[apple/security.git] / AppleCSP / CryptKitCSP / FEEAsymmetricContext.h

/*
 * 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.
 */


/*
 * FEEAsymmetricContext.h - CSPContexts for FEE asymmetric encryption
 *
 * Created March 8 2001 by dmitch.
 */

#ifdef	CRYPTKIT_CSP_ENABLE

#ifndef _FEE_ASYMMETRIC_CONTEXT_H_
#define _FEE_ASYMMETRIC_CONTEXT_H_

#include <Security/CSPsession.h>
#include "AppleCSP.h"
#include "AppleCSPContext.h"
#include "AppleCSPSession.h"
#include "BlockCryptor.h"
#include <CryptKit/feeFEED.h>
#include <CryptKit/feeFEEDExp.h>

namespace CryptKit {

class FEEDContext : public BlockCryptor {
public:
	FEEDContext(AppleCSPSession &session) :
		BlockCryptor(session),
		mFeeFeed(NULL),
		mPrivKey(NULL),
		mPubKey(NULL),
		mInitFlag(false) 	{ }
	~FEEDContext();
	
	/* called by CSPFullPluginSession */
	void init(const Context &context, bool encoding = 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)
		void			*plainText,	
		size_t			&plainTextLen,		// in/out, throws on overflow
		bool			final);
	
	/*
 	 * Additional query size support, necessary because we don't conform to 
	 * BlockCryptor's standard one-to-one block scheme
	 */
 	size_t inputSize(
		size_t 			outSize);			// input for given output size
	size_t outputSize(
		bool 			final = false, 
		size_t 			inSize = 0); 		// output for given input size
	void minimumProgress(
		size_t 			&in, 
		size_t 			&out); 				// minimum progress chunks


private:
		feeFEED			mFeeFeed;
		feePubKey		mPrivKey;
		bool			mAllocdPrivKey;
		feePubKey		mPubKey;
		bool			mAllocdPubKey;
		bool			mInitFlag;			// allows easy reuse
};	/* FEEDContext */


class FEEDExpContext : public BlockCryptor {
public:
	FEEDExpContext(AppleCSPSession &session) :
		BlockCryptor(session),
		mFeeFeedExp(NULL),
		mFeeKey(NULL),
		mInitFlag(false) 	{ }

	~FEEDExpContext();
	
	/* called by CSPFullPluginSession */
	void init(const Context &context, bool encoding = 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)
		void			*plainText,	
		size_t			&plainTextLen,		// in/out, throws on overflow
		bool			final);
	
private:
		feeFEEDExp		mFeeFeedExp;
		feePubKey		mFeeKey;
		bool			mAllocdFeeKey;
		bool			mInitFlag;			// allows easy reuse
};	/* FEEDExpContext */

} /* namespace CryptKit */

#endif 	/* _FEE_ASYMMETRIC_CONTEXT_H_ */
#endif	/* CRYPTKIT_CSP_ENABLE */
Commit	Line	Data
bac41a7b A	1	/*
	2	* Copyright (c) 2000-2001 Apple Computer, Inc. All Rights Reserved.
	3	*
	4	* The contents of this file constitute Original Code as defined in and are
	5	* subject to the Apple Public Source License Version 1.2 (the 'License').
	6	* You may not use this file except in compliance with the License. Please obtain
	7	* a copy of the License at http://www.apple.com/publicsource and read it before
	8	* using this file.
	9	*
	10	* This Original Code and all software distributed under the License are
	11	* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS
	12	* OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, INCLUDING WITHOUT
	13	* LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
	14	* PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. Please see the License for the
	15	* specific language governing rights and limitations under the License.
	16	*/
	17
	18
	19	/*
	20	* FEEAsymmetricContext.h - CSPContexts for FEE asymmetric encryption
	21	*
	22	* Created March 8 2001 by dmitch.
	23	*/
	24
	25	#ifdef CRYPTKIT_CSP_ENABLE
	26
	27	#ifndef _FEE_ASYMMETRIC_CONTEXT_H_
	28	#define _FEE_ASYMMETRIC_CONTEXT_H_
	29
	30	#include <Security/CSPsession.h>
	31	#include "AppleCSP.h"
	32	#include "AppleCSPContext.h"
	33	#include "AppleCSPSession.h"
	34	#include "BlockCryptor.h"
	35	#include <CryptKit/feeFEED.h>
	36	#include <CryptKit/feeFEEDExp.h>
	37
	38	namespace CryptKit {
	39
	40	class FEEDContext : public BlockCryptor {
	41	public:
	42	FEEDContext(AppleCSPSession &session) :
	43	BlockCryptor(session),
	44	mFeeFeed(NULL),
	45	mPrivKey(NULL),
	46	mPubKey(NULL),
	47	mInitFlag(false) { }
	48	~FEEDContext();
	49
	50	/* called by CSPFullPluginSession */
	51	void init(const Context &context, bool encoding = true);
	52
	53	/* called by BlockCryptor */
	54	void encryptBlock(
	55	const void *plainText, // length implied (one block)
	56	size_t plainTextLen,
	57	void *cipherText,
	58	size_t &cipherTextLen, // in/out, throws on overflow
	59	bool final);
	60	void decryptBlock(
	61	const void *cipherText, // length implied (one cipher block)
	62	void *plainText,
	63	size_t &plainTextLen, // in/out, throws on overflow
	64	bool final);
65
66	/*
67	* Additional query size support, necessary because we don't conform to
68	* BlockCryptor's standard one-to-one block scheme
69	*/
70	size_t inputSize(
71	size_t outSize); // input for given output size
72	size_t outputSize(
73	bool final = false,
74	size_t inSize = 0); // output for given input size
75	void minimumProgress(
76	size_t &in,
77	size_t &out); // minimum progress chunks
78
79
80	private:
81	feeFEED mFeeFeed;
82	feePubKey mPrivKey;
83	bool mAllocdPrivKey;
84	feePubKey mPubKey;
85	bool mAllocdPubKey;
86	bool mInitFlag; // allows easy reuse
87	}; /* FEEDContext */
88
89
90	class FEEDExpContext : public BlockCryptor {
91	public:
92	FEEDExpContext(AppleCSPSession &session) :
93	BlockCryptor(session),
94	mFeeFeedExp(NULL),
95	mFeeKey(NULL),
96	mInitFlag(false) { }
97
98	~FEEDExpContext();
99
100	/* called by CSPFullPluginSession */
101	void init(const Context &context, bool encoding = true);
102
103	/* called by BlockCryptor */
104	void encryptBlock(
105	const void *plainText, // length implied (one block)
106	size_t plainTextLen,
107	void *cipherText,
108	size_t &cipherTextLen, // in/out, throws on overflow
109	bool final);
110	void decryptBlock(
111	const void *cipherText, // length implied (one cipher block)
112	void *plainText,
113	size_t &plainTextLen, // in/out, throws on overflow
114	bool final);
115
116	private:
117	feeFEEDExp mFeeFeedExp;
118	feePubKey mFeeKey;
119	bool mAllocdFeeKey;
120	bool mInitFlag; // allows easy reuse
121	}; /* FEEDExpContext */
122
123	} /* namespace CryptKit */
124
125	#endif /* _FEE_ASYMMETRIC_CONTEXT_H_ */
126	#endif /* CRYPTKIT_CSP_ENABLE */