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31 lines
807 B
JavaScript
31 lines
807 B
JavaScript
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/** @fileOverview Bit array codec implementations.
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*
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* @author Emily Stark
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* @author Mike Hamburg
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* @author Dan Boneh
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*/
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/** @namespace Hexadecimal */
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sjcl.codec.hex = {
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/** Convert from a bitArray to a hex string. */
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fromBits: function (arr) {
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var out = "", i, x;
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for (i=0; i<arr.length; i++) {
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out += ((arr[i]|0)+0xF00000000000).toString(16).substr(4);
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}
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return out.substr(0, sjcl.bitArray.bitLength(arr)/4);//.replace(/(.{8})/g, "$1 ");
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},
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/** Convert from a hex string to a bitArray. */
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toBits: function (str) {
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var i, out=[], len;
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str = str.replace(/\s|0x/g, "");
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len = str.length;
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str = str + "00000000";
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for (i=0; i<str.length; i+=8) {
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out.push(parseInt(str.substr(i,8),16)^0);
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}
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return sjcl.bitArray.clamp(out, len*4);
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}
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};
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