Information that has been encrypted can be restored to its original form through the process of decryption. When information is shared or sent, encryption converts it from its original format, known as plaintext, into an incomprehensible format, known as ciphertext.
Parties to a private conversation do this by encrypting and decrypting messages using an encryption technique, often known as an algorithm.
Recipients of messages decrypt the data to restore it to its original, readable form. As a result, future transmissions of communications across the system are encrypted, and the reverse is true.
To decrypt the data, the system extracts and turns it into words and visuals that may be easily understood by both a reader and a system. It is possible to decrypt data manually or automatically. A set of keys or a password might also be used to carry it out.
Privacy is one of the main justifications for implementing an encryption-decryption system. Information that is transmitted via the World Wide Web is open to review and access by unauthorized people or organizations. Data is therefore encrypted to minimize theft and loss of data. Emails, text files, photos, user data, and directories are some of the frequently encrypted goods. A prompt or window asking for a password to access encrypted data is presented to the person responsible for decryption.