PKIFNSSRawCryptContext.h

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#ifndef __PKIFNSSCRYPTCONTEXT_H__
#define __PKIFNSSCRYPTCONTEXT_H__

#include "PKIFdll.h"
#include "IPKIFRawCryptContext.h"
#include "IPKIFCryptContext.h"


#include "PKIFNSSConfig.h"
#include "nspr.h"


FD_SMART_PTR(CPKIFCredential);

class CPKIFNSSRaw;
class CPKIFNSS;
class CPKIFNSSRawCryptContext :
    public IPKIFRawCryptContext
{
    friend class CPKIFNSSRaw;
public:
    virtual ~CPKIFNSSRawCryptContext(void);

private:
    CPKIFNSSRawCryptContext& operator=(const CPKIFNSSRawCryptContext& rhs);
    CPKIFNSSRawCryptContext(void);  //disallow creation except by friend class
    void clear(void);

    // true if the context was created with key material from a cert
    bool m_bFromCert;

    // NSS slot
    PK11SlotInfo * m_slot;
    // NSS context
    PK11Context * m_ctx;
    // NSS algorithm parameters
    SECItem * m_param;
    // NSS symmetric key reference
    PK11SymKey * m_sk;
    // NSS alg/mode/pad identifier
    CK_MECHANISM_TYPE m_mech;


    // true if PKIF will be performing the padding
    bool m_bNeedsPad;
    // these fields are only valid for contexts where
    // PKIF performs the padding (i.e. all ECB contexts)
    // bytes hanging around to be padded upon final
    unsigned char * m_padbuf;
    // number of bytes currently in the padding buffer
    int m_padlen;
    // size of a cipher block for this context
    int m_blocksize;
};

#endif