1 /*
2 * Whirlpool
3 * (C) 1999-2007 Jack Lloyd
4 *
5 * Botan is released under the Simplified BSD License (see license.txt)
6 */
7 
8 #ifndef BOTAN_WHIRLPOOL_H_
9 #define BOTAN_WHIRLPOOL_H_
10 
11 #include <botan/mdx_hash.h>
12 
13 BOTAN_FUTURE_INTERNAL_HEADER(whrlpool.h)
14 
15 namespace Botan {
16 
17 /**
18 * Whirlpool
19 */
20 class BOTAN_PUBLIC_API(2,0) Whirlpool final : public MDx_HashFunction
21    {
22    public:
name()23       std::string name() const override { return "Whirlpool"; }
output_length()24       size_t output_length() const override { return 64; }
clone()25       HashFunction* clone() const override { return new Whirlpool; }
26       std::unique_ptr<HashFunction> copy_state() const override;
27 
28       void clear() override;
29 
Whirlpool()30       Whirlpool() : MDx_HashFunction(64, true, true, 32), m_M(8), m_digest(8)
31          { clear(); }
32    private:
33       void compress_n(const uint8_t[], size_t blocks) override;
34       void copy_out(uint8_t[]) override;
35 
36       static const uint64_t C0[256];
37       static const uint64_t C1[256];
38       static const uint64_t C2[256];
39       static const uint64_t C3[256];
40       static const uint64_t C4[256];
41       static const uint64_t C5[256];
42       static const uint64_t C6[256];
43       static const uint64_t C7[256];
44 
45       secure_vector<uint64_t> m_M, m_digest;
46    };
47 
48 }
49 
50 #endif
51