Initial import: Carteasy Shop (Dev-Stand)
This commit is contained in:
@@ -0,0 +1,127 @@
|
||||
/*
|
||||
Copyright (c) 2008, Adobe Systems Incorporated
|
||||
All rights reserved.
|
||||
|
||||
Redistribution and use in source and binary forms, with or without
|
||||
modification, are permitted provided that the following conditions are
|
||||
met:
|
||||
|
||||
* Redistributions of source code must retain the above copyright notice,
|
||||
this list of conditions and the following disclaimer.
|
||||
|
||||
* Redistributions in binary form must reproduce the above copyright
|
||||
notice, this list of conditions and the following disclaimer in the
|
||||
documentation and/or other materials provided with the distribution.
|
||||
|
||||
* Neither the name of Adobe Systems Incorporated nor the names of its
|
||||
contributors may be used to endorse or promote products derived from
|
||||
this software without specific prior written permission.
|
||||
|
||||
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
|
||||
IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
|
||||
THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
||||
PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
|
||||
CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
|
||||
EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
|
||||
PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
|
||||
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
|
||||
LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
|
||||
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
||||
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
*/
|
||||
|
||||
package com.adobe.crypto {
|
||||
import flash.utils.ByteArray;
|
||||
import flash.utils.Endian;
|
||||
import flash.utils.describeType;
|
||||
/**
|
||||
* Keyed-Hashing for Message Authentication
|
||||
* Implementation based on algorithm description at
|
||||
* http://www.faqs.org/rfcs/rfc2104.html
|
||||
*/
|
||||
public class HMAC
|
||||
{
|
||||
/**
|
||||
* Performs the HMAC hash algorithm using byte arrays.
|
||||
*
|
||||
* @param secret The secret key
|
||||
* @param message The message to hash
|
||||
* @param algorithm Hash object to use
|
||||
* @return A string containing the hash value of message
|
||||
* @langversion ActionScript 3.0
|
||||
* @playerversion Flash 8.5
|
||||
* @tiptext
|
||||
*/
|
||||
public static function hash( secret:String, message:String, algorithm:Object = null ):String
|
||||
{
|
||||
var text:ByteArray = new ByteArray();
|
||||
var k_secret:ByteArray = new ByteArray();
|
||||
|
||||
text.writeUTFBytes(message);
|
||||
k_secret.writeUTFBytes(secret);
|
||||
|
||||
return hashBytes(k_secret, text, algorithm);
|
||||
}
|
||||
|
||||
/**
|
||||
* Performs the HMAC hash algorithm using string.
|
||||
*
|
||||
* @param secret The secret key
|
||||
* @param message The message to hash
|
||||
* @param algorithm Hash object to use
|
||||
* @return A string containing the hash value of message
|
||||
* @langversion ActionScript 3.0
|
||||
* @playerversion Flash 8.5
|
||||
* @tiptext
|
||||
*/
|
||||
public static function hashBytes( secret:ByteArray, message:ByteArray, algorithm:Object = null ):String
|
||||
{
|
||||
var ipad:ByteArray = new ByteArray();
|
||||
var opad:ByteArray = new ByteArray();
|
||||
var endian:String = Endian.BIG_ENDIAN;
|
||||
|
||||
if(algorithm == null){
|
||||
algorithm = MD5;
|
||||
}
|
||||
|
||||
if ( describeType(algorithm).@name.toString() == "com.adobe.crypto::MD5" ) {
|
||||
endian = Endian.LITTLE_ENDIAN;
|
||||
}
|
||||
|
||||
if ( secret.length > 64 ) {
|
||||
algorithm.hashBytes(secret);
|
||||
secret = new ByteArray();
|
||||
secret.endian = endian;
|
||||
|
||||
while ( algorithm.digest.bytesAvailable != 0 ) {
|
||||
secret.writeInt(algorithm.digest.readInt());
|
||||
}
|
||||
}
|
||||
|
||||
secret.length = 64
|
||||
secret.position = 0;
|
||||
for ( var x:int = 0; x < 64; x++ ) {
|
||||
var byte:int = secret.readByte();
|
||||
ipad.writeByte(0x36 ^ byte);
|
||||
opad.writeByte(0x5c ^ byte);
|
||||
}
|
||||
|
||||
ipad.writeBytes(message);
|
||||
algorithm.hashBytes(ipad);
|
||||
var tmp:ByteArray = new ByteArray();
|
||||
tmp.endian = endian;
|
||||
|
||||
while ( algorithm.digest.bytesAvailable != 0 ) {
|
||||
tmp.writeInt(algorithm.digest.readInt());
|
||||
}
|
||||
tmp.position = 0;
|
||||
|
||||
while ( tmp.bytesAvailable != 0 ) {
|
||||
opad.writeByte(tmp.readUnsignedByte());
|
||||
}
|
||||
return algorithm.hashBytes( opad );
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
Reference in New Issue
Block a user