36 lines
1.2 KiB
C
36 lines
1.2 KiB
C
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#pragma once
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#ifndef CRYFS_FAKECRYKEYPROVIDER_H
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#define CRYFS_FAKECRYKEYPROVIDER_H
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#include <cryfs/config/CryKeyProvider.h>
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#include <cpp-utils/data/DataFixture.h>
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class FakeCryKeyProvider final : public cryfs::CryKeyProvider {
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private:
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static constexpr const unsigned char KDF_TEST_PARAMETERS = 5; // test value to check that kdf parameters are passed in correctly
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public:
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FakeCryKeyProvider(unsigned char keySeed = 0): _keySeed(keySeed) {}
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cpputils::EncryptionKey requestKeyForExistingFilesystem(size_t keySize, const cpputils::Data& kdfParameters) override {
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ASSERT(kdfParameters.size() == 1 && *reinterpret_cast<const unsigned char*>(kdfParameters.data()) == KDF_TEST_PARAMETERS, "Wrong kdf parameters");
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return cpputils::EncryptionKey::FromString(cpputils::DataFixture::generate(keySize, _keySeed).ToString());
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}
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KeyResult requestKeyForNewFilesystem(size_t keySize) override {
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cpputils::Data kdfParameters(sizeof(unsigned char));
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*reinterpret_cast<unsigned char*>(kdfParameters.data()) = KDF_TEST_PARAMETERS;
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auto key = requestKeyForExistingFilesystem(keySize, kdfParameters);
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return KeyResult{
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std::move(key),
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std::move(kdfParameters)
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};
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}
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private:
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unsigned char _keySeed;
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};
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#endif
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