In encryption, there are two types of keys: private keys and public keys.
A private key is a secret key that is used for encryption and decryption by the owner of the key. Only the owner has access to this key, and it should be kept secure to prevent unauthorized access. The private key is used to encrypt data before it is sent to a recipient and to decrypt data that has been encrypted with the corresponding public key.
A public key, on the other hand, is a key that is shared with others to allow them to encrypt data that is intended to be received by the owner of the corresponding private key. The public key is available to anyone who wants to use it, and it is used to encrypt data before it is sent to the owner of the corresponding private key. However, the public key cannot be used to decrypt data that has been encrypted with it. Only the corresponding private key can be used to decrypt the data.
In summary, a private key is used for decryption and encryption by the owner, whereas a public key is used for encryption only by anyone who wants to send encrypted data to the owner of the corresponding private key
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