Private Key

Meaning – The term private key, refers to a tiny bit of code that is paired with a public key to set off algorithms for text encryption and decryption. It is created as part of public-key cryptography during asymmetric-key encryption and used to decrypt and transform a message to a readable format. Public and private keys are paired for secure communication, such as email.

In short, sending encrypted messages requires that the sender use the recipient’s public key and its own private key for encryption of the digital certificate. Thus, the recipient uses its own private key for message decryption, whereas the sender’s public key is used for digital certificate decryption.

Example of usage“A private key is shared only with the key’s initiator, ensuring security. For example, A and B represent a message sender and message recipient, respectively. Each has its own pair of public and private keys. A the message initiator or sender sends a message to B. A’s message is encrypted with B’s public key, while B uses its private key to decrypt A’s received message.” 

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