| /* |
| * 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_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); |
| } |
| } |
