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Rijndael Initialization Vector

Posted on 2007-12-05
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I have some flash actionscript code supposedly used to encrypt/decrypt using rijndael-128. If i were to use this code to encrypt something, what would the initialization vectors be?

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Question by:bolaseal
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by:ozo
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You want to use the same random initialization vector for encrypting and decrypting
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4.2. Rijndael Initialization Vector

           
               It is up to the entity in question how to obtain/compute
               the 32-bit IV. On Unix operating systems one can use
               reasonably   secure   random   number   sources   such   as
               /dev/random.
           
               IV should satisfy the following requirements:
                    .Unique (non-repeating from one packet to another);
                    .Varying "rapidly" (considerable amount of bits change
                      from one IV to another).
           
               It  is  preferable  but  not  required,  that  IV  is
               unpredictable.
           
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