X-Git-Url: https://git.saurik.com/apple/security.git/blobdiff_plain/80e2389990082500d76eb566d4946be3e786c3ef..d8f41ccd20de16f8ebe2ccc84d47bf1cb2b26bbb:/libsecurity_apple_csp/lib/FEEAsymmetricContext.h

diff --git a/libsecurity_apple_csp/lib/FEEAsymmetricContext.h b/libsecurity_apple_csp/lib/FEEAsymmetricContext.h
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--- a/libsecurity_apple_csp/lib/FEEAsymmetricContext.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.
- */
-
-
-/*
- * 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_cdsa_plugin/CSPsession.h>
-#include "AppleCSP.h"
-#include "AppleCSPContext.h"
-#include "AppleCSPSession.h"
-#include "BlockCryptor.h"
-#include <security_cryptkit/feeFEED.h>
-#include <security_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)
-		size_t			cipherTextLen,
-		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)
-		size_t			cipherTextLen,
-		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 */
-
-/*
- * Elliptic curve Diffie-Hellman key exchange. The public key is 
- * specified in one of two ways - a raw X9.62 format public key 
- * string in Param, or a CSSM_KEY in the Context. 
- * Requested size, in keyData->Length, must be the same size as
- * the keys' modulus. Data is returned in keyData->Data, which is 
- * allocated by the caller.
- * Optionally performs X9.63 key derivation if algId == 
- * CSSM_ALGID_ECDH_X963_KDF, with the optional SharedInfo passed
- * as optional context attribute CSSM_ATTRIBUTE_SALT.
- */
-extern void DeriveKey_ECDH (
-	const Context &context,
-	CSSM_ALGORITHMS algId,		
-	const CssmData &Param,
-	CSSM_DATA *keyData,
-	AppleCSPSession &session);
-
-} /* namespace CryptKit */
-
-#endif 	/* _FEE_ASYMMETRIC_CONTEXT_H_ */
-#endif	/* CRYPTKIT_CSP_ENABLE */