mirror of
https://github.com/Instadapp/Swap-Aggregator-Subgraph.git
synced 2024-07-29 21:57:12 +00:00
18 lines
342 B
JavaScript
18 lines
342 B
JavaScript
var xor = require('buffer-xor')
|
|
|
|
exports.encrypt = function (self, block) {
|
|
var data = xor(block, self._prev)
|
|
|
|
self._prev = self._cipher.encryptBlock(data)
|
|
return self._prev
|
|
}
|
|
|
|
exports.decrypt = function (self, block) {
|
|
var pad = self._prev
|
|
|
|
self._prev = block
|
|
var out = self._cipher.decryptBlock(block)
|
|
|
|
return xor(out, pad)
|
|
}
|