Short break 
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If we encrypt the same message twice, the nonce will* be different and the ciphertext will be different. * CAVEAT EMPTOR
#realworldcryptoPrikaži ovu nit -
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Simplest attack is a minimal forgery (existential forgery), adversary must know content of the message, it might not be that important but it's still not generated by the original sender.
#realworldcryptopic.twitter.com/X1ibibpXF3
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On its own may not mean much, but can be leveraged into more powerful attacks.
#realworldcryptoPrikaži ovu nit -
Universal forgery: for any nonce and message (possibly chosen by the adversary), can compute ciphertext and tag that will be accepted as legit
#realworldcryptoPrikaži ovu nit
Kraj razgovora
Novi razgovor -
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https://publicwww.com/websites/sjcl/ < This is far from complete, but some interesting sites there. Not sure how feasible it is to check if OCB2 specifically is used by any of these sites.
Hvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi
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Čini se da učitavanje traje već neko vrijeme.
Twitter je možda preopterećen ili ima kratkotrajnih poteškoća u radu. Pokušajte ponovno ili potražite dodatne informacije u odjeljku Status Twittera.
crypto as in 'cryptography'