| // Copyright 2018 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. |
| //////////////////////////////////////////////////////////////////////////////// |
| |
| /** |
| * Interface for creating digital signatures. |
| * |
| * Security guarantees: Implementations of these interfaces are secure |
| * against adaptive chosen-message attacks. Signing data ensures the |
| * authenticity and the integrity of that data, but not its secrecy. |
| * |
| */ |
| export abstract class PublicKeySign { |
| /** |
| * Computes the digital signature of `message`. |
| * |
| * @param message the message to be signed, must be non-null. |
| * @return resulting digital signature |
| */ |
| abstract sign(message: Uint8Array): Promise<Uint8Array>; |
| } |