Thread: MD5 Encrypting easily in VB.net

Hey guys,

im just releasing my new MD5 Encrypting Function to make it easier getting a MD5 String.

Code:

PHP Code:

    Public Function MD5StringHash(ByVal strString As String) As String
        Dim MD5 As New MD5CryptoServiceProvider
        Dim Data As Byte()
        Dim Result As Byte()
        Dim Res As String = ""
        Dim Tmp As String = ""

        Data = Encoding.ASCII.GetBytes(strString)
        Result = MD5.ComputeHash(Data)
        For i As Integer = 0 To Result.Length - 1
            Tmp = Hex(Result(i))
            If Len(Tmp) = 1 Then Tmp = "0" & Tmp
            Res += Tmp
        Next
        Return Res
    End Function 


Have Fun,
greets jstyler.

Just to clarify for anyone who ever views this thread. This is NOT encrypting. This is hashing.

Here's the difference:
- Hashing algorithms are one way functions that are designed to be irreversible. Hashes act as signatures/verification methods. MD5, due to security flaws, is now more suited as a checksum function rather than securely storing data for verification.
- Encrypting is the act of applying some reversible algorithm to data. An encryption is used to store/transmit data securely. It is different than a hash because it is designed to be reversed back to plaintext using a key and, if necessary, an initialization vector (I.V.).

My point: Don't use this for storing data if you want to see that data again. Don't use this for storing/generating passwords because it's not secure. Don't use this for authentication.