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What is Data Encryption?
Encryption is a method of encrypting data so that only authorized parties can decipher it. In simple word, it is the process of changing human-readable plaintext to unreadable text, also known as ciphertext. It is one of the most essential technologies for guaranteeing data security, particularly for end-to-end data protection via networks.
To encode data into ciphertext, encryption requires a cypher (an encryption technique) and an encryption key. When this ciphertext is sent to the receiving party, a key is used to decrypt it back into the original value. Encryption keys function similarly to physical keys in that only users with the appropriate key may 'unlock' or decode the encrypted data.
Types of Data Encryption
1. Symmetric Encryption
Symmetric encryption relies on a single key that must be shared among those who must receive the message.
2. Asymmetric Encryption
When communicating, asymmetric encryption requires a pair of public and private keys to encrypt and decrypt messages.
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