# CryptoMacAlgorithm

`import { CryptoMacAlgorithm } from "destack:crypto/binding";`

Message authentication algorithm selector.

```ds title="CryptoMacAlgorithm"
export enum CryptoMacAlgorithm {
    Hmac = 1,
}
```

[language/library/src/crypto/binding/algorithm.ds:148:151](https://github.com/destack-sh/destack/blob/main/language/library/src/crypto/binding/algorithm.ds#L148-L151)

## Variants

### `Hmac = 1`

HMAC.