This system is faster and simpler, but the key has to be shared in a secure manner. There are three widely used types of cryptography: Type of Cryptography Description Symmetric Key Cryptography It is an encryption system where the encrypting and decrypting of the messages are done using a single common key. Decryption is the process of retrieving the plain text from the cipher text using a secret key. The data is encrypted and decrypted to achieve the required confidentiality of the information.Įncryption is basically a conversion of plain text into cipher text. What is Cryptography?Ĭryptography is a lock-and-key technique that enables secure communication of information through codes that can only be accessed by the appropriate receiver. This feat of internet privacy and security is achieved using cryptography, which is a concept for your online protection. Ever wondered how your passwords are hidden? Have you thought about what the word end-to-end encryption in WhatsApp means? Did your curiosity flick, thinking about the process of online money transfer?
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