| /* |
| * Copyright 2014 The Android Open Source Project |
| * |
| * 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. |
| */ |
| |
| #ifndef SYSTEM_KEYMASTER_RSA_OPERATION_H_ |
| #define SYSTEM_KEYMASTER_RSA_OPERATION_H_ |
| |
| #include <UniquePtr.h> |
| |
| #include <keymaster/key_blob.h> |
| |
| #include "operation.h" |
| |
| namespace keymaster { |
| |
| class RsaOperation : public Operation { |
| public: |
| RsaOperation(keymaster_purpose_t purpose, const Logger& logger, keymaster_padding_t padding, |
| RSA* key) |
| : Operation(purpose, logger), rsa_key_(key), padding_(padding) {} |
| ~RsaOperation(); |
| |
| virtual keymaster_error_t Begin() { return KM_ERROR_OK; } |
| virtual keymaster_error_t Update(const Buffer& input, Buffer* output); |
| virtual keymaster_error_t Abort() { return KM_ERROR_OK; } |
| |
| protected: |
| keymaster_error_t StoreData(const Buffer& input); |
| |
| RSA* rsa_key_; |
| keymaster_padding_t padding_; |
| Buffer data_; |
| }; |
| |
| class RsaSignOperation : public RsaOperation { |
| public: |
| RsaSignOperation(const Logger& logger, keymaster_digest_t digest, keymaster_padding_t padding, |
| RSA* key) |
| : RsaOperation(KM_PURPOSE_SIGN, logger, padding, key), digest_(digest) {} |
| virtual keymaster_error_t Finish(const Buffer& signature, Buffer* output); |
| |
| private: |
| keymaster_digest_t digest_; |
| }; |
| |
| class RsaVerifyOperation : public RsaOperation { |
| public: |
| RsaVerifyOperation(const Logger& logger, keymaster_digest_t digest, keymaster_padding_t padding, |
| RSA* key) |
| : RsaOperation(KM_PURPOSE_VERIFY, logger, padding, key), digest_(digest) {} |
| virtual keymaster_error_t Finish(const Buffer& signature, Buffer* output); |
| |
| private: |
| keymaster_digest_t digest_; |
| }; |
| |
| class RsaEncryptOperation : public RsaOperation { |
| public: |
| RsaEncryptOperation(const Logger& logger, keymaster_padding_t padding, RSA* key) |
| : RsaOperation(KM_PURPOSE_ENCRYPT, logger, padding, key) {} |
| virtual keymaster_error_t Finish(const Buffer& signature, Buffer* output); |
| }; |
| |
| class RsaDecryptOperation : public RsaOperation { |
| public: |
| RsaDecryptOperation(const Logger& logger, keymaster_padding_t padding, RSA* key) |
| : RsaOperation(KM_PURPOSE_DECRYPT, logger, padding, key) {} |
| virtual keymaster_error_t Finish(const Buffer& signature, Buffer* output); |
| }; |
| |
| } // namespace keymaster |
| |
| #endif // SYSTEM_KEYMASTER_RSA_OPERATION_H_ |