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/*
* Copyright (C) 2015 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.
*/
package android.security.keymaster;
import android.hardware.security.keymint.Algorithm;
import android.hardware.security.keymint.BlockMode;
import android.hardware.security.keymint.Digest;
import android.hardware.security.keymint.ErrorCode;
import android.hardware.security.keymint.HardwareAuthenticatorType;
import android.hardware.security.keymint.KeyFormat;
import android.hardware.security.keymint.KeyOrigin;
import android.hardware.security.keymint.KeyPurpose;
import android.hardware.security.keymint.PaddingMode;
import android.hardware.security.keymint.SecurityLevel;
import android.hardware.security.keymint.Tag;
import android.hardware.security.keymint.TagType;
import java.util.HashMap;
import java.util.Map;
/**
* Class tracking all the keymaster enum values needed for the binder API to keystore.
* This must be kept in sync with hardware/libhardware/include/hardware/keymaster_defs.h
* See keymaster_defs.h for detailed descriptions of each constant.
* @hide
*/
public final class KeymasterDefs {
private KeymasterDefs() {}
// Tag types.
public static final int KM_INVALID = TagType.INVALID;
public static final int KM_ENUM = TagType.ENUM;
public static final int KM_ENUM_REP = TagType.ENUM_REP;
public static final int KM_UINT = TagType.UINT;
public static final int KM_UINT_REP = TagType.UINT_REP;
public static final int KM_ULONG = TagType.ULONG;
public static final int KM_DATE = TagType.DATE;
public static final int KM_BOOL = TagType.BOOL;
public static final int KM_BIGNUM = TagType.BIGNUM;
public static final int KM_BYTES = TagType.BYTES;
public static final int KM_ULONG_REP = TagType.ULONG_REP;
// Tag values.
public static final int KM_TAG_INVALID = Tag.INVALID; // KM_INVALID | 0;
public static final int KM_TAG_PURPOSE = Tag.PURPOSE; // KM_ENUM_REP | 1;
public static final int KM_TAG_ALGORITHM = Tag.ALGORITHM; // KM_ENUM | 2;
public static final int KM_TAG_KEY_SIZE = Tag.KEY_SIZE; // KM_UINT | 3;
public static final int KM_TAG_BLOCK_MODE = Tag.BLOCK_MODE; // KM_ENUM_REP | 4;
public static final int KM_TAG_DIGEST = Tag.DIGEST; // KM_ENUM_REP | 5;
public static final int KM_TAG_PADDING = Tag.PADDING; // KM_ENUM_REP | 6;
public static final int KM_TAG_CALLER_NONCE = Tag.CALLER_NONCE; // KM_BOOL | 7;
public static final int KM_TAG_MIN_MAC_LENGTH = Tag.MIN_MAC_LENGTH; // KM_UINT | 8;
public static final int KM_TAG_RSA_PUBLIC_EXPONENT = Tag.RSA_PUBLIC_EXPONENT; // KM_ULONG | 200;
public static final int KM_TAG_INCLUDE_UNIQUE_ID = Tag.INCLUDE_UNIQUE_ID; // KM_BOOL | 202;
public static final int KM_TAG_ACTIVE_DATETIME = Tag.ACTIVE_DATETIME; // KM_DATE | 400;
public static final int KM_TAG_ORIGINATION_EXPIRE_DATETIME =
Tag.ORIGINATION_EXPIRE_DATETIME; // KM_DATE | 401;
public static final int KM_TAG_USAGE_EXPIRE_DATETIME =
Tag.USAGE_EXPIRE_DATETIME; // KM_DATE | 402;
public static final int KM_TAG_MIN_SECONDS_BETWEEN_OPS =
Tag.MIN_SECONDS_BETWEEN_OPS; // KM_UINT | 403;
public static final int KM_TAG_MAX_USES_PER_BOOT = Tag.MAX_USES_PER_BOOT; // KM_UINT | 404;
public static final int KM_TAG_USAGE_COUNT_LIMIT = Tag.USAGE_COUNT_LIMIT; // KM_UINT | 405;
public static final int KM_TAG_USER_ID = Tag.USER_ID; // KM_UINT | 501;
public static final int KM_TAG_USER_SECURE_ID = Tag.USER_SECURE_ID; // KM_ULONG_REP | 502;
public static final int KM_TAG_NO_AUTH_REQUIRED = Tag.NO_AUTH_REQUIRED; // KM_BOOL | 503;
public static final int KM_TAG_USER_AUTH_TYPE = Tag.USER_AUTH_TYPE; // KM_ENUM | 504;
public static final int KM_TAG_AUTH_TIMEOUT = Tag.AUTH_TIMEOUT; // KM_UINT | 505;
public static final int KM_TAG_ALLOW_WHILE_ON_BODY = Tag.ALLOW_WHILE_ON_BODY; // KM_BOOL | 506;
public static final int KM_TAG_TRUSTED_USER_PRESENCE_REQUIRED =
Tag.TRUSTED_USER_PRESENCE_REQUIRED; // KM_BOOL | 507;
public static final int KM_TAG_TRUSTED_CONFIRMATION_REQUIRED =
Tag.TRUSTED_CONFIRMATION_REQUIRED; // KM_BOOL | 508;
public static final int KM_TAG_UNLOCKED_DEVICE_REQUIRED =
Tag.UNLOCKED_DEVICE_REQUIRED; // KM_BOOL | 509;
public static final int KM_TAG_APPLICATION_ID = Tag.APPLICATION_ID; // KM_BYTES | 601;
public static final int KM_TAG_CREATION_DATETIME = Tag.CREATION_DATETIME; // KM_DATE | 701;
public static final int KM_TAG_ORIGIN = Tag.ORIGIN; // KM_ENUM | 702;
public static final int KM_TAG_ROLLBACK_RESISTANT = Tag.ROLLBACK_RESISTANCE; // KM_BOOL | 703;
public static final int KM_TAG_ROOT_OF_TRUST = Tag.ROOT_OF_TRUST; // KM_BYTES | 704;
public static final int KM_TAG_UNIQUE_ID = Tag.UNIQUE_ID; // KM_BYTES | 707;
public static final int KM_TAG_ATTESTATION_CHALLENGE =
Tag.ATTESTATION_CHALLENGE; // KM_BYTES | 708;
public static final int KM_TAG_ATTESTATION_ID_BRAND =
Tag.ATTESTATION_ID_BRAND; // KM_BYTES | 710;
public static final int KM_TAG_ATTESTATION_ID_DEVICE =
Tag.ATTESTATION_ID_DEVICE; // KM_BYTES | 711;
public static final int KM_TAG_ATTESTATION_ID_PRODUCT =
Tag.ATTESTATION_ID_PRODUCT; // KM_BYTES | 712;
public static final int KM_TAG_ATTESTATION_ID_SERIAL =
Tag.ATTESTATION_ID_SERIAL; // KM_BYTES | 713;
public static final int KM_TAG_ATTESTATION_ID_IMEI =
Tag.ATTESTATION_ID_IMEI; // KM_BYTES | 714;
public static final int KM_TAG_ATTESTATION_ID_MEID =
Tag.ATTESTATION_ID_MEID; // KM_BYTES | 715;
public static final int KM_TAG_ATTESTATION_ID_MANUFACTURER =
Tag.ATTESTATION_ID_MANUFACTURER; // KM_BYTES | 716;
public static final int KM_TAG_ATTESTATION_ID_MODEL =
Tag.ATTESTATION_ID_MODEL; // KM_BYTES | 717;
public static final int KM_TAG_VENDOR_PATCHLEVEL =
Tag.VENDOR_PATCHLEVEL; // KM_UINT | 718;
public static final int KM_TAG_BOOT_PATCHLEVEL =
Tag.BOOT_PATCHLEVEL; // KM_UINT | 719;
public static final int KM_TAG_DEVICE_UNIQUE_ATTESTATION =
Tag.DEVICE_UNIQUE_ATTESTATION; // KM_BOOL | 720;
public static final int KM_TAG_ASSOCIATED_DATA = Tag.ASSOCIATED_DATA; // KM_BYTES | 1000;
public static final int KM_TAG_NONCE = Tag.NONCE; // KM_BYTES | 1001;
public static final int KM_TAG_MAC_LENGTH = Tag.MAC_LENGTH; // KM_UINT | 1003;
public static final int KM_TAG_RESET_SINCE_ID_ROTATION =
Tag.RESET_SINCE_ID_ROTATION; // KM_BOOL | 1004
public static final int KM_TAG_CONFIRMATION_TOKEN = Tag.CONFIRMATION_TOKEN; // KM_BYTES | 1005;
public static final int KM_TAG_CERTIFICATE_SERIAL = Tag.CERTIFICATE_SERIAL; // KM_UINT | 1006;
public static final int KM_TAG_CERTIFICATE_SUBJECT = Tag.CERTIFICATE_SUBJECT; // KM_UINT | 1007;
public static final int KM_TAG_CERTIFICATE_NOT_BEFORE =
Tag.CERTIFICATE_NOT_BEFORE; // KM_DATE | 1008;
public static final int KM_TAG_CERTIFICATE_NOT_AFTER =
Tag.CERTIFICATE_NOT_AFTER; // KM_DATE | 1009;
// Algorithm values.
public static final int KM_ALGORITHM_RSA = Algorithm.RSA;
public static final int KM_ALGORITHM_EC = Algorithm.EC;
public static final int KM_ALGORITHM_AES = Algorithm.AES;
public static final int KM_ALGORITHM_3DES = Algorithm.TRIPLE_DES;
public static final int KM_ALGORITHM_HMAC = Algorithm.HMAC;
// Block modes.
public static final int KM_MODE_ECB = BlockMode.ECB;
public static final int KM_MODE_CBC = BlockMode.CBC;
public static final int KM_MODE_CTR = BlockMode.CTR;
public static final int KM_MODE_GCM = BlockMode.GCM;
// Padding modes.
public static final int KM_PAD_NONE = PaddingMode.NONE;
public static final int KM_PAD_RSA_OAEP = PaddingMode.RSA_OAEP;
public static final int KM_PAD_RSA_PSS = PaddingMode.RSA_PSS;
public static final int KM_PAD_RSA_PKCS1_1_5_ENCRYPT = PaddingMode.RSA_PKCS1_1_5_ENCRYPT;
public static final int KM_PAD_RSA_PKCS1_1_5_SIGN = PaddingMode.RSA_PKCS1_1_5_SIGN;
public static final int KM_PAD_PKCS7 = PaddingMode.PKCS7;
// Digest modes.
public static final int KM_DIGEST_NONE = Digest.NONE;
public static final int KM_DIGEST_MD5 = Digest.MD5;
public static final int KM_DIGEST_SHA1 = Digest.SHA1;
public static final int KM_DIGEST_SHA_2_224 = Digest.SHA_2_224;
public static final int KM_DIGEST_SHA_2_256 = Digest.SHA_2_256;
public static final int KM_DIGEST_SHA_2_384 = Digest.SHA_2_384;
public static final int KM_DIGEST_SHA_2_512 = Digest.SHA_2_512;
// Key origins.
public static final int KM_ORIGIN_GENERATED = KeyOrigin.GENERATED;
public static final int KM_ORIGIN_DERIVED = KeyOrigin.DERIVED;
public static final int KM_ORIGIN_IMPORTED = KeyOrigin.IMPORTED;
public static final int KM_ORIGIN_UNKNOWN = KeyOrigin.RESERVED;
public static final int KM_ORIGIN_SECURELY_IMPORTED = KeyOrigin.SECURELY_IMPORTED;
// Key usability requirements.
public static final int KM_BLOB_STANDALONE = 0;
public static final int KM_BLOB_REQUIRES_FILE_SYSTEM = 1;
// Operation Purposes.
public static final int KM_PURPOSE_ENCRYPT = KeyPurpose.ENCRYPT;
public static final int KM_PURPOSE_DECRYPT = KeyPurpose.DECRYPT;
public static final int KM_PURPOSE_SIGN = KeyPurpose.SIGN;
public static final int KM_PURPOSE_VERIFY = KeyPurpose.VERIFY;
public static final int KM_PURPOSE_WRAP = KeyPurpose.WRAP_KEY;
public static final int KM_PURPOSE_AGREE_KEY = KeyPurpose.AGREE_KEY;
public static final int KM_PURPOSE_ATTEST_KEY = KeyPurpose.ATTEST_KEY;
// Key formats.
public static final int KM_KEY_FORMAT_X509 = KeyFormat.X509;
public static final int KM_KEY_FORMAT_PKCS8 = KeyFormat.PKCS8;
public static final int KM_KEY_FORMAT_RAW = KeyFormat.RAW;
// User authenticators.
public static final int HW_AUTH_PASSWORD = HardwareAuthenticatorType.PASSWORD;
public static final int HW_AUTH_BIOMETRIC = HardwareAuthenticatorType.FINGERPRINT;
// Security Levels.
public static final int KM_SECURITY_LEVEL_SOFTWARE = SecurityLevel.SOFTWARE;
public static final int KM_SECURITY_LEVEL_TRUSTED_ENVIRONMENT =
SecurityLevel.TRUSTED_ENVIRONMENT;
public static final int KM_SECURITY_LEVEL_STRONGBOX = SecurityLevel.STRONGBOX;
// Error codes.
public static final int KM_ERROR_OK = ErrorCode.OK;
public static final int KM_ERROR_ROOT_OF_TRUST_ALREADY_SET =
ErrorCode.ROOT_OF_TRUST_ALREADY_SET; // -1;
public static final int KM_ERROR_UNSUPPORTED_PURPOSE =
ErrorCode.UNSUPPORTED_PURPOSE; // -2;
public static final int KM_ERROR_INCOMPATIBLE_PURPOSE =
ErrorCode.INCOMPATIBLE_PURPOSE; // -3;
public static final int KM_ERROR_UNSUPPORTED_ALGORITHM =
ErrorCode.UNSUPPORTED_ALGORITHM; // -4;
public static final int KM_ERROR_INCOMPATIBLE_ALGORITHM =
ErrorCode.INCOMPATIBLE_ALGORITHM; // -5;
public static final int KM_ERROR_UNSUPPORTED_KEY_SIZE =
ErrorCode.UNSUPPORTED_KEY_SIZE; // -6;
public static final int KM_ERROR_UNSUPPORTED_BLOCK_MODE =
ErrorCode.UNSUPPORTED_BLOCK_MODE; // -7;
public static final int KM_ERROR_INCOMPATIBLE_BLOCK_MODE =
ErrorCode.INCOMPATIBLE_BLOCK_MODE; // -8;
public static final int KM_ERROR_UNSUPPORTED_MAC_LENGTH =
ErrorCode.UNSUPPORTED_MAC_LENGTH; // -9;
public static final int KM_ERROR_UNSUPPORTED_PADDING_MODE =
ErrorCode.UNSUPPORTED_PADDING_MODE; // -10;
public static final int KM_ERROR_INCOMPATIBLE_PADDING_MODE =
ErrorCode.INCOMPATIBLE_PADDING_MODE; // -11;
public static final int KM_ERROR_UNSUPPORTED_DIGEST =
ErrorCode.UNSUPPORTED_DIGEST; // -12;
public static final int KM_ERROR_INCOMPATIBLE_DIGEST =
ErrorCode.INCOMPATIBLE_DIGEST; // -13;
public static final int KM_ERROR_INVALID_EXPIRATION_TIME =
ErrorCode.INVALID_EXPIRATION_TIME; // -14;
public static final int KM_ERROR_INVALID_USER_ID =
ErrorCode.INVALID_USER_ID; // -15;
public static final int KM_ERROR_INVALID_AUTHORIZATION_TIMEOUT =
ErrorCode.INVALID_AUTHORIZATION_TIMEOUT; // -16;
public static final int KM_ERROR_UNSUPPORTED_KEY_FORMAT =
ErrorCode.UNSUPPORTED_KEY_FORMAT; // -17;
public static final int KM_ERROR_INCOMPATIBLE_KEY_FORMAT =
ErrorCode.INCOMPATIBLE_KEY_FORMAT; // -18;
public static final int KM_ERROR_UNSUPPORTED_KEY_ENCRYPTION_ALGORITHM =
ErrorCode.UNSUPPORTED_KEY_ENCRYPTION_ALGORITHM; // -19;
public static final int KM_ERROR_UNSUPPORTED_KEY_VERIFICATION_ALGORITHM =
ErrorCode.UNSUPPORTED_KEY_VERIFICATION_ALGORITHM; // -20;
public static final int KM_ERROR_INVALID_INPUT_LENGTH =
ErrorCode.INVALID_INPUT_LENGTH; // -21;
public static final int KM_ERROR_KEY_EXPORT_OPTIONS_INVALID =
ErrorCode.KEY_EXPORT_OPTIONS_INVALID; // -22;
public static final int KM_ERROR_DELEGATION_NOT_ALLOWED =
ErrorCode.DELEGATION_NOT_ALLOWED; // -23;
public static final int KM_ERROR_KEY_NOT_YET_VALID =
ErrorCode.KEY_NOT_YET_VALID; // -24;
public static final int KM_ERROR_KEY_EXPIRED =
ErrorCode.KEY_EXPIRED; // -25;
public static final int KM_ERROR_KEY_USER_NOT_AUTHENTICATED =
ErrorCode.KEY_USER_NOT_AUTHENTICATED; // -26;
public static final int KM_ERROR_OUTPUT_PARAMETER_NULL =
ErrorCode.OUTPUT_PARAMETER_NULL; // -27;
public static final int KM_ERROR_INVALID_OPERATION_HANDLE =
ErrorCode.INVALID_OPERATION_HANDLE; // -28;
public static final int KM_ERROR_INSUFFICIENT_BUFFER_SPACE =
ErrorCode.INSUFFICIENT_BUFFER_SPACE; // -29;
public static final int KM_ERROR_VERIFICATION_FAILED =
ErrorCode.VERIFICATION_FAILED; // -30;
public static final int KM_ERROR_TOO_MANY_OPERATIONS =
ErrorCode.TOO_MANY_OPERATIONS; // -31;
public static final int KM_ERROR_UNEXPECTED_NULL_POINTER =
ErrorCode.UNEXPECTED_NULL_POINTER; // -32;
public static final int KM_ERROR_INVALID_KEY_BLOB =
ErrorCode.INVALID_KEY_BLOB; // -33;
public static final int KM_ERROR_IMPORTED_KEY_NOT_ENCRYPTED =
ErrorCode.IMPORTED_KEY_NOT_ENCRYPTED; // -34;
public static final int KM_ERROR_IMPORTED_KEY_DECRYPTION_FAILED =
ErrorCode.IMPORTED_KEY_DECRYPTION_FAILED; // -35;
public static final int KM_ERROR_IMPORTED_KEY_NOT_SIGNED =
ErrorCode.IMPORTED_KEY_NOT_SIGNED; // -36;
public static final int KM_ERROR_IMPORTED_KEY_VERIFICATION_FAILED =
ErrorCode.IMPORTED_KEY_VERIFICATION_FAILED; // -37;
public static final int KM_ERROR_INVALID_ARGUMENT =
ErrorCode.INVALID_ARGUMENT; // -38;
public static final int KM_ERROR_UNSUPPORTED_TAG =
ErrorCode.UNSUPPORTED_TAG; // -39;
public static final int KM_ERROR_INVALID_TAG =
ErrorCode.INVALID_TAG; // -40;
public static final int KM_ERROR_MEMORY_ALLOCATION_FAILED =
ErrorCode.MEMORY_ALLOCATION_FAILED; // -41;
public static final int KM_ERROR_IMPORT_PARAMETER_MISMATCH =
ErrorCode.IMPORT_PARAMETER_MISMATCH; // -44;
public static final int KM_ERROR_SECURE_HW_ACCESS_DENIED =
ErrorCode.SECURE_HW_ACCESS_DENIED; // -45;
public static final int KM_ERROR_OPERATION_CANCELLED =
ErrorCode.OPERATION_CANCELLED; // -46;
public static final int KM_ERROR_CONCURRENT_ACCESS_CONFLICT =
ErrorCode.CONCURRENT_ACCESS_CONFLICT; // -47;
public static final int KM_ERROR_SECURE_HW_BUSY =
ErrorCode.SECURE_HW_BUSY; // -48;
public static final int KM_ERROR_SECURE_HW_COMMUNICATION_FAILED =
ErrorCode.SECURE_HW_COMMUNICATION_FAILED; // -49;
public static final int KM_ERROR_UNSUPPORTED_EC_FIELD =
ErrorCode.UNSUPPORTED_EC_FIELD; // -50;
public static final int KM_ERROR_MISSING_NONCE =
ErrorCode.MISSING_NONCE; // -51;
public static final int KM_ERROR_INVALID_NONCE =
ErrorCode.INVALID_NONCE; // -52;
public static final int KM_ERROR_MISSING_MAC_LENGTH =
ErrorCode.MISSING_MAC_LENGTH; // -53;
public static final int KM_ERROR_KEY_RATE_LIMIT_EXCEEDED =
ErrorCode.KEY_RATE_LIMIT_EXCEEDED; // -54;
public static final int KM_ERROR_CALLER_NONCE_PROHIBITED =
ErrorCode.CALLER_NONCE_PROHIBITED; // -55;
public static final int KM_ERROR_KEY_MAX_OPS_EXCEEDED =
ErrorCode.KEY_MAX_OPS_EXCEEDED; // -56;
public static final int KM_ERROR_INVALID_MAC_LENGTH =
ErrorCode.INVALID_MAC_LENGTH; // -57;
public static final int KM_ERROR_MISSING_MIN_MAC_LENGTH =
ErrorCode.MISSING_MIN_MAC_LENGTH; // -58;
public static final int KM_ERROR_UNSUPPORTED_MIN_MAC_LENGTH =
ErrorCode.UNSUPPORTED_MIN_MAC_LENGTH; // -59;
public static final int KM_ERROR_CANNOT_ATTEST_IDS =
ErrorCode.CANNOT_ATTEST_IDS; // -66;
public static final int KM_ERROR_HARDWARE_TYPE_UNAVAILABLE =
ErrorCode.HARDWARE_TYPE_UNAVAILABLE; // -68;
public static final int KM_ERROR_DEVICE_LOCKED =
ErrorCode.DEVICE_LOCKED; // -72;
public static final int KM_ERROR_MISSING_NOT_BEFORE =
ErrorCode.MISSING_NOT_BEFORE; // -80;
public static final int KM_ERROR_MISSING_NOT_AFTER =
ErrorCode.MISSING_NOT_AFTER; // -80;
public static final int KM_ERROR_UNIMPLEMENTED =
ErrorCode.UNIMPLEMENTED; // -100;
public static final int KM_ERROR_VERSION_MISMATCH =
ErrorCode.VERSION_MISMATCH; // -101;
public static final int KM_ERROR_UNKNOWN_ERROR =
ErrorCode.UNKNOWN_ERROR; // -1000;
public static final Map<Integer, String> sErrorCodeToString = new HashMap<Integer, String>();
static {
sErrorCodeToString.put(KM_ERROR_OK, "OK");
sErrorCodeToString.put(KM_ERROR_UNSUPPORTED_PURPOSE, "Unsupported purpose");
sErrorCodeToString.put(KM_ERROR_INCOMPATIBLE_PURPOSE, "Incompatible purpose");
sErrorCodeToString.put(KM_ERROR_UNSUPPORTED_ALGORITHM, "Unsupported algorithm");
sErrorCodeToString.put(KM_ERROR_INCOMPATIBLE_ALGORITHM, "Incompatible algorithm");
sErrorCodeToString.put(KM_ERROR_UNSUPPORTED_KEY_SIZE, "Unsupported key size");
sErrorCodeToString.put(KM_ERROR_UNSUPPORTED_BLOCK_MODE, "Unsupported block mode");
sErrorCodeToString.put(KM_ERROR_INCOMPATIBLE_BLOCK_MODE, "Incompatible block mode");
sErrorCodeToString.put(KM_ERROR_UNSUPPORTED_MAC_LENGTH,
"Unsupported MAC or authentication tag length");
sErrorCodeToString.put(KM_ERROR_UNSUPPORTED_PADDING_MODE, "Unsupported padding mode");
sErrorCodeToString.put(KM_ERROR_INCOMPATIBLE_PADDING_MODE, "Incompatible padding mode");
sErrorCodeToString.put(KM_ERROR_UNSUPPORTED_DIGEST, "Unsupported digest");
sErrorCodeToString.put(KM_ERROR_INCOMPATIBLE_DIGEST, "Incompatible digest");
sErrorCodeToString.put(KM_ERROR_INVALID_EXPIRATION_TIME, "Invalid expiration time");
sErrorCodeToString.put(KM_ERROR_INVALID_USER_ID, "Invalid user ID");
sErrorCodeToString.put(KM_ERROR_INVALID_AUTHORIZATION_TIMEOUT,
"Invalid user authorization timeout");
sErrorCodeToString.put(KM_ERROR_UNSUPPORTED_KEY_FORMAT, "Unsupported key format");
sErrorCodeToString.put(KM_ERROR_INCOMPATIBLE_KEY_FORMAT, "Incompatible key format");
sErrorCodeToString.put(KM_ERROR_INVALID_INPUT_LENGTH, "Invalid input length");
sErrorCodeToString.put(KM_ERROR_KEY_NOT_YET_VALID, "Key not yet valid");
sErrorCodeToString.put(KM_ERROR_KEY_EXPIRED, "Key expired");
sErrorCodeToString.put(KM_ERROR_KEY_USER_NOT_AUTHENTICATED, "Key user not authenticated");
sErrorCodeToString.put(KM_ERROR_INVALID_OPERATION_HANDLE, "Invalid operation handle");
sErrorCodeToString.put(KM_ERROR_VERIFICATION_FAILED, "Signature/MAC verification failed");
sErrorCodeToString.put(KM_ERROR_TOO_MANY_OPERATIONS, "Too many operations");
sErrorCodeToString.put(KM_ERROR_INVALID_KEY_BLOB, "Invalid key blob");
sErrorCodeToString.put(KM_ERROR_INVALID_ARGUMENT, "Invalid argument");
sErrorCodeToString.put(KM_ERROR_UNSUPPORTED_TAG, "Unsupported tag");
sErrorCodeToString.put(KM_ERROR_INVALID_TAG, "Invalid tag");
sErrorCodeToString.put(KM_ERROR_MEMORY_ALLOCATION_FAILED, "Memory allocation failed");
sErrorCodeToString.put(KM_ERROR_UNSUPPORTED_EC_FIELD, "Unsupported EC field");
sErrorCodeToString.put(KM_ERROR_MISSING_NONCE, "Required IV missing");
sErrorCodeToString.put(KM_ERROR_INVALID_NONCE, "Invalid IV");
sErrorCodeToString.put(KM_ERROR_CALLER_NONCE_PROHIBITED,
"Caller-provided IV not permitted");
sErrorCodeToString.put(KM_ERROR_INVALID_MAC_LENGTH,
"Invalid MAC or authentication tag length");
sErrorCodeToString.put(KM_ERROR_CANNOT_ATTEST_IDS, "Unable to attest device ids");
sErrorCodeToString.put(KM_ERROR_HARDWARE_TYPE_UNAVAILABLE, "Requested security level "
+ "(likely Strongbox) is not available.");
sErrorCodeToString.put(KM_ERROR_DEVICE_LOCKED, "Device locked");
sErrorCodeToString.put(KM_ERROR_UNIMPLEMENTED, "Not implemented");
sErrorCodeToString.put(KM_ERROR_UNKNOWN_ERROR, "Unknown error");
}
public static int getTagType(int tag) {
return tag & (0xF << 28);
}
public static String getErrorMessage(int errorCode) {
String result = sErrorCodeToString.get(errorCode);
if (result != null) {
return result;
}
return String.valueOf(errorCode);
}
}
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