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/**
* Copyright (C) 2018-present MongoDB, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the Server Side Public License, version 1,
* as published by MongoDB, Inc.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* Server Side Public License for more details.
*
* You should have received a copy of the Server Side Public License
* along with this program. If not, see
* <http://www.mongodb.com/licensing/server-side-public-license>.
*
* As a special exception, the copyright holders give permission to link the
* code of portions of this program with the OpenSSL library under certain
* conditions as described in each individual source file and distribute
* linked combinations including the program with the OpenSSL library. You
* must comply with the Server Side Public License in all respects for
* all of the code used other than as permitted herein. If you modify file(s)
* with this exception, you may extend this exception to your version of the
* file(s), but you are not obligated to do so. If you do not wish to do so,
* delete this exception statement from your version. If you delete this
* exception statement from all source files in the program, then also delete
* it in the license file.
*/
#define MONGO_LOG_DEFAULT_COMPONENT ::mongo::logger::LogComponent::kDefault
#include "mongo/platform/basic.h"
#include "mongo/crypto/mechanism_scram.h"
#include "mongo/crypto/sha1_block.h"
#include "mongo/crypto/sha256_block.h"
#include "mongo/unittest/unittest.h"
#include "mongo/util/log.h"
namespace mongo {
namespace scram {
namespace {
template <typename HashBlock>
void testBasicVectors(StringData saltedPw,
StringData clientKey,
StringData storedKey,
StringData serverKey,
StringData proof,
StringData signature) {
// Predictable salts yield predictable secrets.
// salt = {0, 1, 2, 3, ..., n-1}
std::vector<uint8_t> salt;
salt.resize(HashBlock::kHashLength - 4);
int i = 0;
std::generate(salt.begin(), salt.end(), [&i] { return i++; });
Presecrets<HashBlock> presecrets("password", salt, 4096);
ASSERT_EQ(presecrets.generateSaltedPassword().toString(), saltedPw);
Secrets<HashBlock> secrets(presecrets);
ASSERT_EQ(secrets.clientKey().toString(), clientKey);
ASSERT_EQ(secrets.storedKey().toString(), storedKey);
ASSERT_EQ(secrets.serverKey().toString(), serverKey);
const StringData authMessage("secret");
const auto generatedProof = secrets.generateClientProof(authMessage);
ASSERT_EQ(generatedProof, proof);
ASSERT_TRUE(secrets.verifyClientProof(authMessage, base64::decode(generatedProof)));
const auto generatedSig = secrets.generateServerSignature(authMessage);
ASSERT_EQ(generatedSig, signature);
ASSERT_TRUE(secrets.verifyServerSignature(authMessage, base64::decode(generatedSig)));
}
TEST(MechanismScram, BasicVectors) {
testBasicVectors<SHA1Block>("531aYHrF581Skow4E0gCWLw/Ibo=",
"wiHbIsPcvJo230S6Qf5xYCDrhb0=",
"SjXiaB2hLRr8aMUyXMVEw7H1jSI=",
"FilAoFIclBukd3xZxBvYMXTU3HM=",
"y+cpoAm0YlN30GuNgN4B9xghi4E=",
"kiZS90Kz4/yaYZn9JieHtcRzXR0=");
testBasicVectors<SHA256Block>("UA7rgIQG0u7EQJuOrJ99qaWVlcWnY0e/ijWBuyzSN0M=",
"xdYqTeBpV5U7m/j9EdpKT1Ls+5ublIEeYGND2RUB18k=",
"w4nwnR0Mck11lMY3EeF4pCcpJMgaToIguPbEk/ipNGY=",
"oKgZqeFO8FDpB14Y8QDLbiX1TurT6XZTdlexUt/Ny5g=",
"D6x37wuGhm1HegzIrJhedSb26XOdg5IRyR47oFqzKIo=",
"ybHsTJuRLmeT0/1YvQZKrlsgDE40RobAX7o8fu9sbdk=");
}
template <typename HashBlock>
void testGenerateCredentials() {
const auto bson = Secrets<HashBlock>::generateCredentials("password", 4096);
ASSERT_EQ(bson.nFields(), 4);
ASSERT_TRUE(bson.hasField("salt"));
ASSERT_EQ(base64::decode(bson.getStringField("salt")).size(), HashBlock::kHashLength - 4);
ASSERT_TRUE(bson.hasField("storedKey"));
ASSERT_EQ(base64::decode(bson.getStringField("storedKey")).size(), HashBlock::kHashLength);
ASSERT_TRUE(bson.hasField("serverKey"));
ASSERT_EQ(base64::decode(bson.getStringField("serverKey")).size(), HashBlock::kHashLength);
ASSERT_TRUE(bson.hasField("iterationCount"));
ASSERT_EQ(bson.getIntField("iterationCount"), 4096);
}
TEST(MechanismScram, generateCredentials) {
testGenerateCredentials<SHA1Block>();
testGenerateCredentials<SHA256Block>();
}
} // namespace
} // namespace scram
} // namespace mongo
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