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17 lines
342 B
17 lines
342 B
var xor = require('buffer-xor')
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exports.encrypt = function (self, block) {
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var data = xor(block, self._prev)
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self._prev = self._cipher.encryptBlock(data)
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return self._prev
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}
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exports.decrypt = function (self, block) {
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var pad = self._prev
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self._prev = block
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var out = self._cipher.decryptBlock(block)
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return xor(out, pad)
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}
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