pgpcfbpriv.h

PGP8.0源码 请认真阅读您的文件包然后写出其具体功能

/*____________________________________________________________________________
        Copyright (C) 2002 PGP Corporation
        All rights reserved.

        $Id: pgpCFBPriv.h,v 1.6 2002/08/06 20:10:57 dallen Exp $
____________________________________________________________________________*/

#ifndef Included_pgpCFBPriv_h	/* [ */
#define Included_pgpCFBPriv_h

#include "pgpOpaqueStructs.h"
#include "pgpSymmetricCipher.h"
#include "pgpCFB.h"
#include "pgpMemoryMgr.h"


PGP_BEGIN_C_DECLARATIONS


#define PGP_CFB_MAXBLOCKSIZE 20



/* Clear a PGPCFBContext of its sensitive data */
void 		pgpCFBWipe( PGPCFBContextRef ref );

PGPError 	pgpCFBDecryptInternal(PGPCFBContextRef ref, const void *in,
					PGPSize bytesIn, void *out);
PGPError 	pgpCFBEncryptInternal(PGPCFBContextRef ref, const void *in,
					PGPSize bytesIn, void *out);

/*____________________________________________________________________________
	internal glue routine follow; use is discouraged
____________________________________________________________________________*/

PGPSize		pgpCFBGetKeySize( PGPCFBContextRef ref );
PGPSize		pgpCFBGetBlockSize( PGPCFBContextRef ref );

/* Allocate a new PGPCFBContext structure */
PGPCFBContextRef		pgpCFBCreate( PGPMemoryMgrRef memoryMgr,
									PGPCipherVTBL const *c );



PGP_END_C_DECLARATIONS

#endif /* ] Included_pgpCFBPriv_h */


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