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
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
|
/*
* (C) 2018,2019 Jack Lloyd
*
* Botan is released under the Simplified BSD License (see license.txt)
*/
#ifndef BOTAN_PBKDF_BCRYPT_H_
#define BOTAN_PBKDF_BCRYPT_H_
#include <botan/pwdhash.h>
//BOTAN_FUTURE_INTERNAL_HEADER(bcrypt_pbkdf.h)
namespace Botan {
/**
* Bcrypt-PBKDF key derivation function
*/
class BOTAN_PUBLIC_API(2,11) Bcrypt_PBKDF final : public PasswordHash
{
public:
Bcrypt_PBKDF(size_t iterations) : m_iterations(iterations) {}
Bcrypt_PBKDF(const Bcrypt_PBKDF& other) = default;
Bcrypt_PBKDF& operator=(const Bcrypt_PBKDF&) = default;
/**
* Derive a new key under the current Bcrypt-PBKDF parameter set
*/
void derive_key(uint8_t out[], size_t out_len,
const char* password, size_t password_len,
const uint8_t salt[], size_t salt_len) const override;
std::string to_string() const override;
size_t iterations() const override { return m_iterations; }
size_t parallelism() const override { return 0; }
size_t memory_param() const override { return 0; }
size_t total_memory_usage() const override { return 4096; }
private:
size_t m_iterations;
};
class BOTAN_PUBLIC_API(2,11) Bcrypt_PBKDF_Family final : public PasswordHashFamily
{
public:
Bcrypt_PBKDF_Family() {}
std::string name() const override;
std::unique_ptr<PasswordHash> tune(size_t output_length,
std::chrono::milliseconds msec,
size_t max_memory) const override;
std::unique_ptr<PasswordHash> default_params() const override;
std::unique_ptr<PasswordHash> from_iterations(size_t iter) const override;
std::unique_ptr<PasswordHash> from_params(
size_t i, size_t, size_t) const override;
};
/**
* Bcrypt PBKDF compatible with OpenBSD bcrypt_pbkdf
*/
void BOTAN_UNSTABLE_API bcrypt_pbkdf(uint8_t output[], size_t output_len,
const char* pass, size_t pass_len,
const uint8_t salt[], size_t salt_len,
size_t rounds);
}
#endif
|
