24 lines
631 B
JavaScript
24 lines
631 B
JavaScript
// From https://stackoverflow.com/a/34356351
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// Convert a hex string to a byte array
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function hexToBytes(hex) {
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for (var bytes = [], c = 0; c < hex.length; c += 2)
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bytes.push(parseInt(hex.substr(c, 2), 16));
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return bytes;
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}
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// Convert a byte array to a hex string
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function bytesToHex(bytes) {
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for (var hex = [], i = 0; i < bytes.length; i++) {
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var current = bytes[i] < 0 ? bytes[i] + 256 : bytes[i];
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hex.push((current >>> 4).toString(16));
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hex.push((current & 0xF).toString(16));
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}
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return hex.join("");
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}
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// Specify exports
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module.exports = {
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hexToBytes,
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bytesToHex
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}; |