045a2c87e0
Also fix a bug so the same AuthKey is used for several getEntries() calls on a credential. This matches the behavior in the Jetpack. Bug: 197965513 Test: New CTS tests and new screen in CtsVerifier Change-Id: I344f44b5655f0977ee650b518ce669e3c8a7b47a
126 lines
4.8 KiB
C++
126 lines
4.8 KiB
C++
/*
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* Copyright (c) 2019, The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef SYSTEM_SECURITY_CREDENTIAL_H_
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#define SYSTEM_SECURITY_CREDENTIAL_H_
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#include <string>
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#include <vector>
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#include <android/security/identity/BnCredential.h>
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#include <android/hardware/identity/IIdentityCredentialStore.h>
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#include "CredentialData.h"
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namespace android {
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namespace security {
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namespace identity {
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using ::android::sp;
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using ::android::binder::Status;
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using ::std::string;
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using ::std::vector;
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using ::android::hardware::identity::CipherSuite;
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using ::android::hardware::identity::HardwareInformation;
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using ::android::hardware::identity::IIdentityCredential;
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using ::android::hardware::identity::IIdentityCredentialStore;
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using ::android::hardware::identity::IPresentationSession;
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using ::android::hardware::identity::RequestDataItem;
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using ::android::hardware::identity::RequestNamespace;
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class Credential : public BnCredential {
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public:
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Credential(CipherSuite cipherSuite, const string& dataPath, const string& credentialName,
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uid_t callingUid, HardwareInformation hwInfo,
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sp<IIdentityCredentialStore> halStoreBinder,
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sp<IPresentationSession> halSessionBinder, int halApiVersion);
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~Credential();
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Status ensureOrReplaceHalBinder();
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void writableCredentialPersonalized();
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// ICredential overrides
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Status createEphemeralKeyPair(vector<uint8_t>* _aidl_return) override;
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Status setReaderEphemeralPublicKey(const vector<uint8_t>& publicKey) override;
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Status deleteCredential(vector<uint8_t>* _aidl_return) override;
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Status deleteWithChallenge(const vector<uint8_t>& challenge,
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vector<uint8_t>* _aidl_return) override;
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Status proveOwnership(const vector<uint8_t>& challenge, vector<uint8_t>* _aidl_return) override;
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Status getCredentialKeyCertificateChain(vector<uint8_t>* _aidl_return) override;
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Status selectAuthKey(bool allowUsingExhaustedKeys, bool allowUsingExpiredKeys,
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bool incrementUsageCount, int64_t* _aidl_return) override;
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Status getEntries(const vector<uint8_t>& requestMessage,
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const vector<RequestNamespaceParcel>& requestNamespaces,
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const vector<uint8_t>& sessionTranscript,
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const vector<uint8_t>& readerSignature, bool allowUsingExhaustedKeys,
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bool allowUsingExpiredKeys, bool incrementUsageCount,
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GetEntriesResultParcel* _aidl_return) override;
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Status setAvailableAuthenticationKeys(int32_t keyCount, int32_t maxUsesPerKey) override;
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Status getAuthKeysNeedingCertification(vector<AuthKeyParcel>* _aidl_return) override;
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Status storeStaticAuthenticationData(const AuthKeyParcel& authenticationKey,
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const vector<uint8_t>& staticAuthData) override;
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Status
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storeStaticAuthenticationDataWithExpiration(const AuthKeyParcel& authenticationKey,
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int64_t expirationDateMillisSinceEpoch,
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const vector<uint8_t>& staticAuthData) override;
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Status getAuthenticationDataUsageCount(vector<int32_t>* _aidl_return) override;
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Status update(sp<IWritableCredential>* _aidl_return) override;
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private:
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CipherSuite cipherSuite_;
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string dataPath_;
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string credentialName_;
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uid_t callingUid_;
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HardwareInformation hwInfo_;
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sp<IIdentityCredentialStore> halStoreBinder_;
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sp<IPresentationSession> halSessionBinder_;
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uint64_t selectedChallenge_ = 0;
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sp<IIdentityCredential> halBinder_;
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int halApiVersion_;
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// This is used to cache the selected AuthKey to ensure the same AuthKey is used across
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// multiple getEntries() calls.
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//
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bool selectedAuthKey_ = false;
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vector<uint8_t> selectedAuthKeySigningKeyBlob_;
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vector<uint8_t> selectedAuthKeyStaticAuthData_;
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bool ensureChallenge();
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ssize_t
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calcExpectedDeviceNameSpacesSize(const vector<uint8_t>& requestMessage,
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const vector<RequestNamespaceParcel>& requestNamespaces,
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uint32_t authorizedAcps);
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};
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} // namespace identity
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} // namespace security
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} // namespace android
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#endif // SYSTEM_SECURITY_IDENTITY_CREDENTIAL_H_
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