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Fix #8 - Make share output valid hexadecimal #9

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Fix #8 - Make share output valid hexadecimal #9

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10 changes: 5 additions & 5 deletions secrets.js
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Original file line number Diff line number Diff line change
Expand Up @@ -243,7 +243,7 @@ exports.share = function(secret, numShares, threshold, padLength, withoutPrefix)
}
}else{
for(var i=0; i<numShares; i++){
x[i] = config.bits.toString(36).toUpperCase() + padLeft(x[i],padding) + bin2hex(y[i]);
x[i] = padLeft(config.bits.toString(16).toUpperCase(), 2) + padLeft(x[i], padding) + bin2hex(y[i]);
}
}

Expand Down Expand Up @@ -300,15 +300,15 @@ function inArray(arr,val){

function processShare(share){

var bits = parseInt(share[0], 36);
var bits = parseInt(share.substring(0, 2), 16);
if(bits && (typeof bits !== 'number' || bits%1 !== 0 || bits<defaults.minBits || bits>defaults.maxBits)){
throw new Error('Number of bits must be an integer between ' + defaults.minBits + ' and ' + defaults.maxBits + ', inclusive.')
}

var max = Math.pow(2, bits) - 1;
var idLength = max.toString(config.radix).length;

var id = parseInt(share.substr(1, idLength), config.radix);
var id = parseInt(share.substr(2, idLength), config.radix);
if(typeof id !== 'number' || id%1 !== 0 || id<1 || id>max){
throw new Error('Share id must be an integer between 1 and ' + config.max + ', inclusive.');
}
Expand Down Expand Up @@ -392,7 +392,7 @@ exports.newShare = function(id, shares){
}

var padding = max.toString(config.radix).length;
return config.bits.toString(36).toUpperCase() + padLeft(id.toString(config.radix), padding) + combine(id, shares);
return padLeft(config.bits.toString(36).toUpperCase(), 2) + padLeft(id.toString(config.radix), padding) + combine(id, shares);
};

// Evaluate the Lagrange interpolation polynomial at x = `at`
Expand Down Expand Up @@ -529,4 +529,4 @@ exports.hex2str = function(str, bytesPerChar){

// by default, initialize without an RNG
exports.init();
})(typeof module !== 'undefined' && module['exports'] ? module['exports'] : (window['secrets'] = {}), typeof GLOBAL !== 'undefined' ? GLOBAL : window );
})(typeof module !== 'undefined' && module['exports'] ? module['exports'] : (window['secrets'] = {}), typeof GLOBAL !== 'undefined' ? GLOBAL : window );