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Unformatted text preview: 2 Decrypts as Money for Alice is $2 Money for Trudy is $1000 ECB Cut and Paste Attack Unit 3 - 78 ECB Weakness Suppose P i = P j Then C i = C j and Trudy knows P i = P j This gives Trudy some information, even if she does not know P i or P j Trudy might know P i Is this a serious issue?...
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- Fall '10
- Information Security, AirTrain Newark, Pj Trudy, C5 Trudy cuts