Difference Between Encryption and Decryption

The main comparison between encryption and decryption is, Encryption is a process of converting aa plain text to an encrypted or ciphertext which is not human readable. While decryption is the reverse of encryption and is a process of converting the encrypted or cipher text into plain text which is human readable. Here this article gives information about the difference between encryption and decryption to better understand this topic.

What is encryption?


Encryption is a process of converting normal data into an unreadable form. It helps you to avoid any unauthorized access to data. Whenever the data is sent between two separate machines. it is encrypted automatically using a secret key.


What is decryption?


Decryption is a method of converting the unreadable/coded data into its original form. The receiver of the data automatically allows you to convert the data from the coded into its original form.

The main key difference between encryption and decryption 


  • The encryption allows the conversion of plain text into ciphertext while the decryption is the technique of changing ciphertext into plain text.
  • In other words, encryption is the process of converting normal messages into meaningless messages. While decryption is the process of converting meaningless messages into its original form.
  • Encryption is done by the person who is sending the data to the destination. while decryption is done at the same person key is used for both the encryption and decryption process.
  • Encryption data is called ciphertext. As against decrypted data is known as plain text.
  • Encryption is an automatic process of the transmitter white the decryption is generally automatic but in some system, it is a manual operation. 
  • Encryption is performed as the sender end while decryption is done at the receiver end. 
  • In the encryption, the process the sender sends the data to the receiver after encrypted it, while in the decryption process, the receiver receives the information and converts it into plain text.
  • Any message can be encrypted either secret key or public key, while in decryption encrypted message can be decrypted with either secret key or private key.
  • MAC addresses ensure that the physic address of the computer technology is unique for encryption, while in decryption uses the IP address is a logical address of the computer and is used to uniquely locate computer connected via a network.
  • The same algorithm with the same key is used for both the encryption-decryption process.

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