# CRYPTO_KEY_USAGE_DERIVE_KEY

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

Key usage: derive key.

```ds title="CRYPTO_KEY_USAGE_DERIVE_KEY"
const CRYPTO_KEY_USAGE_DERIVE_KEY: CryptoKeyUsageFlags
```

[language/library/src/crypto/binding/algorithm.ds:210](https://github.com/destack-sh/destack/blob/main/language/library/src/crypto/binding/algorithm.ds#L210)