platform_system_security/keystore2/test_utils/key_generations.rs
Rajesh Nyamagoud d0213ef0e6 Verify key characteristics of generated/imported keys.
Changes made in keystore2-client-tests to verify the key characteristics
of generated and imported keys.

Bug: 279721870
Test: atest keystore2_client_tests
Change-Id: I30c1fb2bdb1d69d321d356453d895db73347acde
2023-07-27 15:51:41 +00:00

1290 lines
53 KiB
Rust

// Copyright 2022, The Android Open Source Project
//
// 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.
//! This module implements test utils to generate various types of keys.
use anyhow::Result;
use core::ops::Range;
use std::collections::HashSet;
use std::fmt::Write;
use android_hardware_security_keymint::aidl::android::hardware::security::keymint::{
Algorithm::Algorithm, BlockMode::BlockMode, Digest::Digest, EcCurve::EcCurve,
ErrorCode::ErrorCode, HardwareAuthenticatorType::HardwareAuthenticatorType,
KeyOrigin::KeyOrigin, KeyParameter::KeyParameter, KeyParameterValue::KeyParameterValue,
KeyPurpose::KeyPurpose, PaddingMode::PaddingMode, Tag::Tag,
};
use android_system_keystore2::aidl::android::system::keystore2::{
AuthenticatorSpec::AuthenticatorSpec, Authorization::Authorization, Domain::Domain,
IKeystoreSecurityLevel::IKeystoreSecurityLevel, KeyDescriptor::KeyDescriptor,
KeyMetadata::KeyMetadata, ResponseCode::ResponseCode,
};
use crate::authorizations::AuthSetBuilder;
use android_system_keystore2::binder::{ExceptionCode, Result as BinderResult};
/// Shell namespace.
pub const SELINUX_SHELL_NAMESPACE: i64 = 1;
/// Vold namespace.
pub const SELINUX_VOLD_NAMESPACE: i64 = 100;
/// SU context.
pub const TARGET_SU_CTX: &str = "u:r:su:s0";
/// Vold context
pub const TARGET_VOLD_CTX: &str = "u:r:vold:s0";
/// Allowed tags in generated/imported key authorizations.
/// See hardware/interfaces/security/keymint/aidl/android/hardware/security/keymint/Tag.aidl for the
/// list feature tags.
/// Note: This list need to be updated whenever a new Tag is introduced and is expected to be added
/// in key authorizations.
pub const ALLOWED_TAGS_IN_KEY_AUTHS: &[Tag] = &[
Tag::ACTIVE_DATETIME,
Tag::ALGORITHM,
Tag::ALLOW_WHILE_ON_BODY,
Tag::AUTH_TIMEOUT,
Tag::BLOCK_MODE,
Tag::BOOTLOADER_ONLY,
Tag::BOOT_PATCHLEVEL,
Tag::CALLER_NONCE,
Tag::CREATION_DATETIME,
Tag::DIGEST,
Tag::EARLY_BOOT_ONLY,
Tag::EC_CURVE,
Tag::IDENTITY_CREDENTIAL_KEY,
Tag::INCLUDE_UNIQUE_ID,
Tag::KEY_SIZE,
Tag::MAX_BOOT_LEVEL,
Tag::MAX_USES_PER_BOOT,
Tag::MIN_MAC_LENGTH,
Tag::NO_AUTH_REQUIRED,
Tag::ORIGIN,
Tag::ORIGINATION_EXPIRE_DATETIME,
Tag::OS_PATCHLEVEL,
Tag::OS_VERSION,
Tag::PADDING,
Tag::PURPOSE,
Tag::ROLLBACK_RESISTANCE,
Tag::RSA_OAEP_MGF_DIGEST,
Tag::RSA_PUBLIC_EXPONENT,
Tag::STORAGE_KEY,
Tag::TRUSTED_CONFIRMATION_REQUIRED,
Tag::TRUSTED_USER_PRESENCE_REQUIRED,
Tag::UNLOCKED_DEVICE_REQUIRED,
Tag::USAGE_COUNT_LIMIT,
Tag::USAGE_EXPIRE_DATETIME,
Tag::USER_AUTH_TYPE,
Tag::USER_ID,
Tag::USER_SECURE_ID,
Tag::VENDOR_PATCHLEVEL,
];
/// Key parameters to generate a key.
pub struct KeyParams {
/// Key Size.
pub key_size: i32,
/// Key Purposes.
pub purpose: Vec<KeyPurpose>,
/// Padding Mode.
pub padding: Option<PaddingMode>,
/// Digest.
pub digest: Option<Digest>,
/// MFG Digest.
pub mgf_digest: Option<Digest>,
/// Block Mode.
pub block_mode: Option<BlockMode>,
/// Attestation challenge.
pub att_challenge: Option<Vec<u8>>,
}
/// DER-encoded PKCS#8 format RSA key. Generated using:
/// openssl genrsa 2048 | openssl pkcs8 -topk8 -nocrypt -outform der | hexdump -e '30/1 "%02X" "\n"'
pub static RSA_2048_KEY: &[u8] = &[
0x30, 0x82, 0x04, 0xBD, 0x02, 0x01, 0x00, 0x30, 0x0D, 0x06, 0x09, 0x2A, 0x86, 0x48, 0x86, 0xF7,
0x0D, 0x01, 0x01, 0x01, 0x05, 0x00, 0x04, 0x82, 0x04, 0xA7, 0x30, 0x82, 0x04, 0xA3, 0x02, 0x01,
0x00, 0x02, 0x82, 0x01, 0x01, 0x00, 0xE5, 0x14, 0xE3, 0xC2, 0x43, 0xF3, 0x0F, 0xCC, 0x22, 0x73,
0x9C, 0x84, 0xCC, 0x1B, 0x6C, 0x97, 0x4B, 0xC9, 0xDF, 0x1F, 0xE2, 0xB8, 0x80, 0x85, 0xF9, 0x27,
0xAB, 0x97, 0x94, 0x58, 0x4B, 0xC9, 0x40, 0x94, 0x5A, 0xB4, 0xD4, 0xF8, 0xD0, 0x36, 0xC4, 0x86,
0x17, 0x7D, 0xA2, 0x48, 0x6D, 0x40, 0xF0, 0xB9, 0x61, 0x4F, 0xCE, 0x65, 0x80, 0x88, 0x81, 0x59,
0x95, 0x11, 0x24, 0xF4, 0x36, 0xB7, 0xB7, 0x37, 0x44, 0xF4, 0x6C, 0x1C, 0xEB, 0x04, 0x19, 0x78,
0xB2, 0x29, 0x4D, 0x21, 0x44, 0x16, 0x57, 0x58, 0x6D, 0x7D, 0x56, 0xB5, 0x99, 0xDD, 0xD2, 0xAD,
0x02, 0x9A, 0x72, 0x16, 0x67, 0xD6, 0x00, 0x9F, 0x69, 0xE0, 0x25, 0xEE, 0x7C, 0x86, 0x54, 0x27,
0x4B, 0x50, 0xEF, 0x60, 0x52, 0x60, 0x82, 0xAA, 0x09, 0x15, 0x72, 0xD2, 0xEB, 0x01, 0x52, 0x04,
0x39, 0x60, 0xBC, 0x5E, 0x95, 0x07, 0xC8, 0xC2, 0x3A, 0x3A, 0xE2, 0xA4, 0x99, 0x6B, 0x27, 0xE3,
0xA3, 0x55, 0x69, 0xC4, 0xB3, 0x2D, 0x19, 0xC4, 0x34, 0x76, 0xFC, 0x27, 0xDA, 0x22, 0xB2, 0x62,
0x69, 0x25, 0xDE, 0x0D, 0xE7, 0x54, 0x3C, 0xBB, 0x61, 0xD2, 0x20, 0xDA, 0x7B, 0x6E, 0x63, 0xBD,
0x9A, 0x4B, 0xCD, 0x75, 0xC6, 0xA1, 0x5E, 0x1C, 0x3E, 0xD5, 0x63, 0x59, 0x22, 0x7E, 0xE0, 0x6C,
0x98, 0x25, 0x63, 0x97, 0x56, 0xDF, 0x71, 0xF5, 0x4C, 0x78, 0xE9, 0xE1, 0xD5, 0xFC, 0xF8, 0x5A,
0x5B, 0xF6, 0x1D, 0xFA, 0x5A, 0x99, 0x4C, 0x99, 0x19, 0x21, 0x1D, 0xF5, 0x24, 0x07, 0xEF, 0x8A,
0xC9, 0x9F, 0xE7, 0x3F, 0xBB, 0x46, 0x1A, 0x16, 0x96, 0xC6, 0xD6, 0x12, 0x7E, 0xDA, 0xCB, 0xEB,
0x2F, 0x1D, 0x3B, 0x31, 0xCC, 0x55, 0x63, 0xA2, 0x6F, 0x8A, 0xDE, 0x35, 0x52, 0x40, 0x04, 0xBF,
0xE0, 0x82, 0x32, 0xE1, 0x6D, 0x8B, 0x02, 0x03, 0x01, 0x00, 0x01, 0x02, 0x82, 0x01, 0x00, 0x2D,
0x1F, 0x71, 0x41, 0x79, 0xBA, 0xED, 0xD8, 0xAA, 0xCC, 0x94, 0xFE, 0xFF, 0x69, 0x43, 0x79, 0x85,
0xBF, 0x2C, 0xC9, 0x0E, 0x12, 0x83, 0x96, 0x60, 0x1E, 0x75, 0x49, 0x35, 0x3A, 0x33, 0x2B, 0x60,
0x22, 0x18, 0xBF, 0xD7, 0xD7, 0x6E, 0xC3, 0xEA, 0xEF, 0xF2, 0xBE, 0x97, 0x71, 0xA6, 0xBB, 0x8C,
0xEF, 0x27, 0x00, 0xDE, 0x49, 0xD6, 0x08, 0x8D, 0x5A, 0x04, 0xE7, 0xCC, 0x9C, 0xA2, 0x0E, 0x8B,
0xF3, 0x42, 0x0C, 0xD7, 0x22, 0xD7, 0x14, 0x06, 0xA4, 0x64, 0x8B, 0x88, 0x1A, 0xCE, 0x5B, 0x8C,
0x36, 0xE9, 0xD2, 0x2F, 0x7B, 0x33, 0xE4, 0xA2, 0xB3, 0xDB, 0x78, 0x6A, 0x92, 0x89, 0x3F, 0x78,
0xFD, 0xED, 0x8F, 0xEE, 0x48, 0xCC, 0x94, 0x75, 0x0D, 0x0C, 0x63, 0xD3, 0xD2, 0xE8, 0x47, 0x04,
0x55, 0xD3, 0xD6, 0x3A, 0xB8, 0xDA, 0xFB, 0x76, 0x99, 0x48, 0x68, 0x0A, 0x92, 0xA2, 0xCD, 0xF7,
0x45, 0x8B, 0x50, 0xFE, 0xF9, 0x1A, 0x33, 0x24, 0x3C, 0x2E, 0xDE, 0x88, 0xAD, 0xB2, 0x5B, 0x9F,
0x44, 0xEA, 0xD1, 0x9F, 0xC7, 0x9F, 0x02, 0x5E, 0x31, 0x61, 0xB3, 0xD6, 0xE2, 0xE1, 0xBC, 0xFB,
0x1C, 0xDB, 0xBD, 0xB2, 0x9A, 0xE5, 0xEF, 0xDA, 0xCD, 0x29, 0xA5, 0x45, 0xCC, 0x67, 0x01, 0x8B,
0x1C, 0x1D, 0x0E, 0x8F, 0x73, 0x69, 0x4D, 0x4D, 0xF6, 0x9D, 0xA6, 0x6C, 0x9A, 0x1C, 0xF4, 0x5C,
0xE4, 0x83, 0x9A, 0x77, 0x12, 0x01, 0xBD, 0xCE, 0x66, 0x3A, 0x4B, 0x3D, 0x6E, 0xE0, 0x6E, 0x82,
0x98, 0xDE, 0x74, 0x11, 0x47, 0xEC, 0x7A, 0x3A, 0xA9, 0xD8, 0x48, 0x00, 0x26, 0x64, 0x47, 0x7B,
0xAE, 0x55, 0x9D, 0x29, 0x22, 0xB4, 0xB3, 0xB9, 0xB1, 0x64, 0xEA, 0x3B, 0x5A, 0xD3, 0x3F, 0x8D,
0x0F, 0x14, 0x7E, 0x4E, 0xB8, 0x1B, 0x06, 0xFC, 0xB1, 0x7E, 0xCD, 0xB9, 0x1A, 0x4E, 0xA1, 0x02,
0x81, 0x81, 0x00, 0xF9, 0xDE, 0xEE, 0xED, 0x13, 0x2F, 0xBB, 0xE7, 0xE2, 0xB3, 0x2D, 0x98, 0xD2,
0xE8, 0x25, 0x07, 0x5A, 0x1E, 0x51, 0x0A, 0xC8, 0xAD, 0x50, 0x4B, 0x80, 0xC6, 0x22, 0xF5, 0x9B,
0x08, 0xE6, 0x3D, 0x01, 0xC6, 0x3E, 0xC8, 0xD2, 0x54, 0x9F, 0x91, 0x77, 0x95, 0xCD, 0xCA, 0xC7,
0xE7, 0x47, 0x94, 0xA9, 0x5F, 0x4E, 0xBE, 0x31, 0x3D, 0xB4, 0xAF, 0x43, 0x0F, 0xDC, 0x8D, 0x9C,
0x1E, 0x52, 0x7B, 0x72, 0x21, 0x34, 0xB3, 0x96, 0x7C, 0x9C, 0xB8, 0x51, 0x65, 0x60, 0xAC, 0x3D,
0x11, 0x32, 0xB8, 0xD6, 0x34, 0x35, 0x66, 0xD0, 0x30, 0xB9, 0xE9, 0x67, 0x2C, 0x87, 0x73, 0x43,
0x9C, 0x12, 0x16, 0x7D, 0x4A, 0xD9, 0xA3, 0x4C, 0x24, 0x64, 0x6A, 0x32, 0x8E, 0xC3, 0xD8, 0x00,
0x90, 0x5C, 0x4D, 0x65, 0x01, 0x53, 0x8A, 0xD0, 0x87, 0xCE, 0x96, 0xEF, 0xFA, 0x73, 0x03, 0xF1,
0xDC, 0x1B, 0x9B, 0x02, 0x81, 0x81, 0x00, 0xEA, 0xB3, 0x69, 0x00, 0x11, 0x0E, 0x50, 0xAA, 0xD3,
0x22, 0x51, 0x78, 0x9D, 0xFF, 0x05, 0x62, 0xBC, 0x9A, 0x67, 0x86, 0xE1, 0xC5, 0x02, 0x2D, 0x14,
0x11, 0x29, 0x30, 0xE7, 0x90, 0x5D, 0x72, 0x6F, 0xC5, 0x62, 0xEB, 0xD4, 0xB0, 0x3F, 0x3D, 0xDC,
0xB9, 0xFC, 0x2B, 0x5C, 0xBD, 0x9E, 0x71, 0x81, 0x5C, 0xC5, 0xFE, 0xDF, 0x69, 0x73, 0x12, 0x66,
0x92, 0x06, 0xD4, 0xD5, 0x8F, 0xDF, 0x14, 0x2E, 0x9C, 0xD0, 0x4C, 0xC2, 0x4D, 0x31, 0x2E, 0x47,
0xA5, 0xDC, 0x8A, 0x83, 0x7B, 0xE8, 0xA5, 0xC3, 0x03, 0x98, 0xD8, 0xBF, 0xF4, 0x7D, 0x6E, 0x87,
0x55, 0xE4, 0x0F, 0x15, 0x10, 0xC8, 0x76, 0x4F, 0xAD, 0x1D, 0x1C, 0x95, 0x41, 0x9D, 0x88, 0xEC,
0x8C, 0xDA, 0xBA, 0x90, 0x7F, 0x8D, 0xD9, 0x8B, 0x47, 0x6C, 0x0C, 0xFF, 0xBA, 0x73, 0x00, 0x20,
0x1F, 0xF7, 0x7E, 0x5F, 0xF4, 0xEC, 0xD1, 0x02, 0x81, 0x80, 0x16, 0xB7, 0x43, 0xB5, 0x5D, 0xD7,
0x2B, 0x18, 0x0B, 0xAE, 0x0A, 0x69, 0x28, 0x53, 0x5E, 0x7A, 0x6A, 0xA0, 0xF2, 0xF1, 0x2E, 0x09,
0x43, 0x91, 0x79, 0xA5, 0x89, 0xAC, 0x16, 0x6A, 0x1A, 0xB4, 0x55, 0x22, 0xF6, 0xB6, 0x3F, 0x18,
0xDE, 0x60, 0xD5, 0x24, 0x53, 0x4F, 0x2A, 0x19, 0x46, 0x92, 0xA7, 0x4B, 0x38, 0xD7, 0x65, 0x96,
0x9C, 0x84, 0x8A, 0x6E, 0x38, 0xB8, 0xCF, 0x06, 0x9A, 0xAD, 0x0A, 0x55, 0x26, 0x7B, 0x65, 0x24,
0xF3, 0x02, 0x76, 0xB3, 0xE6, 0xB4, 0x01, 0xE1, 0x3C, 0x61, 0x3D, 0x68, 0x05, 0xAA, 0xD1, 0x26,
0x7C, 0xE0, 0x51, 0x36, 0xE5, 0x21, 0x7F, 0x76, 0x02, 0xD6, 0xF4, 0x91, 0x07, 0x74, 0x27, 0x09,
0xEF, 0xEF, 0x0F, 0xA5, 0x96, 0xFC, 0x5E, 0x20, 0xC1, 0xA3, 0x6F, 0x99, 0x4D, 0x45, 0x03, 0x6C,
0x35, 0x45, 0xD7, 0x8F, 0x47, 0x41, 0x86, 0x8D, 0x62, 0x1D, 0x02, 0x81, 0x81, 0x00, 0xC3, 0x93,
0x85, 0xA7, 0xFC, 0x8E, 0x85, 0x42, 0x14, 0x76, 0xC0, 0x95, 0x56, 0x73, 0xB0, 0xB5, 0x3A, 0x9D,
0x20, 0x30, 0x11, 0xEA, 0xED, 0x89, 0x4A, 0xF3, 0x91, 0xF3, 0xA2, 0xC3, 0x76, 0x5B, 0x6A, 0x30,
0x7D, 0xE2, 0x2F, 0x76, 0x3E, 0xFC, 0xF9, 0xF6, 0x31, 0xE0, 0xA0, 0x83, 0x92, 0x88, 0xDB, 0x57,
0xC7, 0xD6, 0x3F, 0xAD, 0xCB, 0xAA, 0x45, 0xB6, 0xE1, 0xE2, 0x71, 0xA4, 0x56, 0x2C, 0xA7, 0x3B,
0x1D, 0x89, 0x19, 0x50, 0xE1, 0xEE, 0xC2, 0xDD, 0xC0, 0x0D, 0xDC, 0xCB, 0x60, 0x6E, 0xE1, 0x37,
0x1A, 0x23, 0x64, 0xB2, 0x03, 0xE4, 0x1A, 0xFA, 0xC3, 0xF4, 0x9D, 0x85, 0x42, 0xC6, 0xF4, 0x56,
0x39, 0xB0, 0x1B, 0xE0, 0x75, 0xBA, 0x28, 0x04, 0xA8, 0x30, 0x57, 0x41, 0x33, 0x9F, 0x58, 0xA4,
0xC7, 0xB1, 0x7D, 0x58, 0x8D, 0x84, 0x49, 0x40, 0xDA, 0x28, 0x81, 0x25, 0xC4, 0x41, 0x02, 0x81,
0x80, 0x13, 0x20, 0x65, 0xD5, 0x96, 0x98, 0x8D, 0x16, 0x73, 0xA1, 0x31, 0x73, 0x79, 0xBA, 0xEC,
0xB0, 0xD9, 0x0C, 0xF6, 0xEF, 0x2F, 0xC2, 0xE7, 0x96, 0x9B, 0xA1, 0x2D, 0xE9, 0xFB, 0x45, 0xB9,
0xD0, 0x30, 0xE2, 0xBD, 0x30, 0x4F, 0xB6, 0xFE, 0x24, 0x02, 0xCF, 0x8D, 0x51, 0x48, 0x45, 0xD9,
0xF7, 0x20, 0x53, 0x1C, 0x0B, 0xA9, 0x7E, 0xC2, 0xA2, 0x65, 0xCC, 0x3E, 0x0E, 0x0D, 0xF1, 0x62,
0xDD, 0x5F, 0xBC, 0x55, 0x9B, 0x58, 0x26, 0x40, 0x6A, 0xEE, 0x02, 0x55, 0x36, 0xE9, 0xBA, 0x82,
0x5A, 0xFD, 0x3C, 0xDF, 0xA6, 0x26, 0x32, 0x81, 0xA9, 0x5E, 0x46, 0xBE, 0xBA, 0xDC, 0xD3, 0x2A,
0x3A, 0x3B, 0xC1, 0x4E, 0xF7, 0x1A, 0xDC, 0x4B, 0xAF, 0x67, 0x1B, 0x3A, 0x83, 0x0D, 0x04, 0xDE,
0x27, 0x47, 0xFC, 0xE6, 0x39, 0x89, 0x7B, 0x66, 0xF9, 0x50, 0x4D, 0xF1, 0xAC, 0x20, 0x43, 0x7E,
0xEE,
];
/// DER-encoded PKCS#8 format EC key. Generated using:
/// openssl ecparam -name prime256v1 -genkey | openssl pkcs8 -topk8 -nocrypt -outform der | hexdump -e '30/1 "%02X" "\n"'
pub static EC_P_256_KEY: &[u8] = &[
0x30, 0x81, 0x87, 0x02, 0x01, 0x00, 0x30, 0x13, 0x06, 0x07, 0x2A, 0x86, 0x48, 0xCE, 0x3D, 0x02,
0x01, 0x06, 0x08, 0x2A, 0x86, 0x48, 0xCE, 0x3D, 0x03, 0x01, 0x07, 0x04, 0x6D, 0x30, 0x6B, 0x02,
0x01, 0x01, 0x04, 0x20, 0xB9, 0x1D, 0xAF, 0x50, 0xFD, 0xD8, 0x6A, 0x40, 0xAB, 0x2C, 0xCB, 0x54,
0x4E, 0xED, 0xF1, 0x64, 0xBC, 0x30, 0x25, 0xFB, 0xC4, 0x69, 0x00, 0x34, 0x1A, 0x82, 0xA3, 0x72,
0x5D, 0xC7, 0xA9, 0x85, 0xA1, 0x44, 0x03, 0x42, 0x00, 0x04, 0xE8, 0x53, 0x0A, 0xF2, 0xD3, 0x68,
0x40, 0x48, 0x8C, 0xB4, 0x2F, 0x11, 0x34, 0xD7, 0xF4, 0x4A, 0x5C, 0x33, 0xFF, 0xF6, 0x2B, 0xF7,
0x98, 0x0F, 0x02, 0xA5, 0xD7, 0x4F, 0xF9, 0xDE, 0x60, 0x9C, 0x6E, 0xB0, 0x45, 0xDA, 0x3F, 0xF4,
0x34, 0x23, 0x9B, 0x4C, 0x3A, 0x09, 0x9C, 0x5E, 0x5D, 0x37, 0x96, 0xAC, 0x4A, 0xE7, 0x65, 0x2B,
0xD6, 0x84, 0x98, 0xEA, 0x96, 0x91, 0xFB, 0x78, 0xED, 0x86,
];
/// DER-encoded PKCS#8 format RSA key -
/// Size: 2048
/// Public Exponent: 65537
/// Purpose: WRAP_KEY, ENCRYPT, DECRYPT
/// Encryption scheme: RSAES-PKCS1-v1_5
/// Digest: SHA_2_256
/// Padding: RSA_OAEP
/// This sample wrapping_key is taken from KeyMint tests
/// (see hardware/interfaces/security/keymint/aidl/vts/functional/KeyMintTest.cpp).
/// Similarly more test keys can be generated with below command -
/// openssl genrsa 2048 | openssl pkcs8 -topk8 -nocrypt -outform der | hexdump -e '30/1 "%02X" "\n"'
pub static WRAPPING_KEY: &[u8] = &[
0x30, 0x82, 0x04, 0xbe, 0x02, 0x01, 0x00, 0x30, 0x0d, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7,
0x0d, 0x01, 0x01, 0x01, 0x05, 0x00, 0x04, 0x82, 0x04, 0xa8, 0x30, 0x82, 0x04, 0xa4, 0x02, 0x01,
0x00, 0x02, 0x82, 0x01, 0x01, 0x00, 0xae, 0xc3, 0x67, 0x93, 0x1d, 0x89, 0x00, 0xce, 0x56, 0xb0,
0x06, 0x7f, 0x7d, 0x70, 0xe1, 0xfc, 0x65, 0x3f, 0x3f, 0x34, 0xd1, 0x94, 0xc1, 0xfe, 0xd5, 0x00,
0x18, 0xfb, 0x43, 0xdb, 0x93, 0x7b, 0x06, 0xe6, 0x73, 0xa8, 0x37, 0x31, 0x3d, 0x56, 0xb1, 0xc7,
0x25, 0x15, 0x0a, 0x3f, 0xef, 0x86, 0xac, 0xbd, 0xdc, 0x41, 0xbb, 0x75, 0x9c, 0x28, 0x54, 0xea,
0xe3, 0x2d, 0x35, 0x84, 0x1e, 0xfb, 0x5c, 0x18, 0xd8, 0x2b, 0xc9, 0x0a, 0x1c, 0xb5, 0xc1, 0xd5,
0x5a, 0xdf, 0x24, 0x5b, 0x02, 0x91, 0x1f, 0x0b, 0x7c, 0xda, 0x88, 0xc4, 0x21, 0xff, 0x0e, 0xba,
0xfe, 0x7c, 0x0d, 0x23, 0xbe, 0x31, 0x2d, 0x7b, 0xd5, 0x92, 0x1f, 0xfa, 0xea, 0x13, 0x47, 0xc1,
0x57, 0x40, 0x6f, 0xef, 0x71, 0x8f, 0x68, 0x26, 0x43, 0xe4, 0xe5, 0xd3, 0x3c, 0x67, 0x03, 0xd6,
0x1c, 0x0c, 0xf7, 0xac, 0x0b, 0xf4, 0x64, 0x5c, 0x11, 0xf5, 0xc1, 0x37, 0x4c, 0x38, 0x86, 0x42,
0x74, 0x11, 0xc4, 0x49, 0x79, 0x67, 0x92, 0xe0, 0xbe, 0xf7, 0x5d, 0xec, 0x85, 0x8a, 0x21, 0x23,
0xc3, 0x67, 0x53, 0xe0, 0x2a, 0x95, 0xa9, 0x6d, 0x7c, 0x45, 0x4b, 0x50, 0x4d, 0xe3, 0x85, 0xa6,
0x42, 0xe0, 0xdf, 0xc3, 0xe6, 0x0a, 0xc3, 0xa7, 0xee, 0x49, 0x91, 0xd0, 0xd4, 0x8b, 0x01, 0x72,
0xa9, 0x5f, 0x95, 0x36, 0xf0, 0x2b, 0xa1, 0x3c, 0xec, 0xcc, 0xb9, 0x2b, 0x72, 0x7d, 0xb5, 0xc2,
0x7e, 0x5b, 0x2f, 0x5c, 0xec, 0x09, 0x60, 0x0b, 0x28, 0x6a, 0xf5, 0xcf, 0x14, 0xc4, 0x20, 0x24,
0xc6, 0x1d, 0xdf, 0xe7, 0x1c, 0x2a, 0x8d, 0x74, 0x58, 0xf1, 0x85, 0x23, 0x4c, 0xb0, 0x0e, 0x01,
0xd2, 0x82, 0xf1, 0x0f, 0x8f, 0xc6, 0x72, 0x1d, 0x2a, 0xed, 0x3f, 0x48, 0x33, 0xcc, 0xa2, 0xbd,
0x8f, 0xa6, 0x28, 0x21, 0xdd, 0x55, 0x02, 0x03, 0x01, 0x00, 0x01, 0x02, 0x82, 0x01, 0x00, 0x43,
0x14, 0x47, 0xb6, 0x25, 0x19, 0x08, 0x11, 0x2b, 0x1e, 0xe7, 0x6f, 0x99, 0xf3, 0x71, 0x1a, 0x52,
0xb6, 0x63, 0x09, 0x60, 0x04, 0x6c, 0x2d, 0xe7, 0x0d, 0xe1, 0x88, 0xd8, 0x33, 0xf8, 0xb8, 0xb9,
0x1e, 0x4d, 0x78, 0x5c, 0xae, 0xee, 0xaf, 0x4f, 0x0f, 0x74, 0x41, 0x4e, 0x2c, 0xda, 0x40, 0x64,
0x1f, 0x7f, 0xe2, 0x4f, 0x14, 0xc6, 0x7a, 0x88, 0x95, 0x9b, 0xdb, 0x27, 0x76, 0x6d, 0xf9, 0xe7,
0x10, 0xb6, 0x30, 0xa0, 0x3a, 0xdc, 0x68, 0x3b, 0x5d, 0x2c, 0x43, 0x08, 0x0e, 0x52, 0xbe, 0xe7,
0x1e, 0x9e, 0xae, 0xb6, 0xde, 0x29, 0x7a, 0x5f, 0xea, 0x10, 0x72, 0x07, 0x0d, 0x18, 0x1c, 0x82,
0x2b, 0xcc, 0xff, 0x08, 0x7d, 0x63, 0xc9, 0x40, 0xba, 0x8a, 0x45, 0xf6, 0x70, 0xfe, 0xb2, 0x9f,
0xb4, 0x48, 0x4d, 0x1c, 0x95, 0xe6, 0xd2, 0x57, 0x9b, 0xa0, 0x2a, 0xae, 0x0a, 0x00, 0x90, 0x0c,
0x3e, 0xbf, 0x49, 0x0e, 0x3d, 0x2c, 0xd7, 0xee, 0x8d, 0x0e, 0x20, 0xc5, 0x36, 0xe4, 0xdc, 0x5a,
0x50, 0x97, 0x27, 0x28, 0x88, 0xcd, 0xdd, 0x7e, 0x91, 0xf2, 0x28, 0xb1, 0xc4, 0xd7, 0x47, 0x4c,
0x55, 0xb8, 0xfc, 0xd6, 0x18, 0xc4, 0xa9, 0x57, 0xbb, 0xdd, 0xd5, 0xad, 0x74, 0x07, 0xcc, 0x31,
0x2d, 0x8d, 0x98, 0xa5, 0xca, 0xf7, 0xe0, 0x8f, 0x4a, 0x0d, 0x6b, 0x45, 0xbb, 0x41, 0xc6, 0x52,
0x65, 0x9d, 0x5a, 0x5b, 0xa0, 0x5b, 0x66, 0x37, 0x37, 0xa8, 0x69, 0x62, 0x81, 0x86, 0x5b, 0xa2,
0x0f, 0xbd, 0xd7, 0xf8, 0x51, 0xe6, 0xc5, 0x6e, 0x8c, 0xbe, 0x0d, 0xdb, 0xbf, 0x24, 0xdc, 0x03,
0xb2, 0xd2, 0xcb, 0x4c, 0x3d, 0x54, 0x0f, 0xb0, 0xaf, 0x52, 0xe0, 0x34, 0xa2, 0xd0, 0x66, 0x98,
0xb1, 0x28, 0xe5, 0xf1, 0x01, 0xe3, 0xb5, 0x1a, 0x34, 0xf8, 0xd8, 0xb4, 0xf8, 0x61, 0x81, 0x02,
0x81, 0x81, 0x00, 0xde, 0x39, 0x2e, 0x18, 0xd6, 0x82, 0xc8, 0x29, 0x26, 0x6c, 0xc3, 0x45, 0x4e,
0x1d, 0x61, 0x66, 0x24, 0x2f, 0x32, 0xd9, 0xa1, 0xd1, 0x05, 0x77, 0x75, 0x3e, 0x90, 0x4e, 0xa7,
0xd0, 0x8b, 0xff, 0x84, 0x1b, 0xe5, 0xba, 0xc8, 0x2a, 0x16, 0x4c, 0x59, 0x70, 0x00, 0x70, 0x47,
0xb8, 0xc5, 0x17, 0xdb, 0x8f, 0x8f, 0x84, 0xe3, 0x7b, 0xd5, 0x98, 0x85, 0x61, 0xbd, 0xf5, 0x03,
0xd4, 0xdc, 0x2b, 0xdb, 0x38, 0xf8, 0x85, 0x43, 0x4a, 0xe4, 0x2c, 0x35, 0x5f, 0x72, 0x5c, 0x9a,
0x60, 0xf9, 0x1f, 0x07, 0x88, 0xe1, 0xf1, 0xa9, 0x72, 0x23, 0xb5, 0x24, 0xb5, 0x35, 0x7f, 0xdf,
0x72, 0xe2, 0xf6, 0x96, 0xba, 0xb7, 0xd7, 0x8e, 0x32, 0xbf, 0x92, 0xba, 0x8e, 0x18, 0x64, 0xea,
0xb1, 0x22, 0x9e, 0x91, 0x34, 0x61, 0x30, 0x74, 0x8a, 0x6e, 0x3c, 0x12, 0x4f, 0x91, 0x49, 0xd7,
0x1c, 0x74, 0x35, 0x02, 0x81, 0x81, 0x00, 0xc9, 0x53, 0x87, 0xc0, 0xf9, 0xd3, 0x5f, 0x13, 0x7b,
0x57, 0xd0, 0xd6, 0x5c, 0x39, 0x7c, 0x5e, 0x21, 0xcc, 0x25, 0x1e, 0x47, 0x00, 0x8e, 0xd6, 0x2a,
0x54, 0x24, 0x09, 0xc8, 0xb6, 0xb6, 0xac, 0x7f, 0x89, 0x67, 0xb3, 0x86, 0x3c, 0xa6, 0x45, 0xfc,
0xce, 0x49, 0x58, 0x2a, 0x9a, 0xa1, 0x73, 0x49, 0xdb, 0x6c, 0x4a, 0x95, 0xaf, 0xfd, 0xae, 0x0d,
0xae, 0x61, 0x2e, 0x1a, 0xfa, 0xc9, 0x9e, 0xd3, 0x9a, 0x2d, 0x93, 0x4c, 0x88, 0x04, 0x40, 0xae,
0xd8, 0x83, 0x2f, 0x98, 0x43, 0x16, 0x3a, 0x47, 0xf2, 0x7f, 0x39, 0x21, 0x99, 0xdc, 0x12, 0x02,
0xf9, 0xa0, 0xf9, 0xbd, 0x08, 0x30, 0x80, 0x07, 0xcb, 0x1e, 0x4e, 0x7f, 0x58, 0x30, 0x93, 0x66,
0xa7, 0xde, 0x25, 0xf7, 0xc3, 0xc9, 0xb8, 0x80, 0x67, 0x7c, 0x06, 0x8e, 0x1b, 0xe9, 0x36, 0xe8,
0x12, 0x88, 0x81, 0x52, 0x52, 0xa8, 0xa1, 0x02, 0x81, 0x80, 0x57, 0xff, 0x8c, 0xa1, 0x89, 0x50,
0x80, 0xb2, 0xca, 0xe4, 0x86, 0xef, 0x0a, 0xdf, 0xd7, 0x91, 0xfb, 0x02, 0x35, 0xc0, 0xb8, 0xb3,
0x6c, 0xd6, 0xc1, 0x36, 0xe5, 0x2e, 0x40, 0x85, 0xf4, 0xea, 0x5a, 0x06, 0x32, 0x12, 0xa4, 0xf1,
0x05, 0xa3, 0x76, 0x47, 0x43, 0xe5, 0x32, 0x81, 0x98, 0x8a, 0xba, 0x07, 0x3f, 0x6e, 0x00, 0x27,
0x29, 0x8e, 0x1c, 0x43, 0x78, 0x55, 0x6e, 0x0e, 0xfc, 0xa0, 0xe1, 0x4e, 0xce, 0x1a, 0xf7, 0x6a,
0xd0, 0xb0, 0x30, 0xf2, 0x7a, 0xf6, 0xf0, 0xab, 0x35, 0xfb, 0x73, 0xa0, 0x60, 0xd8, 0xb1, 0xa0,
0xe1, 0x42, 0xfa, 0x26, 0x47, 0xe9, 0x3b, 0x32, 0xe3, 0x6d, 0x82, 0x82, 0xae, 0x0a, 0x4d, 0xe5,
0x0a, 0xb7, 0xaf, 0xe8, 0x55, 0x00, 0xa1, 0x6f, 0x43, 0xa6, 0x47, 0x19, 0xd6, 0xe2, 0xb9, 0x43,
0x98, 0x23, 0x71, 0x9c, 0xd0, 0x8b, 0xcd, 0x03, 0x17, 0x81, 0x02, 0x81, 0x81, 0x00, 0xba, 0x73,
0xb0, 0xbb, 0x28, 0xe3, 0xf8, 0x1e, 0x9b, 0xd1, 0xc5, 0x68, 0x71, 0x3b, 0x10, 0x12, 0x41, 0xac,
0xc6, 0x07, 0x97, 0x6c, 0x4d, 0xdc, 0xcc, 0x90, 0xe6, 0x5b, 0x65, 0x56, 0xca, 0x31, 0x51, 0x60,
0x58, 0xf9, 0x2b, 0x6e, 0x09, 0xf3, 0xb1, 0x60, 0xff, 0x0e, 0x37, 0x4e, 0xc4, 0x0d, 0x78, 0xae,
0x4d, 0x49, 0x79, 0xfd, 0xe6, 0xac, 0x06, 0xa1, 0xa4, 0x00, 0xc6, 0x1d, 0xd3, 0x12, 0x54, 0x18,
0x6a, 0xf3, 0x0b, 0x22, 0xc1, 0x05, 0x82, 0xa8, 0xa4, 0x3e, 0x34, 0xfe, 0x94, 0x9c, 0x5f, 0x3b,
0x97, 0x55, 0xba, 0xe7, 0xba, 0xa7, 0xb7, 0xb7, 0xa6, 0xbd, 0x03, 0xb3, 0x8c, 0xef, 0x55, 0xc8,
0x68, 0x85, 0xfc, 0x6c, 0x19, 0x78, 0xb9, 0xce, 0xe7, 0xef, 0x33, 0xda, 0x50, 0x7c, 0x9d, 0xf6,
0xb9, 0x27, 0x7c, 0xff, 0x1e, 0x6a, 0xaa, 0x5d, 0x57, 0xac, 0xa5, 0x28, 0x46, 0x61, 0x02, 0x81,
0x81, 0x00, 0xc9, 0x31, 0x61, 0x7c, 0x77, 0x82, 0x9d, 0xfb, 0x12, 0x70, 0x50, 0x2b, 0xe9, 0x19,
0x5c, 0x8f, 0x28, 0x30, 0x88, 0x5f, 0x57, 0xdb, 0xa8, 0x69, 0x53, 0x68, 0x11, 0xe6, 0x86, 0x42,
0x36, 0xd0, 0xc4, 0x73, 0x6a, 0x00, 0x08, 0xa1, 0x45, 0xaf, 0x36, 0xb8, 0x35, 0x7a, 0x7c, 0x3d,
0x13, 0x99, 0x66, 0xd0, 0x4c, 0x4e, 0x00, 0x93, 0x4e, 0xa1, 0xae, 0xde, 0x3b, 0xb6, 0xb8, 0xec,
0x84, 0x1d, 0xc9, 0x5e, 0x3f, 0x57, 0x97, 0x51, 0xe2, 0xbf, 0xdf, 0xe2, 0x7a, 0xe7, 0x78, 0x98,
0x3f, 0x95, 0x93, 0x56, 0x21, 0x07, 0x23, 0x28, 0x7b, 0x0a, 0xff, 0xcc, 0x9f, 0x72, 0x70, 0x44,
0xd4, 0x8c, 0x37, 0x3f, 0x1b, 0xab, 0xde, 0x07, 0x24, 0xfa, 0x17, 0xa4, 0xfd, 0x4d, 0xa0, 0x90,
0x2c, 0x7c, 0x9b, 0x9b, 0xf2, 0x7b, 0xa6, 0x1b, 0xe6, 0xad, 0x02, 0xdf, 0xdd, 0xda, 0x8f, 0x4e,
0x68, 0x22,
];
/// WrappedKeyData as ASN.1 DER-encoded data corresponding to the `SecureKeyWrapper` schema
/// specified in IKeyMintDevice.aidl. Wrapped key parameters are -
/// Algorithm: AES
/// Key size: 256
/// Block mode: ECB
/// Padding mode: PKCS7
/// This sample wrapped_key is taken from KeyMint tests (see KeyMintTest.cpp).
pub static WRAPPED_KEY: &[u8] = &[
0x30, 0x82, 0x01, 0x79, 0x02, 0x01, 0x00, 0x04, 0x82, 0x01, 0x00, 0x93, 0x4b, 0xf9, 0x4e, 0x2a,
0xa2, 0x8a, 0x3f, 0x83, 0xc9, 0xf7, 0x92, 0x97, 0x25, 0x02, 0x62, 0xfb, 0xe3, 0x27, 0x6b, 0x5a,
0x1c, 0x91, 0x15, 0x9b, 0xbf, 0xa3, 0xef, 0x89, 0x57, 0xaa, 0xc8, 0x4b, 0x59, 0xb3, 0x0b, 0x45,
0x5a, 0x79, 0xc2, 0x97, 0x34, 0x80, 0x82, 0x3d, 0x8b, 0x38, 0x63, 0xc3, 0xde, 0xef, 0x4a, 0x8e,
0x24, 0x35, 0x90, 0x26, 0x8d, 0x80, 0xe1, 0x87, 0x51, 0xa0, 0xe1, 0x30, 0xf6, 0x7c, 0xe6, 0xa1,
0xac, 0xe9, 0xf7, 0x9b, 0x95, 0xe0, 0x97, 0x47, 0x4f, 0xeb, 0xc9, 0x81, 0x19, 0x5b, 0x1d, 0x13,
0xa6, 0x90, 0x86, 0xc0, 0x86, 0x3f, 0x66, 0xa7, 0xb7, 0xfd, 0xb4, 0x87, 0x92, 0x22, 0x7b, 0x1a,
0xc5, 0xe2, 0x48, 0x9f, 0xeb, 0xdf, 0x08, 0x7a, 0xb5, 0x48, 0x64, 0x83, 0x03, 0x3a, 0x6f, 0x00,
0x1c, 0xa5, 0xd1, 0xec, 0x1e, 0x27, 0xf5, 0xc3, 0x0f, 0x4c, 0xec, 0x26, 0x42, 0x07, 0x4a, 0x39,
0xae, 0x68, 0xae, 0xe5, 0x52, 0xe1, 0x96, 0x62, 0x7a, 0x8e, 0x3d, 0x86, 0x7e, 0x67, 0xa8, 0xc0,
0x1b, 0x11, 0xe7, 0x5f, 0x13, 0xcc, 0xa0, 0xa9, 0x7a, 0xb6, 0x68, 0xb5, 0x0c, 0xda, 0x07, 0xa8,
0xec, 0xb7, 0xcd, 0x8e, 0x3d, 0xd7, 0x00, 0x9c, 0x96, 0x36, 0x53, 0x4f, 0x6f, 0x23, 0x9c, 0xff,
0xe1, 0xfc, 0x8d, 0xaa, 0x46, 0x6f, 0x78, 0xb6, 0x76, 0xc7, 0x11, 0x9e, 0xfb, 0x96, 0xbc, 0xe4,
0xe6, 0x9c, 0xa2, 0xa2, 0x5d, 0x0b, 0x34, 0xed, 0x9c, 0x3f, 0xf9, 0x99, 0xb8, 0x01, 0x59, 0x7d,
0x52, 0x20, 0xe3, 0x07, 0xea, 0xa5, 0xbe, 0xe5, 0x07, 0xfb, 0x94, 0xd1, 0xfa, 0x69, 0xf9, 0xe5,
0x19, 0xb2, 0xde, 0x31, 0x5b, 0xac, 0x92, 0xc3, 0x6f, 0x2e, 0xa1, 0xfa, 0x1d, 0xf4, 0x47, 0x8c,
0x0d, 0xde, 0xde, 0xae, 0x8c, 0x70, 0xe0, 0x23, 0x3c, 0xd0, 0x98, 0x04, 0x0c, 0xd7, 0x96, 0xb0,
0x2c, 0x37, 0x0f, 0x1f, 0xa4, 0xcc, 0x01, 0x24, 0xf1, 0x30, 0x2e, 0x02, 0x01, 0x03, 0x30, 0x29,
0xa1, 0x08, 0x31, 0x06, 0x02, 0x01, 0x00, 0x02, 0x01, 0x01, 0xa2, 0x03, 0x02, 0x01, 0x20, 0xa3,
0x04, 0x02, 0x02, 0x01, 0x00, 0xa4, 0x05, 0x31, 0x03, 0x02, 0x01, 0x01, 0xa6, 0x05, 0x31, 0x03,
0x02, 0x01, 0x40, 0xbf, 0x83, 0x77, 0x02, 0x05, 0x00, 0x04, 0x20, 0xcc, 0xd5, 0x40, 0x85, 0x5f,
0x83, 0x3a, 0x5e, 0x14, 0x80, 0xbf, 0xd2, 0xd3, 0x6f, 0xaf, 0x3a, 0xee, 0xe1, 0x5d, 0xf5, 0xbe,
0xab, 0xe2, 0x69, 0x1b, 0xc8, 0x2d, 0xde, 0x2a, 0x7a, 0xa9, 0x10, 0x04, 0x10, 0x64, 0xc9, 0xf6,
0x89, 0xc6, 0x0f, 0xf6, 0x22, 0x3a, 0xb6, 0xe6, 0x99, 0x9e, 0x0e, 0xb6, 0xe5,
];
/// To map Keystore errors.
#[derive(thiserror::Error, Debug, Eq, PartialEq)]
pub enum Error {
/// Keystore2 error code
#[error("ResponseCode {0:?}")]
Rc(ResponseCode),
/// Keymint error code
#[error("ErrorCode {0:?}")]
Km(ErrorCode),
/// Exception
#[error("Binder exception {0:?}")]
Binder(ExceptionCode),
/// This is returned if the C implementation of extractSubjectFromCertificate failed.
#[error("Failed to validate certificate chain.")]
ValidateCertChainFailed,
/// Error code to indicate error in ASN.1 DER-encoded data creation.
#[error("Failed to create and encode ASN.1 data.")]
DerEncodeFailed,
/// Error code to indicate error while using keystore-engine API.
#[error("Failed to perform crypto op using keystore-engine APIs.")]
Keystore2EngineOpFailed,
/// Error code to indicate error in attestation-id validation.
#[error("Failed to validate attestation-id.")]
ValidateAttestIdFailed,
/// Error code to indicate error in getting value from attest record.
#[error("Failed to get value from attest record.")]
AttestRecordGetValueFailed,
}
/// Keystore2 error mapping.
pub fn map_ks_error<T>(r: BinderResult<T>) -> Result<T, Error> {
r.map_err(|s| {
match s.exception_code() {
ExceptionCode::SERVICE_SPECIFIC => {
match s.service_specific_error() {
se if se < 0 => {
// Negative service specific errors are KM error codes.
Error::Km(ErrorCode(se))
}
se => {
// Positive service specific errors are KS response codes.
Error::Rc(ResponseCode(se))
}
}
}
// We create `Error::Binder` to preserve the exception code
// for logging.
e_code => Error::Binder(e_code),
}
})
}
/// Verify that given key param is listed in given authorizations list.
pub fn check_key_param(authorizations: &[Authorization], key_param: &KeyParameter) -> bool {
authorizations.iter().any(|auth| &auth.keyParameter == key_param)
}
fn check_key_authorizations(authorizations: &[Authorization], expected_params: &[KeyParameter]) {
// Make sure key authorizations contains only `ALLOWED_TAGS_IN_KEY_AUTHS`
authorizations.iter().all(|auth| {
assert!(
ALLOWED_TAGS_IN_KEY_AUTHS.contains(&auth.keyParameter.tag),
"key authorization is not allowed: {:#?}",
auth.keyParameter
);
true
});
//Check allowed-expected-key-parameters are present in given key authorizations list.
expected_params.iter().all(|key_param| {
if ALLOWED_TAGS_IN_KEY_AUTHS.contains(&key_param.tag) {
assert!(
check_key_param(authorizations, key_param),
"Key parameter not found: {:#?}",
key_param
);
}
true
});
}
/// Generate EC Key using given security level and domain with below key parameters and
/// optionally allow the generated key to be attested with factory provisioned attest key using
/// given challenge and application id -
/// Purposes: SIGN and VERIFY
/// Digest: SHA_2_256
/// Curve: P_256
pub fn generate_ec_p256_signing_key(
sec_level: &binder::Strong<dyn IKeystoreSecurityLevel>,
domain: Domain,
nspace: i64,
alias: Option<String>,
att_challenge: Option<&[u8]>,
) -> binder::Result<KeyMetadata> {
let mut key_attest = false;
let mut gen_params = AuthSetBuilder::new()
.no_auth_required()
.algorithm(Algorithm::EC)
.purpose(KeyPurpose::SIGN)
.purpose(KeyPurpose::VERIFY)
.digest(Digest::SHA_2_256)
.ec_curve(EcCurve::P_256);
if let Some(challenge) = att_challenge {
key_attest = true;
gen_params = gen_params.clone().attestation_challenge(challenge.to_vec());
}
match sec_level.generateKey(
&KeyDescriptor { domain, nspace, alias, blob: None },
None,
&gen_params,
0,
b"entropy",
) {
Ok(key_metadata) => {
assert!(key_metadata.certificate.is_some());
if key_attest {
assert!(key_metadata.certificateChain.is_some());
}
if domain == Domain::BLOB {
assert!(key_metadata.key.blob.is_some());
}
check_key_authorizations(&key_metadata.authorizations, &gen_params);
Ok(key_metadata)
}
Err(e) => Err(e),
}
}
/// Generate EC signing key.
pub fn generate_ec_key(
sec_level: &binder::Strong<dyn IKeystoreSecurityLevel>,
domain: Domain,
nspace: i64,
alias: Option<String>,
ec_curve: EcCurve,
digest: Digest,
) -> binder::Result<KeyMetadata> {
let gen_params = AuthSetBuilder::new()
.no_auth_required()
.algorithm(Algorithm::EC)
.purpose(KeyPurpose::SIGN)
.purpose(KeyPurpose::VERIFY)
.digest(digest)
.ec_curve(ec_curve);
let key_metadata = sec_level.generateKey(
&KeyDescriptor { domain, nspace, alias, blob: None },
None,
&gen_params,
0,
b"entropy",
)?;
// Must have a public key.
assert!(key_metadata.certificate.is_some());
// Should not have an attestation record.
assert!(key_metadata.certificateChain.is_none());
if domain == Domain::BLOB {
assert!(key_metadata.key.blob.is_some());
} else {
assert!(key_metadata.key.blob.is_none());
}
check_key_authorizations(&key_metadata.authorizations, &gen_params);
Ok(key_metadata)
}
/// Generate a RSA key with the given key parameters, alias, domain and namespace.
pub fn generate_rsa_key(
sec_level: &binder::Strong<dyn IKeystoreSecurityLevel>,
domain: Domain,
nspace: i64,
alias: Option<String>,
key_params: &KeyParams,
attest_key: Option<&KeyDescriptor>,
) -> binder::Result<KeyMetadata> {
let mut gen_params = AuthSetBuilder::new()
.no_auth_required()
.algorithm(Algorithm::RSA)
.rsa_public_exponent(65537)
.key_size(key_params.key_size);
for purpose in &key_params.purpose {
gen_params = gen_params.purpose(*purpose);
}
if let Some(value) = key_params.digest {
gen_params = gen_params.digest(value)
}
if let Some(value) = key_params.padding {
gen_params = gen_params.padding_mode(value);
}
if let Some(value) = key_params.mgf_digest {
gen_params = gen_params.mgf_digest(value);
}
if let Some(value) = key_params.block_mode {
gen_params = gen_params.block_mode(value)
}
if let Some(value) = &key_params.att_challenge {
gen_params = gen_params.attestation_challenge(value.to_vec())
}
let key_metadata = sec_level.generateKey(
&KeyDescriptor { domain, nspace, alias, blob: None },
attest_key,
&gen_params,
0,
b"entropy",
)?;
// Must have a public key.
assert!(key_metadata.certificate.is_some());
if attest_key.is_none() && key_params.att_challenge.is_some() {
// Should have an attestation record.
assert!(key_metadata.certificateChain.is_some());
} else {
// Should not have an attestation record.
assert!(key_metadata.certificateChain.is_none());
}
assert!(
(domain == Domain::BLOB && key_metadata.key.blob.is_some())
|| key_metadata.key.blob.is_none()
);
check_key_authorizations(&key_metadata.authorizations, &gen_params);
// If `RSA_OAEP_MGF_DIGEST` tag is not mentioned explicitly while generating/importing a key,
// then make sure `RSA_OAEP_MGF_DIGEST` tag with default value (SHA1) must not be included in
// key authorization list.
if key_params.mgf_digest.is_none() {
assert!(!check_key_param(
&key_metadata.authorizations,
&KeyParameter {
tag: Tag::RSA_OAEP_MGF_DIGEST,
value: KeyParameterValue::Digest(Digest::SHA1)
}
));
}
Ok(key_metadata)
}
/// Generate AES/3DES key.
pub fn generate_sym_key(
sec_level: &binder::Strong<dyn IKeystoreSecurityLevel>,
algorithm: Algorithm,
size: i32,
alias: &str,
padding_mode: &PaddingMode,
block_mode: &BlockMode,
min_mac_len: Option<i32>,
) -> binder::Result<KeyMetadata> {
let mut gen_params = AuthSetBuilder::new()
.no_auth_required()
.algorithm(algorithm)
.purpose(KeyPurpose::ENCRYPT)
.purpose(KeyPurpose::DECRYPT)
.key_size(size)
.padding_mode(*padding_mode)
.block_mode(*block_mode);
if let Some(val) = min_mac_len {
gen_params = gen_params.min_mac_length(val);
}
let key_metadata = sec_level.generateKey(
&KeyDescriptor {
domain: Domain::APP,
nspace: -1,
alias: Some(alias.to_string()),
blob: None,
},
None,
&gen_params,
0,
b"entropy",
)?;
// Should not have public certificate.
assert!(key_metadata.certificate.is_none());
// Should not have an attestation record.
assert!(key_metadata.certificateChain.is_none());
check_key_authorizations(&key_metadata.authorizations, &gen_params);
Ok(key_metadata)
}
/// Generate HMAC key.
pub fn generate_hmac_key(
sec_level: &binder::Strong<dyn IKeystoreSecurityLevel>,
alias: &str,
key_size: i32,
min_mac_len: i32,
digest: Digest,
) -> binder::Result<KeyMetadata> {
let gen_params = AuthSetBuilder::new()
.no_auth_required()
.algorithm(Algorithm::HMAC)
.purpose(KeyPurpose::SIGN)
.purpose(KeyPurpose::VERIFY)
.key_size(key_size)
.min_mac_length(min_mac_len)
.digest(digest);
let key_metadata = sec_level.generateKey(
&KeyDescriptor {
domain: Domain::APP,
nspace: -1,
alias: Some(alias.to_string()),
blob: None,
},
None,
&gen_params,
0,
b"entropy",
)?;
// Should not have public certificate.
assert!(key_metadata.certificate.is_none());
// Should not have an attestation record.
assert!(key_metadata.certificateChain.is_none());
check_key_authorizations(&key_metadata.authorizations, &gen_params);
Ok(key_metadata)
}
/// Generate RSA or EC attestation keys using below parameters -
/// Purpose: ATTEST_KEY
/// Digest: Digest::SHA_2_256
/// Padding: PaddingMode::RSA_PKCS1_1_5_SIGN
/// RSA-Key-Size: 2048
/// EC-Curve: EcCurve::P_256
pub fn generate_attestation_key(
sec_level: &binder::Strong<dyn IKeystoreSecurityLevel>,
algorithm: Algorithm,
att_challenge: &[u8],
) -> binder::Result<KeyMetadata> {
assert!(algorithm == Algorithm::RSA || algorithm == Algorithm::EC);
if algorithm == Algorithm::RSA {
let alias = "ks_rsa_attest_test_key";
let metadata = generate_rsa_key(
sec_level,
Domain::APP,
-1,
Some(alias.to_string()),
&KeyParams {
key_size: 2048,
purpose: vec![KeyPurpose::ATTEST_KEY],
padding: Some(PaddingMode::RSA_PKCS1_1_5_SIGN),
digest: Some(Digest::SHA_2_256),
mgf_digest: None,
block_mode: None,
att_challenge: Some(att_challenge.to_vec()),
},
None,
)
.unwrap();
Ok(metadata)
} else {
let metadata = generate_ec_attestation_key(
sec_level,
att_challenge,
Digest::SHA_2_256,
EcCurve::P_256,
)
.unwrap();
Ok(metadata)
}
}
/// Generate EC attestation key with the given
/// curve, attestation-challenge and attestation-app-id.
pub fn generate_ec_attestation_key(
sec_level: &binder::Strong<dyn IKeystoreSecurityLevel>,
att_challenge: &[u8],
digest: Digest,
ec_curve: EcCurve,
) -> binder::Result<KeyMetadata> {
let alias = "ks_attest_ec_test_key";
let gen_params = AuthSetBuilder::new()
.no_auth_required()
.algorithm(Algorithm::EC)
.purpose(KeyPurpose::ATTEST_KEY)
.ec_curve(ec_curve)
.digest(digest)
.attestation_challenge(att_challenge.to_vec());
let attestation_key_metadata = sec_level.generateKey(
&KeyDescriptor {
domain: Domain::APP,
nspace: -1,
alias: Some(alias.to_string()),
blob: None,
},
None,
&gen_params,
0,
b"entropy",
)?;
// Should have public certificate.
assert!(attestation_key_metadata.certificate.is_some());
// Should have an attestation record.
assert!(attestation_key_metadata.certificateChain.is_some());
check_key_authorizations(&attestation_key_metadata.authorizations, &gen_params);
Ok(attestation_key_metadata)
}
/// Generate EC-P-256 key and attest it with given attestation key.
pub fn generate_ec_256_attested_key(
sec_level: &binder::Strong<dyn IKeystoreSecurityLevel>,
alias: Option<String>,
att_challenge: &[u8],
attest_key: &KeyDescriptor,
) -> binder::Result<KeyMetadata> {
let ec_gen_params = AuthSetBuilder::new()
.no_auth_required()
.algorithm(Algorithm::EC)
.purpose(KeyPurpose::SIGN)
.purpose(KeyPurpose::VERIFY)
.digest(Digest::SHA_2_256)
.ec_curve(EcCurve::P_256)
.attestation_challenge(att_challenge.to_vec());
let ec_key_metadata = sec_level
.generateKey(
&KeyDescriptor { domain: Domain::APP, nspace: -1, alias, blob: None },
Some(attest_key),
&ec_gen_params,
0,
b"entropy",
)
.unwrap();
// Should have public certificate.
assert!(ec_key_metadata.certificate.is_some());
// Shouldn't have an attestation record.
assert!(ec_key_metadata.certificateChain.is_none());
check_key_authorizations(&ec_key_metadata.authorizations, &ec_gen_params);
Ok(ec_key_metadata)
}
/// Imports above defined RSA key - `RSA_2048_KEY` and validates imported key parameters.
pub fn import_rsa_2048_key(
sec_level: &binder::Strong<dyn IKeystoreSecurityLevel>,
domain: Domain,
nspace: i64,
alias: Option<String>,
import_params: AuthSetBuilder,
) -> binder::Result<KeyMetadata> {
let key_metadata = sec_level
.importKey(
&KeyDescriptor { domain, nspace, alias, blob: None },
None,
&import_params,
0,
RSA_2048_KEY,
)
.unwrap();
assert!(key_metadata.certificate.is_some());
assert!(key_metadata.certificateChain.is_none());
check_key_authorizations(&key_metadata.authorizations, &import_params);
// Check below auths explicitly, they might not be addd in import parameters.
assert!(check_key_param(
&key_metadata.authorizations,
&KeyParameter { tag: Tag::ALGORITHM, value: KeyParameterValue::Algorithm(Algorithm::RSA) }
));
assert!(check_key_param(
&key_metadata.authorizations,
&KeyParameter { tag: Tag::KEY_SIZE, value: KeyParameterValue::Integer(2048) }
));
assert!(check_key_param(
&key_metadata.authorizations,
&KeyParameter { tag: Tag::DIGEST, value: KeyParameterValue::Digest(Digest::SHA_2_256) }
));
assert!(check_key_param(
&key_metadata.authorizations,
&KeyParameter {
tag: Tag::RSA_PUBLIC_EXPONENT,
value: KeyParameterValue::LongInteger(65537)
}
));
assert!(check_key_param(
&key_metadata.authorizations,
&KeyParameter {
tag: Tag::PADDING,
value: KeyParameterValue::PaddingMode(PaddingMode::RSA_PSS)
}
));
assert!(check_key_param(
&key_metadata.authorizations,
&KeyParameter { tag: Tag::ORIGIN, value: KeyParameterValue::Origin(KeyOrigin::IMPORTED) }
));
Ok(key_metadata)
}
/// Imports above defined EC key - `EC_P_256_KEY` and validates imported key parameters.
pub fn import_ec_p_256_key(
sec_level: &binder::Strong<dyn IKeystoreSecurityLevel>,
domain: Domain,
nspace: i64,
alias: Option<String>,
import_params: AuthSetBuilder,
) -> binder::Result<KeyMetadata> {
let key_metadata = sec_level
.importKey(
&KeyDescriptor { domain, nspace, alias, blob: None },
None,
&import_params,
0,
EC_P_256_KEY,
)
.unwrap();
assert!(key_metadata.certificate.is_some());
assert!(key_metadata.certificateChain.is_none());
check_key_authorizations(&key_metadata.authorizations, &import_params);
// Check below auths explicitly, they might not be addd in import parameters.
assert!(check_key_param(
&key_metadata.authorizations,
&KeyParameter { tag: Tag::ALGORITHM, value: KeyParameterValue::Algorithm(Algorithm::EC) }
));
assert!(check_key_param(
&key_metadata.authorizations,
&KeyParameter { tag: Tag::EC_CURVE, value: KeyParameterValue::EcCurve(EcCurve::P_256) }
));
assert!(check_key_param(
&key_metadata.authorizations,
&KeyParameter { tag: Tag::DIGEST, value: KeyParameterValue::Digest(Digest::SHA_2_256) }
));
assert!(check_key_param(
&key_metadata.authorizations,
&KeyParameter { tag: Tag::ORIGIN, value: KeyParameterValue::Origin(KeyOrigin::IMPORTED) }
));
Ok(key_metadata)
}
/// Import sample AES key and validate its key parameters.
pub fn import_aes_key(
sec_level: &binder::Strong<dyn IKeystoreSecurityLevel>,
domain: Domain,
nspace: i64,
alias: Option<String>,
) -> binder::Result<KeyMetadata> {
static AES_KEY: &[u8] = &[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0];
let key_size = AES_KEY.len() * 8;
let import_params = AuthSetBuilder::new()
.no_auth_required()
.algorithm(Algorithm::AES)
.block_mode(BlockMode::ECB)
.key_size(key_size.try_into().unwrap())
.purpose(KeyPurpose::ENCRYPT)
.purpose(KeyPurpose::DECRYPT)
.padding_mode(PaddingMode::PKCS7);
let key_metadata = sec_level.importKey(
&KeyDescriptor { domain, nspace, alias, blob: None },
None,
&import_params,
0,
AES_KEY,
)?;
check_key_authorizations(&key_metadata.authorizations, &import_params);
// Check below auths explicitly, they might not be addd in import parameters.
assert!(check_key_param(
&key_metadata.authorizations,
&KeyParameter { tag: Tag::ALGORITHM, value: KeyParameterValue::Algorithm(Algorithm::AES) }
));
assert!(check_key_param(
&key_metadata.authorizations,
&KeyParameter { tag: Tag::KEY_SIZE, value: KeyParameterValue::Integer(128) }
));
assert!(check_key_param(
&key_metadata.authorizations,
&KeyParameter {
tag: Tag::PADDING,
value: KeyParameterValue::PaddingMode(PaddingMode::PKCS7)
}
));
assert!(check_key_param(
&key_metadata.authorizations,
&KeyParameter { tag: Tag::BLOCK_MODE, value: KeyParameterValue::BlockMode(BlockMode::ECB) }
));
assert!(check_key_param(
&key_metadata.authorizations,
&KeyParameter { tag: Tag::ORIGIN, value: KeyParameterValue::Origin(KeyOrigin::IMPORTED) }
));
Ok(key_metadata)
}
/// Import sample 3DES key and validate its key parameters.
pub fn import_3des_key(
sec_level: &binder::Strong<dyn IKeystoreSecurityLevel>,
domain: Domain,
nspace: i64,
alias: Option<String>,
) -> binder::Result<KeyMetadata> {
static TRIPLE_DES_KEY: &[u8] = &[
0xa4, 0x9d, 0x75, 0x64, 0x19, 0x9e, 0x97, 0xcb, 0x52, 0x9d, 0x2c, 0x9d, 0x97, 0xbf, 0x2f,
0x98, 0xd3, 0x5e, 0xdf, 0x57, 0xba, 0x1f, 0x73, 0x58,
];
let import_params = AuthSetBuilder::new()
.no_auth_required()
.algorithm(Algorithm::TRIPLE_DES)
.block_mode(BlockMode::ECB)
.key_size(168)
.purpose(KeyPurpose::ENCRYPT)
.purpose(KeyPurpose::DECRYPT)
.padding_mode(PaddingMode::PKCS7);
let key_metadata = sec_level.importKey(
&KeyDescriptor { domain, nspace, alias, blob: None },
None,
&import_params,
0,
TRIPLE_DES_KEY,
)?;
check_key_authorizations(&key_metadata.authorizations, &import_params);
// Check below auths explicitly, they might not be addd in import parameters.
assert!(check_key_param(
&key_metadata.authorizations,
&KeyParameter {
tag: Tag::ALGORITHM,
value: KeyParameterValue::Algorithm(Algorithm::TRIPLE_DES)
}
));
assert!(check_key_param(
&key_metadata.authorizations,
&KeyParameter { tag: Tag::KEY_SIZE, value: KeyParameterValue::Integer(168) }
));
assert!(check_key_param(
&key_metadata.authorizations,
&KeyParameter {
tag: Tag::PADDING,
value: KeyParameterValue::PaddingMode(PaddingMode::PKCS7)
}
));
assert!(check_key_param(
&key_metadata.authorizations,
&KeyParameter { tag: Tag::BLOCK_MODE, value: KeyParameterValue::BlockMode(BlockMode::ECB) }
));
assert!(check_key_param(
&key_metadata.authorizations,
&KeyParameter { tag: Tag::ORIGIN, value: KeyParameterValue::Origin(KeyOrigin::IMPORTED) }
));
Ok(key_metadata)
}
/// Import sample HMAC key and validate its key parameters.
pub fn import_hmac_key(
sec_level: &binder::Strong<dyn IKeystoreSecurityLevel>,
domain: Domain,
nspace: i64,
alias: Option<String>,
) -> binder::Result<KeyMetadata> {
static HMAC_KEY: &[u8] = &[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0];
let key_size = HMAC_KEY.len() * 8;
let import_params = AuthSetBuilder::new()
.no_auth_required()
.algorithm(Algorithm::HMAC)
.key_size(key_size.try_into().unwrap())
.purpose(KeyPurpose::SIGN)
.purpose(KeyPurpose::VERIFY)
.digest(Digest::SHA_2_256)
.min_mac_length(256);
let key_metadata = sec_level.importKey(
&KeyDescriptor { domain, nspace, alias, blob: None },
None,
&import_params,
0,
HMAC_KEY,
)?;
check_key_authorizations(&key_metadata.authorizations, &import_params);
// Check below auths explicitly, they might not be addd in import parameters.
assert!(check_key_param(
&key_metadata.authorizations,
&KeyParameter { tag: Tag::ALGORITHM, value: KeyParameterValue::Algorithm(Algorithm::HMAC) }
));
assert!(check_key_param(
&key_metadata.authorizations,
&KeyParameter { tag: Tag::KEY_SIZE, value: KeyParameterValue::Integer(128) }
));
assert!(check_key_param(
&key_metadata.authorizations,
&KeyParameter { tag: Tag::DIGEST, value: KeyParameterValue::Digest(Digest::SHA_2_256) }
));
assert!(check_key_param(
&key_metadata.authorizations,
&KeyParameter { tag: Tag::ORIGIN, value: KeyParameterValue::Origin(KeyOrigin::IMPORTED) }
));
Ok(key_metadata)
}
/// Imports RSA encryption key with WRAP_KEY purpose.
pub fn import_wrapping_key(
sec_level: &binder::Strong<dyn IKeystoreSecurityLevel>,
wrapping_key_data: &[u8],
wrapping_key_alias: Option<String>,
) -> binder::Result<KeyMetadata> {
let wrapping_key_params = AuthSetBuilder::new()
.no_auth_required()
.algorithm(Algorithm::RSA)
.digest(Digest::SHA_2_256)
.purpose(KeyPurpose::ENCRYPT)
.purpose(KeyPurpose::DECRYPT)
.purpose(KeyPurpose::WRAP_KEY)
.padding_mode(PaddingMode::RSA_OAEP)
.key_size(2048)
.rsa_public_exponent(65537)
.cert_not_before(0)
.cert_not_after(253402300799000);
sec_level.importKey(
&KeyDescriptor { domain: Domain::APP, nspace: -1, alias: wrapping_key_alias, blob: None },
None,
&wrapping_key_params,
0,
wrapping_key_data,
)
}
/// Import wrapped key using given wrapping key.
pub fn import_wrapped_key(
sec_level: &binder::Strong<dyn IKeystoreSecurityLevel>,
alias: Option<String>,
wrapping_key_metadata: &KeyMetadata,
wrapped_key: Option<Vec<u8>>,
) -> binder::Result<KeyMetadata> {
let unwrap_params =
AuthSetBuilder::new().digest(Digest::SHA_2_256).padding_mode(PaddingMode::RSA_OAEP);
let authenticator_spec: &[AuthenticatorSpec] = &[AuthenticatorSpec {
authenticatorType: HardwareAuthenticatorType::NONE,
authenticatorId: 0,
}];
let key_metadata = sec_level.importWrappedKey(
&KeyDescriptor { domain: Domain::APP, nspace: -1, alias, blob: wrapped_key },
&wrapping_key_metadata.key,
None,
&unwrap_params,
authenticator_spec,
)?;
Ok(key_metadata)
}
/// Import wrapping key and then import wrapped key using wrapping key.
pub fn import_wrapping_key_and_wrapped_key(
sec_level: &binder::Strong<dyn IKeystoreSecurityLevel>,
domain: Domain,
nspace: i64,
alias: Option<String>,
wrapping_key_alias: Option<String>,
wrapping_key_params: AuthSetBuilder,
) -> binder::Result<KeyMetadata> {
let wrapping_key_metadata = sec_level.importKey(
&KeyDescriptor { domain, nspace, alias: wrapping_key_alias, blob: None },
None,
&wrapping_key_params,
0,
WRAPPING_KEY,
)?;
import_wrapped_key(sec_level, alias, &wrapping_key_metadata, Some(WRAPPED_KEY.to_vec()))
}
/// Import given key material as AES-256-GCM-NONE transport key.
pub fn import_transport_key(
sec_level: &binder::Strong<dyn IKeystoreSecurityLevel>,
transport_key_alias: Option<String>,
transport_key: &[u8],
) -> binder::Result<KeyMetadata> {
let transport_key_params = AuthSetBuilder::new()
.no_auth_required()
.algorithm(Algorithm::AES)
.block_mode(BlockMode::GCM)
.padding_mode(PaddingMode::NONE)
.key_size(256)
.caller_nonce()
.min_mac_length(128)
.purpose(KeyPurpose::ENCRYPT)
.purpose(KeyPurpose::DECRYPT);
sec_level.importKey(
&KeyDescriptor { domain: Domain::APP, nspace: -1, alias: transport_key_alias, blob: None },
None,
&transport_key_params,
0,
transport_key,
)
}
/// Generate EC key with purpose AGREE_KEY.
pub fn generate_ec_agree_key(
sec_level: &binder::Strong<dyn IKeystoreSecurityLevel>,
ec_curve: EcCurve,
digest: Digest,
domain: Domain,
nspace: i64,
alias: Option<String>,
) -> binder::Result<KeyMetadata> {
let gen_params = AuthSetBuilder::new()
.no_auth_required()
.algorithm(Algorithm::EC)
.purpose(KeyPurpose::AGREE_KEY)
.digest(digest)
.ec_curve(ec_curve);
match sec_level.generateKey(
&KeyDescriptor { domain, nspace, alias, blob: None },
None,
&gen_params,
0,
b"entropy",
) {
Ok(key_metadata) => {
assert!(key_metadata.certificate.is_some());
if domain == Domain::BLOB {
assert!(key_metadata.key.blob.is_some());
}
check_key_authorizations(&key_metadata.authorizations, &gen_params);
Ok(key_metadata)
}
Err(e) => Err(e),
}
}
/// Helper method to import AES keys `total_count` of times.
pub fn import_aes_keys(
sec_level: &binder::Strong<dyn IKeystoreSecurityLevel>,
alias_prefix: String,
total_count: Range<i32>,
) -> binder::Result<HashSet<String>> {
let mut imported_key_aliases = HashSet::new();
// Import Total number of keys with given alias prefix.
for count in total_count {
let mut alias = String::new();
write!(alias, "{}_{}", alias_prefix, count).unwrap();
imported_key_aliases.insert(alias.clone());
import_aes_key(sec_level, Domain::APP, -1, Some(alias))?;
}
Ok(imported_key_aliases)
}
/// Generate attested EC-P_256 key with device id attestation.
pub fn generate_key_with_attest_id(
sec_level: &binder::Strong<dyn IKeystoreSecurityLevel>,
algorithm: Algorithm,
alias: Option<String>,
att_challenge: &[u8],
attest_key: &KeyDescriptor,
attest_id: Tag,
value: Vec<u8>,
) -> binder::Result<KeyMetadata> {
assert!(algorithm == Algorithm::RSA || algorithm == Algorithm::EC);
let mut ec_gen_params;
if algorithm == Algorithm::EC {
ec_gen_params = AuthSetBuilder::new()
.no_auth_required()
.algorithm(Algorithm::EC)
.purpose(KeyPurpose::SIGN)
.purpose(KeyPurpose::VERIFY)
.digest(Digest::SHA_2_256)
.ec_curve(EcCurve::P_256)
.attestation_challenge(att_challenge.to_vec());
} else {
ec_gen_params = AuthSetBuilder::new()
.no_auth_required()
.algorithm(Algorithm::RSA)
.rsa_public_exponent(65537)
.key_size(2048)
.purpose(KeyPurpose::SIGN)
.purpose(KeyPurpose::VERIFY)
.digest(Digest::SHA_2_256)
.padding_mode(PaddingMode::RSA_PKCS1_1_5_SIGN)
.attestation_challenge(att_challenge.to_vec());
}
match attest_id {
Tag::ATTESTATION_ID_BRAND => {
ec_gen_params = ec_gen_params.attestation_device_brand(value);
}
Tag::ATTESTATION_ID_DEVICE => {
ec_gen_params = ec_gen_params.attestation_device_name(value);
}
Tag::ATTESTATION_ID_PRODUCT => {
ec_gen_params = ec_gen_params.attestation_device_product_name(value);
}
Tag::ATTESTATION_ID_SERIAL => {
ec_gen_params = ec_gen_params.attestation_device_serial(value);
}
Tag::ATTESTATION_ID_MANUFACTURER => {
ec_gen_params = ec_gen_params.attestation_device_manufacturer(value);
}
Tag::ATTESTATION_ID_MODEL => {
ec_gen_params = ec_gen_params.attestation_device_model(value);
}
Tag::ATTESTATION_ID_IMEI => {
ec_gen_params = ec_gen_params.attestation_device_imei(value);
}
Tag::ATTESTATION_ID_SECOND_IMEI => {
ec_gen_params = ec_gen_params.attestation_device_second_imei(value);
}
_ => {
panic!("Unknown attestation id");
}
}
sec_level.generateKey(
&KeyDescriptor { domain: Domain::APP, nspace: -1, alias, blob: None },
Some(attest_key),
&ec_gen_params,
0,
b"entropy",
)
}