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• .. (вверх)
• [DIR] ..
• [FILE] cbc.js
• [FILE] cfb.js
• [FILE] cfb1.js
• [FILE] cfb8.js
• [FILE] ctr.js
• [FILE] ecb.js
• [FILE] ofb.js

Просмотр файла: cfb8.js

function encryptByte (self, byteParam, decrypt) {
  var pad = self._cipher.encryptBlock(self._prev)
  var out = pad[0] ^ byteParam
  self._prev = Buffer.concat([self._prev.slice(1), new Buffer([decrypt ? byteParam : out])])
  return out
}
exports.encrypt = function (self, chunk, decrypt) {
  var len = chunk.length
  var out = new Buffer(len)
  var i = -1
  while (++i < len) {
    out[i] = encryptByte(self, chunk[i], decrypt)
  }
  return out
}

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