X-Git-Url: https://git.saurik.com/apple/security.git/blobdiff_plain/5dd5f9ec28f304ca377c42fd7f711d6cf12b90e1..5c19dc3ae3bd8e40a9c028b0deddd50ff337692c:/Security/libsecurity_apple_csp/lib/gladmanContext.h

diff --git a/Security/libsecurity_apple_csp/lib/gladmanContext.h b/Security/libsecurity_apple_csp/lib/gladmanContext.h
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--- a/Security/libsecurity_apple_csp/lib/gladmanContext.h
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-/*
- * Copyright (c) 2000-2001,2011,2013-2014 Apple 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