ecx, eax
loc_0_43D1EF:			
		lea	eax, [ebp+edi+var_C]
		mov	dl, [ecx+eax]
		xor	[eax], dl
		inc	edi
		cmp	edi, ebx
		jl	short loc_0_43D1EF
		push	[ebp+arg_C]
		lea	eax, [ebp+var_C]
		push	[ebp+arg_8]
		push	eax
		call	TeaEncrypt
		mov	eax, [ebp+arg_C]
		add	[esi], ebx
		add	esp, 0Ch
		xor	edi, edi
		add	[ebp+arg_C], ebx
		mov	[ebp+var_4], eax
loc_0_43D21C:			
		cmp	[ebp+arg_10], 2
		jle	short loc_0_43D1D0
loc_0_43D222:			
		cmp	[ebp+arg_4], 0
		jz	short loc_0_43D279
		cmp	edi, ebx
		jge	short loc_0_43D23E
		mov	eax, [ebp+arg_0]
		inc	edi
		inc	[ebp+arg_0]
		dec	[ebp+arg_4]
		mov	al, [eax]
		cmp	edi, ebx
		mov	[ebp+edi+var_D], al
loc_0_43D23E:			
		jnz	short loc_0_43D222
		mov	ecx, [ebp+var_4]
		lea	eax, [ebp+var_C]
		xor	edi, edi
		sub	ecx, eax
loc_0_43D24A:			
		lea	eax, [ebp+edi+var_C]
		mov	dl, [ecx+eax]
		xor	[eax], dl
		inc	edi
		cmp	edi, ebx
		jl	short loc_0_43D24A
		push	[ebp+arg_C]
		lea	eax, [ebp+var_C]
		push	[ebp+arg_8]
		push	eax
		call	TeaEncrypt
		mov	eax, [ebp+arg_C]
		add	[esi], ebx
		add	esp, 0Ch
		xor	edi, edi
		add	[ebp+arg_C], ebx
		mov	[ebp+var_4], eax
		jmp	short loc_0_43D222
loc_0_43D279:
		mov	[ebp+arg_10], 1
loc_0_43D280:
		cmp	edi, ebx
		jge	short loc_0_43D28F
		and	[ebp+edi+var_C], 0
		inc	edi
		inc	[ebp+arg_10]
		cmp	edi, ebx
loc_0_43D28F:
		jnz	short loc_0_43D2C8
		mov	ecx, [ebp+var_4]
		lea	eax, [ebp+var_C]
		xor	edi, edi
		sub	ecx, eax
loc_0_43D29B:
		lea	eax, [ebp+edi+var_C]
		mov	dl, [ecx+eax]
		xor	[eax], dl
		inc	edi
		cmp	edi, ebx
		jl	short loc_0_43D29B
		push	[ebp+arg_C]
		lea	eax, [ebp+var_C]
		push	[ebp+arg_8]
		push	eax
		call	TeaEncrypt
		mov	eax, [ebp+arg_C]
		add	[esi], ebx
		add	esp, 0Ch
		xor	edi, edi
		add	[ebp+arg_C], ebx
		mov	[ebp+var_4], eax
loc_0_43D2C8:
		cmp	[ebp+arg_10], 7
		jle	short loc_0_43D280
		pop	edi
		pop	esi
		pop	ebx
		leave	
		retn	
_SymmetryEncrypt		endp
_text   ends
        end

						