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| author | Hiroshi Ichikawa <gimite@gmail.com> | 2011-08-28 22:14:15 +0900 |
|---|---|---|
| committer | Hiroshi Ichikawa <gimite@gmail.com> | 2011-08-28 22:14:15 +0900 |
| commit | 80c91d84bc3e84f684f53172e8eb7cad81795fb1 (patch) | |
| tree | 70d3a71d8020902ed246fc7b908ebf9c3478f653 /flash-src/third-party/com/hurlant/crypto/symmetric/TLSPad.as | |
| parent | ed0622a890de811eb6d766d5c5a9a62d726f0593 (diff) | |
| download | web-socket-js-80c91d84bc3e84f684f53172e8eb7cad81795fb1.tar.gz | |
Moving our own .as files into flash-src/src and third-party .as files into flash-src/third-party.
Adding build rule for WebSocketWithoutDependencies.swc.
Diffstat (limited to 'flash-src/third-party/com/hurlant/crypto/symmetric/TLSPad.as')
| -rw-r--r-- | flash-src/third-party/com/hurlant/crypto/symmetric/TLSPad.as | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/flash-src/third-party/com/hurlant/crypto/symmetric/TLSPad.as b/flash-src/third-party/com/hurlant/crypto/symmetric/TLSPad.as new file mode 100644 index 0000000..f3b6182 --- /dev/null +++ b/flash-src/third-party/com/hurlant/crypto/symmetric/TLSPad.as @@ -0,0 +1,42 @@ +/**
+ * TLSPad
+ *
+ * A padding implementation used by TLS
+ * Copyright (c) 2007 Henri Torgemane
+ *
+ * See LICENSE.txt for full license information.
+ */
+package com.hurlant.crypto.symmetric {
+ import flash.utils.ByteArray;
+ import com.hurlant.util.Hex;
+ import com.hurlant.crypto.tls.TLSError;
+
+ public class TLSPad implements IPad {
+ private var blockSize:uint;
+
+ public function TLSPad(blockSize:uint=0) {
+ this.blockSize = blockSize;
+ }
+ public function pad(a:ByteArray):void {
+ var c:uint = blockSize - (a.length+1)%blockSize;
+ for (var i:uint=0;i<=c;i++) {
+ a[a.length] = c;
+ }
+ }
+ public function unpad(a:ByteArray):void {
+ var c:uint = a.length%blockSize;
+ if (c!=0) throw new TLSError("TLSPad::unpad: ByteArray.length isn't a multiple of the blockSize", TLSError.bad_record_mac);
+ c = a[a.length-1];
+ for (var i:uint=c;i>0;i--) {
+ var v:uint = a[a.length-1];
+ a.length--;
+ if (c!=v) throw new TLSError("TLSPad:unpad: Invalid padding value. expected ["+c+"], found ["+v+"]", TLSError.bad_record_mac);
+ }
+ a.length--;
+ // mostly ripped off from PKCS5.as, but with subtle differences
+ }
+ public function setBlockSize(bs:uint):void {
+ blockSize = bs;
+ }
+ }
+}
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