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Merge remote-tracking branch 'origin/hotstuff_integration' into GH-1523…
…-finalizer-set-transition-2
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,125 @@ | ||
| #include "bls.hpp" | ||
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| #include <fc/crypto/bls_private_key.hpp> | ||
| #include <fc/crypto/bls_public_key.hpp> | ||
| #include <fc/crypto/bls_signature.hpp> | ||
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| #include <boost/program_options.hpp> | ||
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| using namespace fc::crypto::blslib; | ||
| namespace bpo = boost::program_options; | ||
| using bpo::options_description; | ||
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| void bls_actions::setup(CLI::App& app) { | ||
| // callback helper with error code handling | ||
| auto err_guard = [this](int (bls_actions::*fun)()) { | ||
| try { | ||
| int rc = (this->*fun)(); | ||
| if(rc) throw(CLI::RuntimeError(rc)); | ||
| } catch(...) { | ||
| print_exception(); | ||
| throw(CLI::RuntimeError(-1)); | ||
| } | ||
| }; | ||
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| // main command | ||
| auto* sub = app.add_subcommand("bls", "BLS utility"); | ||
| sub->require_subcommand(); | ||
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| // Create subcommand | ||
| auto create = sub->add_subcommand("create", "Create BLS items"); | ||
| create->require_subcommand(); | ||
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| // sub-subcommand - key | ||
| auto* create_key = create->add_subcommand("key", "Create a new BLS keypair and print the public and private keys")->callback([err_guard]() { err_guard(&bls_actions::create_key); }); | ||
| create_key->add_option("-f,--file", opt->key_file, "Name of file to write private/public key output to. (Must be set, unless \"--to-console\" is passed"); | ||
| create_key->add_flag( "--to-console", opt->print_console, "Print private/public keys to console."); | ||
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| // sub-subcommand - pop (proof of possession) | ||
| auto* create_pop = create->add_subcommand("pop", "Create proof of possession of the corresponding private key for a given public key")->callback([err_guard]() { err_guard(&bls_actions::create_pop); }); | ||
| create_pop->add_option("-f,--file", opt->key_file, "Name of file storing the private key. (one and only one of \"-f,--file\" and \"--private-key\" must be set)"); | ||
| create_pop->add_option("--private-key", opt->private_key_str, "The private key. (one and only one of \"-f,--file\" and \"--private-key\" must be set)"); | ||
| } | ||
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| int bls_actions::create_key() { | ||
| if (opt->key_file.empty() && !opt->print_console) { | ||
| std::cerr << "ERROR: Either indicate a file using \"-f, --file\" or pass \"--to-console\"" << "\n"; | ||
| return -1; | ||
| } else if (!opt->key_file.empty() && opt->print_console) { | ||
| std::cerr << "ERROR: Only one of \"-f, --file\" or pass \"--to-console\" can be provided" << "\n"; | ||
| return -1; | ||
| } | ||
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| // create a private key and get its corresponding public key | ||
| const bls_private_key private_key = bls_private_key::generate(); | ||
| const bls_public_key public_key = private_key.get_public_key(); | ||
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| // generate pop | ||
| const std::string pop_str = generate_pop_str(private_key); | ||
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| // prepare output | ||
| std::string out_str = "Private key: " + private_key.to_string({}) + "\n"; | ||
| out_str += "Public key: " + public_key.to_string({}) + "\n"; | ||
| out_str += "Proof of Possession: " + pop_str + "\n"; | ||
| if (opt->print_console) { | ||
| std::cout << out_str; | ||
| } else { | ||
| std::cout << "saving keys to " << opt->key_file << "\n"; | ||
| std::ofstream out( opt->key_file.c_str() ); | ||
| out << out_str; | ||
| } | ||
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| return 0; | ||
| } | ||
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| int bls_actions::create_pop() { | ||
| if (opt->key_file.empty() && opt->private_key_str.empty()) { | ||
| std::cerr << "ERROR: Either indicate a file using \"-f, --file\" or pass \"--private-key\"" << "\n"; | ||
| return -1; | ||
| } else if (!opt->key_file.empty() && !opt->private_key_str.empty()) { | ||
| std::cerr << "ERROR: Only one of \"-f, --file\" and \"--private-key\" can be provided" << "\n"; | ||
| return -1; | ||
| } | ||
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| std::string private_key_str; | ||
| if (!opt->private_key_str.empty()) { | ||
| private_key_str = opt->private_key_str; | ||
| } else { | ||
| std::ifstream key_file(opt->key_file); | ||
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| if (!key_file.is_open()) { | ||
| std::cerr << "ERROR: failed to open file " << opt->key_file << "\n"; | ||
| return -1; | ||
| } | ||
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| if (std::getline(key_file, private_key_str)) { | ||
| if (!key_file.eof()) { | ||
| std::cerr << "ERROR: file " << opt->key_file << " contains more than one line" << "\n"; | ||
| return -1; | ||
| } | ||
| } else { | ||
| std::cerr << "ERROR: file " << opt->key_file << " is empty" << "\n"; | ||
| return -1; | ||
| } | ||
| } | ||
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| // create private key object using input private key string | ||
| const bls_private_key private_key = bls_private_key(private_key_str); | ||
| const bls_public_key public_key = private_key.get_public_key(); | ||
| std::string pop_str = generate_pop_str(private_key); | ||
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| std::cout << "Proof of Possession: " << pop_str << "\n"; | ||
| std::cout << "Public key: " << public_key.to_string({}) << "\n"; | ||
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| return 0; | ||
| } | ||
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| std::string bls_actions::generate_pop_str(const bls_private_key& private_key) { | ||
| const bls_public_key public_key = private_key.get_public_key(); | ||
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| const std::array<uint8_t, 96> msg = public_key._pkey.toAffineBytesLE(true); // true means raw | ||
| const std::vector<uint8_t> msg_vector = std::vector<uint8_t>(msg.begin(), msg.end()); | ||
| const bls_signature pop = private_key.sign(msg_vector); | ||
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| return pop.to_string({}); | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,26 @@ | ||
| #include "subcommand.hpp" | ||
| #include <eosio/chain/config.hpp> | ||
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| #include <fc/crypto/bls_private_key.hpp> | ||
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| using namespace eosio::chain; | ||
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| struct bls_options { | ||
| std::string key_file; | ||
| std::string private_key_str; | ||
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| // flags | ||
| bool print_console{false}; | ||
| }; | ||
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| class bls_actions : public sub_command<bls_options> { | ||
| public: | ||
| void setup(CLI::App& app); | ||
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| protected: | ||
| int create_key(); | ||
| int create_pop(); | ||
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| private: | ||
| std::string generate_pop_str(const fc::crypto::blslib::bls_private_key& private_key); | ||
| }; |
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