Important: This documentation is about an older version. It's relevant only to the release noted, many of the features and functions have been updated or replaced. Please view the current version.
verify
The verify() operation verifies a digital signature. It ensures that some data was signed by a known key and that the data has not been tampered with since it was signed.
Usage
verify(algorithm, key, signature, data)Parameters
Return Value
A Promise that resolves to a boolean value indicating if the signature is valid.
Throws
Example
import { crypto } from 'k6/experimental/webcrypto';
export default async function () {
const generatedKey = await crypto.subtle.generateKey(
{
name: 'HMAC',
hash: { name: 'SHA-1' },
},
true,
['sign', 'verify']
);
const data = string2ArrayBuffer('Hello World');
/**
* Signes the encoded data with the provided key using the HMAC algorithm
* the returned signature can be verified using the verify method.
*/
const signature = await crypto.subtle.sign('HMAC', generatedKey, data);
/**
* Verifies the signature of the encoded data with the provided key using the HMAC algorithm.
*/
const verified = await crypto.subtle.verify('HMAC', generatedKey, signature, data);
console.log('verified: ', verified);
}
function string2ArrayBuffer(str) {
const buf = new ArrayBuffer(str.length * 2); // 2 bytes for each char
const bufView = new Uint16Array(buf);
for (let i = 0, strLen = str.length; i < strLen; i++) {
bufView[i] = str.charCodeAt(i);
}
return buf;
}

