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⚠️ This is archived documentation for v0.31. Go to the latest version

sha256( input, outputEncoding )

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Use sha256 to hash input data.

ParameterTypeDescription
inputstring / ArrayBuffer (≥ v0.31.0)The input string or ArrayBuffer object to hash.
outputEncodingstringDescribes the type of encoding to use for the hash value. Can be "base64", "base64url", "base64rawurl", "hex" or "binary".

Returns

TypeDescription
string / ArrayThe hash digest as string (for "base64", "base64url", "base64rawurl", "hex" outputEncoding) or raw array of integers (for "binary" outputEncoding).

Example

import crypto from 'k6/crypto';
export default function () {
let hash = crypto.sha256('hello world!', 'hex');
console.log(hash);
let binArray = [104, 101, 108, 108, 111, 32, 119, 111, 114, 108, 100, 33];
hash = crypto.sha256(new Uint8Array(binArray).buffer, 'hex');
console.log(hash);
}

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

INFO[0000] 7509e5bda0c762d2bac7f90d758b5b2263fa01ccbc542ab5e3df163be08e6ca9
INFO[0000] 7509e5bda0c762d2bac7f90d758b5b2263fa01ccbc542ab5e3df163be08e6ca9