56 lines
1.8 KiB
C++
56 lines
1.8 KiB
C++
//
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// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2024
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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#include "td/telegram/DhCache.h"
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#include "td/telegram/Global.h"
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#include "td/telegram/TdDb.h"
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#include "td/utils/common.h"
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#include "td/utils/misc.h"
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namespace td {
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static string good_prime_key(Slice prime_str) {
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string key("good_prime:");
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key.append(prime_str.data(), prime_str.size());
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return key;
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}
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int DhCache::is_good_prime(Slice prime_str) const {
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static string built_in_good_prime =
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hex_decode(
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"c71caeb9c6b1c9048e6c522f70f13f73980d40238e3e21c14934d037563d930f48198a0aa7c14058229493d22530f4dbfa336f6e0ac9"
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"25139543aed44cce7c3720fd51f69458705ac68cd4fe6b6b13abdc9746512969328454f18faf8c595f642477fe96bb2a941d5bcd1d4a"
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"c8cc49880708fa9b378e3c4f3a9060bee67cf9a4a4a695811051907e162753b56b0f6b410dba74d8a84b2a14b3144e0ef1284754fd17"
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"ed950d5965b4b9dd46582db1178d169c6bc465b0d6ff9ca3928fef5b9ae4e418fc15e83ebea0f87fa9ff5eed70050ded2849f47bf959"
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"d956850ce929851f0d8115f635b105ee2e4e15d04b2454bf6f4fadf034b10403119cd8e3b92fcc5b")
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.move_as_ok();
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if (prime_str == built_in_good_prime) {
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return 1;
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}
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string value = G()->td_db()->get_binlog_pmc()->get(good_prime_key(prime_str));
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if (value == "good") {
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return 1;
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}
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if (value == "bad") {
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return 0;
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}
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CHECK(value.empty());
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return -1;
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}
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void DhCache::add_good_prime(Slice prime_str) const {
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G()->td_db()->get_binlog_pmc()->set(good_prime_key(prime_str), "good");
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}
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void DhCache::add_bad_prime(Slice prime_str) const {
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G()->td_db()->get_binlog_pmc()->set(good_prime_key(prime_str), "bad");
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}
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} // namespace td
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