Javascript wrapper for window.crypto.subtle.encrypt() using one-time-key's transmitted via private/public keypairs.
<scripttype="text/javascript">// Loading JavaScript from a cross-site resource is blocked.// But there's nothing stopping us from downloading the script// as a text-blob and placing it within the <script> </ script> tags,// which causes the browser to parse it, but not as a forrain object.//// #LoadingScriptsFromGithubvarscript=document.createElement('script');script.type='text/javascript';letxhr=newXMLHttpRequest();xhr.open("GET",'https://raw.githubusercontent.com/Torxed/slimCrypt/master/slimCrypt.js',true);xhr.onreadystatechange=function(){if(this.readyState===XMLHttpRequest.DONE&&this.status===200){script.innerHTML=this.responseText;document.head.appendChild(script);}}xhr.send();</script>letstring_to_be_encrypted="A message or something";generate_one_time_key((one_time_key)=>{encrypt_with_key(string_to_be_encrypted,one_time_key,(encrypt_struct)=>{wrap_key_in_pubkey(encrypt_struct,one_time_key,connected_to['publicKey'],(wrapped_key)=>{letstruct={'payload': encrypt_struct['b64_encrypted_payload'],'key' : wrapped_key,'iv' : btoa(encrypt_struct['iv']),'key_format' : encrypt_struct['key_format'],"access_token": access_token}socket.send(struct);});});})letstruct={'payload': encrypt_struct['b64_encrypted_payload'],'key' : wrapped_key,'iv' : btoa(encrypt_struct['iv']),'key_format' : encrypt_struct['key_format'],"access_token": access_token}letarray=JSON.parse("["+atob(struct['payload'])+"]");letencrypted_message=newUint8Array(array);letone_time_key_wrapped=newUint8Array(JSON.parse("["+atob(struct['key'])+"]"));load_private_key(keys['privateKey'],(privateKey)=>{extract_one_time_key(one_time_key_wrapped,privateKey,(one_time_key)=>{letoptions={name: struct['key_format'],iv: newUint8Array(JSON.parse("["+atob(struct['iv'])+"]"))};decrypt_with_key(options,one_time_key,encrypted_message,(decrypted_message)=>{console.log(decrypted_message)});});});