43 lines
1.3 KiB
JavaScript
43 lines
1.3 KiB
JavaScript
/*
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Copyright (C) 2013 Grégory Soutadé
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This file is part of gPass.
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gPass is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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gPass is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with gPass. If not, see <http://www.gnu.org/licenses/>.
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*/
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var {Cc, Ci} = require("chrome");
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var hmac = Cc["@mozilla.org/security/hmac;1"]
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.createInstance(Ci.nsICryptoHMAC);
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exports.hmac = {
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hmac_init : function (key) {
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var keyObject = Cc["@mozilla.org/security/keyobjectfactory;1"]
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.getService(Ci.nsIKeyObjectFactory)
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.keyFromString(Ci.nsIKeyObject.HMAC, key);
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hmac.init(hmac.SHA256, keyObject);
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},
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hmac_digest : function (message) {
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var data = new Uint8Array(message.length);
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for(i=0; i<message.length; i++)
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data[i] = message.charCodeAt(i);
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hmac.update(data, data.length);
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res = hmac.finish(false);
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hmac.reset();
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return res;
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}
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};
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