| 1 | var xor = require('../xor');
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| 2 | function getBlock(self) {
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| 3 | self._prev = self._cipher.encryptBlock(self._prev);
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| 4 | return self._prev;
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| 5 | }
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| 6 | exports.encrypt = function (self, chunk) {
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| 7 | while (self._cache.length < chunk.length) {
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| 8 | self._cache = Buffer.concat([self._cache, getBlock(self)]);
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| 9 | }
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| 10 | var pad = self._cache.slice(0, chunk.length);
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| 11 | self._cache = self._cache.slice(chunk.length);
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| 12 | return xor(chunk, pad);
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| 13 | }; |
| \ | No newline at end of file |