AutoIt

Blowfish Encryption to Match PHP's Mcrypt Extension

See more Encryption Examples

Demonstrates how to match Blowfish encryption results with PHP's mcrypt extension.

Please refer to this PHP (non-Chilkat) example for PHP Blowfish Encryption. The code here matches the PHP mcrypt results on that web page.

AutoIt

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

$oCrypt = ObjCreate("Chilkat.Crypt2")

;  Use "blowfish2" to get proper results:
$oCrypt.CryptAlgorithm = "blowfish2"

;  CipherMode may be "ecb" or "cbc"
$oCrypt.CipherMode = "cbc"

;  KeyLength (in bits) may be a number between 32 and 448.
;  128-bits is usually sufficient.  The KeyLength must be a 
;  multiple of 8.
$oCrypt.KeyLength = 256

;  Pad with NULL bytes (PHP pads with NULL bytes)
$oCrypt.PaddingScheme = 3

;  EncodingMode specifies the encoding of the output for
;  encryption, and the input for decryption.
;  It may be "hex", "url", "base64", or "quoted-printable".
$oCrypt.EncodingMode = "hex"

;  The blowfish algorithm uses a 64-bit block size, 
;  therefore the IV must be 8 bytes:
Local $sIvAscii = "12345678"
$oCrypt.SetEncodedIV $sIvAscii,"ascii"

;  For 256-bit encryption, the key is 32 bytes:
Local $sKeyAscii = "1234567890123456ABCDEFGHIJKLMNOP"
$oCrypt.SetEncodedKey $sKeyAscii,"ascii"

Local $sPlainText
$sPlainText = "The quick brown fox jumped over the lazy dog"

Local $sCipherText = $oCrypt.EncryptStringENC($sPlainText)
ConsoleWrite($sCipherText & @CRLF)
;  Output should be (case insensitive):
;  276855ca6c0d60f7d9708210440c1072e05d078e733b34b4198d609dc2fcc2f0c30926cdef3b6d52baf6e345aa03f83e

;  Do 128-bit Blowfish encryption:
$oCrypt.KeyLength = 128
$sKeyAscii = "1234567890123456"
$oCrypt.SetEncodedKey $sKeyAscii,"ascii"

$sCipherText = $oCrypt.EncryptStringENC($sPlainText)
ConsoleWrite($sCipherText & @CRLF)
;  Output should be (case insensitive):
;  d2b5abb73208aea3790621d028afcc74d8dd65fb9ea8e666444a72523f5ecca60df79a424e2c714fa6efbafcc40bdca0