Good things don't go out, and bad things spread thousands of miles. But in the Imperial College, Dr. Zhang Shou, who was in charge of Jiuzhang Hall and Banshan Hall because of the emperor's golden words, was awarded the rank of Sixth Grade Imperial Examiner for his merits in catching thieves and deciphering secrets.
, and the appointment of Zhan Shifu Zuo Zanshan as a doctor of Guozi, it can be said that one stone stirred up a thousand waves and caused an uproar.
Especially Xie Wanquan, the former Zhai Chief who had just returned to Shuxingtang in a low-key manner in the past few days, was even more ashamed and angry, but he could no longer resort to being sick to hide from trouble. Just because he had "recuperated" before, Zhai Wanquan was even more ashamed and angry.
But the elder has already belonged to someone else. It was not the Guozi doctor Yang Yiming who was in charge of Suixingtang who didn't help him, it was the instruction of Guozi Jijiu Zhou Xun.
He had already suffered a huge loss in front of Zhang Shou in Rongshui Village because he was provoked. Now Zhang Shou is not only Ge Yong's closed disciple, but also a teacher-level figure. He doesn't even know the outcome of the game at the higher level.
What is the result? How dare you act recklessly?
The ones who are most ecstatic are of course the supervisors of Jiuzhang Hall. Most of them come from poor families and are somewhat unsure about their supervisor status. Now their teacher Zhang Shou has suddenly been promoted to the sixth grade.
, everyone has a little more confidence in their own future.
At this time, it was the noon break for the various halls of the Imperial College. Even though the boring and repetitive work all morning had made most people dizzy, everyone was very serious. Even Lu Sanlang did not expect that Zhang Shou would be promoted.
The news actually caused more than 20 people to come over in a hurry to continue the task after having a simple lunch.
At this moment, he stood on the podium with his hands folded. For the first time, he felt that it might not be bad to be classmates with people who he initially thought were less receptive than himself. Because he was accustomed to seeing his father's cold eyes since he was a child.
Similarly, each of them has a very clear purpose and is unwilling to give up the slightest opportunity.
Therefore, when Zhang Shou appeared at the door of Jiuzhang Hall, he glanced at Qi Liang who was also concentrating on calculations, hurriedly walked forward to greet him, and then whispered: "Looking at the progress, maybe during the afternoon lecture, they
There will be some results. I transferred more than 20 thousand-character texts. They first marked each word with a number, and then checked them one by one, so the speed was much faster."
Zhang Shou nodded with satisfaction, and then instructed Lu Sanlang to collect the numbers corresponding to the poems that had been sorted out, and then copy the first three numbers of each poem on a piece of paper. Then, he took out another piece of paper
, there are sixty-four combinations of numbers corresponding to the twelve characters of the first three rings that have been intercepted from the fourteen-ring text.
Just as Lu Sanlang said, by the time Jiuzhangtang was in class in the afternoon, all the poems assigned to more than 20 people had been sorted out, and Zhang Shou suddenly had a thick stack of paper in his hand. He flipped through it casually, and then
He raised his head and glanced at everyone.
"Everyone should know the news about my promotion. Although these words come from my own mouth, which seems a bit self-proclaimed, I do have some small achievements these days. One of them is cracking the secret of the traitor's contacts.
Letter. So, now I have received such a project, cracking a fourteen-ring text lock."
When renovating Jiuzhang Hall, Zhang Shou specifically ordered a white wall to be left behind the podium. At this time, he casually used a brush dipped in water to write sixty-four sets of three numbers on the white wall. Waiting for his return
When he passed by, he saw that everyone was busy writing. It was obvious that these people below had already understood that they should copy down these numbers without his instructions.
He watched the water stains on the wall gradually disappear, and then he said with a smile: "I remember when I was teaching Qi Liang and another student in the countryside, I used this method. The reason is very simple, it saves trouble and money, and
It can be used repeatedly, but I didn’t expect that now in the Imperial College, this method is still used. Okay, have you copied it down?"
Seeing that no one said that they had not finished copying, Zhang Shou was naturally satisfied, and then said calmly: "To complete this task, I need to teach you another class in advance, that is, functions."
It would be impossible to explain the function clearly in an afternoon. However, because what is involved now is only the simplest linear function related to the linear equation of one variable, for most supervisors, it is still within reach.
Within the acceptable range. Even so, when Zhang Shou drew a plane rectangular coordinate system with only the first quadrant, most people showed a capital word "Stupid".
With diagrams and examples, Zhang Shou condensed the course, which would take at least several days or even ten days, into one afternoon and forced him to learn it. Then he changed the subject and talked about the sixty-four sets of numbers he had just copied out.
"If all the fifty-six characters of the fourteen rings need to be verified one by one, there are too many combinations. Therefore, we now only need to take a total of twelve characters from the first three rings for verification. In this way, we only need to verify the six
Fourteen groups.
For the verses that were previously assigned to everyone, everyone also took the numbers represented by the first three characters to check and see if there is a corresponding linear relationship with the sixty-four groups of numbers after regular shifting..."
Zhang Shouyan explained the corresponding principles of the shift cipher concisely and comprehensively, and then asked questions one by one. After identifying a few sensible people besides Lu Sanlang and Qi Liang, he simply let the sensible people teach the ignorant. When the sun went down, twenty
Most of the people in Duohao finally understood, and he breathed a sigh of relief.
"Now that you understand everything, you can start checking the calculations when you go back tonight, and you will also check the calculations tomorrow morning."
When class was over, Lu Sanlang saw Zhang Shou walking out, and quickly rushed up with the agility rare for his fat body. When he turned around, he saw Qi Liang surrounded by people. Apparently some people just claimed to understand, but in fact they didn't.
He still didn't understand. He quickly caught up with Zhang Shou and asked in a low voice: "Sir, what if cryptographic mapping has nothing to do with linear functions?"
"Then continue trying with two functions. Anyway, the shift interval will change from rated increments like 3,5,7,9 to variable increments like 2,5,10,17. Back then in Shuntianfu
We don't have enough time, and we don't have the manpower. It just so happens that the linear function is simple, which is good luck. But now that we have enough manpower, we can calculate it in a few days or ten, and at least there is a certain probability of calculating it."
But at this point, Zhang Shou saw Lu Sanlang nodding his head like a chicken pecking rice, but he shrugged and said: "Of course, if the password designed by Emperor Taizu back then was not based on poems, songs, or rules,
shift, but randomly select a dozen numbers as the shift increment, then we are busy in vain."
Seeing that Lu Sanlang was dumbfounded, he smiled and said: "Cryptozoology is the most difficult thing these days, let alone Chinese character code. I have said before that treating a dead horse as a living horse is a good idea for them.
It’s also a good exercise.”
"But if there is such a huge fuss, but there is no result in the end... wouldn't it be embarrassing?" Lu Sanlang hesitated to express his worries, and then he was afraid that Zhang Shou thought he had underestimated him, so he quickly added
, "I'm not a crow's mouth, but since you said it's possible, young sir..."
"If it fails, it will be my responsibility." Zhang Shou smiled and patted Lu Sanlang on the shoulder, thinking in his heart that if he could succeed, the supervisors like Jiuzhangtang would naturally be full of confidence in the future, but if they failed, then they would also
It's just that mathematics is too profound and profound, and he doesn't have enough experience. Anyway, it's enough for him to step in and shoulder the responsibility.
In this way, the attention that had been focused on him after he unlocked the secret message would be smaller.
Anyway, he figured it out when he assigned the task. It didn't matter whether he succeeded or failed. It wasn't a matter of life and death!
As if the prophecy had come true, I spent a whole day calculating the next day, using a lot of manuscript paper, and finally calculated hundreds of lines of poems, but it was completely in vain and did not match at all. However, what Lu Sanlang and Qi Liang did not expect was that,
Not only did Zhang Shou not feel discouraged, he actually ordered to try the quadratic function without saying a word.
Of course, Zhang Shou talked dryly all afternoon again, but this time the coordinate system was completely useless, but the linear equation of three variables was...
On the second night, when other people in Jiuzhang Hall were tossing and turning in worries about gains and losses, Zhang Shou had a good sleep. However, after the first class on the third morning, he had not had time to go to Jiuzhang Hall for a walk.
After taking a look around to see how the progress was, he saw Qi Liang appearing at the entrance of Banshan Hall, with a face full of anxiety.
Feeling a little strange, he immediately went out. Just as he was about to ask what happened, Qi Liang said angrily: "Lu Sanlang's family sent someone to say that his mother suddenly became seriously ill, and they called him angrily.
Go back."
Zhang Shou had a deep impression of Lu Sanlang's mother. He remembered that unlike Lu Sanlang's father, Lu Wan, she was a good mother who loved her young son wholeheartedly. Therefore, after pondering for a moment, he immediately said in a deep voice: "You can do it in my name."
Go to the Lu Mansion, firstly, to visit Mrs. Lu, and secondly, send a message to Lu Sanlang for me, don’t worry about other things, it’s more important to serve his mother well first!"
Seeing that Zhang Shou was calm and relaxed, Qi Liang's heart suddenly returned to its original state. He nodded quickly.
"After you leave the Imperial College, try to call Ah Liu. If he is there, ask him to go with you and buy some suitable gifts for visiting patients. Don't go empty-handed..."
After giving Qi Liang detailed instructions, Zhang Shou turned around and took a look at the mid-level hall when the people left quickly, and suddenly shouted: "Zhang Chen, come here!"
Although the supervisors did not deliberately publicize the topic in progress in Jiuzhang Hall, because Zhang Shou did not tell them to keep it secret, other supervisors also heard about it. At this time, Zhang Chen was whispering gossip with Zhang Wu and Zhang Lu.
Is it possible to solve the fourteen-ring text lock in the chapter hall? Zhang Wu vowed that it would be no problem. Zhang Lu thought it was mysterious, but Zhang Chen laughed.
"If you ask me, our little gentleman is overconfident this time. It's almost enough for him to teach in person, and rely on those Jiuzhangtang supervisors who haven't studied for a few days... Haha, I think it's good if these guys don't do any harm!"
As soon as he finished speaking, Zhang Chen heard Zhang Shou calling him. He immediately thought that he had been caught saying bad things behind his back, and he felt a little embarrassed. It wasn't until Zhang Shou called him a second time that he hurriedly stood up and hurried away.
He walked over, and when he got closer, he immediately said a little unnaturally: "Are we just talking casually and joking?"
I don’t care what you say!
Zhang Shou glanced at Zhang Chen inexplicably, and then said angrily: "Lu Sanlang has something urgent at home. I'm afraid he won't be able to come back today. But at Jiuzhangtang, whether it's okay or not, there will be preliminary results this morning.
Come out, go to Jiuzhang Hall and watch a lesson for me. I will fill in the missing parts for you later."
Zhang Chen tapped his nose in surprise: "Me?"
Even if I go there, I still won’t understand!
"That's right, it's you. Just go and see if they're done, whether it's a success or a failure, and I don't need you to check it! Give full play to your leadership potential and be an acting mayor, do you understand?"
Seeing Zhang Chen nodding his head blankly, and then walking towards Jiuzhang Hall doubtfully and uneasily, Zhang Shou laughed.
Zhang Chen, a guy who was born with a silver spoon in his mouth and has always been blessed by nature, it’s time to take a look at those who work hard!