blob: af69568835ee7f25d54f300baafc2a81b748cb9a (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
|
// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab
#ifndef CEPH_LIBRBD_CRYPTO_OPENSSL_DATA_CRYPTOR_H
#define CEPH_LIBRBD_CRYPTO_OPENSSL_DATA_CRYPTOR_H
#include "librbd/crypto/DataCryptor.h"
#include "include/Context.h"
#include <openssl/evp.h>
namespace librbd {
namespace crypto {
namespace openssl {
class DataCryptor : public crypto::DataCryptor<EVP_CIPHER_CTX> {
public:
DataCryptor(CephContext* cct) : m_cct(cct) {};
~DataCryptor();
int init(const char* cipher_name, const unsigned char* key,
uint16_t key_length);
uint32_t get_block_size() const override;
uint32_t get_iv_size() const override;
const unsigned char* get_key() const override;
int get_key_length() const override;
EVP_CIPHER_CTX* get_context(CipherMode mode) override;
void return_context(EVP_CIPHER_CTX* ctx, CipherMode mode) override;
int init_context(EVP_CIPHER_CTX* ctx, const unsigned char* iv,
uint32_t iv_length) const override;
int update_context(EVP_CIPHER_CTX* ctx, const unsigned char* in,
unsigned char* out, uint32_t len) const override;
private:
CephContext* m_cct;
unsigned char* m_key = nullptr;
uint16_t m_key_size = 0;
const EVP_CIPHER* m_cipher;
uint32_t m_iv_size;
void log_errors() const;
};
} // namespace openssl
} // namespace crypto
} // namespace librbd
#endif // CEPH_LIBRBD_CRYPTO_OPENSSL_DATA_CRYPTOR_H
|
