Botan 2.19.3
Crypto and TLS for C&
kdf2.h
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1/*
2* KDF2
3* (C) 1999-2007 Jack Lloyd
4*
5* Botan is released under the Simplified BSD License (see license.txt)
6*/
7
8#ifndef BOTAN_KDF2_H_
9#define BOTAN_KDF2_H_
10
11#include <botan/kdf.h>
12#include <botan/hash.h>
13
15
16namespace Botan {
17
18/**
19* KDF2, from IEEE 1363
20*/
21class BOTAN_PUBLIC_API(2,0) KDF2 final : public KDF
22 {
23 public:
24 std::string name() const override { return "KDF2(" + m_hash->name() + ")"; }
25
26 KDF* clone() const override { return new KDF2(m_hash->clone()); }
27
28 size_t kdf(uint8_t key[], size_t key_len,
29 const uint8_t secret[], size_t secret_len,
30 const uint8_t salt[], size_t salt_len,
31 const uint8_t label[], size_t label_len) const override;
32
33 /**
34 * @param h hash function to use
35 */
36 explicit KDF2(HashFunction* h) : m_hash(h) {}
37 private:
38 std::unique_ptr<HashFunction> m_hash;
39 };
40
41}
42
43#endif
KDF * clone() const override
Definition kdf2.h:26
KDF2(HashFunction *h)
Definition kdf2.h:36
std::string name() const override
Definition kdf2.h:24
virtual size_t kdf(uint8_t key[], size_t key_len, const uint8_t secret[], size_t secret_len, const uint8_t salt[], size_t salt_len, const uint8_t label[], size_t label_len) const =0
int(* final)(unsigned char *, CTX *)
#define BOTAN_PUBLIC_API(maj, min)
Definition compiler.h:31
#define BOTAN_FUTURE_INTERNAL_HEADER(hdr)
Definition compiler.h:136
size_t salt_len
Definition x509_obj.cpp:25