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I intend to use the AES cipher in counter mode and I’m not sure if I can save iv (nonce + counter) in clear.
3
I intend to use the AES cipher in counter mode and I’m not sure if I can save iv (nonce + counter) in clear.
1
A wikipedia article says (the translation is mine):
A boot vector has different security requirements than a key, so IV doesn’t need to be secret. However, in most cases, it is important that the initialization vector is never reused with the same key.
You don’t need to keep the IV a secret, but you have to make sure it’s one of a kind.
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