Discuss How HMAC Works

question 23

Essay

Discuss how HMAC works.

---

Definitions:

Expiration Date

The date on which a derivative contract (like options or futures) becomes invalid and the right to exercise it ceases.

Indefinite Future

A time period in the future that has no defined ending or timeframe, often used in discussions about long-term possibilities or uncertainties.

Call Option

A financial contract that gives the holder the right, but not the obligation, to buy a specified amount of an underlying asset at a set price within a specified period.

Writer

In the context of options, the writer is the seller who grants the right to the buyer in exchange for a premium, assuming the risk that the asset may have to be delivered under the contract terms.