124 lines
4.4 KiB
C++
124 lines
4.4 KiB
C++
// This Source Code Form is subject to the terms of the Mozilla Public
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// License, v. 2.0. If a copy of the MPL was not distributed with this file,
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// You can obtain one at http://mozilla.org/MPL/2.0/.
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#include "gtest/gtest.h"
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#include <stdint.h>
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#include "blapi.h"
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#include "nss_scoped_ptrs.h"
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#include "secerr.h"
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namespace nss_test {
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class ECLTest : public ::testing::Test {
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protected:
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ECCurveName GetCurveName(std::string name) {
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if (name == "P256") return ECCurve_NIST_P256;
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if (name == "P384") return ECCurve_NIST_P384;
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if (name == "P521") return ECCurve_NIST_P521;
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return ECCurve_pastLastCurve;
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}
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std::vector<uint8_t> hexStringToBytes(std::string s) {
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std::vector<uint8_t> bytes;
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for (size_t i = 0; i < s.length(); i += 2) {
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bytes.push_back(std::stoul(s.substr(i, 2), nullptr, 16));
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}
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return bytes;
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}
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std::string bytesToHexString(std::vector<uint8_t> bytes) {
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std::stringstream s;
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for (auto b : bytes) {
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s << std::setfill('0') << std::setw(2) << std::uppercase << std::hex
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<< static_cast<int>(b);
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}
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return s.str();
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}
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void ecName2params(const std::string curve, SECItem *params) {
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SECOidData *oidData = nullptr;
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switch (GetCurveName(curve)) {
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case ECCurve_NIST_P256:
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oidData = SECOID_FindOIDByTag(SEC_OID_ANSIX962_EC_PRIME256V1);
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break;
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case ECCurve_NIST_P384:
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oidData = SECOID_FindOIDByTag(SEC_OID_SECG_EC_SECP384R1);
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break;
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case ECCurve_NIST_P521:
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oidData = SECOID_FindOIDByTag(SEC_OID_SECG_EC_SECP521R1);
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break;
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default:
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FAIL();
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}
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ASSERT_NE(oidData, nullptr);
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if (SECITEM_AllocItem(nullptr, params, (2 + oidData->oid.len)) == nullptr) {
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FAIL() << "Couldn't allocate memory for OID.";
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}
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params->data[0] = SEC_ASN1_OBJECT_ID;
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params->data[1] = oidData->oid.len;
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memcpy(params->data + 2, oidData->oid.data, oidData->oid.len);
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}
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void TestECDH_Derive(const std::string p, const std::string secret,
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const std::string group_name, const std::string result,
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const SECStatus expected_status) {
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ECParams ecParams = {0};
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ScopedSECItem ecEncodedParams(SECITEM_AllocItem(nullptr, nullptr, 0U));
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ScopedPLArenaPool arena(PORT_NewArena(DER_DEFAULT_CHUNKSIZE));
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ASSERT_TRUE(arena && ecEncodedParams);
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ecName2params(group_name, ecEncodedParams.get());
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EC_FillParams(arena.get(), ecEncodedParams.get(), &ecParams);
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std::vector<uint8_t> p_bytes = hexStringToBytes(p);
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ASSERT_GT(p_bytes.size(), 0U);
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SECItem public_value = {siBuffer, p_bytes.data(),
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static_cast<unsigned int>(p_bytes.size())};
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std::vector<uint8_t> secret_bytes = hexStringToBytes(secret);
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ASSERT_GT(secret_bytes.size(), 0U);
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SECItem secret_value = {siBuffer, secret_bytes.data(),
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static_cast<unsigned int>(secret_bytes.size())};
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ScopedSECItem derived_secret(SECITEM_AllocItem(nullptr, nullptr, 0U));
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SECStatus rv = ECDH_Derive(&public_value, &ecParams, &secret_value, false,
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derived_secret.get());
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ASSERT_EQ(expected_status, rv);
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if (expected_status != SECSuccess) {
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// Abort when we expect an error.
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return;
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}
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std::string derived_result = bytesToHexString(std::vector<uint8_t>(
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derived_secret->data, derived_secret->data + derived_secret->len));
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std::cout << "derived secret: " << derived_result << std::endl;
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EXPECT_EQ(derived_result, result);
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}
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};
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TEST_F(ECLTest, TestECDH_DeriveP256) {
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TestECDH_Derive(
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"045ce5c643dffa402bc1837bbcbc223e51d06f20200470d341adfa9deed1bba10e850a16"
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"368b673732a5c220a778990b22a0e74cdc3b22c7410b9dd552a5635497",
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"971", "P256", "0", SECFailure);
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}
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TEST_F(ECLTest, TestECDH_DeriveP521) {
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TestECDH_Derive(
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"04"
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"00c6858e06b70404e9cd9e3ecb662395b4429c648139053fb521f828af606b4d3dbaa14b"
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"5e77efe75928fe1dc127a2ffa8de3348b3c1856a429bf97e7e31c2e5bd66"
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"011839296a789a3bc0045c8a5fb42c7d1bd998f54449579b446817afbd17273e662c97ee"
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"72995ef42640c550b9013fad0761353c7086a272c24088be94769fd16650",
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"01fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa5186"
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"8783bf2f966b7fcc0148f709a5d03bb5c9b8899c47aebb6fb71e913863f7",
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"P521",
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"01BC33425E72A12779EACB2EDCC5B63D1281F7E86DBC7BF99A7ABD0CFE367DE4666D6EDB"
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"B8525BFFE5222F0702C3096DEC0884CE572F5A15C423FDF44D01DD99C61D",
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SECSuccess);
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}
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} // namespace nss_test
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