5079590438

Committed 25 May 2023 12:28PM UTC coverage: 92.228% (+0.5%) from 91.723%

Build # 5079590438

Build Type

Pull #3502

github

Pull Request Pull Request #3502: Apply clang-format to the codebase

Run Details

75589 of 81959 relevant lines covered (92.23%)

12139530.51 hits per line

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95.45

/src/lib/rng/rng.cpp

/*
* (C) 2016 Jack Lloyd
*
* Botan is released under the Simplified BSD License (see license.txt)
*/

#include <botan/rng.h>

#include <botan/entropy_src.h>
#include <botan/internal/loadstor.h>
#include <botan/internal/os_utils.h>

#if defined(BOTAN_HAS_SYSTEM_RNG)
   #include <botan/system_rng.h>
#endif

#include <array>

namespace Botan {

void RandomNumberGenerator::randomize_with_ts_input(std::span<uint8_t> output) {
   if(this->accepts_input()) {
      constexpr auto s_hd_clk = sizeof(decltype(OS::get_high_resolution_clock()));
      constexpr auto s_sys_ts = sizeof(decltype(OS::get_system_timestamp_ns()));
      constexpr auto s_pid = sizeof(decltype(OS::get_process_id()));

      std::array<uint8_t, s_hd_clk + s_sys_ts + s_pid> additional_input = {0};
      auto s_additional_input = std::span(additional_input.begin(), additional_input.end());

      store_le(OS::get_high_resolution_clock(), s_additional_input.data());
      s_additional_input = s_additional_input.subspan(s_hd_clk);

#if defined(BOTAN_HAS_SYSTEM_RNG)
      System_RNG system_rng;
      system_rng.randomize(s_additional_input);
#else
      store_le(OS::get_system_timestamp_ns(), s_additional_input.data());
      s_additional_input = s_additional_input.subspan(s_sys_ts);

      store_le(OS::get_process_id(), s_additional_input.data());
#endif

      this->fill_bytes_with_input(output, additional_input);
   } else {
      this->fill_bytes_with_input(output, {});
   }
}

size_t RandomNumberGenerator::reseed(Entropy_Sources& srcs, size_t poll_bits, std::chrono::milliseconds poll_timeout) {
   if(this->accepts_input()) {
      return srcs.poll(*this, poll_bits, poll_timeout);
   } else {
      return 0;
   }
}

void RandomNumberGenerator::reseed_from_rng(RandomNumberGenerator& rng, size_t poll_bits) {
   if(this->accepts_input()) {
      this->add_entropy(rng.random_vec(poll_bits / 8));
   }
}

}

1	/*
2	* (C) 2016 Jack Lloyd
3	*
4	* Botan is released under the Simplified BSD License (see license.txt)
5	*/
6
7	#include <botan/rng.h>
8
9	#include <botan/entropy_src.h>
10	#include <botan/internal/loadstor.h>
11	#include <botan/internal/os_utils.h>
12
13	#if defined(BOTAN_HAS_SYSTEM_RNG)
14	#include <botan/system_rng.h>
15	#endif
16
17	#include <array>
18
19	namespace Botan {
20
21	void RandomNumberGenerator::randomize_with_ts_input(std::span<uint8_t> output) {	4,498✔
22	if(this->accepts_input()) {	4,498✔
23	constexpr auto s_hd_clk = sizeof(decltype(OS::get_high_resolution_clock()));	4,498✔
24	constexpr auto s_sys_ts = sizeof(decltype(OS::get_system_timestamp_ns()));	4,498✔
25	constexpr auto s_pid = sizeof(decltype(OS::get_process_id()));	4,498✔
26
27	std::array<uint8_t, s_hd_clk + s_sys_ts + s_pid> additional_input = {0};	4,498✔
28	auto s_additional_input = std::span(additional_input.begin(), additional_input.end());	4,498✔
29
30	store_le(OS::get_high_resolution_clock(), s_additional_input.data());	4,498✔
31	s_additional_input = s_additional_input.subspan(s_hd_clk);	4,498✔
32
33	#if defined(BOTAN_HAS_SYSTEM_RNG)
34	System_RNG system_rng;	4,498✔
35	system_rng.randomize(s_additional_input);	4,498✔
36	#else
37	store_le(OS::get_system_timestamp_ns(), s_additional_input.data());
38	s_additional_input = s_additional_input.subspan(s_sys_ts);
39
40	store_le(OS::get_process_id(), s_additional_input.data());
41	#endif
42
43	this->fill_bytes_with_input(output, additional_input);	4,498✔
44	} else {	4,498✔
45	this->fill_bytes_with_input(output, {});	×
46	}
47	}	4,498✔
48
49	size_t RandomNumberGenerator::reseed(Entropy_Sources& srcs, size_t poll_bits, std::chrono::milliseconds poll_timeout) {	10✔
50	if(this->accepts_input()) {	10✔
51	return srcs.poll(*this, poll_bits, poll_timeout);	9✔
52	} else {
53	return 0;
54	}
55	}
56
57	void RandomNumberGenerator::reseed_from_rng(RandomNumberGenerator& rng, size_t poll_bits) {	166✔
58	if(this->accepts_input()) {	166✔
59	this->add_entropy(rng.random_vec(poll_bits / 8));	319✔
60	}
61	}	157✔
62
63	}

randombit / botan / 5079590438

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