blob: d0dcc8ffaa8854192260af5cc171b26525555290 [file] [log] [blame]
/*
* Copyright (c) 2020 Project CHIP Authors
* All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
#include "SetupPayloadVerhoeff.h"
#include "SetupPayloadParseCommand.h"
#include <setup_payload/SetupPayload.h>
#include <support/verhoeff/Verhoeff.h>
#include <string>
using namespace ::chip;
CHIP_ERROR SetupPayloadVerhoeffVerify::Run()
{
std::string codeString(mSetupCode);
bool isQRCode = SetupPayloadParseCommand::IsQRCode(codeString);
VerifyOrReturnError(codeString.length() > mPos && mPos >= 0, CHIP_ERROR_INVALID_STRING_LENGTH);
VerifyOrReturnError(!isQRCode, CHIP_ERROR_NOT_IMPLEMENTED);
ChipLogProgress(SetupPayload, "%s is %sVALID at position %u", codeString.c_str(), Verify(codeString) ? "" : "IN", mPos);
return CHIP_NO_ERROR;
}
bool SetupPayloadVerhoeffVerify::Verify(std::string codeString)
{
char checkChar;
bool result;
checkChar = codeString.at(mPos);
codeString.erase(mPos, mPos);
ChipLogDetail(SetupPayload, "Verifying Manual Code: %s", codeString.c_str());
result = Verhoeff10::ValidateCheckChar(checkChar, codeString.c_str());
return result;
}
CHIP_ERROR SetupPayloadVerhoeffGenerate::Run()
{
std::string codeString(mSetupCode);
char generatedChar;
ReturnErrorOnFailure(GenerateChar(codeString, generatedChar));
ChipLogProgress(SetupPayload, "Generated Char: %c", generatedChar);
return CHIP_NO_ERROR;
}
CHIP_ERROR SetupPayloadVerhoeffGenerate::GenerateChar(std::string codeString, char & generatedChar)
{
bool isQRCode = SetupPayloadParseCommand::IsQRCode(codeString);
VerifyOrReturnError(!isQRCode, CHIP_ERROR_INVALID_ARGUMENT);
ChipLogDetail(SetupPayload, "Generating Character for: %s", codeString.c_str());
generatedChar = Verhoeff10::ComputeCheckChar(codeString.c_str());
return CHIP_NO_ERROR;
}
//