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Vic D'Elfant
Past Contributor
Joined: 26 Jun 2002
Posts: 673
Location: The Netherlands
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 Posted: Sun May 02, 2004 5:26 pm Post subject: vdscrypt.dll: PHP server side - VDS client |
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I'm trying to make a PHP serverside script that encodes a string, and a VDS client that decompiles it to retrieve the data the webserver sent.
I'm using the vdscrypt extension, but somehow is the encrypted output of the php script different then the output I get when encoding the same string with the same key and initilization vector with the vdscrypt dll.
PHP:
| Code: | <?php
$key = "very_secret";
$text = "hello!";
$iv = "VDSWORLD";
print base64_encode(mcrypt_encrypt(MCRYPT_BLOWFISH, $key, $text, MCRYPT_MODE_CBC, $iv));
?> |
(this script has also been uploaded to the webserver, see http://vic.vdsworld.com/phpblowf.php)
VDS:
| Code: |
external vdscrypt.dll
#define function, vdsencrypt
info @vdsencrypt(CryptStr, blowfish, VDSWORLD, very_secret, hello!)
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What am I doing wrong? 
Regards,
Vic
BTW: I'm on holiday till friday, so I can't answer your posts till then 
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Skit3000
Admin Team
Joined: 11 May 2002
Posts: 2166
Location: The Netherlands
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Vic D'Elfant
Past Contributor
Joined: 26 Jun 2002
Posts: 673
Location: The Netherlands
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| Posted: Sun May 02, 2004 5:49 pm Post subject: |
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I tried using the base64_encode, because the vdscrypt manual says the following:
| vdscrypt.dll manual wrote: | | ... and all string encryption/decryption with all algorithms are encoded/decoded with Base64 mime ... |
Regards,
Vic
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FreezingFire
Admin Team
Joined: 23 Jun 2002
Posts: 3508
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| Posted: Sun May 02, 2004 7:57 pm Post subject: |
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I believe that the blowfish.dll contains a PHP script in its package, compatible
with the DLL. 
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FreezingFire
VDSWORLD.com
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X-Tools
Valued Contributor
Joined: 20 Sep 2001
Posts: 296
Location: Germany
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| Posted: Mon May 03, 2004 5:22 am Post subject: |
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Hi,
I think your IV is the problem. As I remember the IV has to have a specific lenght (for ex. 16 characters should work). So the encryption is specified.
Bye, Fabian |
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