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// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab
#ifndef CEPH_LIBRBD_CRYPTO_DATA_CRYPTOR_H
#define CEPH_LIBRBD_CRYPTO_DATA_CRYPTOR_H
#include "include/int_types.h"
#include "librbd/crypto/Types.h"
namespace librbd {
namespace crypto {
template <typename T>
class DataCryptor {
public:
virtual ~DataCryptor() = default;
virtual uint32_t get_block_size() const = 0;
virtual uint32_t get_iv_size() const = 0;
virtual const unsigned char* get_key() const = 0;
virtual int get_key_length() const = 0;
virtual T* get_context(CipherMode mode) = 0;
virtual void return_context(T* ctx, CipherMode mode) = 0;
virtual int init_context(T* ctx, const unsigned char* iv,
uint32_t iv_length) const = 0;
virtual int update_context(T* ctx, const unsigned char* in,
unsigned char* out, uint32_t len) const = 0;
};
} // namespace crypto
} // namespace librbd
#endif // CEPH_LIBRBD_CRYPTO_DATA_CRYPTOR_H
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