| // Copyright 2023 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef COMPONENTS_METRICS_STRUCTURED_LIB_KEY_UTIL_H_ |
| #define COMPONENTS_METRICS_STRUCTURED_LIB_KEY_UTIL_H_ |
| |
| #include <optional> |
| #include <string> |
| |
| #include "base/values.h" |
| #include "components/metrics/structured/lib/proto/key.pb.h" |
| |
| namespace metrics::structured { |
| |
| // Key size to hash strings for structured metrics. |
| inline constexpr size_t kKeySize = 32; |
| |
| namespace util { |
| |
| // Generates a new key to be used for hashing. This function should be used to |
| // create new keys or to replace a key that needs to be rotated. |
| std::string GenerateNewKey(); |
| |
| // Helper conversion function between Value and KeyProto. |
| base::Value CreateValueFromKeyProto(const KeyProto& proto); |
| std::optional<KeyProto> CreateKeyProtoFromValue(const base::Value::Dict& value); |
| |
| } // namespace util |
| } // namespace metrics::structured |
| |
| #endif // COMPONENTS_METRICS_STRUCTURED_LIB_KEY_UTIL_H_ |
