| I've been watching season 3, and came across a shocking revelation: Anime highschoolers are disturbingly bad at cryptography. All they had to do is sum up 5 boolean values, but they encountered some serious security risks, when that's rather easy to avoid through some math. Here is how you actually should play that game: 1. Your secret value is 1 for true, and 0 for false. 2. Generate 5 random numbers. (2 digits should be large enough) 3. Add your secret value to each, and send one of them to all the participants. (including yourself) 4. Publically announce the sum of all received numbers. 5. Sum those up. 6. Publically announce the sum of your random numbers. 7. Subtract those from the value in step 5. 8. Divide the result by 5. If everyone honestly follows these steps, the end result will be the sum of all secret numbers, and the only way anyone could tell what a particular person's secret value was, is if they cooperate with everyone else. (assuming the result isn't obvious, like everyone saying no, that's unavoidable) This is how you were supposed to play that game securely. And yes, I'm fun at parties. |
| wait what? if parties had games like these I would just sit in a corner drinking |
    |
I mean, this is significantly less weird than literally to the party. Also making an open source app for it would make this viable while drinking alone at home. (just admit you don't go to parties) |
| The rules seem OK but you missed the step where you take off one of your clothes if your number adds up to 7 or something. |
 |
Tirinchas said: The rules seem OK but you missed the step where you take off one of your clothes if your number adds up to 7 or something. That step would be really unpopular for everyone involved in a company that appreciates the nuances of cryptography. :( |
| Some people in my school barely remembered how to divide in the last year high school, I doubt cryptography is actually something important for a highschooler's mind. |
| But how do we turn this into a forum game now? |
Ionliosite2 said: Some people in my school barely remembered how to divide in the last year high school, I doubt cryptography is actually something important for a highschooler's mind. You use the / button on the calculator. The same character also signifies division in all programming languages I know. It's rather disturbing how quickly you can forget the basics once you are no longer required to do them by hand, but have a tool to do it for you... ateks said: But how do we turn this into a forum game now? I wouldn't really trust the forum with counting tbh. |
| I've fond memories of 10 yen coins I think.. Those are the ones with holes in them right? In Ranma the homeroom English teacher used a 10 yen coin to fight releasing her ki and turned into a sadistic sexy martial artist .. Most other times she took annoying loli form to hide her true self and martial arts ki.. |
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ryo-san said: I've fond memories of 10 yen coins I think.. Those are the ones with holes in them right? No, it's 5 and 50 yen coins which have holes in. |
| The Japanese education system must be garbage in anime if not even an elite highschool teach this. |
| If you have time to think of a beautiful end, then live beautifully until the end. ” -Gintoki Sakata |
| If you really did this at parties, you might have already picked up a nerd girl who got dragged to the party by her popular bestie. |
No, this isn't my signature. |
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