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Results tagged with chosen-plaintext-attack
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user 43997
The attacker can specify his own plain text and encrypt or sign it.
5
votes
1
answer
2k
views
IND-CPA security of CTR mode
Let's suppose CTR mode is instantiated such that the input to the block-cipher is $\langle \mathrm{IV}+\mathrm{ctr}\rangle$ instead of $\mathrm{IV}\mathbin\|\langle \mathrm{ctr}\rangle$, where $\langl …
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