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What are Keys?

k - e - y - s
noun


Keys, in the context of computing and cryptography, refer to pieces of information used to secure and control access to data, systems, or communication. These keys can be used in various cryptographic algorithms to encrypt, decrypt, or authenticate information.

How do Keys work?

Keys work by serving as parameters in cryptographic algorithms that manipulate data for security purposes. In encryption, a key is used to convert plaintext into ciphertext, making the information unreadable without the corresponding decryption key. In authentication, keys verify the identity of parties involved in a communication. 

Public-key cryptography involves pairs of keys, a public key for encryption and a private key for decryption or digital signatures. Proper key management is crucial for maintaining the security of systems and ensuring the confidentiality, integrity, and authenticity of data.