Security-57031.1.35.tar.gz

[apple/security.git] / libsecurity_apple_csp / lib / gladmanContext.h

diff --git a/libsecurity_apple_csp/lib/gladmanContext.h b/libsecurity_apple_csp/lib/gladmanContext.h
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--- a/libsecurity_apple_csp/lib/gladmanContext.h
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-/*
- * Copyright (c) 2000-2001 Apple Computer, Inc. All Rights Reserved.
- * 
- * The contents of this file constitute Original Code as defined in and are
- * subject to the Apple Public Source License Version 1.2 (the 'License').
- * You may not use this file except in compliance with the License. Please obtain
- * a copy of the License at http://www.apple.com/publicsource and read it before
- * using this file.
- * 
- * This Original Code and all software distributed under the License are
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS
- * OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, INCLUDING WITHOUT
- * LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
- * PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. Please see the License for the
- * specific language governing rights and limitations under the License.
- */
-
-
-//
-// gladmanContext.h - Gladman AES context class
-//
-#ifndef _H_GLADMAN_CONTEXT
-#define _H_GLADMAN_CONTEXT
-
-#include <security_cdsa_plugin/CSPsession.h>
-#include "AppleCSP.h"
-#include "AppleCSPContext.h"
-#include "AppleCSPSession.h"
-#include "BlockCryptor.h"
-#include <CommonCrypto/CommonCryptor.h>
-#include <CommonCrypto/CommonCryptorSPI.h>
-#include "aesCommon.h"
-
-#define GLADMAN_BLOCK_SIZE_BYTES       DEFAULT_AES_BLOCK_BYTES
-
-/* Symmetric encryption context */
-class GAESContext : public BlockCryptor {
-public:
-       GAESContext(AppleCSPSession &session);
-       virtual ~GAESContext();
-       
-       // called by CSPFullPluginSession
-       void init(const Context &context, bool encoding = true);
-
-       // As an optimization, we allow reuse of a modified context. The main thing
-       // we avoid is a redundant key scheduling. We save the current raw keys bits
-       // in mRawKey and compare on re-init.
-       bool changed(const Context &context)     { return true; }
-
-       // called by BlockCryptor
-       void encryptBlock(
-               const void              *plainText,                     // length implied (one block)
-               size_t                  plainTextLen,
-               void                    *cipherText,    
-               size_t                  &cipherTextLen,         // in/out, throws on overflow
-               bool                    final);
-       void decryptBlock(
-               const void              *cipherText,            // length implied (one cipher block)
-               size_t                  cipherTextLen,  
-               void                    *plainText,     
-               size_t                  &plainTextLen,          // in/out, throws on overflow
-               bool                    final);
-       
-private:
-       void deleteKey();
-       
-       /* scheduled key */
-    CCCryptorRef       mAesKey;        
-       bool                            mInitFlag;                      // for easy reuse
-       
-       /* 
-        * Raw key bits saved here and checked on re-init to avoid extra key 
-        * schedule on re-init. We also have to do a new key schedule if 
-        * changing between encrypting and decrypting since the key schedules
-        * differ for the two.
-        */
-       uint8                           mRawKey[MAX_AES_KEY_BITS / 8];
-       uint32                          mRawKeySize;
-       bool                            mWasEncrypting;
-};     /* AESContext */
-
-#endif //_H_GLADMAN_CONTEXT