![]() Authentication verifies the origin of a message.Confidentiality encodes the message's content.In modern times, encryption is used to protect data stored on computers and storage devices, as well as data in transit over networks.ĭownload this entire guide for FREE now! Importance of encryptionĮncryption plays an important role in securing many different types of information technology (IT) assets. Historically, it was used by militaries and governments. The time and difficulty of guessing this information is what makes encryption such a valuable security tool.Įncryption has been a longstanding way for sensitive information to be protected. When an encrypted message is intercepted by an unauthorized entity, the intruder has to guess which cipher the sender used to encrypt the message, as well as what keys were used as variables. The variable, which is called a key, is what makes a cipher's output unique. To be effective, a cipher includes a variable as part of the algorithm. The formulas used to encode and decode messages are called encryption algorithms, or ciphers. ![]() In computing, unencrypted data is also known as plaintext, and encrypted data is called ciphertext. The science of encrypting and decrypting information is called cryptography. Encryption is the method by which information is converted into secret code that hides the information's true meaning. ![]()
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