Encryption is a vital tool for securing data, with public key cryptography playing a crucial role in its implementation. In this system, each user has a pair of keys: a public key, which can be shared openly, and a private key, which must be kept secret. The interesting aspect is that while anyone can encrypt a message using the recipient's public key, only the recipient can decrypt it with their private key, ensuring confidentiality. This mechanism not only protects sensitive information but also enables digital signatures, allowing the authenticity of messages to be verified without revealing the actual content.
In 3-4 sentences explain something interesting about encryption and public keys
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