What is the function of the 'wrap' command in Vault?

The function of the 'wrap' command in HashiCorp Vault is to enhance security by wrapping responses that contain sensitive data into a token. When a response is wrapped, it generates a token that can be safely passed around and later unwrapped by the intended recipient. This process ensures that the sensitive data itself is not directly exposed during transmission, thereby providing an additional layer of security.

The 'wrap' mechanism is particularly useful in scenarios where sensitive information needs to be shared between different systems or components without risk of it being intercepted or logged in plain text. When the recipient receives the wrapped response, they can use the token to securely access the underlying data without it being exposed in transit.

The other choices do not accurately represent the primary function of the 'wrap' command. For instance, while splitting secrets or managing access to secrets are important aspects of Vault's capabilities, they do not specifically pertain to the wrapping process and its role in securing data during exchange. Similarly, while encrypting data at rest is vital for Vault's overall security framework, it is a different function unrelated to the 'wrap' command.