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A Promise that resolves with the signature as an ArrayBuffer.
Throws
Type
Description
InvalidAccessError
Raised when the signing key either does not support signing operation, or is incompatible with the selected algorithm.
Example
JavaScript
import{ crypto }from'k6/experimental/webcrypto';exportdefaultasyncfunction(){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);}functionstring2ArrayBuffer(str){const buf =newArrayBuffer(str.length *2);// 2 bytes for each charconst bufView =newUint16Array(buf);for(let i =0, strLen = str.length; i < strLen; i++){
bufView[i]= str.charCodeAt(i);}return buf;}