1 /* 2 * Copyright (C) 2025 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.cobalt.crypto; 18 19 /** Interface for {@link HpkeEncrypter} public encryption keys */ 20 public interface PublicEncryptionKeys { 21 /** Gets {@code X25519_PUBLIC_VALUE_LEN}. */ getX25519PublicValueLen()22 int getX25519PublicValueLen(); 23 24 /** Gets {@code SHUFFLER_KEY_PROD}. */ getShufflerKeyProd()25 byte[] getShufflerKeyProd(); 26 27 /** Gets {@code SHUFFLER_KEY_INDEX_PROD}. */ getShufflerKeyIndexProd()28 int getShufflerKeyIndexProd(); 29 30 /** Gets {@code SHUFFLER_KEY_DEV}. */ getShufflerKeyDev()31 byte[] getShufflerKeyDev(); 32 33 /** Gets {@code SHUFFLER_KEY_INDEX_DEV}. */ getShufflerKeyIndexDev()34 int getShufflerKeyIndexDev(); 35 36 /** Gets {@code SHUFFLER_CONTEXT_INFO_BYTES}. */ getShufflerContextInfoBytes()37 byte[] getShufflerContextInfoBytes(); 38 39 /** Gets {@code ANALYZER_KEY_PROD}. */ getAnalyzerKeyProd()40 byte[] getAnalyzerKeyProd(); 41 42 /** Gets {@code ANALYZER_KEY_INDEX_PROD}. */ getAnalyzerKeyIndexProd()43 int getAnalyzerKeyIndexProd(); 44 45 /** Gets {@code ANALYZER_KEY_DEV}. */ getAnalyzerKeyDev()46 byte[] getAnalyzerKeyDev(); 47 48 /** Gets {@code ANALYZER_KEY_INDEX_DEV}. */ getAnalyzerKeyIndexDev()49 int getAnalyzerKeyIndexDev(); 50 51 /** Gets {@code ANALYZER_CONTEXT_INFO_BYTES}. */ getAnalyzerContextInfoBytes()52 byte[] getAnalyzerContextInfoBytes(); 53 } 54