Sha256: 0f44f947ffab1dd3184e609e2b8980fb7ac2759dcf132cc82315613da732992b
Contents?: true
Size: 814 Bytes
Versions: 62
Compression:
Stored size: 814 Bytes
Contents
var xor = require('../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
62 entries across 62 versions & 1 rubygems