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Diffstat (limited to 'signaling-server/node_modules/socket.io/node_modules/socket.io-client/lib/vendor/web-socket-js/flash-src/com/hurlant/crypto/symmetric/CBCMode.as')
-rw-r--r--signaling-server/node_modules/socket.io/node_modules/socket.io-client/lib/vendor/web-socket-js/flash-src/com/hurlant/crypto/symmetric/CBCMode.as55
1 files changed, 55 insertions, 0 deletions
diff --git a/signaling-server/node_modules/socket.io/node_modules/socket.io-client/lib/vendor/web-socket-js/flash-src/com/hurlant/crypto/symmetric/CBCMode.as b/signaling-server/node_modules/socket.io/node_modules/socket.io-client/lib/vendor/web-socket-js/flash-src/com/hurlant/crypto/symmetric/CBCMode.as
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--- /dev/null
+++ b/signaling-server/node_modules/socket.io/node_modules/socket.io-client/lib/vendor/web-socket-js/flash-src/com/hurlant/crypto/symmetric/CBCMode.as
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+/**
+ * CBCMode
+ *
+ * An ActionScript 3 implementation of the CBC confidentiality mode
+ * Copyright (c) 2007 Henri Torgemane
+ *
+ * See LICENSE.txt for full license information.
+ */
+package com.hurlant.crypto.symmetric
+{
+ import flash.utils.ByteArray;
+
+ /**
+ * CBC confidentiality mode. why not.
+ */
+ public class CBCMode extends IVMode implements IMode
+ {
+
+ public function CBCMode(key:ISymmetricKey, padding:IPad = null) {
+ super(key, padding);
+ }
+
+ public function encrypt(src:ByteArray):void {
+ padding.pad(src);
+ var vector:ByteArray = getIV4e();
+ for (var i:uint=0;i<src.length;i+=blockSize) {
+ for (var j:uint=0;j<blockSize;j++) {
+ src[i+j] ^= vector[j];
+ }
+ key.encrypt(src, i);
+ vector.position=0;
+ vector.writeBytes(src, i, blockSize);
+ }
+ }
+ public function decrypt(src:ByteArray):void {
+ var vector:ByteArray = getIV4d();
+ var tmp:ByteArray = new ByteArray;
+ for (var i:uint=0;i<src.length;i+=blockSize) {
+ tmp.position=0;
+ tmp.writeBytes(src, i, blockSize);
+ key.decrypt(src, i);
+ for (var j:uint=0;j<blockSize;j++) {
+ src[i+j] ^= vector[j];
+ }
+ vector.position=0;
+ vector.writeBytes(tmp, 0, blockSize);
+ }
+ padding.unpad(src);
+ }
+
+ public function toString():String {
+ return key.toString()+"-cbc";
+ }
+ }
+}