Class SivContext

libcppcryptfs/crypt/siv.h:41–59

class CryptConfig;

class SivContext {

public:

	bool SetKey(const unsigned char *key, int keylen, bool hkdf, CryptConfig *pConfig); // keylen must be 32
																  // disallow copying
	SivContext(SivContext const&) = delete;
	void operator=(SivContext const&) = delete;
	SivContext();
	virtual ~SivContext();

	const AES_KEY *GetEncryptKeyLow() const { return m_pKeys ? &m_pKeys->m_buf[SIV_KEY_ENCRYPT_LOW_INDEX] : NULL; };
	const AES_KEY *GetDecryptKeyLow() const { return m_pKeys ? &m_pKeys->m_buf[SIV_KEY_DECRYPT_LOW_INDEX] : NULL; };
	const AES_KEY *GetEncryptKeyHigh() const { return m_pKeys ? &m_pKeys->m_buf[SIV_KEY_ENCRYPT_HIGH_INDEX] : NULL; };
	const AES_KEY *GetDecryptKeyHigh() const { return m_pKeys ? &m_pKeys->m_buf[SIV_KEY_DECRYPT_HIGH_INDEX] : NULL; };
	
private:
	LockZeroBuffer<AES_KEY> *m_pKeys;
};