| // 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. |
| // |
| //////////////////////////////////////////////////////////////////////////////// |
| |
| package hybrid |
| |
| import "github.com/google/tink/go/tink" |
| |
| // EciesAEADHKDFDEMHelper a helper for DEM (data encapsulation mechanism) of ECIES-AEAD-HKDF. |
| type EciesAEADHKDFDEMHelper interface { |
| |
| // GetSymmetricKeySize gives the size of the DEM-key in bytes |
| GetSymmetricKeySize() uint32 |
| |
| // GetAEAD returns the newly created AEAD primitive. |
| GetAEAD(symmetricKeyValue []byte) (tink.AEAD, error) |
| } |