47 lines
1.0 KiB
JavaScript
47 lines
1.0 KiB
JavaScript
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var Privkey = require('./privkey');
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var Pubkey = require('./pubkey');
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var Random = require('./random');
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var bn = require('./bn');
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var point = require('./point');
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function Key(priv, pub) {
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this.priv = priv;
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this.pub = pub;
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};
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Key.prototype.fromRandom = function() {
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do {
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var privbuf = Random.getRandomBuffer(32);
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this.priv = new Privkey(bn(privbuf));
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var condition = this.priv.n.lt(point.getN());
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} while (!condition);
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this.priv2pub();
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};
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Key.prototype.fromString = function(str) {
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var obj = JSON.parse(str);
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if (obj.priv) {
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this.priv = new Privkey();
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this.priv.fromString(obj.priv);
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}
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if (obj.pub) {
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this.pub = new Pubkey();
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this.pub.fromString(obj.pub);
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}
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};
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Key.prototype.priv2pub = function() {
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this.pub = new Pubkey(point.getG().mul(this.priv.n));
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};
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Key.prototype.toString = function() {
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var obj = {};
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if (this.priv)
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obj.priv = this.priv.toString();
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if (this.pub)
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obj.pub = this.pub.toString();
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return JSON.stringify(obj);
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};
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module.exports = Key;
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