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https://github.com/henrydcase/pqc.git
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96 lines
3.5 KiB
C++
96 lines
3.5 KiB
C++
#include <algorithm>
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#include <sstream>
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#include <vector>
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#include <gtest/gtest.h>
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#include <pqc/pqc.h>
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#include <random>
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extern "C" {
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#include "sign/dilithium/dilithium2/clean/reduce.h"
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#include "sign/dilithium/dilithium2/clean/params.h"
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}
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TEST(KEM,OneOff) {
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for (int i=0; i<PQC_ALG_KEM_MAX; i++) {
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const pqc_ctx_t *p = pqc_kem_alg_by_id(i);
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std::vector<uint8_t> ct(pqc_ciphertext_bsz(p));
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std::vector<uint8_t> ss1(pqc_shared_secret_bsz(p));
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std::vector<uint8_t> ss2(pqc_shared_secret_bsz(p));
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std::vector<uint8_t> sk(pqc_private_key_bsz(p));
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std::vector<uint8_t> pk(pqc_public_key_bsz(p));
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ASSERT_TRUE(
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pqc_keygen(p, pk.data(), sk.data()));
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ASSERT_TRUE(
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pqc_kem_encapsulate(p, ct.data(), ss1.data(), pk.data()));
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ASSERT_TRUE(
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pqc_kem_decapsulate(p, ss2.data(), ct.data(), sk.data()));
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ASSERT_TRUE(
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std::equal(ss1.begin(), ss1.end(), ss2.begin()));
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}
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}
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TEST(SIGN,OneOff) {
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std::random_device rd;
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std::uniform_int_distribution<uint8_t> dist(0, 0xFF);
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uint8_t msg[1234] = {0};
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for (int i=0; i<PQC_ALG_SIG_MAX; i++) {
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const pqc_ctx_t *p = pqc_sig_alg_by_id(i);
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// generate some random msg
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for (auto &x : msg) {x = dist(rd);}
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std::vector<uint8_t> sig(pqc_signature_bsz(p));
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std::vector<uint8_t> sk(pqc_private_key_bsz(p));
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std::vector<uint8_t> pk(pqc_public_key_bsz(p));
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ASSERT_TRUE(
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pqc_keygen(p, pk.data(), sk.data()));
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uint64_t sigsz = sig.size();
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ASSERT_TRUE(
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pqc_sig_create(p, sig.data(), &sigsz, msg, 1234, sk.data()));
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ASSERT_TRUE(
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pqc_sig_verify(p, sig.data(), sigsz, msg, 1234, pk.data()));
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}
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}
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TEST(KEMSIG,PrintSizes) {
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for (int i=0; i<PQC_ALG_SIG_MAX; i++) {
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std::stringstream out;
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const pqc_ctx_t *p = pqc_sig_alg_by_id(i);
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out << std::setw(30) << std::left << p->alg_name
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<< " :pk: " << std::setw(15) << pqc_public_key_bsz(p)
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<< " :sign: " << std::setw(15) << pqc_signature_bsz(p);
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std::cout << out.str() << std::endl;
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}
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for (int i=0; i<PQC_ALG_KEM_MAX; i++) {
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std::stringstream out;
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const pqc_ctx_t *p = pqc_kem_alg_by_id(i);
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out << std::setw(30) << std::left << p->alg_name
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<< " :pk: " << std::setw(15) << pqc_public_key_bsz(p)
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<< " :ct: " << std::setw(15) << pqc_ciphertext_bsz(p);
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std::cout << out.str() << std::endl;
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}
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}
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TEST(Dilithium, MontREDC) {
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ASSERT_EQ(PQCLEAN_DILITHIUM2_CLEAN_montgomery_reduce(0), 0);
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ASSERT_EQ(PQCLEAN_DILITHIUM2_CLEAN_montgomery_reduce(Q), 0);
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ASSERT_EQ(PQCLEAN_DILITHIUM2_CLEAN_montgomery_reduce(Q*100), 0);
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ASSERT_EQ(PQCLEAN_DILITHIUM2_CLEAN_montgomery_reduce(1), -114592);
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ASSERT_EQ(PQCLEAN_DILITHIUM2_CLEAN_montgomery_reduce(-1), 114592);
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ASSERT_EQ(PQCLEAN_DILITHIUM2_CLEAN_montgomery_reduce(((uint64_t)Q<<31)-1), 114592);
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ASSERT_EQ(PQCLEAN_DILITHIUM2_CLEAN_montgomery_reduce(-((int64_t)Q<<31)),0);
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ASSERT_EQ(PQCLEAN_DILITHIUM2_CLEAN_montgomery_reduce(-((1ULL<<31)*(int64_t)Q)+1), -114592);
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ASSERT_EQ(PQCLEAN_DILITHIUM2_CLEAN_montgomery_reduce(-(((int64_t)Q)<<31)+1), -114592);
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ASSERT_EQ(PQCLEAN_DILITHIUM2_CLEAN_montgomery_reduce((uint64_t)1<<15), -523840);
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ASSERT_EQ(PQCLEAN_DILITHIUM2_CLEAN_montgomery_reduce((uint64_t)1<<31), 4190209);
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ASSERT_EQ(PQCLEAN_DILITHIUM2_CLEAN_montgomery_reduce(3347556), 2070606);
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ASSERT_EQ(PQCLEAN_DILITHIUM2_CLEAN_montgomery_reduce(-2581810), 910169);
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}
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