1 /* 2 * Copyright 2021, 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 android.security.metrics; 18 19 /** 20 * EcCurve enum as defined in Keystore2KeyCreationWithGeneralInfo of 21 * frameworks/proto_logging/stats/atoms.proto. 22 * @hide 23 */ 24 @Backing(type="int") 25 enum EcCurve { 26 /** Unspecified takes 0. Other values are incremented by 1 compared to the keymint spec. */ 27 EC_CURVE_UNSPECIFIED = 0, 28 P_224 = 1, 29 P_256 = 2, 30 P_384 = 3, 31 P_521 = 4, 32 }