SslFingerprints.h

/****
 * Sming Framework Project - Open Source framework for high efficiency native ESP8266 development.
 * Created 2015 by Skurydin Alexey
 * http://github.com/anakod/Sming
 * All files of the Sming Core are provided under the LGPL v3 license.
 *
 * SslFingerprints.h
 *
 ****/

#ifndef _SMING_CORE_NETWORK_SSL_SSL_FINGERPRINTS_H_
#define _SMING_CORE_NETWORK_SSL_SSL_FINGERPRINTS_H_

#include "ssl/ssl.h"

enum SslFingerprintType {
    eSFT_CertSha1 = 0,

    eSFT_PkSha256,
};

struct SslFingerprints {
    const uint8_t* certSha1 = nullptr; 
    const uint8_t* pkSha256 = nullptr; 

    ~SslFingerprints()
    {
        free();
    }

    void free();

    bool setSha1(const uint8_t* cert, unsigned length)
    {
        return setValue(certSha1, SHA1_SIZE, cert, length);
    }

    bool setSha1_P(const uint8_t* cert, unsigned length)
    {
        return setValue(certSha1, SHA1_SIZE, cert, length);
    }

    bool setSha256(const uint8_t* cert, unsigned length)
    {
        return setValue(pkSha256, SHA256_SIZE, cert, length);
    }

    bool setSha256_P(const uint8_t* cert, unsigned length)
    {
        return setValue(pkSha256, SHA256_SIZE, cert, length);
    }

    SslFingerprints& operator=(SslFingerprints& source);

    SslFingerprints& operator=(const SslFingerprints& source);

private:
    bool setValue(const uint8_t*& value, unsigned requiredLength, const uint8_t* newValue, unsigned newLength);
};

#endif // _SMING_CORE_NETWORK_SSL_SSL_FINGERPRINTS_H_