blob: a0f3b974488414002c155560bc2278a1c7195afa [file] [log] [blame]
/*
*
* Copyright (c) 2022 Project CHIP Authors
*
* 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.
*/
#pragma once
#include <credentials/CHIPCert.h>
#include <credentials/attestation_verifier/DeviceAttestationVerifier.h>
#include <array>
#include <vector>
namespace chip {
namespace Credentials {
enum class CertificateValidationMode
{
// Validate that the certificate is a valid PAA certificate.
kPAA,
// Validate just that the certificate has a public key we can extract
// (e.g. it's a CD signing certificate).
kPublicKeyOnly,
};
/**
* @brief Load all X.509 DER certificates in a given path.
*
* Silently ignores non-X.509 files and X.509 files that fail validation as
* determined by the provided validation mode.
*
* Returns an empty vector if no files are found or unrecoverable errors arise.
*
* @param trustStorePath - path from where to search for certificates.
* @param validationMode - how the certificate files should be validated.
* @return a vector of certificate DER data
*/
std::vector<std::vector<uint8_t>> LoadAllX509DerCerts(const char * trustStorePath,
CertificateValidationMode validationMode = CertificateValidationMode::kPAA);
class FileAttestationTrustStore : public AttestationTrustStore
{
public:
FileAttestationTrustStore(const char * paaTrustStorePath = nullptr);
~FileAttestationTrustStore();
CHIP_ERROR GetProductAttestationAuthorityCert(const ByteSpan & skid, MutableByteSpan & outPaaDerBuffer) const override;
bool IsInitialized() const { return mIsInitialized; }
size_t paaCount() const { return mPAADerCerts.size(); };
protected:
std::vector<std::vector<uint8_t>> mPAADerCerts;
private:
bool mIsInitialized = false;
void Cleanup();
};
} // namespace Credentials
} // namespace chip