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3 votes

Quantum attack on CTR

Disclaimer: I'm one of the authors of the article. poncho's answer is great, but I'd like to just add some additional details that may help you in understanding the article. When describing the ...
Tristan Nemoz's user avatar
4 votes

Quantum attack on CTR

why we have sum over all $x$ here? The difference here is notational. We use the + operator not to mean 'addition with some group operation', but instead that the state can be represented by a ...
poncho's user avatar
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