For AES CBC encryption, whats the importance of the IV?

Posted by Spines on Stack Overflow See other posts from Stack Overflow or by Spines
Published on 2010-04-14T23:20:24Z Indexed on 2010/04/14 23:23 UTC
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cryptography

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encryption

What is the security threat of always using all zeroes for the IV? If it allows the encrypted text to be deciphered, how could an attacker do that?

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