Mule ESB provides various ways to secure your sensitive data. It is important to secure the data we send as it is possible that data can contain critical or sensitive information. For example, it is important to encrypt data like: credit card numbers, CVVs, passwords, etc. that we may send, so that our information cannot be retrieved by any hackers.

Private Key V/S Public Key

Private Key is also known as Secret Key and it is only known by the recipient of the message and is used to decrypt the message.

Public Key is used by the sender to encrypt the message before sending it to the recipient and it is known by everyone.

For example, Alice will use a public key to encrypt the data and send it to Bob. Now, Bob will decrypt the data using a private key.

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