6253464532

Committed 19 Sep 2023 12:06AM UTC coverage: 91.748% (+0.02%) from 91.726%

Build # 6253464532

Build Type

push

github

Committed by

web-flow

Commit Message

Merge pull request #3693 from Rohde-Schwarz/refactor/alignment_buffer

Refactor: AlignmentBuffer<> helper for block-oriented Hashes

Run Details

79472 of 86620 relevant lines covered (91.75%)

8492168.28 hits per line

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75.0

/src/lib/hash/streebog/streebog.h

/*
* Streebog
* (C) 2017 Ribose Inc.
*
* Botan is released under the Simplified BSD License (see license.txt)
*/

#ifndef BOTAN_STREEBOG_H_
#define BOTAN_STREEBOG_H_

#include <botan/hash.h>

#include <botan/internal/alignment_buffer.h>

namespace Botan {

/**
* Streebog (GOST R 34.11-2012)
* RFC 6986
*/
class Streebog final : public HashFunction {
   public:
      size_t output_length() const override { return m_output_bits / 8; }

      std::unique_ptr<HashFunction> new_object() const override { return std::make_unique<Streebog>(m_output_bits); }

      void clear() override;
      std::string name() const override;

      size_t hash_block_size() const override { return 64; }

      std::unique_ptr<HashFunction> copy_state() const override;

      explicit Streebog(size_t output_bits);

   protected:
      void add_data(std::span<const uint8_t> input) override;
      void final_result(std::span<uint8_t> out) override;

      void compress(const uint8_t input[], bool lastblock = false);

      void compress_64(const uint64_t input[], bool lastblock = false);

   private:
      const size_t m_output_bits;
      uint64_t m_count;
      AlignmentBuffer<uint8_t, 64> m_buffer;
      secure_vector<uint64_t> m_h;
      secure_vector<uint64_t> m_S;
};

}  // namespace Botan

#endif

1	/*
2	* Streebog
3	* (C) 2017 Ribose Inc.
4	*
5	* Botan is released under the Simplified BSD License (see license.txt)
6	*/
7
8	#ifndef BOTAN_STREEBOG_H_
9	#define BOTAN_STREEBOG_H_
10
11	#include <botan/hash.h>
12
13	#include <botan/internal/alignment_buffer.h>
14
15	namespace Botan {
16
17	/**
18	* Streebog (GOST R 34.11-2012)
19	* RFC 6986
20	*/
21	class Streebog final : public HashFunction {	×
22	public:
23	size_t output_length() const override { return m_output_bits / 8; }	2,100✔
24
25	std::unique_ptr<HashFunction> new_object() const override { return std::make_unique<Streebog>(m_output_bits); }	265✔
26
27	void clear() override;
28	std::string name() const override;
29
30	size_t hash_block_size() const override { return 64; }	530✔
31
32	std::unique_ptr<HashFunction> copy_state() const override;
33
34	explicit Streebog(size_t output_bits);
35
36	protected:
37	void add_data(std::span<const uint8_t> input) override;
38	void final_result(std::span<uint8_t> out) override;
39
40	void compress(const uint8_t input[], bool lastblock = false);
41
42	void compress_64(const uint64_t input[], bool lastblock = false);
43
44	private:
45	const size_t m_output_bits;
46	uint64_t m_count;
47	AlignmentBuffer<uint8_t, 64> m_buffer;
48	secure_vector<uint64_t> m_h;
49	secure_vector<uint64_t> m_S;
50	};
51
52	} // namespace Botan
53
54	#endif

randombit / botan / 6253464532

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