Public Key
In data science and cryptography, a public key is a cryptographic key that can be freely distributed to anyone and is used to encrypt messages intended to be sent to the owner of the corresponding private key. The public key is derived from the private key, but it cannot be used to determine the private key. This is known as asymmetric encryption, where two different keys are used for encryption and decryption. Public key cryptography is widely used in secure communication protocols such as SSL/TLS, SSH, and PGP. It is also used in digital signatures, where the owner of the private key signs a message to prove its authenticity.
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