Sha256: ad3360cb26c7d63276f8dca3288cdfc618473ba0e7dcef8bf5de70a9902861b0
Contents?: true
Size: 811 Bytes
Versions: 8
Compression:
Stored size: 811 Bytes
Contents
var xor = require('buffer-xor')
exports.encrypt = function (self, data, decrypt) {
var out = new Buffer('')
var len
while (data.length) {
if (self._cache.length === 0) {
self._cache = self._cipher.encryptBlock(self._prev)
self._prev = new Buffer('')
}
if (self._cache.length <= data.length) {
len = self._cache.length
out = Buffer.concat([out, encryptStart(self, data.slice(0, len), decrypt)])
data = data.slice(len)
} else {
out = Buffer.concat([out, encryptStart(self, data, decrypt)])
break
}
}
return out
}
function encryptStart (self, data, decrypt) {
var len = data.length
var out = xor(data, self._cache)
self._cache = self._cache.slice(len)
self._prev = Buffer.concat([self._prev, decrypt ? data : out])
return out
}
Version data entries
8 entries across 8 versions & 3 rubygems