What is Cryptography?

What is Cryptography?

What is Cryptography? – Cryptography is the conversion of data into a scrambled code that is decrypted and sent across a private or public network. Cryptography is used to protect confidential data such as email messages, chat sessions, web transactions, personal data, corporate data, e-commerce applications, etc. Objectives Confidentiality Authentication Integrity Non-repudiation Types Of Cryptography Symmetric Encryption Symmetric encryption (secret-key, shared-key, public-key) uses the same key for encryption as it does for decryption. Asymmetric Encryption Asymmetric encryption (public-key) uses different encryption keys for encryption and decryption. These keys are known…

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