public DoorUsersForm(EplexLockManagement.DoorUserFormShr SharedDoorUserDataIn, EplexLockManagement ParentForm)
{
InitializeComponent();
SharedDoorUserData = SharedDoorUserDataIn;
_ParentForm = ParentForm;
}
public RenameDoorForm(EplexLockManagement.DoorFormShr SharedDoorDataIn, EplexLockManagement.DoorUserFormShr SharedDoorUserDataIn, EplexLockManagement ParentFormIn)
{
InitializeComponent();
SharedDoorUserData = SharedDoorUserDataIn;
SharedDoorData = SharedDoorDataIn;
_ParentForm = ParentFormIn;
Lock = SharedDoorData.LockListPtr;
}
public PrintAudit(string dataPathIn, EplexLockManagement.SiteFormShr SharedSiteDataIn, EplexLockManagement.UserFormShr SharedUserDataIn, EplexLockManagement.DoorFormShr SharedDoorDataIn, UserAccessInfo[] UsersIn, List <LockSettings> LockIn, EplexLockManagement ParentFormIn)
{
reportPath = dataPathIn;
SharedSiteData = SharedSiteDataIn;
SharedUserData = SharedUserDataIn;
SharedDoorData = SharedDoorDataIn;
Users = UsersIn;
Lock = LockIn;
ParentForm = ParentFormIn;
}
public string AesEncryptor(string payload, EplexLockManagement ParentForm, bool EncryptIt = true)
{
//*************************************************************************************************
//* Encrypt a string
//*************************************************************************************************
if (EncryptIt == false)
{
return(payload);
}
using (var aesAlg = Aes.Create())
{
//*************************************************************************************************
//* Load a random number for the encryprion key base
//*************************************************************************************************
rand.NextBytes(IVe);
// byte[] IVe = Convert.FromBase64String("12345678901234567890");
//*************************************************************************************************
//* Get an encryption key
//*************************************************************************************************
Rfc2898DeriveBytes pdb = new Rfc2898DeriveBytes(EncryptionKey, IVe);
aesAlg.Key = pdb.GetBytes(32);
aesAlg.IV = pdb.GetBytes(16);
//*************************************************************************************************
//* Convert the payload string to an array of bytes
//*************************************************************************************************
byte[] cipherBytes = Encoding.Unicode.GetBytes(payload);
//*************************************************************************************************
//* Set the encryption parameters
//*************************************************************************************************
aesAlg.Mode = CipherMode.CBC;
aesAlg.Padding = PaddingMode.PKCS7;
var encryptor = aesAlg.CreateEncryptor(aesAlg.Key, aesAlg.IV);
//*************************************************************************************************
//* Invoke encryption
//*************************************************************************************************
var encrypted = encryptor.TransformFinalBlock(cipherBytes, 0, cipherBytes.Length);
//*************************************************************************************************
//* Get the encrypted bytes in a local variable
//*************************************************************************************************
var BytesOut = aesAlg.IV.Concat(encrypted).ToArray();
//*************************************************************************************************
//* Convert the encrypted bytes to a string
//*************************************************************************************************
string ReturnStr = Convert.ToBase64String(IVe) + Convert.ToBase64String(BytesOut.ToArray());
return(ReturnStr);
}
}
public string AesDecryptor(string payload, string encryptionTestString, ref bool IsDataEncrypted, EplexLockManagement ParentForm)
{
//*************************************************************************************************
//* Decrypt a string
//*************************************************************************************************
//*************************************************************************************************
//* This looks for the field delimiter in the payload. If it's there, the file is not encrypted
//*************************************************************************************************
if (payload.IndexOf(encryptionTestString) > -1)
{
IsDataEncrypted = false;
return(payload);
}
//*************************************************************************************************
//* Set the encryption flag for the caller
//*************************************************************************************************
IsDataEncrypted = true;
using (var aesAlg = Aes.Create())
{
//*************************************************************************************************
//* Pull the encryption key out of the first 20 bytes of the payload data
//*************************************************************************************************
byte[] IVe = Convert.FromBase64String(payload.Substring(0, 20));
//*************************************************************************************************
//* Get rid of the encryption key base out of the payload data
//*************************************************************************************************
string cipherText = payload.Substring(20).Replace(" ", "+");
//*************************************************************************************************
//* Convert the payload from a string to an array of bytes
//*************************************************************************************************
byte[] cipherBytes = Convert.FromBase64String(cipherText);
//*************************************************************************************************
//* Build the encryiption key
//*************************************************************************************************
Rfc2898DeriveBytes pdb = new Rfc2898DeriveBytes(EncryptionKey, IVe);
aesAlg.Key = pdb.GetBytes(32);
aesAlg.IV = pdb.GetBytes(16);
//*************************************************************************************************
//* Set the encryption parameters
//*************************************************************************************************
aesAlg.Mode = CipherMode.CBC;
aesAlg.Padding = PaddingMode.PKCS7;
var decryptor = aesAlg.CreateDecryptor(aesAlg.Key, aesAlg.IV);
//*************************************************************************************************
//* Invoke encryption
//*************************************************************************************************
var BytesOut = decryptor.TransformFinalBlock(cipherBytes, 0, cipherBytes.Length);
//*************************************************************************************************
//* Convert the encrypted bytes to a string
//*************************************************************************************************
string ReturnStr = Encoding.Unicode.GetString(BytesOut.ToArray());
//*************************************************************************************************
//* Had to get rid of 8 bytes of junk. Don't understand it, or I'd explain further
//*************************************************************************************************
ReturnStr = ReturnStr.Substring(8);
return(ReturnStr);
}
}
public Excel(string path, int sheet, EplexLockManagement _ParentForm)
{
this.path = path;
this.sheet = sheet;
ParentForm = _ParentForm;
}
