October 23, 2023
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// Copied from https://developer.mozilla.org/en-US/docs/Web/API/SubtleCrypto/digest
export const sha256 = async function digestMessage(message) {
const msgUint8 = new TextEncoder().encode(message); // encode as (utf-8) Uint8Array
const hashBuffer = await crypto.subtle.digest("SHA-256", msgUint8); // hash the message
const hashArray = Array.from(new Uint8Array(hashBuffer)); // convert buffer to byte array
const hashHex = hashArray
.map((b) => b.toString(16).padStart(2, "0"))
.join(""); // convert bytes to hex string
return hashHex;
};
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October 23, 2023