Ryan Henry
0d22946a0e
Ship the TLS mesh, composer, Beaver/Yao/leaf MPC, prep/online paths, apps, and docs so the tree is pushable before elevating share_expr, security_mode, and prep resume. Co-authored-by: Cursor <cursoragent@cursor.com>
52 lines
1.5 KiB
C++
52 lines
1.5 KiB
C++
#include <algorithm>
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#include <cstdint>
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#include <iostream>
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#include <vector>
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#include "dpf.hpp"
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#include "dpf/app_flow.hpp"
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#include "dpf/app_plans.hpp"
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// Max and k-th order statistic over secret uint16 values. Each value is
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// one incremental DPF with a unit payload on every prefix length. Servers
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// resume only the live prefixes with eval_until (ePrint 2024/1190).
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//
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// c++ -std=c++17 -march=native -I include -I thirdparty \
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// examples/applications/idpf_agg.cpp
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int main()
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{
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const std::vector<std::uint16_t> values{12, 80, 3, 80, 40};
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using key0_t = decltype(dpf::make_dpf(std::uint16_t{0},
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dpf::idpf_ones<16>()).first);
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using key1_t = decltype(dpf::make_dpf(std::uint16_t{0},
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dpf::idpf_ones<16>()).second);
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std::vector<key0_t> k0;
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std::vector<key1_t> k1;
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for (auto v : values)
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{
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auto [a, b] = dpf::make_dpf(v, dpf::idpf_ones<16>());
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k0.push_back(std::move(a));
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k1.push_back(std::move(b));
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}
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const auto opened_max = dpf::idpf_agg_max(k0, k1);
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const auto opened_k2 = dpf::idpf_agg_kth(k0, k1, 2);
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auto sorted = values;
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std::sort(sorted.begin(), sorted.end(), std::greater<>{});
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if (opened_max != sorted[0] || opened_k2 != sorted[1])
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{
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std::cerr << "idpf_agg " << opened_max << " " << opened_k2 << "\n";
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return 1;
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}
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{
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if (int rc = dpf::app::run_measured("idpf_agg",
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dpf::protocol::idpf_agg_plan(0, 16), 16))
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return rc;
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}
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std::cout << opened_max << "\n";
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return 0;
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}
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