zervo/bitaddress.org
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Split/combine appear to be working correctly. Had to change conversion between bytes and hex to handle odd-numbers of hex characters. Seems to have been misbehaving.

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This commit is contained in:
Jeff Weiss 2013-04-06 22:03:14 -04:00
parent e38301be98
commit fa26e7d553
1 changed files with 13 additions and 7 deletions
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bitaddress.org.html
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@ -707,12 +707,15 @@
hex.push((bytes[i] >>> 4).toString(16)); hex.push((bytes[i] >>> 4).toString(16));
hex.push((bytes[i] & 0xF).toString(16)); hex.push((bytes[i] & 0xF).toString(16));
} }
return hex.join(""); return hex.join("").split(/^0+/).slice(-1)[0]; //drop leading 0
}, },
// Convert a hex string to a byte array // Convert a hex string to a byte array
hexToBytes: function (hex) { hexToBytes: function (hex) {
for (var bytes = [], c = 0; c < hex.length; c += 2) //if input has odd number of digits, pad it
if (hex.length % 2 == 1)
hex = "0" + hex;
for (var bytes = [], c = 0; c < hex.length; c += 2)
bytes.push(parseInt(hex.substr(c, 2), 16)); bytes.push(parseInt(hex.substr(c, 2), 16));
return bytes; return bytes;
}, },
@ -7513,8 +7516,8 @@
var threshhold = parseInt(document.getElementById('splitthreshhold').value); var threshhold = parseInt(document.getElementById('splitthreshhold').value);
//alert(numshares) //alert(numshares)
//alert(threshhold) //alert(threshhold)
var shares = secrets.share(ninja.publicKey.getHexFromByteArray(Bitcoin.Base58.decode(privkeyBase58)), var shares = secrets.share(Crypto.util.bytesToHex(Bitcoin.Base58.decode(privkeyBase58)),
numshares, threshhold).map(Crypto.util.hexToBytes).map(Bitcoin.Base58.encode);= numshares, threshhold).map(Crypto.util.hexToBytes).map(Bitcoin.Base58.encode);
//alert(shares); //alert(shares);
var output = document.createElement("div"); var output = document.createElement("div");
output.setAttribute("id", "splitoutput"); output.setAttribute("id", "splitoutput");
@ -7542,10 +7545,10 @@
if (element != null) element.parentNode.removeChild(element); if (element != null) element.parentNode.removeChild(element);
var shares = document.getElementById("combineinput").value.split(/\W+/); var shares = document.getElementById("combineinput").value.split(/\W+/);
alert(shares);
var combined = secrets.combine(shares.map(Bitcoin.Base58.decode). var combined = secrets.combine(shares.map(Bitcoin.Base58.decode).
map(ninja.publicKey.getHexFromByteArray)); map(Crypto.util.bytesToHex));
alert(combined);
var privkeyBase58 = Bitcoin.Base58.encode(Crypto.util.hexToBytes(combined)); var privkeyBase58 = Bitcoin.Base58.encode(Crypto.util.hexToBytes(combined));
var output = document.createElement("div"); var output = document.createElement("div");
output.setAttribute("id", "combineoutput"); output.setAttribute("id", "combineoutput");
@ -7553,6 +7556,9 @@
txt.setAttribute("id","combineoutputtext"); txt.setAttribute("id","combineoutputtext");
txt.setAttribute("value",privkeyBase58); txt.setAttribute("value",privkeyBase58);
txt.setAttribute("size",55); txt.setAttribute("size",55);
var lbl = document.createElement("label");
lbl.innerHTML="Private key";
output.appendChild(lbl);
output.appendChild(txt); output.appendChild(txt);
document.getElementById("combinecommands").appendChild(output); document.getElementById("combinecommands").appendChild(output);
} }