[apple/security.git] / AppleCSP / MiscCSPAlgs / DigestContext.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.
 */


//
// DigestContext.h 
//

#ifndef	_DIGEST_CONTEXT_H_
#define _DIGEST_CONTEXT_H_

#include <Security/digestobject.h>
#include "AppleCSPContext.h"
#include <Security/utilities.h>

/*
 * This is just a shim to give AppleCSPContext functionality to a 
 * DigestObject subclass (a reference to which is passed to our constructor).
 */
class DigestContext : public AppleCSPContext  {
public:
	DigestContext(
		AppleCSPSession &session,
		DigestObject &digest) : 
			AppleCSPContext(session), mDigest(digest) { }
	~DigestContext() { delete &mDigest; }
	
	void init(const Context &context, bool);
	void update(const CssmData &data);
	void final(CssmData &data);
	CSPFullPluginSession::CSPContext *clone(CssmAllocator &);	// clone internal state
	size_t outputSize(bool, size_t);

private:
	DigestObject	&mDigest;
};

#endif	/* _CRYPTKIT_DIGEST_CONTEXT_H_ */
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	// DigestContext.h
	21	//
	22
	23	#ifndef _DIGEST_CONTEXT_H_
	24	#define _DIGEST_CONTEXT_H_
	25
29654253	26	#include <Security/digestobject.h>
bac41a7b A	27	#include "AppleCSPContext.h"
	28	#include <Security/utilities.h>
	29
	30	/*
	31	* This is just a shim to give AppleCSPContext functionality to a
	32	* DigestObject subclass (a reference to which is passed to our constructor).
	33	*/
	34	class DigestContext : public AppleCSPContext {
	35	public:
	36	DigestContext(
	37	AppleCSPSession &session,
	38	DigestObject &digest) :
	39	AppleCSPContext(session), mDigest(digest) { }
	40	~DigestContext() { delete &mDigest; }
	41
	42	void init(const Context &context, bool);
	43	void update(const CssmData &data);
	44	void final(CssmData &data);
29654253	45	CSPFullPluginSession::CSPContext *clone(CssmAllocator &); // clone internal state
bac41a7b A	46	size_t outputSize(bool, size_t);
	47
	48	private:
	49	DigestObject &mDigest;
	50	};
	51
	52	#endif /* _CRYPTKIT_DIGEST_CONTEXT_H_ */