'Declarations
Private Const BITS_TO_A_BYTE = 8
Private Const BYTES_TO_A_WORD = 4
Private Const BITS_TO_A_WORD = 32
Private m_lOnBits(30)
Private m_l2Power(30)
Dim objArgs, objFSO
m_lOnBits(0) = CLng(1)
m_lOnBits(1) = CLng(3)
m_lOnBits(2) = CLng(7)
m_lOnBits(3) = CLng(15)
m_lOnBits(4) = CLng(31)
m_lOnBits(5) = CLng(63)
m_lOnBits(6) = CLng(127)
m_lOnBits(7) = CLng(255)
m_lOnBits(8) = CLng(511)
m_lOnBits(9) = CLng(1023)
m_lOnBits(10) = CLng(2047)
m_lOnBits(11) = CLng(4095)
m_lOnBits(12) = CLng(8191)
m_lOnBits(13) = CLng(16383)
m_lOnBits(14) = CLng(32767)
m_lOnBits(15) = CLng(65535)
m_lOnBits(16) = CLng(131071)
m_lOnBits(17) = CLng(262143)
m_lOnBits(18) = CLng(524287)
m_lOnBits(19) = CLng(1048575)
m_lOnBits(20) = CLng(2097151)
m_lOnBits(21) = CLng(4194303)
m_lOnBits(22) = CLng(8388607)
m_lOnBits(23) = CLng(16777215)
m_lOnBits(24) = CLng(33554431)
m_lOnBits(25) = CLng(67108863)
m_lOnBits(26) = CLng(134217727)
m_lOnBits(27) = CLng(268435455)
m_lOnBits(28) = CLng(536870911)
m_lOnBits(29) = CLng(1073741823)
m_lOnBits(30) = CLng(2147483647)
m_l2Power(0) = CLng(1)
m_l2Power(1) = CLng(2)
m_l2Power(2) = CLng(4)
m_l2Power(3) = CLng(8)
m_l2Power(4) = CLng(16)
m_l2Power(5) = CLng(32)
m_l2Power(6) = CLng(64)
m_l2Power(7) = CLng(128)
m_l2Power(8) = CLng(256)
m_l2Power(9) = CLng(512)
m_l2Power(10) = CLng(1024)
m_l2Power(11) = CLng(2048)
m_l2Power(12) = CLng(4096)
m_l2Power(13) = CLng(8192)
m_l2Power(14) = CLng(16384)
m_l2Power(15) = CLng(32768)
m_l2Power(16) = CLng(65536)
m_l2Power(17) = CLng(131072)
m_l2Power(18) = CLng(262144)
m_l2Power(19) = CLng(524288)
m_l2Power(20) = CLng(1048576)
m_l2Power(21) = CLng(2097152)
m_l2Power(22) = CLng(4194304)
m_l2Power(23) = CLng(8388608)
m_l2Power(24) = CLng(16777216)
m_l2Power(25) = CLng(33554432)
m_l2Power(26) = CLng(67108864)
m_l2Power(27) = CLng(134217728)
m_l2Power(28) = CLng(268435456)
m_l2Power(29) = CLng(536870912)
m_l2Power(30) = CLng(1073741824)

'Main Function
Set objArgs = WScript.Arguments
If objArgs.Count < 1 or objArgs.Count > 5 Then
  Call Script_Error
End If
Set objFSO = CreateObject("Scripting.FileSystemObject")
Dim argc, limit, mode, detail, logopt, logfile, valid, other, narg, path
Dim ofile
limit = 0
mode = "inv"
path = ""
ofile = ""
detail = 0
other = 0
logopt = 0
logfile = ""
valid = 0
argc = 0
narg = 0
Do While argc < CInt(objArgs.Count)
Select Case objArgs(argc)
Case "-t"
If CInt(objArgs.Count) > 2 Then
valid = 1
WScript.Echo "Too many arguments supplied"
Else
Dim block, blockc
For blockc = 1 to 1000
block = block & "AAAAAAAAAA"
Next
mode = "t"
End If
Case "-s", "-m"
narg = argc + 1
If narg > CInt(objArgs.Count) Then
valid = 1
WScript.Echo "Not enough arguments supplied"
Else
If objFSO.FolderExists(objArgs(narg)) or limit < 2 then
limit = limit + 1
If objArgs(argc) = "-s" then
mode = "s"
path = objArgs(narg)
disin = "Spidering: " & objArgs(narg)
Else
mode = "m"
path = objArgs(narg)
disin = "Monitoring: " & objArgs(narg)
End If
Else
valid = 1
WScript.Echo "No/Too Many Folders Defined."
End If
End If
Case "-d"
detail = 1
Case "-lc"
narg = argc + 1
If narg > CInt(objArgs.Count) Then
valid = 1
WScript.Echo "No Log file Argument"
Else
Dim logc
Dim logary (10000)
logc = 0
logopt = 1
logfile = objArgs(narg)
End If
Case Else
narg = argc - 1
If narg < 0 Then
other = other + 1
If objFSO.FileExists(objArgs(argc)) Then
     Set objFile = objFSO.GetFile(objArgs(argc))
If objFile.Size > 0 Then
Set objFile = objFSO.OpenTextFile(objArgs(argc), 1)
mdin = objFile.ReadAll
disin = "File: " & objArgs(argc)
ofile = objArgs(argc)
End If
Else
disin = "String: " & objArgs(argc)
mdin = "" & objArgs(argc) & ""
End If
Else
If objArgs(narg) = "-m" or objArgs(narg) = "-s" or objArgs(narg) = "-lc" and other < 2 Then
Else
other = other + 1
If objFSO.FileExists(objArgs(argc)) Then
Set objFile = objFSO.GetFile(objArgs(argc))
If objFile.Size > 0 Then
Set objFile = objFSO.OpenTextFile(objArgs(argc), 1)
mdin = objFile.ReadAll
disin = "File: " & objArgs(argc)
ofile = objArgs(argc)
End If
Else
disin = "String: " & objArgs(argc)
mdin = "" & objArgs(argc) & ""
End If
End If
End If
End Select
argc = argc + 1
Loop
If logopt = 1 and (mode = "inv" or mode = "m") Then
    valid = 1
    WScript.Echo "Logging Option isnt implimented with Monitor mode"
End If
If valid = 1 then
Call Script_Error
End If
WScript.Echo "MD5 Checksum Shell Script"
WScript.Echo ""
If detail = 1 Then
WScript.Echo "Detail is on"
End if
If logopt = 1 Then
WScript.Echo "Logging to file " & logfile
End If
If mode = "t" Then
Dim StartTime, countera, Digest, EndTime, TimeIt, outtime
WScript.Echo "MD5 time trial. Processing 100 10000-byte blocks..."
StartTime = Timer
For countera = 1 To 100
Digest = md5(block)
Next
EndTime = Timer
TimeIt = EndTime - StartTime
outtime = 1000000 / TimeIt
WScript.Echo "Digest = " & Digest
WScript.Echo "Time = " & TimeIt
WScript.Echo "Speed = " & outtime
WScript.Quit
End If
'WScript.Echo ""
If other = 1 Then
mdout = md5(mdin)
If detail = 1 Then
If Left(disin, 4) = "File" Then
WScript.Echo disin
Set objFile = objFSO.GetFile(ofile)
WScript.Echo "Checksum: " & mdout
Wscript.Echo "Date created: " & objFile.DateCreated
Wscript.Echo "Date last accessed: " & objFile.DateLastAccessed
Wscript.Echo "Date last modified: " & objFile.DateLastModified
Wscript.Echo "Size: " & objFile.Size
Wscript.Echo "Type: " & objFile.Type
Else
WScript.Echo disin
WScript.Echo "Checksum: " & mdout
End If
Else
WScript.Echo disin
WScript.Echo "Checksum: " & mdout
End If
Else
Dim monitor
monitor = 0
Do While monitor = 0
Set objFSO = CreateObject("Scripting.FileSystemObject")
Set objFolder = objFSO.GetFolder(path)
If mode = "s" Then
Set filecollection = objFolder.Files
For Each filename In filecollection
Set objFile = objFSO.GetFile(filename)
If objFile.Size > 0 Then
Set objFile = objFSO.OpenTextFile(filename, 1)
mdin = objFile.ReadAll
mdout = md5(mdin)
If detail = 0 then
If logopt = 0 then
WScript.Echo "File: " & filename
WScript.Echo "Checksum: " & mdout
WScript.Echo ""
Else
logary(logc) = "" & filename & "," & mdout
logc = logc + 1
End If
Else
Set objFile = objFSO.GetFile(filename)
If logopt = 0 then
WScript.Echo "File: " & filename
WScript.Echo "Checksum: " & mdout
Wscript.Echo "Date created: " & objFile.DateCreated
Wscript.Echo "Date last accessed: " & objFile.DateLastAccessed
Wscript.Echo "Date last modified: " & objFile.DateLastModified
Wscript.Echo "Size: " & objFile.Size
Wscript.Echo "Type: " & objFile.Type
WScript.Echo ""
Else
logary(logc) = "" & filename & "," & mdout & "," & objFile.DateCreated & "," & objFile.DateLastAccessed & "," & objFile.DateLastModified& "," & objFile.Size & "," & objFile.Type
logc = logc + 1
End If
End If
End If
Next
ShowSubfolders objFSO.GetFolder(path)
Exit Do
Else
Set filecollection = objFolder.Files
For Each filename In filecollection
Set objFile = objFSO.GetFile(filename)
If objFile.Size > 0 Then
Set objFile = objFSO.OpenTextFile(filename, 1)
mdin = objFile.ReadAll
mdout = md5(mdin)
If detail = 0 then
If logopt = 0 then
WScript.Echo "File: " & filename
WScript.Echo "Checksum: " & mdout
WScript.Echo ""
Else
logary(logc) = "" & filename & "," & mdout
logc = logc + 1
End If
Else
Set objFile = objFSO.GetFile(filename)
If logopt = 0 then
WScript.Echo "File: " & filename
WScript.Echo "Checksum: " & mdout
Wscript.Echo "Date created: " & objFile.DateCreated
Wscript.Echo "Date last accessed: " & objFile.DateLastAccessed
Wscript.Echo "Date last modified: " & objFile.DateLastModified
Wscript.Echo "Size: " & objFile.Size
Wscript.Echo "Type: " & objFile.Type
WScript.Echo ""
Else
logary(logc) = "" & filename & "," & mdout & "," & objFile.DateCreated & "," & objFile.DateLastAccessed & "," & objFile.DateLastModified& "," & objFile.Size & "," & objFile.Type
logc = logc + 1
End If
End If
End If
Next
End If
If Err <> 0 Then
Exit Do
End If
WScript.Sleep 300000
loop
End If
writecount = 0
If logopt = 1 Then
Set tf = objFSO.CreateTextFile(logfile)
Do While writecount < logc
tf.WriteLine logary(writecount)
writecount = writecount + 1
Loop
tf.Close
End If
'End of Main Function

Function Script_Error
WScript.Echo ""
WScript.Echo "Calculates a message-digest fingerprint (checksum) for a file/string"
WScript.Echo ""
WScript.Echo "Usage: md5.vbs [ -s dir ] [ -m dir ] [ -d ] [ -lc file ] file/string"
WScript.Echo ""
WScript.Echo "Options : "
WScript.Echo " -t        Runs a built-in time trial"
WScript.Echo " -s directory     Spider recursively all the files located inside the base directory"
WScript.Echo " -m directory    Monitor a directory for changes"
WScript.Echo " -d        Show full details of files being Checksum'd"
WScript.Echo " -lc file        Log to CSV"
WScript.Echo ""
WScript.Quit
End Function

Sub ShowSubFolders(Folder)
For Each Subfolder in Folder.SubFolders
Set objFolder = objFSO.GetFolder(Subfolder.Path)
Set filecollection = objFolder.Files
For Each filename In filecollection
Set objFile = objFSO.GetFile(filename)
If objFile.Size > 0 Then
Set objFile = objFSO.OpenTextFile(filename, 1)
mdin = objFile.ReadAll
mdout = md5(mdin)
If detail = 0 then
If logopt = 0 then
WScript.Echo "File: " & filename
WScript.Echo "Checksum: " & mdout
Wscript.Echo ""
Else
logary(logc) = "" & filename & "," & mdout
logc = logc + 1
End If
Else
Set objFile = objFSO.GetFile(filename)
If logopt = 0 then
WScript.Echo "File: " & filename
WScript.Echo "Checksum: " & mdout
Wscript.Echo "Date created: " & objFile.DateCreated
Wscript.Echo "Date last accessed: " & objFile.DateLastAccessed
Wscript.Echo "Date last modified: " & objFile.DateLastModified
'Wscript.Echo "Path: " & objFile.Path
Wscript.Echo "Size: " & objFile.Size
Wscript.Echo "Type: " & objFile.Type
Wscript.Echo ""
Else
'logary(logc) = "" & filename & "," & mdout & "," & objFile.DateCreated & "," & objFile.DateLastAccessed & "," & objFile.DateLastModified& "," & objFile.Path & "," & objFile.Size & "," & objFile.Type
logary(logc) = "" & filename & "," & mdout & "," & objFile.DateCreated & "," & objFile.DateLastAccessed & "," & objFile.DateLastModified& "," & objFile.Size & "," & objFile.Type
logc = logc + 1
End If
End If
End If
Next
ShowSubFolders Subfolder
Next
End Sub

Private Function LShift(lValue, iShiftBits)
If iShiftBits = 0 Then
LShift = lValue
Exit Function
ElseIf iShiftBits = 31 Then
If lValue And 1 Then
LShift = &H80000000
Else
LShift = 0
End If
Exit Function
ElseIf iShiftBits < 0 Or iShiftBits > 31 Then
Err.Raise 6
End If

If (lValue And m_l2Power(31 - iShiftBits)) Then
LShift = ((lValue And m_lOnBits(31 - (iShiftBits + 1))) * m_l2Power(iShiftBits)) Or &H80000000
Else
LShift = ((lValue And m_lOnBits(31 - iShiftBits)) * m_l2Power(iShiftBits))
End If
End Function

Private Function RShift(lValue, iShiftBits)
If iShiftBits = 0 Then
RShift = lValue
Exit Function
ElseIf iShiftBits = 31 Then
If lValue And &H80000000 Then
RShift = 1
Else
RShift = 0
End If
Exit Function
ElseIf iShiftBits < 0 Or iShiftBits > 31 Then
Err.Raise 6
End If

RShift = (lValue And &H7FFFFFFE) \ m_l2Power(iShiftBits)

If (lValue And &H80000000) Then
RShift = (RShift Or (&H40000000 \ m_l2Power(iShiftBits - 1)))
End If
End Function

Private Function RotateLeft(lValue, iShiftBits)
RotateLeft = LShift(lValue, iShiftBits) Or RShift(lValue, (32 - iShiftBits))
End Function

Private Function AddUnsigned(lX, lY)
Dim lX4
Dim lY4
Dim lX8
Dim lY8
Dim lResult

lX8 = lX And &H80000000
lY8 = lY And &H80000000
lX4 = lX And &H40000000
lY4 = lY And &H40000000

lResult = (lX And &H3FFFFFFF) + (lY And &H3FFFFFFF)

If lX4 And lY4 Then
  AddUnsigned = lResult Xor &H80000000 Xor lX8 Xor lY8
ElseIf lX4 Or lY4 Then
  If lResult And &H40000000 Then
    AddUnsigned = lResult Xor &HC0000000 Xor lX8 Xor lY8
  Else
    AddUnsigned = lResult Xor &H40000000 Xor lX8 Xor lY8
  End If
Else
  AddUnsigned = lResult Xor lX8 Xor lY8
End If

End Function

Private Function F(x, y, z)
F = (x And y) Or ((Not x) And z)
End Function

Private Function G(x, y, z)
G = (x And z) Or (y And (Not z))
End Function

Private Function H(x, y, z)
H = x Xor y Xor z
End Function

Private Function I(x, y, z)
I = y Xor (x Or (Not z))
End Function

Private Sub FF(a, b, c, d, x, s, ac)
a = AddUnsigned(a, AddUnsigned(AddUnsigned(F(b, c, d), x), ac))
a = RotateLeft(a, s)
a = AddUnsigned(a, b)
End Sub

Private Sub GG(a, b, c, d, x, s, ac)
a = AddUnsigned(a, AddUnsigned(AddUnsigned(G(b, c, d), x), ac))
a = RotateLeft(a, s)
a = AddUnsigned(a, b)
End Sub

Private Sub HH(a, b, c, d, x, s, ac)
a = AddUnsigned(a, AddUnsigned(AddUnsigned(H(b, c, d), x), ac))
a = RotateLeft(a, s)
a = AddUnsigned(a, b)
End Sub

Private Sub II(a, b, c, d, x, s, ac)
a = AddUnsigned(a, AddUnsigned(AddUnsigned(I(b, c, d), x), ac))
a = RotateLeft(a, s)
a = AddUnsigned(a, b)
End Sub

Private Function ConvertToWordArray(sMessage)
Dim lMessageLength
Dim lNumberOfWords
Dim lWordArray()
Dim lBytePosition
Dim lByteCount
Dim lWordCount

Const MODULUS_BITS = 512
Const CONGRUENT_BITS = 448

lMessageLength = Len(sMessage)

lNumberOfWords = (((lMessageLength + ((MODULUS_BITS - CONGRUENT_BITS) \ BITS_TO_A_BYTE)) \ (MODULUS_BITS \ BITS_TO_A_BYTE)) + 1) * (MODULUS_BITS \ BITS_TO_A_WORD)
ReDim lWordArray(lNumberOfWords - 1)

lBytePosition = 0
lByteCount = 0
Do Until lByteCount >= lMessageLength
lWordCount = lByteCount \ BYTES_TO_A_WORD
lBytePosition = (lByteCount Mod BYTES_TO_A_WORD) * BITS_TO_A_BYTE
lWordArray(lWordCount) = lWordArray(lWordCount) Or LShift(Asc(Mid(sMessage, lByteCount + 1, 1)), lBytePosition)
lByteCount = lByteCount + 1
Loop

lWordCount = lByteCount \ BYTES_TO_A_WORD
lBytePosition = (lByteCount Mod BYTES_TO_A_WORD) * BITS_TO_A_BYTE

lWordArray(lWordCount) = lWordArray(lWordCount) Or LShift(&H80, lBytePosition)

lWordArray(lNumberOfWords - 2) = LShift(lMessageLength, 3)
lWordArray(lNumberOfWords - 1) = RShift(lMessageLength, 29)

ConvertToWordArray = lWordArray
End Function

Private Function WordToHex(lValue)
Dim lByte
Dim lCount

For lCount = 0 To 3
lByte = RShift(lValue, lCount * BITS_TO_A_BYTE) And m_lOnBits(BITS_TO_A_BYTE - 1)
WordToHex = WordToHex & Right("0" & Hex(lByte), 2)
Next
End Function

Public Function MD5(sMessage)
Dim x
Dim k
Dim AA
Dim BB
Dim CC
Dim DD
Dim a
Dim b
Dim c
Dim d

Const S11 = 7
Const S12 = 12
Const S13 = 17
Const S14 = 22
Const S21 = 5
Const S22 = 9
Const S23 = 14
Const S24 = 20
Const S31 = 4
Const S32 = 11
Const S33 = 16
Const S34 = 23
Const S41 = 6
Const S42 = 10
Const S43 = 15
Const S44 = 21

x = ConvertToWordArray(sMessage)

a = &H67452301
b = &HEFCDAB89
c = &H98BADCFE
d = &H10325476

For k = 0 To UBound(x) Step 16
AA = a
BB = b
CC = c
DD = d

FF a, b, c, d, x(k), S11, &HD76AA478
FF d, a, b, c, x(k Or 1), S12, &HE8C7B756
FF c, d, a, b, x(k Or 2), S13, &H242070DB
FF b, c, d, a, x(k Or 3), S14, &HC1BDCEEE
FF a, b, c, d, x(k Or 4), S11, &HF57C0FAF
FF d, a, b, c, x(k Or 5), S12, &H4787C62A
FF c, d, a, b, x(k Or 6), S13, &HA8304613
FF b, c, d, a, x(k Or 7), S14, &HFD469501
FF a, b, c, d, x(k Or 8), S11, &H698098D8
FF d, a, b, c, x(k Or 9), S12, &H8B44F7AF
FF c, d, a, b, x(k Or 10), S13, &HFFFF5BB1
FF b, c, d, a, x(k Or 11), S14, &H895CD7BE
FF a, b, c, d, x(k Or 12), S11, &H6B901122
FF d, a, b, c, x(k Or 13), S12, &HFD987193
FF c, d, a, b, x(k Or 14), S13, &HA679438E
FF b, c, d, a, x(k Or 15), S14, &H49B40821

GG a, b, c, d, x(k Or 1), S21, &HF61E2562
GG d, a, b, c, x(k Or 6), S22, &HC040B340
GG c, d, a, b, x(k Or 11), S23, &H265E5A51
GG b, c, d, a, x(k), S24, &HE9B6C7AA
GG a, b, c, d, x(k Or 5), S21, &HD62F105D
GG d, a, b, c, x(k Or 10), S22, &H2441453
GG c, d, a, b, x(k Or 15), S23, &HD8A1E681
GG b, c, d, a, x(k Or 4), S24, &HE7D3FBC8
GG a, b, c, d, x(k Or 9), S21, &H21E1CDE6
GG d, a, b, c, x(k Or 14), S22, &HC33707D6
GG c, d, a, b, x(k Or 3), S23, &HF4D50D87
GG b, c, d, a, x(k Or 8), S24, &H455A14ED
GG a, b, c, d, x(k Or 13), S21, &HA9E3E905
GG d, a, b, c, x(k Or 2), S22, &HFCEFA3F8
GG c, d, a, b, x(k Or 7), S23, &H676F02D9
GG b, c, d, a, x(k Or 12), S24, &H8D2A4C8A

HH a, b, c, d, x(k Or 5), S31, &HFFFA3942
HH d, a, b, c, x(k Or 8), S32, &H8771F681
HH c, d, a, b, x(k Or 11), S33, &H6D9D6122
HH b, c, d, a, x(k Or 14), S34, &HFDE5380C
HH a, b, c, d, x(k Or 1), S31, &HA4BEEA44
HH d, a, b, c, x(k Or 4), S32, &H4BDECFA9
HH c, d, a, b, x(k Or 7), S33, &HF6BB4B60
HH b, c, d, a, x(k Or 10), S34, &HBEBFBC70
HH a, b, c, d, x(k Or 13), S31, &H289B7EC6
HH d, a, b, c, x(k), S32, &HEAA127FA
HH c, d, a, b, x(k Or 3), S33, &HD4EF3085
HH b, c, d, a, x(k Or 6), S34, &H4881D05
HH a, b, c, d, x(k Or 9), S31, &HD9D4D039
HH d, a, b, c, x(k Or 12), S32, &HE6DB99E5
HH c, d, a, b, x(k Or 15), S33, &H1FA27CF8
HH b, c, d, a, x(k Or 2), S34, &HC4AC5665

II a, b, c, d, x(k), S41, &HF4292244
II d, a, b, c, x(k Or 7), S42, &H432AFF97
II c, d, a, b, x(k Or 14), S43, &HAB9423A7
II b, c, d, a, x(k Or 5), S44, &HFC93A039
II a, b, c, d, x(k Or 12), S41, &H655B59C3
II d, a, b, c, x(k Or 3), S42, &H8F0CCC92
II c, d, a, b, x(k Or 10), S43, &HFFEFF47D
II b, c, d, a, x(k Or 1), S44, &H85845DD1
II a, b, c, d, x(k Or 8), S41, &H6FA87E4F
II d, a, b, c, x(k Or 15), S42, &HFE2CE6E0
II c, d, a, b, x(k Or 6), S43, &HA3014314
II b, c, d, a, x(k Or 13), S44, &H4E0811A1
II a, b, c, d, x(k Or 4), S41, &HF7537E82
II d, a, b, c, x(k Or 11), S42, &HBD3AF235
II c, d, a, b, x(k Or 2), S43, &H2AD7D2BB
II b, c, d, a, x(k Or 9), S44, &HEB86D391

a = AddUnsigned(a, AA)
b = AddUnsigned(b, BB)
c = AddUnsigned(c, CC)
d = AddUnsigned(d, DD)
Next

MD5 = LCase(WordToHex(a) & WordToHex(b) & WordToHex(c) & WordToHex(d))
End Function