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fortuna/pool.h

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handle PRNG state in R_state + accumulator basis * handle the PRNG state with R_state nested class * add a private property R holding PRNG state to Fortuna * add R_state properties as defined in Cryptography Engineering: * a generator instance * a reseed counter * 32 pools that the collected entropy is to be distributed over * add initial definition of the Pool object and its initialization * attempt to initialize PRNG in Fortuna constructor. wrap the initialization call in a try-catch block like a cultured person * erase the string used to print data from random_data() after it's been used
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#ifndef FORTUNA_POOL_H
#define FORTUNA_POOL_H
add Util class + perform general refactor * rm duplicate do_sha() code, consolidate in Util * make reseed() public so that it can be called from outside * rm reseed() from do_crypto() where it has no place
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#include "util.h"
accumulator(pool): (partly) implement add_entropy
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handle PRNG state in R_state + accumulator basis * handle the PRNG state with R_state nested class * add a private property R holding PRNG state to Fortuna * add R_state properties as defined in Cryptography Engineering: * a generator instance * a reseed counter * 32 pools that the collected entropy is to be distributed over * add initial definition of the Pool object and its initialization * attempt to initialize PRNG in Fortuna constructor. wrap the initialization call in a try-catch block like a cultured person * erase the string used to print data from random_data() after it's been used
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namespace fortuna {
namespace accumulator {
class Pool {
public:
pool: make ctor,dtor noexcept
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Pool() noexcept {};
pool: no copy constructor
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Pool(const Pool& pool) = delete; // no copy
pool: make ctor,dtor noexcept
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~Pool() noexcept = default;
handle PRNG state in R_state + accumulator basis * handle the PRNG state with R_state nested class * add a private property R holding PRNG state to Fortuna * add R_state properties as defined in Cryptography Engineering: * a generator instance * a reseed counter * 32 pools that the collected entropy is to be distributed over * add initial definition of the Pool object and its initialization * attempt to initialize PRNG in Fortuna constructor. wrap the initialization call in a try-catch block like a cultured person * erase the string used to print data from random_data() after it's been used
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chore(pool): add const& qual, #include stuff
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auto set_id(const unsigned int& id) noexcept -> void;
handle PRNG state in R_state + accumulator basis * handle the PRNG state with R_state nested class * add a private property R holding PRNG state to Fortuna * add R_state properties as defined in Cryptography Engineering: * a generator instance * a reseed counter * 32 pools that the collected entropy is to be distributed over * add initial definition of the Pool object and its initialization * attempt to initialize PRNG in Fortuna constructor. wrap the initialization call in a try-catch block like a cultured person * erase the string used to print data from random_data() after it's been used
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chore(pool): add const& qual, #include stuff
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auto get_id() const noexcept -> unsigned int;
handle PRNG state in R_state + accumulator basis * handle the PRNG state with R_state nested class * add a private property R holding PRNG state to Fortuna * add R_state properties as defined in Cryptography Engineering: * a generator instance * a reseed counter * 32 pools that the collected entropy is to be distributed over * add initial definition of the Pool object and its initialization * attempt to initialize PRNG in Fortuna constructor. wrap the initialization call in a try-catch block like a cultured person * erase the string used to print data from random_data() after it's been used
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chore(pool): add const& qual, #include stuff
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auto initialize_pool(const unsigned int& id) -> void;
handle PRNG state in R_state + accumulator basis * handle the PRNG state with R_state nested class * add a private property R holding PRNG state to Fortuna * add R_state properties as defined in Cryptography Engineering: * a generator instance * a reseed counter * 32 pools that the collected entropy is to be distributed over * add initial definition of the Pool object and its initialization * attempt to initialize PRNG in Fortuna constructor. wrap the initialization call in a try-catch block like a cultured person * erase the string used to print data from random_data() after it's been used
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fortuna: handle reseeds+clear pools for seed * actually clear out entropy of the pools before a reseed * correctly prepare the seed for the reseed * add a couple of helper methods to Pool that assist with getting length, retrieving and clearing of the collected entropy * catch exceptions in main(), handle them gracefully
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// add entropy contained in a random event of 1 to 32 bytes
pool: move logic to the source file
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auto add_entropy(const uint source, const std::vector<char>& event) -> int;
auto get_s_length() const -> uint64_t;
auto get_s() const -> std::string;
auto clear_pool() -> void;
fortuna: handle reseeds+clear pools for seed * actually clear out entropy of the pools before a reseed * correctly prepare the seed for the reseed * add a couple of helper methods to Pool that assist with getting length, retrieving and clearing of the collected entropy * catch exceptions in main(), handle them gracefully
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accumulator(pool): (partly) implement add_entropy
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protected:
pool: move logic to the source file
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auto append_s(const std::string& entropy_s) -> void;
accumulator(pool): (partly) implement add_entropy
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handle PRNG state in R_state + accumulator basis * handle the PRNG state with R_state nested class * add a private property R holding PRNG state to Fortuna * add R_state properties as defined in Cryptography Engineering: * a generator instance * a reseed counter * 32 pools that the collected entropy is to be distributed over * add initial definition of the Pool object and its initialization * attempt to initialize PRNG in Fortuna constructor. wrap the initialization call in a try-catch block like a cultured person * erase the string used to print data from random_data() after it's been used
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private:
unsigned int pool_id{0};
accumulator(pool): (partly) implement add_entropy
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std::string s{""};
uint64_t size{0};
handle PRNG state in R_state + accumulator basis * handle the PRNG state with R_state nested class * add a private property R holding PRNG state to Fortuna * add R_state properties as defined in Cryptography Engineering: * a generator instance * a reseed counter * 32 pools that the collected entropy is to be distributed over * add initial definition of the Pool object and its initialization * attempt to initialize PRNG in Fortuna constructor. wrap the initialization call in a try-catch block like a cultured person * erase the string used to print data from random_data() after it's been used
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}; // class Pool
refactor: clang-format
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} // namespace accumulator
} // namespace fortuna
handle PRNG state in R_state + accumulator basis * handle the PRNG state with R_state nested class * add a private property R holding PRNG state to Fortuna * add R_state properties as defined in Cryptography Engineering: * a generator instance * a reseed counter * 32 pools that the collected entropy is to be distributed over * add initial definition of the Pool object and its initialization * attempt to initialize PRNG in Fortuna constructor. wrap the initialization call in a try-catch block like a cultured person * erase the string used to print data from random_data() after it's been used
2021-12-04 00:19:22 +01:00
refactor: clang-format
2022-01-10 04:25:03 +01:00
#endif // FORTUNA_POOL_H