Public Key: A public key is derived from a private key and can be freely shared with others. It is used to encrypt data that can only be decrypted using the corresponding private key.
Encryption: Encryption is the process of converting plain text into cipher text using an algorithm and a cryptographic key, such as a private key, to protect sensitive information from unauthorized access.
Digital Signature: A digital signature is created using a private key to verify the authenticity and integrity of digital documents or messages. It provides assurance that the content has not been tampered with during transmission.