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MsCryptoApiElectronicID.hpp
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MsCryptoApiElectronicID.hpp
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/*
* Copyright (c) 2022-2024 Estonian Information System Authority
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#pragma once
#include "electronic-id/electronic-id.hpp"
#include "pcsc-cpp/pcsc-cpp-utils.hpp"
#include "../common.hpp"
#include <windows.h>
#include <wincrypt.h>
namespace electronic_id
{
class MsCryptoApiElectronicID : public ElectronicID
{
public:
MsCryptoApiElectronicID(PCCERT_CONTEXT certCtx, pcsc_cpp::byte_vector&& cert,
CertificateType cType, bool isRsa, HCRYPTPROV_OR_NCRYPT_KEY_HANDLE k,
bool freeK) :
ElectronicID {std::make_unique<pcsc_cpp::SmartCard>()},
certContext {certCtx}, certData {cert}, certType {cType},
// TODO: SignatureAlgorithm::PS?
signatureAlgo {isRsa ? SignatureAlgorithm::RS : SignatureAlgorithm::ES}, key {k},
freeKey {freeK}
{
}
~MsCryptoApiElectronicID()
{
if (freeKey) {
NCryptFreeObject(key);
}
CertFreeCertificateContext(certContext);
}
PCSC_CPP_DISABLE_COPY_MOVE(MsCryptoApiElectronicID);
// The following placeholders are not used as the external PIN dialog manages PIN length
// validation.
static const int8_t PIN_RETRY_COUNT_PLACEHOLDER = -1;
static const size_t PIN_LENGTH_PLACEHOLDER = 0;
private:
// Use the external dialog provided by the CryptoAPI cryptographic service provider.
bool providesExternalPinDialog() const override { return true; }
pcsc_cpp::byte_vector getCertificate(const CertificateType typ) const override
{
if (typ != certType) {
THROW(WrongCertificateTypeError,
"This electronic ID does not support " + std::string(typ) + " certificates");
}
return certData;
}
JsonWebSignatureAlgorithm authSignatureAlgorithm() const override;
PinMinMaxLength authPinMinMaxLength() const override
{
return {PIN_LENGTH_PLACEHOLDER, PIN_LENGTH_PLACEHOLDER};
}
PinRetriesRemainingAndMax authPinRetriesLeft() const override
{
return {uint8_t(PIN_RETRY_COUNT_PLACEHOLDER), PIN_RETRY_COUNT_PLACEHOLDER};
}
pcsc_cpp::byte_vector signWithAuthKey(const pcsc_cpp::byte_vector& cert,
const pcsc_cpp::byte_vector& pin,
const pcsc_cpp::byte_vector& hash) const override;
const std::set<SignatureAlgorithm>& supportedSigningAlgorithms() const override
{
return isRSA() ? RSA_SIGNATURE_ALGOS() : ELLIPTIC_CURVE_SIGNATURE_ALGOS();
}
PinMinMaxLength signingPinMinMaxLength() const override
{
return {PIN_LENGTH_PLACEHOLDER, PIN_LENGTH_PLACEHOLDER};
}
PinRetriesRemainingAndMax signingPinRetriesLeft() const override
{
return {uint8_t(PIN_RETRY_COUNT_PLACEHOLDER), PIN_RETRY_COUNT_PLACEHOLDER};
}
Signature signWithSigningKey(const pcsc_cpp::byte_vector& cert,
const pcsc_cpp::byte_vector& pin,
const pcsc_cpp::byte_vector& hash,
const HashAlgorithm hashAlgo) const override;
std::string name() const override
{
// TODO: use NCryptGetProperty(key, NCRYPT_NAME_PROPERTY, ...).
return "MS CryptoAPI electronic ID";
}
Type type() const override { return Type::MsCryptoApiEID; }
bool isRSA() const { return signatureAlgo != SignatureAlgorithm::ES; }
PCCERT_CONTEXT certContext;
const pcsc_cpp::byte_vector certData;
const CertificateType certType;
const SignatureAlgorithm signatureAlgo;
const HCRYPTPROV_OR_NCRYPT_KEY_HANDLE key;
const bool freeKey;
};
} // namespace electronic_id