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authorFlorian Dold <florian.dold@gmail.com>2017-05-03 15:35:00 +0200
committerFlorian Dold <florian.dold@gmail.com>2017-05-03 15:35:00 +0200
commitde98e0b232509d5f40c135d540a70e415272ff85 (patch)
treea79222a5b58484ab3b80d18efcaaa7ccc4769b33 /node_modules/browserify-aes/modes/cfb8.js
parente0c9d480a73fa629c1e4a47d3e721f1d2d345406 (diff)
node_modules
Diffstat (limited to 'node_modules/browserify-aes/modes/cfb8.js')
-rw-r--r--node_modules/browserify-aes/modes/cfb8.js15
1 files changed, 15 insertions, 0 deletions
diff --git a/node_modules/browserify-aes/modes/cfb8.js b/node_modules/browserify-aes/modes/cfb8.js
new file mode 100644
index 000000000..c967a959f
--- /dev/null
+++ b/node_modules/browserify-aes/modes/cfb8.js
@@ -0,0 +1,15 @@
+function encryptByte (self, byteParam, decrypt) {
+ var pad = self._cipher.encryptBlock(self._prev)
+ var out = pad[0] ^ byteParam
+ self._prev = Buffer.concat([self._prev.slice(1), new Buffer([decrypt ? byteParam : out])])
+ return out
+}
+exports.encrypt = function (self, chunk, decrypt) {
+ var len = chunk.length
+ var out = new Buffer(len)
+ var i = -1
+ while (++i < len) {
+ out[i] = encryptByte(self, chunk[i], decrypt)
+ }
+ return out
+}