- What the algorithm does for you: ensures data is kept confidential and that it cannot be undetectably modified by an attacker
- What the algorithm expects from you: a unique bit of seed data (a nonce) which is never, ever reused (with the same key)
- What happens if you reuse a nonce: complete loss of the confidentiality of your data (provided nonces are reused with the same key). Do NOT let this happen or you are breaking the security of your system
Last active
December 11, 2015 10:59
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Instructions for NaCl's crypto_secretbox
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That is, taking two
secretboxs with the same (key, nonce) pair in the first paragraph. That property doesn't hold once you change either.