@reclaimprotocol/tls/lib/crypto/insecure-rand.js

TLS 1.2/1.3 for any JavaScript Environment

export function randomBytes(length) {
    // not the most secure but has to do for an env
    // without crypto.getRandomValues
    const bytes = new Uint8Array(length);
    for (let i = 0; i < length; i++) {
        bytes[i] = Math.floor(Math.random() * 256) % 256;
    }
    return bytes;
}