From Almighty Scholar to Chief Scientist

However, just when a large group of cryptography experts were worried that the world would be destroyed because of this, suddenly, Tao Zhexuan's words brought them back to reality from the disaster movie.

"You mean, you falsified the P=NP problem? And this function is a one-way function?"

Tao Zhexuan's words finally woke up everyone present.

Oh yes!

A function that seems to be a little more complicated, why can it prove the P=NP problem.

Therefore, there is only one way out of falsification.

Thinking of this, the cryptographers who were still worrying were relieved, and then looked at the function given by Lin Xiao again.

This function is actually a one-way function?

Because it involves some quantum mechanics, it is still somewhat incomprehensible to most cryptography mathematicians. After all, not everyone knows everything like Terence Tao.

However, for these cryptographers, this is a one-way function after all. As an open problem in cryptography, or informatics, there are quite a lot of people who are interested in this thing, so They also try their best to understand this one-way function, see if they can recreate some one-way functions based on this one-way function, and finally create a new password based on it.

Because obviously, using a one-way function as a password is far more secure than using other ordinary functions as a password. After all, this is a password that even P=NP cannot crack.

Of course, Lin Xiao definitely does not know the thoughts of these cryptography experts now, and if he really proves that P=NP, he will definitely not announce it, because he naturally knows that once the cryptography collapses How will it affect the world.

After hearing Tao Zhexuan's words, he smiled and said, "Yes, this is a one-way function."

"As you can see, now we input a function value into it, for example, let X equal to 1, and substitute it in to calculate the value of y, we can easily get the value of y, but at this time if we put the value of y After substituting it in to find the value of x, we were surprised to find that the final calculated value was not 1! It was other values!"

"At this time, we will substitute the other calculated values ​​into the value of x, and the final calculated y is another value!"

"And this is obviously a one-way function."

"So now we can easily give a proof that P is not equal to NP, the edifice of cryptography is still intact, and its firmness has been successfully proved, so some friends who study cryptography in the field, can Celebrated for that."

Lin Xiao's words came from the microphone in Tao Zhexuan's mobile phone, and then passed through the microphone at the conference site to the ears of all the mathematicians present.

These mathematicians couldn't help sighing in their hearts, since Lin Xiao said so, it seems that there is no need to feel any doubts.

Of course, the most important thing is that there is nothing to be confused about, because the function given by Lin Xiao is very simple to verify. You just need to see if it can be as Lin Xiao said, from the value of y. Get the original x value, and even get a wrong x value.

Tao Zhexuan couldn't help but sighed with emotion: "Well, then congratulations to our respected Dr. Lin, who once again successfully solved a Millennium Award problem."

"But to be honest, I'm still curious. What did you seem to say just now? You just happened to have this 'surprising achievement'? What do you mean by this sentence?"

"It's literally because I discovered this magical function for a while, and then you called me and let me participate in our National Mathematicians Conference in this way." Lin Xiao couldn't help but sigh: "What a coincidence."

Hearing Lin Xiao's explanation, the people present immediately showed speechless expressions.

What is all this?

Just in time to make a phone call, and just in time for another Millennium Prize puzzle to be solved?

This is too coincidental, right?

At this time, Lin Xiao asked again: "By the way, speaking of it, I am also curious about why you are standing on the stage now?"

"Uh... I'm on stage because I'm giving the closing speech."

Tao Zhexuan's face was also full of helplessness, who would have thought that such a thing would happen?

When he was giving a speech, because he thought of Lin Xiao, he proposed to call Lin Xiao, so that he could also feel the atmosphere of their current mathematician conference, and this was also supported by everyone.

For the vast majority of people who study mathematics, there is no one who does not respect Lin Xiao, just like the original mathematics emperor Grothendieck, so let thousands of them prepare such a project for Lin Xiao alone, no one I would question that this is the treatment that Lin Xiao should enjoy.

However, who would have thought that such a good project they prepared would have such a plot.

Let Lin Xiao show off in front of them again.

Although Lin Xiao only gave a function, but this is the solution to this millennium problem after all, so this is still an important honor.

And this function does not mean that it is just a function.

After all, as the first one-way function discovered in the history of mathematics, the significance of this function must not only solve a millennium problem. The significance of the one-way function to cryptography is the most important of.

Thinking of this, they didn't know whether to congratulate or envy or hate.

In the end, Tao Zhexuan stopped discussing this matter with Lin Xiao, and began to tease: "However, having said that, the current Cray Research Institute already owes you a lot of money, right?"

Lin Xiao laughed: "That's true, but it depends on whether the Cray Research Institute is willing to come to China to hold this award ceremony. If so, I still welcome it."

"Then I hope Mr. Clay can think about it." Terence Tao also smiled.

The mathematicians present also laughed in the same way.

After that, there was almost nothing to talk about, so Lin Xiao naturally didn't delay their closing ceremony any longer.

He then said: "Okay, friends, thank you for giving me such treatment. I am very touched, and at the same time I also have a sense of honor. Of course, I also know that your closing ceremony will still be held, so don't worry about it." I wasted time."

"Thank you everyone, and I wish our mathematics can interpret all the truths of this universe in the future, goodbye!"

"goodbye!"

Hearing Lin Xiao's farewell, all the mathematicians present waved to Lin Xiao and said goodbye.

And Tao Zhexuan also said goodbye with a smile: "Okay, then goodbye, Lin, I hope we can meet sooner."

Lin Xiao smiled and said, "You all vote to come to Beijing to hold the next conference, and we will definitely be able to meet."

"Haha, this is a good proposal. I hope our World Mathematical Union can consider your proposal."

Terence Tao said.

"Hopefully."

Then, they saw Lin Xiao hang up the video call with a smile on his face.

Putting the phone back, Tao Zhexuan looked at the people present again, spread his hands for the last time, and smiled helplessly: "It seems that Lin is still the same Lin, and his record is still maintained."

The other people also had helpless smiles on their faces.

Indeed, Lin Xiao is still the same Lin Xiao, and has never changed.

Even in this closing ceremony, he kept his record.

It seems that this International Conference of Mathematicians will also leave a deep impression on their minds.

……

On the other side, in Lin Xiao's office.

After hanging up the video, he still couldn't help feeling emotional. He didn't expect that one day, he would be able to appear on the International Congress of Mathematicians in this way.

It's really a bit of a surprise.

But at this moment, he remembered what the system said just now.

Suddenly, he frowned again.

"System, system, what do you mean? What has been falsified, can it be proven again?"

"Or, from a certain point of view, this function is not actually a one-way function?"

He didn't know how to understand such an unbelievable thing.

4 Chapter [-] The disturbance of the one-way function, the lithium-sulfur battery is completed

"Well... I should have told them this possibility by the way, so many mathematicians, maybe they can come up with a solution?"

When he was entangled in this unbelievable matter, Lin Xiao couldn't help but came up with this thought again. Although he is powerful enough, he may not be sure about this kind of problem, maybe he can get some results by brainstorming.

But in the end he shook his head, forget it.

After all, this was what the system told him, and it was precisely because the system told him that he had this feeling of half-belief, and it was "half-belief", not "deeply-believing".

He even suspected that the system's words were just to mislead him, but obviously, judging from the system's past performance, the possibility of such a thing was quite low.

However, now he has this kind of thought in his mind. If he tells other mathematicians at that time, other mathematicians may suspect that he is crazy.

After all, he now wonders if he is crazy.

But at this moment, his eyes suddenly lit up, and he asked the system: "System, how many truth points are needed to solve this problem?"

The system replied after a while: "Considering the host's current level of mathematics and physics, answering this question requires 500 truth points."

"My Cao? Five hundred truth points?"

Hearing the price, Lin Xiao was shocked immediately, good guy, this question is so expensive?

He originally thought that he would buy it if it was below 100 truth points, but he didn't expect the price to be so persuasive.

And what the system also said was, consider his current math and physics grades.

He has already passed the eighth level of mathematics and physics, and he still needs 500 truth points, which is a bit outrageous.

"It seems that there are still some more advanced theories hidden."

In the end, he frowned, and thought about what kind of advanced theory it would be. According to the meaning of the system, this also involves physics. Could it be that some more advanced physics theories are needed?

After thinking for a moment, his brows relaxed again.

"Forget it, let's not worry about it for the time being. The research commissioned by Academician Pang has not been completed yet."

Shaking his head, he stopped thinking about it and restarted the original research on the qubit control model.

Of course, he also knew in his heart that this one-way function would probably become a long-term research project for him in the future.

And where the final answer will lead to, he doesn't know, but he thinks it should be a more important node in the truth he is looking for.

……

Time passes quickly.

What happened at this International Congress of Mathematicians also attracted the attention of many people.

After all, although Lin Xiao did not go to participate in this International Conference of Mathematicians, he was able to enjoy such treatment, which made many Chinese netizens feel a kind of honor. What about their chief scientist?

Ever since, netizens discussed this matter on the Internet.

"As expected of Lin Shen, I didn't participate in the International Conference of Mathematicians, but when they closed the ceremony, they specially invited Lin Shen to participate in this way"

"After all, for the International Congress of Mathematicians, Lin Shen is still very important. No previous participation has left traces that can be engraved in the history of mathematics. 』

"Lin Shen: My brother is no longer in the world of mathematics, but there are legends about my brother everywhere in the world of mathematics"

"Who said Lin Shen is no longer in the mathematics world?But don’t forget that Lin Shen only participated in less than ten kinds of conferences, even a closing ceremony, and then solved a Millennium Prize problem, but he is still in the mathematics world』

"Indeed, this is another millennium problem. To be honest, four of the seven millennium problems have been solved by Lin Shen, and now there are two left unsolved. Lin Shen will not plan to give them all. solve it? 』

"Maybe? 』

"By the way, what is the significance of this millennium problem solved by Lin Shen again?" 』

"I'm a person in the banking industry, and I'm in charge of password security. Simply put, people's property will become more secure in the future. Of course, it's not just banking, there are other kinds of passwords that need to be used. In places where hackers want to crack passwords, it will become extremely difficult. In this way, it will also become difficult for hackers to hack into your computer or mobile phone. 』

"My Cao, so powerful? 』

"Of course it's great. We had a meeting today about the one-way function given by Lin Shen. Next, we may try to change all the encryption methods of our internal core system. There are no one-way functions at all that are safer. 』

"This is really great!Banks are safer, better for all of us』

"I thought so too at first, but I looked at my balance, well, whether it's safe or not, it doesn't seem to be something I need to worry about, because the bank can't control my balance, and my balance is 0"

"My heart is pierced, old iron, it's about the pain point"

"..."

As this netizen in the banking industry said, the emergence of one-way functions has attracted the attention of related industries.

Passwords are closely related to humans living in the information age. For the vast majority of ordinary people, a password may be just an ordinary string of numbers or a string of uppercase and lowercase letters, but in fact, it determines Harmony of the world.

So an encryption method that is difficult to crack can better consolidate this harmony.

That's why Lin Xiao's one-way function has such a meaning.

In fact, the current hash function used in login passwords such as various software is an encryption method that uses the principle of one-way function. Of course, this encryption method is inferior to one-way function in terms of reversibility. It is relatively easy to say.

Just like the birthday paradox mentioned by Lin Xiao, the birthday attack developed according to the birthday paradox can have a greater impact on the security of hash function encryption. Although the birthday paradox cannot be cracked, the It will still have some impact.

Once the one-way function is used to encrypt, then this situation can be completely avoided. Basically, only those who have really mastered the plaintext of the password can use it.

Ever since, major manufacturers have begun to try to use this one-way function to encrypt their core data.

Of course, due to the extremely difficult reversibility of the one-way function, it is actually not very suitable for encryption, so for these manufacturers, or banks and government departments, basically just use this one-way function To protect some of the most core data, through this method, they can better protect their core data, even some top-secret data that should never be known by anyone.

Therefore, for some people with such special needs, when they encrypt, they will even forget the password specifically, so that no one will want to know it in vain.

……