Sample code for 30+ languages & platforms
AutoIt

Hash File: SHA-1, HAVAL, MD2, MD5, SHA-256, SHA-384, SHA-512

See more Encryption Examples

Computing the hash for a file of any size.

Chilkat AutoIt Downloads

AutoIt
;  This example assumes the Chilkat API to have been previously unlocked.
;  See Global Unlock Sample for sample code.

$oCrypt = ObjCreate("Chilkat.Crypt2")

;  Any type of file may be hashed.
;  There is  no size limitation because the file is consumed
;  in streaming mode internally.
Local $sFilename
$sFilename = "something.zip"

$oCrypt.HashAlgorithm = "sha1"
$oCrypt.EncodingMode = "hex"

;  Other possible EncodingMode settings are: 
;  "quoted-printable", "base64", "base32", and "url";

Local $sHash = $oCrypt.HashFileENC($sFilename)
ConsoleWrite("SHA1:" & @CRLF)
ConsoleWrite($sHash & @CRLF)

;  Hash using MD2
$oCrypt.HashAlgorithm = "md2"
$sHash = $oCrypt.HashFileENC($sFilename)
ConsoleWrite("MD2:" & @CRLF)
ConsoleWrite($sHash & @CRLF)

;  Hash using MD5
$oCrypt.HashAlgorithm = "md5"
$sHash = $oCrypt.HashFileENC($sFilename)
ConsoleWrite("MD5:" & @CRLF)
ConsoleWrite($sHash & @CRLF)

;  Hash using SHA-256
$oCrypt.HashAlgorithm = "sha256"
$sHash = $oCrypt.HashFileENC($sFilename)
ConsoleWrite("SHA256:" & @CRLF)
ConsoleWrite($sHash & @CRLF)

;  Hash using SHA-384
$oCrypt.HashAlgorithm = "sha384"
$sHash = $oCrypt.HashFileENC($sFilename)
ConsoleWrite("SHA384:" & @CRLF)
ConsoleWrite($sHash & @CRLF)

;  Hash using SHA-512
$oCrypt.HashAlgorithm = "sha512"
$sHash = $oCrypt.HashFileENC($sFilename)
ConsoleWrite("SHA512:" & @CRLF)
ConsoleWrite($sHash & @CRLF)

;  Hash using HAVAL
;  There are two additional properties relevant to HAVAL:
;  HavalRounds, and KeyLength.
;  HavalRounds can have values of 3, 4, or 5.
;  KeyLength can have values of 128, 160, 192, 224, or 256
$oCrypt.HashAlgorithm = "haval"
$oCrypt.HavalRounds = 5
$oCrypt.KeyLength = 256
$sHash = $oCrypt.HashFileENC($sFilename)
ConsoleWrite("Haval:" & @CRLF)
ConsoleWrite($sHash & @CRLF)