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all core functionality *works*

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This commit is contained in:
Conor Patrick
2018-07-11 21:55:20 -04:00
parent 156dc3163a
commit eaa7e15499
15 changed files with 850 additions and 63 deletions
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141
web/js/wallet.js
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@@ -1,5 +1,8 @@
DEVELOPMENT = 1;
var to_b58 = function(B){var A="123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz";var d=[],s="",i,j,c,n;for(i in B){j=0,c=B[i];s+=c||s.length^i?"":1;while(j in d||c){n=d[j];n=n?n*256+c:c;c=n/58|0;d[j]=n%58;j++}}while(j--)s+=A[d[j]];return s};
var from_b58 = function(S){var A="123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz";var d=[],b=[],i,j,c,n;for(i in S){j=0,c=A.indexOf(S[i]);if(c<0)throw new Error('Invald b58 character');c||b.length^i?i:b.push(0);while(j in d||c){n=d[j];n=n?n*58+c:c;c=n>>8;d[j]=n%256;j++}}while(j--)b.push(d[j]);return new Uint8Array(b)};
function hex(byteArray, join) {
if (join === undefined) join = ' ';
return Array.from(byteArray, function(byte) {
@@ -67,6 +70,10 @@ function hex2array(string)
return arr;
}
function array2hex(buffer) {
return Array.prototype.map.call(new Uint8Array(buffer), x => ('00' + x.toString(16)).slice(-2)).join('');
}
// https://stackoverflow.com/questions/18729405/how-to-convert-utf8-string-to-byte-array
function toUTF8Array(str) {
var utf8 = [];
@@ -356,13 +363,32 @@ function signRequestFormat(sigAlg,pinToken,challenge,keyid) {
var cmd = CMD.sign;
var p1 = sigAlg;
var p2 = 0;
if (typeof(challenge) == 'string')
{
challenge = websafe2array(challenge);
}
var args = [challenge];
if (keyid) args.push(keyid)
var pinAuth = computePinAuth(pinToken,cmd,p1,p2,args);
console.log(hex(pinAuth));
var req = formatRequest(cmd,p1,p2,pinAuth,args);
console.log('',req);
return req;
}
// @wifkey is wif key in base58 format string
function registerRequestFormat(wifkey, pinToken) {
var cmd = CMD.register;
var p1 = 0;
var p2 = 0;
var keyarr = from_b58(wifkey);
var args = [keyarr];
var pinAuth = computePinAuth(pinToken,cmd,p1,p2,args);
var req = formatRequest(cmd,p1,p2,pinAuth,args);
return req;
}
@@ -396,7 +422,6 @@ var get_shared_secret_ = function(func) {
send_msg(req, function(resp){
var i;
console.log('getKeyAgreement response:', resp);
var devicePubkeyHex = '04'+hex(resp.data,'');
var devicePubkey = self.ecp256.keyFromPublic(devicePubkeyHex,'hex');
@@ -424,7 +449,6 @@ var authenticate_ = function(pin, func){
hash = sha256.create();
hash.update(toUTF8Array(pin));
pinHash = hash.array().slice(0,16);
console.log('pinHash:', hex(pinHash));
var iv = new Uint8Array(16);
iv.fill(0);
@@ -432,7 +456,6 @@ var authenticate_ = function(pin, func){
var aesCbc = new aesjs.ModeOfOperation.cbc(this.shared_secret, iv);
pinHashEnc = aesCbc.encrypt(pinHash);
console.log('pinenc:', hex(pinHashEnc));
var ourPubkey = this.platform_keypair.getPublic(undefined, 'hex');
var ourPubkeyBytes = hex2array(ourPubkey.slice(2,ourPubkey.length));
@@ -440,12 +463,10 @@ var authenticate_ = function(pin, func){
var req = pinRequestFormat(PIN.getPinToken, pinHashEnc, ourPubkeyBytes);
console.log('pinTokenReq',req);
var self = this;
send_msg(req, function(resp){
console.log('getPinToken:', resp);
var aesCbc = new aesjs.ModeOfOperation.cbc(self.shared_secret, iv);
var pinTokenEnc = resp.data;
var pinToken = aesCbc.decrypt(pinTokenEnc);
@@ -491,8 +512,6 @@ var set_pin_ = function(pin, func, failAuth){
var pinBytesPadded = pin2bytes(pin);
var encLen = pinBytesPadded.length;
console.log('encrypted len: ',encLen);
var iv = new Uint8Array(16);
iv.fill(0);
@@ -539,7 +558,6 @@ var change_pin_ = function(curpin, newpin, func, failAuth){
var pinBytesPadded = pin2bytes(newpin);
var encLen = pinBytesPadded.length;
console.log('encrypted len: ',encLen);
var iv = new Uint8Array(16);
iv.fill(0);
@@ -595,6 +613,21 @@ var sign_ = function(obj, func){
});
};
var register_ = function(wifkey, func){
if (!wifkey)
throw new Error("No key provided");
var req = registerRequestFormat(wifkey,this.pinToken);
send_msg(req, function(resp){
if (func) func(resp);
});
};
function WalletDevice() {
var self = this;
this.shared_secret = null;
@@ -623,6 +656,39 @@ function WalletDevice() {
this.change_pin = change_pin_;
this.get_retries = get_retries_;
this.register = register_;
}
// @key input private key in hex string format
function key2wif(key)
{
//2
key = '0x80' + key;
bin = hex2array(key);
//3
var hash = sha256.create();
hash.update(bin);
bin = hash.array();
//4
hash = sha256.create();
hash.update(bin);
bin = hash.array();
// 5
var chksum = bin.slice(0,4);
// 6
key = key + array2hex(chksum);
// 7
key = hex2array(key);
key = to_b58(key);
return key;
}
@@ -637,14 +703,18 @@ function run_tests() {
dev.is_pin_set(function(bool){
if (bool) {
console.log('Pin is set. Changing it again..');
dev.change_pin(pin,pin2,function(succ){
console.log('Pin set to ' + pin2,succ);
console.log('Pin is set. ');
//dev.change_pin(pin,pin2,function(succ){
//console.log('Pin set to ' + pin2,succ);
dev.get_retries(function(num){
console.log("Have "+num+" attempts to get pin right");
});
//dev.get_retries(function(num){
//console.log("Have "+num+" attempts to get pin right");
//});
//});
dev.authenticate(pin, function(){
t2();
});
}
else {
@@ -657,6 +727,45 @@ function run_tests() {
});
function t2 ()
{
var ec = new EC('p256');
var key = ec.genKeyPair();
var priv = key.getPrivate('hex');
// convert to wif
priv = key2wif(priv);
var chal = 'ogfhriodghdro;igh';
var hash = sha256.create();
hash.update(chal);
chal = hash.array();
dev.register(priv, function(resp){
console.log('register response', resp);
dev.sign({challenge: chal}, function(resp){
var r = resp.data.slice(0,32);
var s = resp.data.slice(32,64);
r = array2hex(r);
s = array2hex(s);
var sig = {r: r, s: s};
console.log('sign response', resp);
var ver = key.verify(chal, sig);
console.log("verify: ",ver);
});
});
}
}