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

diff --git a/Security/libsecurity_transform/lib/EncryptTransform.h b/Security/libsecurity_transform/lib/EncryptTransform.h
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--- a/Security/libsecurity_transform/lib/EncryptTransform.h
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-/*
- * Copyright (c) 2010-2011 Apple Inc. All Rights Reserved.
- * 
- * @APPLE_LICENSE_HEADER_START@
- * 
- * This file contains Original Code and/or Modifications of Original Code
- * as defined in and that are subject to the Apple Public Source License
- * Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
- * 
- * The 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.
- * 
- * @APPLE_LICENSE_HEADER_END@
- */
-
-/*!
- @header EncryptTransform
- Provide the implementation class for the Encryption and Decryption 
- transforms
- 
- */
-
-#if !defined(__ENCRYPT_TRANSFORM__)
-#define __ENCRYPT_TRANSFORM__ 1
-
-#include <CommonCrypto/CommonCryptor.h>
-#include <CoreFoundation/CoreFoundation.h>
-#include <Security/cssmapi.h>
-#include <Security/cssmapple.h>
-#include <Security/cssmtype.h>
-#include <Security/SecKey.h>
-#include "Transform.h"
-#include "TransformFactory.h"
-
-
-class EncryptDecryptBase : public Transform
-{
-protected:
-	CSSM_PADDING			m_cssm_padding;
-	CSSM_ENCRYPT_MODE		m_mode;
-	CSSM_KEY_PTR			m_cssm_key;			// The cssm key from the reference key
-	CSSM_CC_HANDLE			m_handle;			// The context for this key either encrypt or decrypt
-	Boolean					m_forEncryption;
-	Boolean					m_oaep_padding;
-	CFMutableDataRef		m_processedData;
-	// for "single chunk" modes or paddings (i.e. OAEP) m_accumulator accumulates all the raw cleartext until EOS.
-	CFMutableDataRef		m_accumulator;
-    SecTransformAttributeRef inputAH;
-	
-	// Used to serialize CDSA setup operations for encrypt/decrypt on a given key 
-	static dispatch_once_t	serializerSetUp;
-	static dispatch_queue_t		serializerTransformStartingExecution;
-	
-	virtual void			Finalize();
-	virtual Boolean 		TransformCanExecute();
-	virtual CFErrorRef 		TransformStartingExecution();
-	CFErrorRef				SerializedTransformStartingExecution();
-	virtual void 			AttributeChanged(SecTransformAttributeRef ah, CFTypeRef value);
-	
-	CFDataRef				apply_oaep_padding(CFDataRef value);
-	CFDataRef				remove_oaep_padding(CFDataRef value);
-	
-	EncryptDecryptBase(CFStringRef type);
-	
-	virtual 				~EncryptDecryptBase();
-	
-	void					SendCSSMError(CSSM_RETURN error);
-
-public:
-	// overload to return a CFDictionary that contains the state of your transform.  Values returned should be
-	// serializable.  Remember that this state will be restored before SecTransformExecute is called.  Do not
-	// include the transform name in your state (this will be done for you by SecTransformCopyExternalRepresentation).
-	virtual CFDictionaryRef CopyState();
-	
-	// overload to restore the state of your transform
-	virtual void 			RestoreState(CFDictionaryRef state);
-	
-	// your own routines
-	virtual bool 			InitializeObject(SecKeyRef key, CFErrorRef *error);
-	
-	
-};
-
-
-class EncryptTransform : public EncryptDecryptBase
-{
-protected:
-	
-public:
-	
-	static TransformFactory* MakeTransformFactory();
-	
-public:
-	
-protected:
-	EncryptTransform() ;
-	
-public:
-	virtual 				~EncryptTransform();
-	static SecTransformRef 	Make();
-};
-
-
-
-class DecryptTransform : public EncryptDecryptBase
-{
-protected:
-	
-public:
-	
-	static TransformFactory* MakeTransformFactory();
-	
-public:
-	
-protected:
-	DecryptTransform();
-	
-public:
-	virtual 				~DecryptTransform();
-	static SecTransformRef 	Make();
-};
-
-
-#endif /* !__ENCRYPT_TRANSFORM__ */