//----------------------------------------------------------------------------
//
//  Copyright (C) 2007 Intel Corporation
//
//  File:       CertHash.h
//
//  Contents:   Certificate hash utility
//
//----------------------------------------------------------------------------

#ifndef _CERT_HASH
#define _CERT_HASH

#include <string>
#include <vector>

#define MAX_PATH_LEN	300

#define MAX_HASH_LENGTH		48

#define CERT_HASH_SHA1_LENGTH			20
#define CERT_HASH_SHA256_LENGTH			32
#define CERT_HASH_SHA384_LENGTH			48


enum CertHashAlgorithm
{
	USB_CERT_HASH_ALGORITHM_MD5 = 0,  // 16 bytes
	USB_CERT_HASH_ALGORITHM_SHA1,     // 20 bytes
	USB_CERT_HASH_ALGORITHM_SHA256,   // 32 bytes
	USB_CERT_HASH_ALGORITHM_SHA384,   // 48 bytes
	INVALID_USB_CERT_HASH_ALGORITHM   // invalid value
};


using namespace std;

class CertHash
{
public:
	bool _valid;
	bool _dllFailed;
	unsigned char* _hash;
	string _friendlyName;
	CertHashAlgorithm _hashAlgorithm;
	unsigned int _hashLength;

	CertHash() : _valid(false), _dllFailed(false), _hash(NULL), _friendlyName(), _hashAlgorithm(USB_CERT_HASH_ALGORITHM_SHA1), _hashLength(0) {}
	// copy constructor
	CertHash(const CertHash& h);
	CertHash& operator=(const CertHash& h);
	// create a hash from a given root certificate file
	CertHash(const string& fileName, const string& friendlyName, const CertHashAlgorithm& hashAlgorithm);
	CertHash(const string& hashstring, const string& friendlyName);
	~CertHash();
};
#endif