Derivation Path

+ BIP32 +
BIP44
- BIP32 +
+ BIP49

@@ -297,7 +306,7 @@ Purpose

- +

@@ -305,7 +314,7 @@ Coin

- +

@@ -433,6 +442,96 @@

+
+ +

+ For more info see the + BIP49 spec. +

+ + Purpose + +

+ +

+ + Coin + +

+ +

+ + Account + +

+ +

+ + External / Internal + +

+ +

+ + +

The account extended keys can be used for importing to most BIP49 compatible wallets.

+ + Account Extended Private Key + +

+ +

+ + Account Extended Public Key + +

+ +

+ + +

The BIP32 derivation path and extended keys are the basis for the derived addresses.

+ BIP32 Derivation Path +

+ +

@@ -7176,2818 +7275,1628 @@ correctLevel:2,background:"#ffffff",foreground:"#000000"},h);return this.each(fu j=Math.ceil((f+1)*b)-Math.floor(f*b);d.fillRect(Math.round(i*b),Math.round(f*e),g,j)}}else{a=new o(h.typeNumber,h.correctLevel);a.addData(h.text);a.make();c=r("

").css("width",h.width+"px").css("height",h.height+"px").css("border","0px").css("border-collapse","collapse").css("background-color",h.background);d=h.width/a.getModuleCount();b=h.height/a.getModuleCount();for(e=0;e").css("height",b+"px").appendTo(c);for(i=0;i").css("width", d+"px").css("background-color",a.isDark(e,i)?h.foreground:h.background).appendTo(f)}}a=c;$(a).appendTo(this)})}})($); - - @@ -43724,7 +46103,7 @@ window.Entropy = new (function() { var seed = null; var bip32RootKey = null; var bip32ExtendedKey = null; - var network = bitcoin.networks.bitcoin; + var network = bitcoinjs.bitcoin.networks.bitcoin; var addressRowTemplate = $("#address-row-template"); var showIndex = true; @@ -43748,7 +46127,7 @@ window.Entropy = new (function() { DOM.entropy = $(".entropy"); DOM.entropyFiltered = DOM.entropyContainer.find(".filtered"); DOM.entropyType = DOM.entropyContainer.find(".type"); - DOM.entropyStrength = DOM.entropyContainer.find(".strength"); + DOM.entropyCrackTime = DOM.entropyContainer.find(".crack-time"); DOM.entropyEventCount = DOM.entropyContainer.find(".event-count"); DOM.entropyBits = DOM.entropyContainer.find(".bits"); DOM.entropyBitsPerEvent = DOM.entropyContainer.find(".bits-per-event"); @@ -43765,8 +46144,10 @@ window.Entropy = new (function() { DOM.extendedPubKey = $(".extended-pub-key"); DOM.bip32tab = $("#bip32-tab"); DOM.bip44tab = $("#bip44-tab"); + DOM.bip49tab = $("#bip49-tab"); DOM.bip32panel = $("#bip32"); DOM.bip44panel = $("#bip44"); + DOM.bip49panel = $("#bip49"); DOM.bip32path = $("#bip32-path"); DOM.bip44path = $("#bip44-path"); DOM.bip44purpose = $("#bip44 .purpose"); @@ -43775,6 +46156,15 @@ window.Entropy = new (function() { DOM.bip44accountXprv = $("#bip44 .account-xprv"); DOM.bip44accountXpub = $("#bip44 .account-xpub"); DOM.bip44change = $("#bip44 .change"); + DOM.bip49unavailable = $("#bip49 .unavailable"); + DOM.bip49available = $("#bip49 .available"); + DOM.bip49path = $("#bip49-path"); + DOM.bip49purpose = $("#bip49 .purpose"); + DOM.bip49coin = $("#bip49 .coin"); + DOM.bip49account = $("#bip49 .account"); + DOM.bip49accountXprv = $("#bip49 .account-xprv"); + DOM.bip49accountXpub = $("#bip49 .account-xpub"); + DOM.bip49change = $("#bip49 .change"); DOM.generatedStrength = $(".generate-container .strength"); DOM.hardenedAddresses = $(".hardened-addresses"); DOM.addresses = $(".addresses"); @@ -43806,10 +46196,10 @@ window.Entropy = new (function() { DOM.more.on("click", showMore); DOM.rootKey.on("input", delayedRootKeyChanged); DOM.bip32path.on("input", calcForDerivationPath); - DOM.bip44purpose.on("input", calcForDerivationPath); - DOM.bip44coin.on("input", calcForDerivationPath); DOM.bip44account.on("input", calcForDerivationPath); DOM.bip44change.on("input", calcForDerivationPath); + DOM.bip49account.on("input", calcForDerivationPath); + DOM.bip49change.on("input", calcForDerivationPath); DOM.tab.on("shown.bs.tab", calcForDerivationPath); DOM.hardenedAddresses.on("change", calcForDerivationPath); DOM.indexToggle.on("click", toggleIndexes); @@ -43828,8 +46218,17 @@ window.Entropy = new (function() { // Event handlers function networkChanged(e) { + clearDerivedKeys(); + clearAddressesList(); var networkIndex = e.target.value; - networks[networkIndex].onSelect(); + var network = networks[networkIndex]; + network.onSelect(); + if (network.bip49available) { + showBip49(); + } + else { + hideBip49(); + } if (seed != null) { phraseChanged(); } @@ -43972,8 +46371,13 @@ window.Entropy = new (function() { function calcForDerivationPath() { showPending(); + clearDerivedKeys(); clearAddressesList(); hideValidationError(); + // Don't show bip49 if it's selected but network doesn't support it + if (bip49TabSelected() && !networkHasBip49()) { + return; + } // Get the derivation path var derivationPath = getDerivationPath(); var errorText = findDerivationPathErrors(derivationPath); @@ -43985,6 +46389,9 @@ window.Entropy = new (function() { if (bip44TabSelected()) { displayBip44Info(); } + if (bip49TabSelected()) { + displayBip49Info(); + } displayBip32Info(); hidePending(); } @@ -44056,11 +46463,11 @@ window.Entropy = new (function() { function calcBip32RootKeyFromSeed(phrase, passphrase) { seed = mnemonic.toSeed(phrase, passphrase); - bip32RootKey = bitcoin.HDNode.fromSeedHex(seed, network); + bip32RootKey = bitcoinjs.bitcoin.HDNode.fromSeedHex(seed, network); } function calcBip32RootKeyFromBase58(rootKeyBase58) { - bip32RootKey = bitcoin.HDNode.fromBase58(rootKeyBase58, network); + bip32RootKey = bitcoinjs.bitcoin.HDNode.fromBase58(rootKeyBase58, network); } function calcBip32ExtendedKey(path) { @@ -44078,7 +46485,7 @@ window.Entropy = new (function() { continue; } var hardened = bit[bit.length-1] == "'"; - var isPriv = "privKey" in extendedKey; + var isPriv = !(extendedKey.isNeutered()); var invalidDerivationPath = hardened && !isPriv; if (invalidDerivationPath) { extendedKey = null; @@ -44134,7 +46541,7 @@ window.Entropy = new (function() { function validateRootKey(rootKeyBase58) { try { - bitcoin.HDNode.fromBase58(rootKeyBase58); + bitcoinjs.bitcoin.HDNode.fromBase58(rootKeyBase58); } catch (e) { return "Invalid root key"; @@ -44158,6 +46565,21 @@ window.Entropy = new (function() { console.log("Using derivation path from BIP44 tab: " + derivationPath); return derivationPath; } + if (bip49TabSelected()) { + var purpose = parseIntNoNaN(DOM.bip49purpose.val(), 49); + var coin = parseIntNoNaN(DOM.bip49coin.val(), 0); + var account = parseIntNoNaN(DOM.bip49account.val(), 0); + var change = parseIntNoNaN(DOM.bip49change.val(), 0); + var path = "m/"; + path += purpose + "'/"; + path += coin + "'/"; + path += account + "'/"; + path += change; + DOM.bip49path.val(path); + var derivationPath = DOM.bip49path.val(); + console.log("Using derivation path from BIP49 tab: " + derivationPath); + return derivationPath; + } else if (bip32TabSelected()) { var derivationPath = DOM.bip32path.val(); console.log("Using derivation path from BIP32 tab: " + derivationPath); @@ -44208,7 +46630,7 @@ window.Entropy = new (function() { } // Check no hardened derivation path when using xpub keys var hardened = path.indexOf("'") > -1; - var isXpubkey = !("privKey" in bip32RootKey); + var isXpubkey = bip32RootKey.isNeutered(); if (hardened && isXpubkey) { return "Hardened derivation path is invalid with xpub key"; } @@ -44227,24 +46649,42 @@ window.Entropy = new (function() { // Calculate the account extended keys var accountExtendedKey = calcBip32ExtendedKey(path); var accountXprv = accountExtendedKey.toBase58(); - var accountXpub = accountExtendedKey.toBase58(false); + var accountXpub = accountExtendedKey.neutered().toBase58(); // Display the extended keys DOM.bip44accountXprv.val(accountXprv); DOM.bip44accountXpub.val(accountXpub); } + function displayBip49Info() { + // Get the derivation path for the account + var purpose = parseIntNoNaN(DOM.bip49purpose.val(), 49); + var coin = parseIntNoNaN(DOM.bip49coin.val(), 0); + var account = parseIntNoNaN(DOM.bip49account.val(), 0); + var path = "m/"; + path += purpose + "'/"; + path += coin + "'/"; + path += account + "'/"; + // Calculate the account extended keys + var accountExtendedKey = calcBip32ExtendedKey(path); + var accountXprv = accountExtendedKey.toBase58(); + var accountXpub = accountExtendedKey.neutered().toBase58(); + // Display the extended keys + DOM.bip49accountXprv.val(accountXprv); + DOM.bip49accountXpub.val(accountXpub); + } + function displayBip32Info() { // Display the key DOM.seed.val(seed); var rootKey = bip32RootKey.toBase58(); DOM.rootKey.val(rootKey); var xprvkeyB58 = "NA"; - if (bip32ExtendedKey.privKey) { + if (!bip32ExtendedKey.isNeutered()) { xprvkeyB58 = bip32ExtendedKey.toBase58(); } var extendedPrivKey = xprvkeyB58; DOM.extendedPrivKey.val(extendedPrivKey); - var extendedPubKey = bip32ExtendedKey.toBase58(false); + var extendedPubKey = bip32ExtendedKey.neutered().toBase58(); DOM.extendedPubKey.val(extendedPubKey); // Display the addresses and privkeys clearAddressesList(); @@ -44275,6 +46715,8 @@ window.Entropy = new (function() { var self = this; this.shouldGenerate = true; var useHardenedAddresses = DOM.hardenedAddresses.prop("checked"); + var isBip49 = bip49TabSelected(); + var bip49available = networkHasBip49(); function init() { calculateValues(); @@ -44285,7 +46727,7 @@ window.Entropy = new (function() { if (!self.shouldGenerate) { return; } - var key = ""; + var key = "NA"; if (useHardenedAddresses) { key = bip32ExtendedKey.deriveHardened(index); } @@ -44294,28 +46736,41 @@ window.Entropy = new (function() { } var address = key.getAddress().toString(); var privkey = "NA"; - if (key.privKey) { - privkey = key.privKey.toWIF(network); + if (!key.isNeutered()) { + privkey = key.keyPair.toWIF(network); } - var pubkey = key.pubKey.toHex(); + var pubkey = key.getPublicKeyBuffer().toString('hex'); var indexText = getDerivationPath() + "/" + index; if (useHardenedAddresses) { indexText = indexText + "'"; } // Ethereum values are different - if (networks[DOM.network.val()].name == "Ethereum") { - var privKeyBuffer = key.privKey.d.toBuffer(); + if (networks[DOM.network.val()].name == "ETH - Ethereum") { + var privKeyBuffer = key.keyPair.d.toBuffer(); privkey = privKeyBuffer.toString('hex'); var addressBuffer = ethUtil.privateToAddress(privKeyBuffer); var hexAddress = addressBuffer.toString('hex'); var checksumAddress = ethUtil.toChecksumAddress(hexAddress); address = ethUtil.addHexPrefix(checksumAddress); + privkey = ethUtil.addHexPrefix(privkey); + pubkey = ethUtil.addHexPrefix(pubkey); } // Ripple values are different - if (networks[DOM.network.val()].name == "Ripple") { + if (networks[DOM.network.val()].name == "XRP - Ripple") { privkey = convertRipplePriv(privkey); address = convertRippleAdrr(address); } + // BIP49 addresses are different + if (isBip49) { + if (!bip49available) { + return; + } + var keyhash = bitcoinjs.bitcoin.crypto.hash160(key.getPublicKeyBuffer()); + var scriptsig = bitcoinjs.bitcoin.script.witnessPubKeyHash.output.encode(keyhash); + var addressbytes = bitcoinjs.bitcoin.crypto.hash160(scriptsig); + var scriptpubkey = bitcoinjs.bitcoin.script.scriptHash.output.encode(addressbytes); + address = bitcoinjs.bitcoin.address.fromOutputScript(scriptpubkey, network) + } addAddressToList(indexText, address, pubkey, privkey); }, 50) } @@ -44343,7 +46798,7 @@ window.Entropy = new (function() { function clearDisplay() { clearAddressesList(); - clearKey(); + clearKeys(); hideValidationError(); } @@ -44359,10 +46814,20 @@ window.Entropy = new (function() { } } - function clearKey() { + function clearKeys() { + clearRootKey(); + clearDerivedKeys(); + } + + function clearRootKey() { DOM.rootKey.val(""); + } + + function clearDerivedKeys() { DOM.extendedPrivKey.val(""); DOM.extendedPubKey.val(""); + DOM.bip44accountXprv.val(""); + DOM.bip44accountXpub.val(""); } function addAddressToList(indexText, address, pubkey, privkey) { @@ -44450,6 +46915,9 @@ window.Entropy = new (function() { var option = $("

Mnemonic Code Converter

Derivation Path