Jaco Greeff
03dc89c2b6
* Use js-sha3 instead of keccak * Remove exposed toBuffer from util-crypto * Add definiton for js-sha3 * Remove Buffer from docs * Cleanup crypto hashing * Cleanup interface
58 lines
1.2 KiB
Markdown
58 lines
1.2 KiB
Markdown
# random
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Returns a sequence of secure random bytes in a variety of formats
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- [randomAsHex](#randomashex) Creates a hex string filled with random bytes.
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- [randomAsNumber](#randomasnumber) Creates a random number from random bytes.
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- [randomAsU8a](#randomasu8a) Creates a Uint8Array filled with random bytes.
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## randomAsHex
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Creates a hex string filled with random bytes.
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```js
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randomAsHex (length?: number = 32): string
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```
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Returns a hex string with the specified (optional) length filled with random bytes.
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```js
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import { randomAsHex } from '@polkadot/util-crypto';
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randomAsHex() // => 0x...
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```
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## randomAsNumber
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Creates a random number from random bytes.
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```js
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randomAsNumber (): number
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```
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Returns a random number generated from the secure bytes.
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```js
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import { randomAsNumber } from '@polkadot/util-crypto';
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randomAsNumber() // => <random number>
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```
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## randomAsU8a
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Creates a Uint8Array filled with random bytes.
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```js
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randomAsU8a (length?: number = 32): Uint8Array
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```
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Returns a `Uint8Array` with the specified (optional) length filled with random bytes.
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```js
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import { randomAsU8a } from '@polkadot/util-crypto';
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randomAsU8s() // => Uint8Array([...])
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``` |