diff options
Diffstat (limited to 'node_modules/browserify-aes/modes/cfb.js')
-rw-r--r-- | node_modules/browserify-aes/modes/cfb.js | 33 |
1 files changed, 0 insertions, 33 deletions
diff --git a/node_modules/browserify-aes/modes/cfb.js b/node_modules/browserify-aes/modes/cfb.js deleted file mode 100644 index 03b2ee9..0000000 --- a/node_modules/browserify-aes/modes/cfb.js +++ /dev/null @@ -1,33 +0,0 @@ -var Buffer = require('safe-buffer').Buffer -var xor = require('buffer-xor') - -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 -} - -exports.encrypt = function (self, data, decrypt) { - var out = Buffer.allocUnsafe(0) - var len - - while (data.length) { - if (self._cache.length === 0) { - self._cache = self._cipher.encryptBlock(self._prev) - self._prev = Buffer.allocUnsafe(0) - } - - 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 -} |