| // Copyright 2019 Google LLC |
| // |
| // 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 TINK_UTIL_INPUT_STREAM_UTIL_H_ |
| #define TINK_UTIL_INPUT_STREAM_UTIL_H_ |
| |
| #include <string> |
| |
| #include "tink/input_stream.h" |
| #include "tink/util/secret_data.h" |
| #include "tink/util/statusor.h" |
| |
| namespace crypto { |
| namespace tink { |
| |
| // A utility function which reads num_bytes from the given input stream, calling |
| // Next repeatedly until 'num_bytes' are obtained. All stream errors are |
| // propagated. This can loop indefinitely (in case Next() repeatedly returns 0). |
| util::StatusOr<std::string> ReadBytesFromStream(int num_bytes, |
| InputStream* input_stream); |
| // A SecretData variant of ReadBytesFromStream |
| util::StatusOr<util::SecretData> ReadSecretBytesFromStream( |
| int num_bytes, InputStream* input_stream); |
| |
| } // namespace tink |
| } // namespace crypto |
| |
| #endif // TINK_UTIL_INPUT_STREAM_UTIL_H_ |
