| // 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. |
| // |
| //////////////////////////////////////////////////////////////////////////////// |
| |
| goog.module('tink.subtle.EciesAeadHkdfDemHelper'); |
| |
| const {Aead} = goog.require('google3.third_party.tink.javascript.aead.internal.aead'); |
| |
| /** |
| * A helper for DEM (data encapsulation mechanism) of ECIES-AEAD-HKDF. |
| * @record |
| */ |
| class EciesAeadHkdfDemHelper { |
| /** |
| * @return {number} the size of the DEM key in bytes |
| */ |
| getDemKeySizeInBytes() {} |
| |
| /** |
| * Creates a new `Aead` primitive that uses the key material given in |
| * `demKey`, which must be of length `getDemKeySizeInBytes()`. |
| * |
| * @param {!Uint8Array} demKey the DEM key. |
| * @return {!Promise.<!Aead>} the newly created `Aead` primitive. |
| */ |
| getAead(demKey) {} |
| } |
| |
| exports = EciesAeadHkdfDemHelper; |