Thank you for your response.

As your response, is iv prefixed(concatenated) with ciphertext and that is encoded, 
right?
IV||Ciphertext?

But, How iv and Ciphertext is differentiated?

Thank you.



---------------------------------------------
����(KIM, KISU)
IA SECURITY Inc, Ltd.
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---------------------------------------------
----- Original Message ----- 
From: "Aleksey Sanin" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Cc: <[EMAIL PROTECTED]>
Sent: Saturday, June 08, 2002 12:12 AM
Subject: Re: [xmlsec] Questions about IV(Initial Vector)


> Hi!
> 
> XML Encryption spec describes how the IV vector is used and XML Sec
> library strictly follows the standards :)
> 
> http://www.w3.org/TR/xmlenc-core/#sec-Alg-Block:
> 
> The IV is encoded with and before the cipher text for the algorithms below
> for ease of availability to the decryption code and to emphasize its
> association
> with the cipher text. Good cryptographic practice requires that a
> different IV be
> used for every encryption.
> 
> 
> With best regards,
> 
> Aleksey.
> 
> > Hi....
> > In XMLSec Encryption, if i want to encrypt a data by DES or 3DES
> > how IV is included?
> > I can't know how IV is included in XMLSec encryption examples?
> > I hope quick response.
> > Thanks.
> > ---------------------------------------------
> > ����(KIM, KISU)
> > IA SECURITY Inc, Ltd.
> > 135-744 ����Ư���� ������ ������ 724 V�븮 8��
> > TEL : 02-2040-1309, FAX : 02-2040-1300
> > E-mail : [EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>
> > ---------------------------------------------
> 
> 


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