Botan 2.19.2
Crypto and TLS for C&
siphash.h
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1/*
2* SipHash
3* (C) 2014,2015 Jack Lloyd
4*
5* Botan is released under the Simplified BSD License (see license.txt)
6*/
7
8#ifndef BOTAN_SIPHASH_H_
9#define BOTAN_SIPHASH_H_
10
11#include <botan/mac.h>
12
14
15namespace Botan {
16
18 {
19 public:
20 SipHash(size_t c = 2, size_t d = 4) : m_C(c), m_D(d) {}
21
22 void clear() override;
23 std::string name() const override;
24
25 MessageAuthenticationCode* clone() const override;
26
27 size_t output_length() const override { return 8; }
28
30 {
31 return Key_Length_Specification(16);
32 }
33 private:
34 void add_data(const uint8_t[], size_t) override;
35 void final_result(uint8_t[]) override;
36 void key_schedule(const uint8_t[], size_t) override;
37
38 const size_t m_C, m_D;
40 uint64_t m_mbuf = 0;
41 size_t m_mbuf_pos = 0;
42 uint8_t m_words = 0;
43 };
44
45}
46
47#endif
virtual MessageAuthenticationCode * clone() const =0
Key_Length_Specification key_spec() const override
Definition: siphash.h:29
SipHash(size_t c=2, size_t d=4)
Definition: siphash.h:20
size_t output_length() const override
Definition: siphash.h:27
virtual std::string name() const =0
virtual void clear()=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
Definition: alg_id.cpp:13
std::vector< T, secure_allocator< T > > secure_vector
Definition: secmem.h:65