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12 lines
342 B
JavaScript
12 lines
342 B
JavaScript
var xor = require('../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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}; |