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ตัวอย่างหนัง Ethereum: Can you crack SHA-256?
** Limits of the magazine
As you mentioned, the job function is designed to produce a fixed output of any size input, so it is virtually impossible to replace the original data without knowing the key. However, this led to several eyebrows among enthusiasts and researchers fascinated by the possibility of a certain type of bag. In this article, we will investigate why the Sha-236 is particularly complex and what makes it difficult.
What is a bag function?
The function of the bag, like the Sha-236, takes the input (called “Data” or “Message”) and creates a fixed amount of output that reflects a unique combination of data characteristics. The purpose of the mixing function is to ensure that if you know the initial data, you will not be able to distinguish between different output inputs.
SHA-256: Function of Safe Magazines
SHA-256 (256 safe fairy algorithm) is one of the most commonly used and respected cryptographic scholarships in the world. 1995 created by Ron Rivest, Adi Shamir and Leonard Adleman, he was designed not to be broken according to the current calculation power. The Sha-256 uses a combination of bits operations and mathematical formulas for their output production.
In reverse engineering problem
Now you can think that, as the functions of the bag are designed to be irreversible, it will be easy to invade them by analyzing the exit. But this is where things become interesting. It is true that the functions of the scholarship cannot disclose any information about the original data, they do not work in vacuum.
Mathh Mathematics Function
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The functions of the bag use mathematical formulas to generate their exits. These formulas are based on complex algorithms and mathematical structures, making them very difficult to replace the engine without knowing the main mathematics. In other words, even if you know how the scholarship features work, it is still impossible to deduce the original output data.
Why the Sha-256 is particularly complicated
So why does the Sha-256 give such a difficult challenge? There are several reasons:
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- High entropy : Sha-256 produces exits with large entropy (which means they are probably generation), making it even more difficult to predict models.
Real world programs
Although it may seem impossible to break the Sha-236, its programs are numerous and legitimate:
- Data integrity : The functions of the bag ensure the authenticity and integrity of the data, verifying that the input corresponds to the expected output.
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- Cryptography : Sha-256 is widely used in various cryptographic programs, such as switches, encryption and deciphering.
Conclusion
In conclusion, while the functions of the bag are designed to be irreversible, its mathematical complexity, lack of noticeable patterns and high entropy make them extremely complex. First of all, the Sha-236 causes a major obstacle to those who try to change their production. However, the application of legal functions of scholarships, such as data integrity, digital signatures and encryption, continues to be based on these powerful means.
Links
- RIVIST et al., “MAGS FUNCTION” (1995)
- National Institute of Standard and Technology (NIST), Safe Magnos Standard 2 (SHA-256) “