;Begin of CRC32 Function :)
;Base Idea:
;Function proc sInput,sOutput,inputlength,key

.data
szCRCTable	dd 000000000h, 077073096h, 0EE0E612Ch, 0990951BAh, 0076DC419h, 0706AF48Fh
		dd 0E963A535h, 09E6495A3h, 00EDB8832h, 079DCB8A4h, 0E0D5E91Eh, 097D2D988h
		dd 009B64C2Bh, 07EB17CBDh, 0E7B82D07h, 090BF1D91h, 01DB71064h, 06AB020F2h
		dd 0F3B97148h, 084BE41DEh, 01ADAD47Dh, 06DDDE4EBh, 0F4D4B551h, 083D385C7h
		dd 0136C9856h, 0646BA8C0h, 0FD62F97Ah, 08A65C9ECh, 014015C4Fh, 063066CD9h
		dd 0FA0F3D63h, 08D080DF5h, 03B6E20C8h, 04C69105Eh, 0D56041E4h, 0A2677172h
		dd 03C03E4D1h, 04B04D447h, 0D20D85FDh, 0A50AB56Bh, 035B5A8FAh, 042B2986Ch
		dd 0DBBBC9D6h, 0ACBCF940h, 032D86CE3h, 045DF5C75h, 0DCD60DCFh, 0ABD13D59h
		dd 026D930ACh, 051DE003Ah, 0C8D75180h, 0BFD06116h, 021B4F4B5h, 056B3C423h
		dd 0CFBA9599h, 0B8BDA50Fh, 02802B89Eh, 05F058808h, 0C60CD9B2h, 0B10BE924h
		dd 02F6F7C87h, 058684C11h, 0C1611DABh, 0B6662D3Dh, 076DC4190h, 001DB7106h
		dd 098D220BCh, 0EFD5102Ah, 071B18589h, 006B6B51Fh, 09FBFE4A5h, 0E8B8D433h
		dd 07807C9A2h, 00F00F934h, 09609A88Eh, 0E10E9818h, 07F6A0DBBh, 0086D3D2Dh
		dd 091646C97h, 0E6635C01h, 06B6B51F4h, 01C6C6162h, 0856530D8h, 0F262004Eh
		dd 06C0695EDh, 01B01A57Bh, 08208F4C1h, 0F50FC457h, 065B0D9C6h, 012B7E950h
		dd 08BBEB8EAh, 0FCB9887Ch, 062DD1DDFh, 015DA2D49h, 08CD37CF3h, 0FBD44C65h
		dd 04DB26158h, 03AB551CEh, 0A3BC0074h, 0D4BB30E2h, 04ADFA541h, 03DD895D7h
		dd 0A4D1C46Dh, 0D3D6F4FBh, 04369E96Ah, 0346ED9FCh, 0AD678846h, 0DA60B8D0h
		dd 044042D73h, 033031DE5h, 0AA0A4C5Fh, 0DD0D7CC9h, 05005713Ch, 0270241AAh
		dd 0BE0B1010h, 0C90C2086h, 05768B525h, 0206F85B3h, 0B966D409h, 0CE61E49Fh
		dd 05EDEF90Eh, 029D9C998h, 0B0D09822h, 0C7D7A8B4h, 059B33D17h, 02EB40D81h
		dd 0B7BD5C3Bh, 0C0BA6CADh, 0EDB88320h, 09ABFB3B6h, 003B6E20Ch, 074B1D29Ah
		dd 0EAD54739h, 09DD277AFh, 004DB2615h, 073DC1683h, 0E3630B12h, 094643B84h
		dd 00D6D6A3Eh, 07A6A5AA8h, 0E40ECF0Bh, 09309FF9Dh, 00A00AE27h, 07D079EB1h
		dd 0F00F9344h, 08708A3D2h, 01E01F268h, 06906C2FEh, 0F762575Dh, 0806567CBh
		dd 0196C3671h, 06E6B06E7h, 0FED41B76h, 089D32BE0h, 010DA7A5Ah, 067DD4ACCh
		dd 0F9B9DF6Fh, 08EBEEFF9h, 017B7BE43h, 060B08ED5h, 0D6D6A3E8h, 0A1D1937Eh
		dd 038D8C2C4h, 04FDFF252h, 0D1BB67F1h, 0A6BC5767h, 03FB506DDh, 048B2364Bh
		dd 0D80D2BDAh, 0AF0A1B4Ch, 036034AF6h, 041047A60h, 0DF60EFC3h, 0A867DF55h
		dd 0316E8EEFh, 04669BE79h, 0CB61B38Ch, 0BC66831Ah, 0256FD2A0h, 05268E236h
		dd 0CC0C7795h, 0BB0B4703h, 0220216B9h, 05505262Fh, 0C5BA3BBEh, 0B2BD0B28h
		dd 02BB45A92h, 05CB36A04h, 0C2D7FFA7h, 0B5D0CF31h, 02CD99E8Bh, 05BDEAE1Dh
		dd 09B64C2B0h, 0EC63F226h, 0756AA39Ch, 0026D930Ah, 09C0906A9h, 0EB0E363Fh
		dd 072076785h, 005005713h, 095BF4A82h, 0E2B87A14h, 07BB12BAEh, 00CB61B38h
		dd 092D28E9Bh, 0E5D5BE0Dh, 07CDCEFB7h, 00BDBDF21h, 086D3D2D4h, 0F1D4E242h
		dd 068DDB3F8h, 01FDA836Eh, 081BE16CDh, 0F6B9265Bh, 06FB077E1h, 018B74777h
		dd 088085AE6h, 0FF0F6A70h, 066063BCAh, 011010B5Ch, 08F659EFFh, 0F862AE69h
		dd 0616BFFD3h, 0166CCF45h, 0A00AE278h, 0D70DD2EEh, 04E048354h, 03903B3C2h
		dd 0A7672661h, 0D06016F7h, 04969474Dh, 03E6E77DBh, 0AED16A4Ah, 0D9D65ADCh
		dd 040DF0B66h, 037D83BF0h, 0A9BCAE53h, 0DEBB9EC5h, 047B2CF7Fh, 030B5FFE9h
		dd 0BDBDF21Ch, 0CABAC28Ah, 053B39330h, 024B4A3A6h, 0BAD03605h, 0CDD70693h
		dd 054DE5729h, 023D967BFh, 0B3667A2Eh, 0C4614AB8h, 05D681B02h, 02A6F2B94h
		dd 0B40BBE37h, 0C30C8EA1h, 05A05DF1Bh, 02D02EF8Dh

.code

;***************************************************************************************
;Start CRC32 Handler functions
;***************************************************************************************

CRC32_RT proc uses esi edx ecx  _Input:dword,_Output:dword,_len:dword
		call DisableKeyEdit

		mov esi, offset HASHES_Current
		assume esi:ptr HASH_PARAMETERS
		mov ebx, [esi].CRC32parameterA
		push ebx
		assume esi:nothing
		;push -1
		push _len
		push _Output
		push _Input
		call CRC32
		mov	eax,4
        ret
CRC32_RT endp


;***************************************************************************************
;Start CRC32 functions
;***************************************************************************************

CRC32 	proc uses esi edx ecx eax _Input:dword,_Output:dword,_len:dword,_key:dword 
		mov	eax, _key
		mov	esi, _Input
		xor	ecx, ecx
	@LOOP:
		mov	edx, eax
		and	edx, 255
		xor	dl, byte ptr [ecx+esi]
		mov	edx, dword ptr [4*edx+szCRCTable]
		shr	eax, 8
		xor	eax, edx
		inc	ecx
		cmp	ecx, [_len]
		jl	@LOOP
	@DONE:
		xor	eax, _key
		invoke	wsprintf,_Output,addr hex32bit,eax
		xor	ecx, ecx
		ret
CRC32	endp
; ------------------------------------------------------------------------------