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Types of Encryption and why it matters

As the cyber world is turning into the place where the data is at high risk and hackers who are waiting for any vulnerability to exploit and line their pocket. This calls for some significant measures of security; one of which is encrypting your data. However, encryption is a topic which comes with depth, having various types of encryption and their algorithm. Here we will go into the details of encryption and types of encryption use in general.

What Is Encryption?

Encryption is the process of transforming the legible data into some unreadable codes, generally to prevent it from the access of any unauthorized party . The encryption is now on the real trend because of the risk of hacking, snooping and scamming that have accelerated in recent time.


But applying encryption only sounds easy; actually, it is something very technical, and sometimes even the software developers fail to make the decision which encryption to opt for.

Here Are the Types Of Encryption: 

Following are the three most important types of encryption that the world is using widely:

1. Symmetric Encryption: 

Symmetric encryption is that type of encryption which takes the legible data and muddle it in a bid to make it unreadable with illegible codes; be it the data in transit or the data stored on the disk. And when the data is required to read at the other end or by the legitimate person, it restores the data to its readable form.

However, it is worth noting that in the case of this type of encryption, both the encryptor and decryptor use the same key for encryption.


  • The services that store user’s data like cloud storage, etc use symmetric encryption to protect their user’s data.
  • Symmetric encryption can be used to encrypt the data of the computer or any other device storage.
  • To make a secure data transferring channel using end-to-end encryption.

2. Asymmetric Encryption: 

This type of encryption also does the same job as symmetric encryption. It takes the regular data, jumble it with encryption coding and at the other end, decrypts the codes. But what makes it different is that there is a need for the various key at each end. Unlike symmetric, asymmetric encryption does not use the same key for encryption at every level. Encryptors need to use a public key to encrypt the data, while the decryptor uses a correspondent private key to decipher and unscramble the data again.

It is also known as public-key cryptography where the public key is open publicly, but the private key is a secret and confidential key.


  • Transport Layer Security or TLS uses this type of encryption to secure the connections between the websites and the browsers.
  • SSH protocol also uses it to fortify the login process for remote servers and to ratify the users to login in without the password.
  • Asymmetric encryption is used at the time of software update to make the computers better know that the codes coming towards them are from a legitimate source.
  • Emails with OpenPGP or S/MIME systems also use this type of encryption.

3. Hashing

Safe to say, Hashing is the same as encrypting your password. Though technically it is not a type of encryption, it uses the same technology of cryptography as encryption does. Hashing turns your readable data into a hotchpotch or hash from your data. It gives the output with three major properties.

The kind of data and the resultant hash will always be the same.
Not possible to take it back to its original state.
It is impracticable to create another string of data that can generate the same hash.


  • The first and major use of hashing is that it protects the passwords. Moreover, when a system saves a password hash rather than a plain password, it can match the received password with the hash and check whether or not it is the same.
  • The other most common use of hashing is to verify the transmitting data with the help of a shared key. The hash comes out of the data and therefore, both the hash and the data are visible, but the shared key remains confidential from it first place.


You just can’t pour the encryption on your system and thinks it is secure. Rather, you should go into the depth of nitty gritty of your system security and apply encryption accordingly.

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