linux-sgx-trts-modified/psw/ae/pse/pse_pr/include/sign_template.h

/*
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#ifndef _SIGN_TEMPLATE_H_
#define _SIGN_TEMPLATE_H_

#include "pse_pr_inc.h"
#include "pse_pr_types.h"
#include "signing_template_info.h"

class SignTemplate
{
public:
    SignTemplate(tSigningTemplateInfo& info);
    virtual ~SignTemplate(void);

    virtual size_t GetSize();

    virtual ae_error_t GetOriginalTemplate(Ipp8u* pTemplate, size_t* nTemplate);

    virtual ae_error_t GetPublicEcDsaKey(
        /*in */ const EcDsaPrivKey* pPrivateKey,
        /*out*/ EcDsaPubKey* pPublicKey);

    // Note: The keys returned are Big-endian
    virtual ae_error_t GenEcDsaKeyPair(
        /*out*/ EcDsaPrivKey* pPrivateKey,
        /*out*/ EcDsaPubKey* pPublicKey);

    // Note: The keys input are Big-endian
    virtual ae_error_t GetSignedTemplate(
        /*in */ EcDsaPrivKey* pPrivateKey,
        /*in */ EcDsaPubKey* pPublicKey,
        /*out*/ Ipp8u* pSignedTemplate, 
        /*i/o*/ size_t* pnBytes); 

private:

    bool VerifySignature(
        /*in */ Ipp8u* pSignedTemplate, 
        /*in */ size_t nBytes);

    IppsECCPState* newStd_256_ECP(void);
    IppsECCPPointState* newECP_256_Point(void);
    IppsPRNGState* newPRNG(void);
    IppsBigNumState* newBN(int len, const Ipp32u* pData);

    tSigningTemplateInfo& m_info;
};

#endif //#ifndef _SIGN_TEMPLATE_H_