@authing/jose
Version:
Webpack v4 compatible version of panva/jose v3.x
20 lines (19 loc) • 538 B
JavaScript
const timingSafeEqual = (a, b) => {
if (!(a instanceof Uint8Array)) {
throw new TypeError('First argument must be a buffer');
}
if (!(b instanceof Uint8Array)) {
throw new TypeError('Second argument must be a buffer');
}
if (a.length !== b.length) {
throw new TypeError('Input buffers must have the same length');
}
const len = a.length;
let out = 0;
let i = -1;
while (++i < len) {
out |= a[i] ^ b[i];
}
return out === 0;
};
export default timingSafeEqual;