Confidentiality - cryptography property: only the recipient who owns a particular secret (e.g. key) can understand the message, Authenticity - cryptography property: when we have some assurance that a message is from the source it claims to be from, Safe - program that isn't a malware, then it is not able to break any host or steal information, Secure - program the cannot (or rather it's very difficult to) be circumvented, Algorithm - set of steps to follow to modify a message, Key - sequence of digits, Ciphertext - encrypted message,

Cryptography

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