tink-crypto
Version:
A multi-language, cross-platform library that provides cryptographic APIs that are secure, easy to use correctly, and hard(er) to misuse.
25 lines • 2.22 kB
JavaScript
/**
* @license
* Copyright 2020 Google LLC
* SPDX-License-Identifier: Apache-2.0
*/
/**
* @fileoverview Several simple wrappers of crypto.getRandomValues.
*/
import { InvalidArgumentsException } from '../exception/invalid_arguments_exception';
/**
* Randomly generates `n` bytes.
*
* @param n number of bytes to generate
* @return the random bytes
* @static
*/
export function randBytes(n) {
if (!Number.isInteger(n) || n < 0) {
throw new InvalidArgumentsException('n must be a nonnegative integer');
}
const result = new Uint8Array(n);
crypto.getRandomValues(result);
return result;
}
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