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
|
/*
* TLS v1.0 and v1.2 PRFs
* (C) 2004-2010 Jack Lloyd
*
* Botan is released under the Simplified BSD License (see license.txt)
*/
#ifndef BOTAN_TLS_PRF_H__
#define BOTAN_TLS_PRF_H__
#include <botan/kdf.h>
#include <botan/mac.h>
namespace Botan {
/**
* PRF used in TLS 1.0/1.1
*/
class BOTAN_DLL TLS_PRF final : public KDF
{
public:
std::string name() const override { return "TLS-PRF"; }
KDF* clone() const override { return new TLS_PRF; }
size_t kdf(byte key[], size_t key_len,
const byte secret[], size_t secret_len,
const byte salt[], size_t salt_len,
const byte label[], size_t label_len) const override;
TLS_PRF();
private:
std::unique_ptr<MessageAuthenticationCode> m_hmac_md5;
std::unique_ptr<MessageAuthenticationCode> m_hmac_sha1;
};
/**
* PRF used in TLS 1.2
*/
class BOTAN_DLL TLS_12_PRF final : public KDF
{
public:
std::string name() const override { return "TLS-12-PRF(" + m_mac->name() + ")"; }
KDF* clone() const override { return new TLS_12_PRF(m_mac->clone()); }
size_t kdf(byte key[], size_t key_len,
const byte secret[], size_t secret_len,
const byte salt[], size_t salt_len,
const byte label[], size_t label_len) const override;
/**
* @param mac MAC algorithm to use
*/
explicit TLS_12_PRF(MessageAuthenticationCode* mac) : m_mac(mac) {}
private:
std::unique_ptr<MessageAuthenticationCode> m_mac;
};
}
#endif
|
