All the people were overjoyed. Ji Yan, the www.biquge.info of the pen "Fun" Pavilion, didn't care about their faces, and said directly:

Here, this king will first tell you about the content of intelligence work, which includes the steps of collection, sorting, analysis, screening, transmission, and so on. Let's talk about collection first, after the intelligence officers are scattered to various countries, they must first have a perfect disguise identity, and at present, the best identity is a businessman. Merchants come into contact with many and miscellaneous people, and when buying and selling goods, everyone needs to communicate, and in this kind of communication, the other party will inadvertently reveal a lot of information, and after analyzing and filtering this information, we may be able to get the information we need. ”

"When collecting intelligence, self-preservation is the first principle, but don't give up your life if you don't get it. Therefore, the disguise of identity must be used well, and it cannot be exposed at any time. Again, self-preservation is the first principle. Come, repeat the words. ”

Everyone followed: "Self-protection is the first principle!" ”

"Well, to protect yourself, the confidentiality of your identity is the top priority. As for the work of sorting, analyzing, and screening, it should have been done by the head of the intelligence collection department, but in the early stage, when everyone is not familiar with it, you can not do this for now, and directly hand over all the collected information to this king, and then this king will teach you how to do it. ”

"No!"

"Let's talk about the transmission of information. The first point of transmission is also secrecy, if the information is intercepted, it may instead provide intelligence to the enemy, which can be solved by secret messages; The second point is speed, if the speed of transmission is slow, the intelligence may lose its due effect; The third point is accuracy, if the intelligence is wrong, it will kill the three armies. ”

"MeSign? What is it? Ji Fang asked suspiciously.

"MeSign is simply a kind of encrypted letter, mainly to prevent it from being intercepted by the enemy. How? Here's an example. Ji Yan said and picked up a bundle of bamboo slips on the desk: "Look, this bamboo slip is composed of many small pieces, and each piece has words on it. ”

He pointed to one of the "big" characters and said: "Take this 'big' character as an example, he is located in the second position of the fifth piece of this bundle of bamboo slips, let's number it as 52, if you want to write the word 'big' when writing a letter, you will replace it with 52, so that even if the information is intercepted by the enemy, they will not be able to understand it." ”

Everyone looked at each other, completely unaware of what this meant. Ji Yan looked at their blank expressions, thinking of such a simple thing, these people couldn't understand it, and his heart was slightly lost, and he planned to tell them again.

At this time, Li Sui's eyes lit up and he said loudly: "My king is very good!" ”

"You understand?" Ji Yan looked at him and asked excitedly.

"Practical and simple, so exciting!" Li Sui said excitedly: "Such a simple method, Weichen naturally understands. ”

"Tell me! Tell me about it! Ji Yan seemed more excited than him.

Li Sui cleaned up his excitement, sorted out his thoughts and said: "My king's method is to take out a large bundle of bamboo slips, and form a code for each word on it according to the position of each small piece of bamboo slips and the position of this word on this small piece of bamboo slips, and use this code instead of words when writing letters. ”

Ji Yan looked at Li Sui in disbelief, shook his head with a grin, and sighed in his heart: The wisdom of the ancients cannot be underestimated!

"Enlighten my king, is the last general's statement correct?"

"Yes, that's right. We can call this coded bamboo slip a cipher Jane, the letter written with the code is a secret letter, and looking up the code when reading the letter is called deciphering. If you want to be more secure, the password can be changed at any time, so that even those who know how to decipher it will not be able to decipher. ”

"Yes, yes, that's more secure." Li Sui's face was full of admiration for Ji Yan.

The others were even more confused, and Ji Yan looked at them and said, "This king has decided to appoint Li Sui as the first brigade commander of the Military Intelligence Bureau, and he will be responsible for teaching everyone to make secret letters after he goes down." If you don't understand it now, ask Li Sui after you go down! ”

"No!" Li Sui's face was flushed with excitement.

"Next, let's talk about how to quickly deliver secret messages."

"The first method is for the person who obtains the information to ride a fast horse back to Luoyang to report the news, which is the simplest, but there are many problems. First of all, the distance can't be too far, too far people can't stand it, and horses can't stand it, of course, you can set up a post station on the way to exchange horses, but now these sites are people's homes, and the post station is not realistic; The second is that it is easy to be intercepted, although others can't understand it after using MeSign, but the information is not delivered after all. ”

"The second way is to use relays, each intelligence collection office only needs to send information to the next intelligence collection office, so that the relay is sent to Luoyang one by one. The advantage of this method is that the person who sends the intelligence does not have to work so hard, and the horse does not have to work so hard, but it still has a disadvantage, that is, it needs to set up more intelligence collection offices, which also requires a large number of intelligence personnel, which we cannot do at present. ”

"The third way," Ji Yan hesitated for a moment before continuing: "That is to domesticate carrier pigeons, and the carrier pigeons will transmit information, and this method is fast and safe." ”

"Pigeons?" Ji Fang asked confusedly, "Is this a pigeon?" Can flat-haired brutes send information? ”

"Of course!" Ji Yan affirmed: "The pigeons have a strong ability to return to the nest, and they can find their nest clearly and quickly from thousands of miles away, as long as they are specially trained, they are the best tool to convey information." For example, we have trained carrier pigeons in Luoyang, and the intelligence officers took them when they set off, and after collecting information, they used cloth and silk to write a secret letter, tied to the pigeon's feet, and after the release, it would fly directly back to Luoyang's nest, and the recipient would wait by the pigeon's nest. ”

"Wow!" Ji Fang showed a look of infinite longing: "If that's the case, how much manpower will have to be saved!" ”

"It's all about speed and safety." Ji Yan said in a deep voice: "This is the best communication tool, you go down immediately to find pigeon training talents, this king hopes to see the pigeon to pass on the message after half a year." In addition, the matter of finding someone to train the pigeons must be done in secret, and must not be leaked! Otherwise, you won't do it! ”

"No!" Ji Fang had already understood the importance of this matter, and he responded angrily.

"Due to personnel limitations, we have only focused on a few nearby countries in the near future, the Eastern and Western Zhou, and Qin, Wei, and Han dynasties. The territory of the Eastern and Western Zhou is small, and it is enough to send one or two people over, while the Qin, Wei and Han countries need to arrange more manpower and go directly to their capitals, so that they have a greater chance of obtaining useful information. The specific arrangements will be decided by Ji Fang after he goes down. ”

"The last point, the accuracy of the intelligence. First, it is necessary to ensure that the information is effective, not to pass it back indiscriminately from hearsay, but to verify and verify it; The second is to ensure the accuracy of the writing, and not to write the code wrongly, for example, the enemy originally dispatched an army of 100,000, but you made a mistake in the code, and it became 10,000, think about it yourself, how big a problem this has to bring! ”

After everyone nodded their heads to show that they understood, Ji Yan emphasized again: "Confidentiality, speed, and accuracy, these three points, there can be no sloppiness, we must do everything we can to do it." You must know that one of your pieces of information may directly exchange for the lives of thousands of troops and horses, or bury thousands of troops and horses, and its importance is clear at a glance, so there is no need for this king to say more. ”