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Basics of Cryptography and Binance Discount



Cryptography is the science of writing in secret code and is an ancient art. The first documented use of cryptography dates back to 1900 B.C.


If you want to transmit some information securely from one computer to another, or to store it securely on your own computer, how would you achieve this?


Encryption is the answer to this. There are various algorithms that can achieve this; some more secure than others. An algorithm is a series of mathematical equations that turns the information we want to secure (plaintext) into the secure form called ciphertext.


Cryptography or security has some basic requirements that needs to be met. These are:


Privacy/confidentiality: No one should be able to read the message except the intended recipient.


Integrity: Ensuring that the message has not been altered during transmission or storage.

Authentication: Ensuring the person is who he/she claims to be; basically establishing the identity of the person. Click here to learn about Binance Discount


Non-repudiation: A mechanism to prove that the sender really sent this message.

The image below describes in simplistic terms about the process of encryption.


The reverse process of what is shown above is what we call decryption. The ciphertext is converted back into plaintext during this process.


A key is used to encrypt the data and to decrypt it.


Cryptography has evolved over the years. The mode of encryption used during Julius Caeser’s time is very different from what we use today. Infact, its quite different from even what was used during World War II. More details about this evolution is captured at – History of Cryptography.


Cryptanalysis of Binance Discount


An expensive and formidable cryptanalytic attack could possibly be mounted by someone with vast supercomputer resources, such as a government intelli- gence agency. They might crack your public key by using some new secret mathematical breakthrough. But civilian academia has been intensively attack- ing public key cryptography without success since 1978.


Perhaps the government has some classified methods of cracking the conven- tional encryption algorithms used in PGP. This is every cryptographer’s worst nightmare. There can be no absolute security guarantees in practical crypto- graphic implementations.


Still, some optimism seems justified. The public key algorithms, message digest algorithms, and block ciphers used in PGP were designed by some of the best cryptographers in the world. PGP’s algorithms have had extensive security analysis and peer review from some of the best cryptanalysts in the unclassified world.


Besides, even if the block ciphers used in PGP have some subtle unknown weaknesses, PGP compresses the plaintext before encryption, which should greatly reduce those weaknesses. The computational workload to crack it is likely to be much more expensive than the value of the message.


If your situation justifies worrying about very formidable attacks of this cali- ber, then perhaps you should contact a data security consultant for some cus- tomized data security approaches tailored to your special needs.


In summary, without good cryptographic protection of your data communica- tions, it may be practically effortless and perhaps even routine for an oppo- nent to intercept your messages, especially those sent through a modem or email system. If you use PGP and follow reasonable precautions, the attacker will have to expend far more effort and expense to violate your privacy.


If you protect yourself against the simplest attacks, and you feel confident that your privacy is not going to be violated by a determined and highly resourceful attacker, then you’ll probably be safe using PGP. PGP gives you Pretty Good Privacy.