Convert int to byte array ?

[FreewareFire]

Hi,

 

 

Question: How do i convert an int value to an byte array? Then i need to use it like " byte[0] " ... " [byte[1] " ans so on.

 

Thank you! Please a simple way!!! Or with an explanation? Better a little example! :confused:

[Madz]

I m not sure abou it , but some where i found this code please check it in this it has converted from String to Byte.

 

Imports System
Imports System.IO
Imports System.Security.Cryptography
Imports System.Text

Class FileEncrypt
   Public Shared Function ConvertStringToByteArray(s As [string]) As [byte]()
       Return (New UnicodeEncoding()).GetBytes(s)
   End Function 'ConvertStringToByteArray


   Public Shared Sub Main()
       Dim fs As New FileStream("EncryptedFile.txt", FileMode.Create, FileAccess.Write)

       'Creating a file stream

       Console.WriteLine("Enter Some Text to be stored in encrypted file:")
       Dim strinput As [string] = Console.ReadLine()
       Dim bytearrayinput As [byte]() = ConvertStringToByteArray(strinput)
       'DES instance with random key
       Dim des As New DESCryptoServiceProvider()
       'create DES Encryptor from this instance
       Dim desencrypt As ICryptoTransform = des.CreateEncryptor()
       'Create Crypto Stream that transforms file stream using des encryption
       Dim cryptostream As New CryptoStream(fs, desencrypt, CryptoStreamMode.Write)
       'write out DES encrypted file
       cryptostream.Write(bytearrayinput, 0, bytearrayinput.Length)

       cryptostream.Close()
       'create file stream to read encrypted file back
       Dim fsread As New FileStream("EncryptedFile.txt", FileMode.Open, FileAccess.Read)
       'create DES Decryptor from our des instance
       Dim desdecrypt As ICryptoTransform = des.CreateDecryptor()
       'create crypto stream set to read and do a des decryption transform on incoming bytes
       Dim cryptostreamDecr As New CryptoStream(fsread, desdecrypt, CryptoStreamMode.Read)
       'print out the contents of the decrypted file
       Console.WriteLine(New StreamReader(cryptostreamDecr, New UnicodeEncoding()).ReadToEnd())

       Console.WriteLine ()
       Console.WriteLine ("Press Enter to continue...")
       Console.ReadLine()
   End Sub 'Main
End Class 'FileEncrypt

 

[edit]Funny looking C#[/edit]

Edited May 30, 2003 by Squirm

[FreewareFire]

Thanks

 

But still found the answer - by myself:

 

for exmp. :

 

byte[] memory = BitConverter.GetBytes(Convert.ToInt16(12));

 

This converts first the value 12 into Int16 format (2 Bytes !).

 

Then retrieves from this Int16 value with the GetBytes function the bytes and stores them into varibale "memory".

 

to read each byte of this value you still need to do follow:

 

... = memory[0]; //This puts the first byte of memory to any place you definded before the "=" !

 

to access the 2 Byte: memory[1] - and so on!

 

But thanks! :)