//  TMemPGPkey.cp - In Memory PGP Key Object  

// 

// Apple Macintosh Developer Technical Support

// Written by:  Vinnie Moscaritolo

//

//  Copyright (work in progress)  Apple Computer, Inc All rights reserved.

//

// You may incorporate this sample code into your applications without

// restriction, though the sample code has been provided "AS IS" and the

// responsibility for its operation is 100% yours.  However, what you are

// not permitted to do is to redistribute the source as "DSC Sample Code"

// after having made changes. If you're going to re-distribute the source,

// we require that you make it clear in the source that the code was

// descended from Apple Sample Code, but that you've made changes.

// 

#include "TMemPGPkey.h"

#include "TPGPException.h"

// ---------------------------------------------------------------------------

TMemPGPkey::~TMemPGPkey()

// ---------------------------------------------------------------------------

// 

{

    if(PGPKeySetRefIsValid (fKeySet)) PGPFreeKeySet(fKeySet);

}

// ---------------------------------------------------------------------------

void    TMemPGPkey::Initialize(void* buf, PGPSize bufSize )

// ---------------------------------------------------------------------------

// 

{

    PGPKeySetRef    newKeySet       = NULL;

    PGPUInt32       numKeys;

    PGPKeyListRef   theKeyListRef   = kInvalidPGPKeyListRef;

    PGPKeyIterRef   theIterator     = kInvalidPGPKeyIterRef;

    PGPKeyRef       aKey            = kInvalidPGPKeyRef;

    PGPError        err;

//DebugStr("\pTMemPGPkey::Initialize");

    if(PGPKeySetRefIsValid (fKeySet)) PGPFreeKeySet(fKeySet);

    ThrowIfPGPErr ( PGPImportKeySet(fgContext, &newKeySet, 

                        PGPOInputBuffer( fgContext, buf, bufSize ),

                        PGPOLastOption( fgContext) ));

    ThrowIfPGPErr( PGPCountKeys(newKeySet, &numKeys));

    if(numKeys > 0) 

    {

        Boolean canSign;

        ThrowIfPGPErr( PGPOrderKeySet(newKeySet,kPGPAnyOrdering, &theKeyListRef));

        ThrowIfPGPErr( PGPNewKeyIter( theKeyListRef, &theIterator ));

        while(IsntPGPError (PGPKeyIterNext( theIterator, &aKey )))

        {

//          ThrowIfPGPErr( PGPGetKeyBoolean (aKey, kPGPKeyPropCanSign,  &canSign));

//          if(canSign)

                {

                    fKeySet = newKeySet;

                    TPGPkey::Initialize(aKey);

                    newKeySet = kInvalidPGPKeySetRef;

                    break;

                }

        }

    }

    PGPFreeKeyIter(theIterator );

    PGPFreeKeyList(theKeyListRef );

    if(PGPKeySetRefIsValid (newKeySet)) PGPFreeKeySet(newKeySet);

 }