Encriptar contraseñas con MD5 en C# y VB.NET (Obsoleto)

ADVERTENCIA!!! la encriptacion con la funcion md5() es insegura, es mejor usar la encriptacion BCrypt

Para encriptar contraseñas en tu base de datos lo mas comun es usar la ecriptacion MD5

Codigo C#:

public string GetMD5Hash(string input)
{
    MD5CryptoServiceProvider x = new MD5CryptoServiceProvider();
    byte[] bs = Encoding.UTF8.GetBytes(input);
    bs = x.ComputeHash(bs);
    StringBuilder s = new StringBuilder();
    foreach (byte b in bs)
    {
        s.Append(b.ToString("x2").ToLower());
    }
    string password = s.ToString();
    return password;
}

Codigo VB.NET:

Public Function GetMD5Hash(input As String) As String

    Dim x As New MD5CryptoServiceProvider()
    Byte() bs = Encoding.UTF8.GetBytes(input)
    bs = x.ComputeHash(bs)
    Dim s As New StringBuilder()
    For Each b As Byte in bs

        s.Append(b.ToString("x2").ToLower())

    Next
    Dim password As String = s.ToString()
    Return password

End Function

Publicado en tttony.blogspot.com