| Joseph Jang | dabb3c5 | 2021-09-01 16:50:09 +0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2020, 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 | #if !defined(EIC_INSIDE_LIBEIC_H) && !defined(EIC_COMPILATION) |
| 18 | #error "Never include this file directly, include libeic.h instead." |
| 19 | #endif |
| 20 | |
| 21 | #ifndef ANDROID_HARDWARE_IDENTITY_EIC_COMMON_H |
| 22 | #define ANDROID_HARDWARE_IDENTITY_EIC_COMMON_H |
| 23 | |
| 24 | // Feature version 202009: |
| 25 | // |
| 26 | // CredentialKeys = [ |
| 27 | // bstr, ; storageKey, a 128-bit AES key |
| 28 | // bstr, ; credentialPrivKey, the private key for credentialKey |
| 29 | // ] |
| 30 | // |
| 31 | // Feature version 202101: |
| 32 | // |
| 33 | // CredentialKeys = [ |
| 34 | // bstr, ; storageKey, a 128-bit AES key |
| 35 | // bstr, ; credentialPrivKey, the private key for credentialKey |
| 36 | // bstr ; proofOfProvisioning SHA-256 |
| 37 | // ] |
| 38 | // |
| 39 | // where storageKey is 16 bytes, credentialPrivateKey is 32 bytes, and proofOfProvisioning |
| 40 | // SHA-256 is 32 bytes. |
| 41 | #define EIC_CREDENTIAL_KEYS_CBOR_SIZE_FEATURE_VERSION_202009 52 |
| 42 | #define EIC_CREDENTIAL_KEYS_CBOR_SIZE_FEATURE_VERSION_202101 86 |
| 43 | |
| 44 | #endif // ANDROID_HARDWARE_IDENTITY_EIC_COMMON_H |