/*
 *  Copyright (c) 2004 Apple Computer, 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@
 */

/*
 *  MuscleCardKeyHandle.h
 *  TokendMuscle
 */

#ifndef _MUSCLECARDKEYHANDLE_H_
#define _MUSCLECARDKEYHANDLE_H_

#include "KeyHandle.h"

class MscKey;

//
// A KeyHandle object which implements the crypto interface to muscle.
//
class MuscleCardKeyHandle: public Tokend::KeyHandle
{
	NOCOPY(MuscleCardKeyHandle)
public:
    MuscleCardKeyHandle(const Tokend::MetaRecord &metaRecord,
		Tokend::Record &record, MscKey &key);
    ~MuscleCardKeyHandle();

    virtual void getKeySize(CSSM_KEY_SIZE &keySize);
    virtual uint32 getOutputSize(const Context &context, uint32 inputSize, bool encrypting);
    virtual void generateSignature(const Context &context, CSSM_ALGORITHMS signOnly, const CssmData &input, CssmData &signature);
    virtual void verifySignature(const Context &context, CSSM_ALGORITHMS signOnly, const CssmData &input, const CssmData &signature);
    virtual void generateMac(const Context &context, const CssmData &input, CssmData &output);
    virtual void verifyMac(const Context &context, const CssmData &input, const CssmData &compare);
    virtual void encrypt(const Context &context, const CssmData &clear, CssmData &cipher);
    virtual void decrypt(const Context &context, const CssmData &cipher, CssmData &clear);

	virtual void exportKey(const Context &context, const AccessCredentials *cred,
		CssmKey &wrappedKey);

    virtual void getOwner(AclOwnerPrototype &owner);
    virtual void getAcl(const char *tag, uint32 &count, AclEntryInfo *&aclList);

private:
	MscKey &mKey;

	// temporary ACL cache hack - to be removed
	AutoAclOwnerPrototype mAclOwner;
	AutoAclEntryInfoList mAclEntries;
	
	void keyAcl(unsigned int acl, const AclAuthorizationSet &auths);
};


//
// A factory that creates MuscleCardKeyHandle objects.
//
class MuscleCardKeyHandleFactory : public Tokend::KeyHandleFactory
{
	NOCOPY(MuscleCardKeyHandleFactory)
public:
	MuscleCardKeyHandleFactory() {}
	virtual ~MuscleCardKeyHandleFactory();

	virtual Tokend::KeyHandle *keyHandle(Tokend::TokenContext *tokenContext,
		const Tokend::MetaRecord &metaRecord, Tokend::Record &record) const;
};


#endif /* !_MUSCLECARDKEYHANDLE_H_ */

/* arch-tag: 4129AC40-05E0-11D9-9563-000A9595DEEE */