哪位兄弟有CRC32算法源代码，vb6的,crc16的就不要了.马上结帐！

tylike 2004-06-28 01:48:30

如题，马上结！

...全文

450 13 打赏收藏转发到动态举报

写回复

用AI写文章

13 条回复

切换为时间正序

请发表友善的回复…

发表回复

唐古拉山 2004-07-07

打赏
举报

当然,我用的汇编

唐古拉山 2004-07-07

打赏
举报

前不久写了个,计算500M数据只要三秒钟左右,速度超级快,呵呵

kmzs 2004-07-06

打赏
举报

支持小来！！！

cbr7619 2004-07-06

打赏
举报

mark
up

laisiwei 2004-07-06

打赏
举报

http://www.vbaccelerator.com/home/VB/Code/Libraries/CRC32/VB_CRC32.zip

tylike 2004-07-06

打赏
举报

真的没有啊

yas 2004-06-30

打赏
举报

跟错贴了，Sorry

yas 2004-06-30

打赏
举报

楼主：
Private Sub Text1_KeyDown(KeyCode As Integer, Shift As Integer)
Text1.SelStart = Len(Text1.Text)
End Sub

davysnet 2004-06-30

打赏
举报

我明白了，两次CRC16加起来就是CRC32，哈哈

tylike 2004-06-30

打赏
举报

to leolan(史留香) ( ) 信誉：110
兄弟，这是16的吧

daisy8675 2004-06-28

打赏
举报

痛苦，用這個算法加密的密碼被偶忘記了，今天弄了一天居然沒有解出來~~

最後還是從回收站把原來沒有加密的文件拿了出來

我再奇怪，我居然沒有shift+del掉呢？

leolan 2004-06-28

打赏
举报

Option Explicit

Dim TabCRC32 As Variant

Public CRCstring As String
Public Function StringCRC32Hex() As String
Dim Res As Long
Res = StringCRC32()
StringCRC32Hex = Hexn(Res, 4)
End Function

Public Function StringCRC32() As Long
Dim Res As Long, slen As String, i As Integer
Res = 0
slen = Len(CRCstring)
For i = 1 To slen
Res = UpdateCRC32(Asc(Mid(CRCstring, i, 1)), Res)
Next i
StringCRC32 = Res
End Function

Private Function UpdateCRC32(Octet As Byte, CRC As Long) As Long
Dim crc1 As Long, crc2 As Long, datal As Long
Dim Index As Integer
datal = Octet
crc1 = CRC Xor datal
crc2 = CRC / 256
crc2 = crc2 And &HFFFFFF
Index = crc1 And 255
UpdateCRC32 = TabCRC32(Index) Xor crc2
End Function

Function Hexn(lData As Long, iLen As Integer) As String
Dim Res As String, Tempstr As String, nb As Integer
Res = Hex(lData)
nb = iLen - Len(Res)
If nb > 0 Then
Tempstr = String$(nb, 48)
Res = Tempstr & Res
End If
If Len(Res) > iLen Then Res = Right$(Res, iLen)
Hexn = Res
End Function

Private Sub Class_Initialize()

TabCRC32 = Array(&H0, &H77073096, &HEE0E612C, &H990951BA, &H76DC419, &H706AF48F, &HE963A535, &H9E6495A3, &HEDB8832, &H79DCB8A4, &HE0D5E91E, &H97D2D988, &H9B64C2B, &H7EB17CBD, &HE7B82D07, &H90BF1D91, &H1DB71064, &H6AB020F2, &HF3B97148, &H84BE41DE, &H1ADAD47D, &H6DDDE4EB, &HF4D4B551, &H83D385C7, &H136C9856, &H646BA8C0, &HFD62F97A, &H8A65C9EC, &H14015C4F, &H63066CD9, &HFA0F3D63, &H8D080DF5, _
&H3B6E20C8, &H4C69105E, &HD56041E4, &HA2677172, &H3C03E4D1, &H4B04D447, &HD20D85FD, &HA50AB56B, &H35B5A8FA, &H42B2986C, &HDBBBC9D6, &HACBCF940, &H32D86CE3, &H45DF5C75, &HDCD60DCF, &HABD13D59, &H26D930AC, &H51DE003A, &HC8D75180, &HBFD06116, &H21B4F4B5, &H56B3C423, &HCFBA9599, &HB8BDA50F, &H2802B89E, &H5F058808, &HC60CD9B2, &HB10BE924, &H2F6F7C87, &H58684C11, &HC1611DAB, &HB6662D3D, _
&H76DC4190, &H1DB7106, &H98D220BC, &HEFD5102A, &H71B18589, &H6B6B51F, &H9FBFE4A5, &HE8B8D433, &H7807C9A2, &HF00F934, &H9609A88E, &HE10E9818, &H7F6A0DBB, &H86D3D2D, &H91646C97, &HE6635C01, &H6B6B51F4, &H1C6C6162, &H856530D8, &HF262004E, &H6C0695ED, &H1B01A57B, &H8208F4C1, &HF50FC457, &H65B0D9C6, &H12B7E950, &H8BBEB8EA, &HFCB9887C, &H62DD1DDF, &H15DA2D49, &H8CD37CF3, &HFBD44C65, _
&H4DB26158, &H3AB551CE, &HA3BC0074, &HD4BB30E2, &H4ADFA541, &H3DD895D7, &HA4D1C46D, &HD3D6F4FB, &H4369E96A, &H346ED9FC, &HAD678846, &HDA60B8D0, &H44042D73, &H33031DE5, &HAA0A4C5F, &HDD0D7CC9, &H5005713C, &H270241AA, &HBE0B1010, &HC90C2086, &H5768B525, &H206F85B3, &HB966D409, &HCE61E49F, &H5EDEF90E, &H29D9C998, &HB0D09822, &HC7D7A8B4, &H59B33D17, &H2EB40D81, &HB7BD5C3B, &HC0BA6CAD, _
&HEDB88320, &H9ABFB3B6, &H3B6E20C, &H74B1D29A, &HEAD54739, &H9DD277AF, &H4DB2615, &H73DC1683, &HE3630B12, &H94643B84, &HD6D6A3E, &H7A6A5AA8, &HE40ECF0B, &H9309FF9D, &HA00AE27, &H7D079EB1, &HF00F9344, &H8708A3D2, &H1E01F268, &H6906C2FE, &HF762575D, &H806567CB, &H196C3671, &H6E6B06E7, &HFED41B76, &H89D32BE0, &H10DA7A5A, &H67DD4ACC, &HF9B9DF6F, &H8EBEEFF9, &H17B7BE43, &H60B08ED5, _
&HD6D6A3E8, &HA1D1937E, &H38D8C2C4, &H4FDFF252, &HD1BB67F1, &HA6BC5767, &H3FB506DD, &H48B2364B, &HD80D2BDA, &HAF0A1B4C, &H36034AF6, &H41047A60, &HDF60EFC3, &HA867DF55, &H316E8EEF, &H4669BE79, &HCB61B38C, &HBC66831A, &H256FD2A0, &H5268E236, &HCC0C7795, &HBB0B4703, &H220216B9, &H5505262F, &HC5BA3BBE, &HB2BD0B28, &H2BB45A92, &H5CB36A04, &HC2D7FFA7, &HB5D0CF31, &H2CD99E8B, &H5BDEAE1D, _
&H9B64C2B0, &HEC63F226, &H756AA39C, &H26D930A, &H9C0906A9, &HEB0E363F, &H72076785, &H5005713, &H95BF4A82, &HE2B87A14, &H7BB12BAE, &HCB61B38, &H92D28E9B, &HE5D5BE0D, &H7CDCEFB7, &HBDBDF21, &H86D3D2D4, &HF1D4E242, &H68DDB3F8, &H1FDA836E, &H81BE16CD, &HF6B9265B, &H6FB077E1, &H18B74777, &H88085AE6, &HFF0F6A70, &H66063BCA, &H11010B5C, &H8F659EFF, &HF862AE69, &H616BFFD3, &H166CCF45, _
&HA00AE278, &HD70DD2EE, &H4E048354, &H3903B3C2, &HA7672661, &HD06016F7, &H4969474D, &H3E6E77DB, &HAED16A4A, &HD9D65ADC, &H40DF0B66, &H37D83BF0, &HA9BCAE53, &HDEBB9EC5, &H47B2CF7F, &H30B5FFE9, &HBDBDF21C, &HCABAC28A, &H53B39330, &H24B4A3A6, &HBAD03605, &HCDD70693, &H54DE5729, &H23D967BF, &HB3667A2E, &HC4614AB8, &H5D681B02, &H2A6F2B94, &HB40BBE37, &HC30C8EA1, &H5A05DF1B, &H2D02EF8D)

End Sub

踏平扶桑 2004-06-28