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2020-2-capstone-design2 / 2017110267

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  • 2017110267
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  • node_modules
  • browserify-aes
  • incr32.js
  • Flare-k's avatar
    Setting Environment · 4ae4e6dd
    4ae4e6dd
    Flare-k authored 2020-10-13 19:52:07 +0900
incr32.js 260 Bytes
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function incr32 (iv) {
  var len = iv.length
  var item
  while (len--) {
    item = iv.readUInt8(len)
    if (item === 255) {
      iv.writeUInt8(0, len)
    } else {
      item++
      iv.writeUInt8(item, len)
      break
    }
  }
}
module.exports = incr32