用VBS模擬實(shí)現(xiàn)PHP的sha1_file函數(shù)效果代碼

    用VBS模擬實(shí)現(xiàn)PHP的sha1_file函數(shù)效果代碼,需要的朋友可以參考下。
    代碼如下:
    Function sha1_file(filename, raw_output)
    Dim HashedData, Utility, Stream
    Set HashedData = CreateObject("CAPICOM.HashedData")
    Set Utility = CreateObject("CAPICOM.Utilities")
    Set Stream = CreateObject("ADODB.Stream")
    HashedData.Algorithm = 0
    Stream.Type = 1
    Stream.Open
    Stream.LoadFromFile filename
    Do Until Stream.EOS
    HashedData.Hash Stream.Read(1024)
    Loop
    If raw_output Then
    sha1_file = Utility.HexToBinary(HashedData.Value)
    Else
    sha1_file = HashedData.Value
    End If
    End Function