[apple/security.git] / libsecurity_apple_csp / lib / 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_cdsa_utilities/digestobject.h>
#include "AppleCSPContext.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(Allocator &);	// clone internal state
	size_t outputSize(bool, size_t);

private:
	DigestObject	&mDigest;
};

#endif	/* _CRYPTKIT_DIGEST_CONTEXT_H_ */
Commit	Line	Data
b1ab9ed8 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
	26	#include <security_cdsa_utilities/digestobject.h>
	27	#include "AppleCSPContext.h"
	28
	29	/*
	30	* This is just a shim to give AppleCSPContext functionality to a
	31	* DigestObject subclass (a reference to which is passed to our constructor).
	32	*/
	33	class DigestContext : public AppleCSPContext {
	34	public:
	35	DigestContext(
	36	AppleCSPSession &session,
	37	DigestObject &digest) :
	38	AppleCSPContext(session), mDigest(digest) { }
	39	~DigestContext() { delete &mDigest; }
	40
	41	void init(const Context &context, bool);
	42	void update(const CssmData &data);
	43	void final(CssmData &data);
	44	CSPFullPluginSession::CSPContext *clone(Allocator &); // clone internal state
	45	size_t outputSize(bool, size_t);
	46
	47	private:
	48	DigestObject &mDigest;
	49	};
	50
	51	#endif /* _CRYPTKIT_DIGEST_CONTEXT_H_ */