Files
common/packages/util-crypto/src/random/asU8a.ts
T

23 lines
618 B
TypeScript

// Copyright 2017-2020 @polkadot/util-crypto authors & contributors
// SPDX-License-Identifier: Apache-2.0
import { getRandomValues } from '@polkadot/x-randomvalues';
/**
* @name randomAsU8a
* @summary Creates a Uint8Array filled with random bytes.
* @description
* Returns a `Uint8Array` with the specified (optional) length filled with random bytes.
* @example
* <BR>
*
* ```javascript
* import { randomAsU8a } from '@polkadot/util-crypto';
*
* randomAsU8a(); // => Uint8Array([...])
* ```
*/
export function randomAsU8a (length = 32): Uint8Array {
return getRandomValues(new Uint8Array(length));
}