diff options
Diffstat (limited to 'comm/third_party/botan/src/lib/hash/tiger/tiger.h')
-rw-r--r-- | comm/third_party/botan/src/lib/hash/tiger/tiger.h | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/comm/third_party/botan/src/lib/hash/tiger/tiger.h b/comm/third_party/botan/src/lib/hash/tiger/tiger.h new file mode 100644 index 0000000000..6e17ce83c9 --- /dev/null +++ b/comm/third_party/botan/src/lib/hash/tiger/tiger.h @@ -0,0 +1,59 @@ +/* +* Tiger +* (C) 1999-2007 Jack Lloyd +* +* Botan is released under the Simplified BSD License (see license.txt) +*/ + +#ifndef BOTAN_TIGER_H_ +#define BOTAN_TIGER_H_ + +#include <botan/mdx_hash.h> + +BOTAN_FUTURE_INTERNAL_HEADER(tiger.h) + +namespace Botan { + +/** +* Tiger +*/ +class BOTAN_PUBLIC_API(2,0) Tiger final : public MDx_HashFunction + { + public: + std::string name() const override; + size_t output_length() const override { return m_hash_len; } + + HashFunction* clone() const override + { + return new Tiger(output_length(), m_passes); + } + + std::unique_ptr<HashFunction> copy_state() const override; + + void clear() override; + + /** + * @param out_size specifies the output length; can be 16, 20, or 24 + * @param passes to make in the algorithm + */ + Tiger(size_t out_size = 24, size_t passes = 3); + private: + void compress_n(const uint8_t[], size_t block) override; + void copy_out(uint8_t[]) override; + + static void pass(uint64_t& A, uint64_t& B, uint64_t& C, + const secure_vector<uint64_t>& M, + uint8_t mul); + + static const uint64_t SBOX1[256]; + static const uint64_t SBOX2[256]; + static const uint64_t SBOX3[256]; + static const uint64_t SBOX4[256]; + + secure_vector<uint64_t> m_X, m_digest; + const size_t m_hash_len, m_passes; + }; + +} + +#endif |