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DocumentationGrafana k6JavaScript APIk6/cryptocreateHMAC( algorithm, secret )

createHMAC( algorithm, secret )

Creates a HMAC hashing object that can then be fed with data repeatedly, and from which you can extract a signed hash digest whenever you want.

Returns

Example

JavaScript

Copy

JavaScript Copy

import crypto from 'k6/crypto';

export default function () {
  console.log(crypto.hmac('sha256', 'a secret', 'my data', 'hex'));
  const hasher = crypto.createHMAC('sha256', 'a secret');
  hasher.update('my ');
  hasher.update('data');
  console.log(hasher.digest('hex'));
}

The above script should result in the following being printed during execution:

bash Copy

INFO[0000] 82f669c8fde13aef6d6977257588dc4953dfac505428f8fd6b52e19cd96d7ea5
INFO[0000] 82f669c8fde13aef6d6977257588dc4953dfac505428f8fd6b52e19cd96d7ea5