| /* |
| * 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 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 = 0 << 28; |
| public static final int KM_ENUM = 1 << 28; |
| public static final int KM_ENUM_REP = 2 << 28; |
| public static final int KM_UINT = 3 << 28; |
| public static final int KM_UINT_REP = 4 << 28; |
| public static final int KM_ULONG = 5 << 28; |
| public static final int KM_DATE = 6 << 28; |
| public static final int KM_BOOL = 7 << 28; |
| public static final int KM_BIGNUM = 8 << 28; |
| public static final int KM_BYTES = 9 << 28; |
| public static final int KM_ULONG_REP = 10 << 28; |
| |
| // Tag values. |
| public static final int KM_TAG_INVALID = KM_INVALID | 0; |
| public static final int KM_TAG_PURPOSE = KM_ENUM_REP | 1; |
| public static final int KM_TAG_ALGORITHM = KM_ENUM | 2; |
| public static final int KM_TAG_KEY_SIZE = KM_UINT | 3; |
| public static final int KM_TAG_BLOCK_MODE = KM_ENUM_REP | 4; |
| public static final int KM_TAG_DIGEST = KM_ENUM_REP | 5; |
| public static final int KM_TAG_PADDING = KM_ENUM_REP | 6; |
| public static final int KM_TAG_CALLER_NONCE = KM_BOOL | 7; |
| public static final int KM_TAG_MIN_MAC_LENGTH = KM_UINT | 8; |
| |
| public static final int KM_TAG_RESCOPING_ADD = KM_ENUM_REP | 101; |
| public static final int KM_TAG_RESCOPING_DEL = KM_ENUM_REP | 102; |
| public static final int KM_TAG_BLOB_USAGE_REQUIREMENTS = KM_ENUM | 705; |
| |
| public static final int KM_TAG_RSA_PUBLIC_EXPONENT = KM_ULONG | 200; |
| public static final int KM_TAG_INCLUDE_UNIQUE_ID = KM_BOOL | 202; |
| |
| public static final int KM_TAG_ACTIVE_DATETIME = KM_DATE | 400; |
| public static final int KM_TAG_ORIGINATION_EXPIRE_DATETIME = KM_DATE | 401; |
| public static final int KM_TAG_USAGE_EXPIRE_DATETIME = KM_DATE | 402; |
| public static final int KM_TAG_MIN_SECONDS_BETWEEN_OPS = KM_UINT | 403; |
| public static final int KM_TAG_MAX_USES_PER_BOOT = KM_UINT | 404; |
| |
| public static final int KM_TAG_ALL_USERS = KM_BOOL | 500; |
| public static final int KM_TAG_USER_ID = KM_UINT | 501; |
| public static final int KM_TAG_USER_SECURE_ID = KM_ULONG_REP | 502; |
| public static final int KM_TAG_NO_AUTH_REQUIRED = KM_BOOL | 503; |
| public static final int KM_TAG_USER_AUTH_TYPE = KM_ENUM | 504; |
| public static final int KM_TAG_AUTH_TIMEOUT = KM_UINT | 505; |
| public static final int KM_TAG_ALLOW_WHILE_ON_BODY = KM_BOOL | 506; |
| |
| public static final int KM_TAG_ALL_APPLICATIONS = KM_BOOL | 600; |
| public static final int KM_TAG_APPLICATION_ID = KM_BYTES | 601; |
| |
| public static final int KM_TAG_CREATION_DATETIME = KM_DATE | 701; |
| public static final int KM_TAG_ORIGIN = KM_ENUM | 702; |
| public static final int KM_TAG_ROLLBACK_RESISTANT = KM_BOOL | 703; |
| public static final int KM_TAG_ROOT_OF_TRUST = KM_BYTES | 704; |
| public static final int KM_TAG_UNIQUE_ID = KM_BYTES | 707; |
| public static final int KM_TAG_ATTESTATION_CHALLENGE = KM_BYTES | 708; |
| public static final int KM_TAG_ATTESTATION_ID_BRAND = KM_BYTES | 710; |
| public static final int KM_TAG_ATTESTATION_ID_DEVICE = KM_BYTES | 711; |
| public static final int KM_TAG_ATTESTATION_ID_PRODUCT = KM_BYTES | 712; |
| public static final int KM_TAG_ATTESTATION_ID_SERIAL = KM_BYTES | 713; |
| public static final int KM_TAG_ATTESTATION_ID_IMEI = KM_BYTES | 714; |
| public static final int KM_TAG_ATTESTATION_ID_MEID = KM_BYTES | 715; |
| public static final int KM_TAG_ATTESTATION_ID_MANUFACTURER = KM_BYTES | 716; |
| public static final int KM_TAG_ATTESTATION_ID_MODEL = KM_BYTES | 717; |
| |
| public static final int KM_TAG_ASSOCIATED_DATA = KM_BYTES | 1000; |
| public static final int KM_TAG_NONCE = KM_BYTES | 1001; |
| public static final int KM_TAG_AUTH_TOKEN = KM_BYTES | 1002; |
| public static final int KM_TAG_MAC_LENGTH = KM_UINT | 1003; |
| |
| // Algorithm values. |
| public static final int KM_ALGORITHM_RSA = 1; |
| public static final int KM_ALGORITHM_EC = 3; |
| public static final int KM_ALGORITHM_AES = 32; |
| public static final int KM_ALGORITHM_3DES = 33; |
| public static final int KM_ALGORITHM_HMAC = 128; |
| |
| // Block modes. |
| public static final int KM_MODE_ECB = 1; |
| public static final int KM_MODE_CBC = 2; |
| public static final int KM_MODE_CTR = 3; |
| public static final int KM_MODE_GCM = 32; |
| |
| // Padding modes. |
| public static final int KM_PAD_NONE = 1; |
| public static final int KM_PAD_RSA_OAEP = 2; |
| public static final int KM_PAD_RSA_PSS = 3; |
| public static final int KM_PAD_RSA_PKCS1_1_5_ENCRYPT = 4; |
| public static final int KM_PAD_RSA_PKCS1_1_5_SIGN = 5; |
| public static final int KM_PAD_PKCS7 = 64; |
| |
| // Digest modes. |
| public static final int KM_DIGEST_NONE = 0; |
| public static final int KM_DIGEST_MD5 = 1; |
| public static final int KM_DIGEST_SHA1 = 2; |
| public static final int KM_DIGEST_SHA_2_224 = 3; |
| public static final int KM_DIGEST_SHA_2_256 = 4; |
| public static final int KM_DIGEST_SHA_2_384 = 5; |
| public static final int KM_DIGEST_SHA_2_512 = 6; |
| |
| // Key origins. |
| public static final int KM_ORIGIN_GENERATED = 0; |
| public static final int KM_ORIGIN_IMPORTED = 2; |
| public static final int KM_ORIGIN_UNKNOWN = 3; |
| public static final int KM_ORIGIN_SECURELY_IMPORTED = 4; |
| |
| // 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 = 0; |
| public static final int KM_PURPOSE_DECRYPT = 1; |
| public static final int KM_PURPOSE_SIGN = 2; |
| public static final int KM_PURPOSE_VERIFY = 3; |
| public static final int KM_PURPOSE_WRAP = 5; |
| |
| // Key formats. |
| public static final int KM_KEY_FORMAT_X509 = 0; |
| public static final int KM_KEY_FORMAT_PKCS8 = 1; |
| public static final int KM_KEY_FORMAT_RAW = 3; |
| |
| // User authenticators. |
| public static final int HW_AUTH_PASSWORD = 1 << 0; |
| public static final int HW_AUTH_FINGERPRINT = 1 << 1; |
| |
| // Error codes. |
| public static final int KM_ERROR_OK = 0; |
| public static final int KM_ERROR_ROOT_OF_TRUST_ALREADY_SET = -1; |
| public static final int KM_ERROR_UNSUPPORTED_PURPOSE = -2; |
| public static final int KM_ERROR_INCOMPATIBLE_PURPOSE = -3; |
| public static final int KM_ERROR_UNSUPPORTED_ALGORITHM = -4; |
| public static final int KM_ERROR_INCOMPATIBLE_ALGORITHM = -5; |
| public static final int KM_ERROR_UNSUPPORTED_KEY_SIZE = -6; |
| public static final int KM_ERROR_UNSUPPORTED_BLOCK_MODE = -7; |
| public static final int KM_ERROR_INCOMPATIBLE_BLOCK_MODE = -8; |
| public static final int KM_ERROR_UNSUPPORTED_MAC_LENGTH = -9; |
| public static final int KM_ERROR_UNSUPPORTED_PADDING_MODE = -10; |
| public static final int KM_ERROR_INCOMPATIBLE_PADDING_MODE = -11; |
| public static final int KM_ERROR_UNSUPPORTED_DIGEST = -12; |
| public static final int KM_ERROR_INCOMPATIBLE_DIGEST = -13; |
| public static final int KM_ERROR_INVALID_EXPIRATION_TIME = -14; |
| public static final int KM_ERROR_INVALID_USER_ID = -15; |
| public static final int KM_ERROR_INVALID_AUTHORIZATION_TIMEOUT = -16; |
| public static final int KM_ERROR_UNSUPPORTED_KEY_FORMAT = -17; |
| public static final int KM_ERROR_INCOMPATIBLE_KEY_FORMAT = -18; |
| public static final int KM_ERROR_UNSUPPORTED_KEY_ENCRYPTION_ALGORITHM = -19; |
| public static final int KM_ERROR_UNSUPPORTED_KEY_VERIFICATION_ALGORITHM = -20; |
| public static final int KM_ERROR_INVALID_INPUT_LENGTH = -21; |
| public static final int KM_ERROR_KEY_EXPORT_OPTIONS_INVALID = -22; |
| public static final int KM_ERROR_DELEGATION_NOT_ALLOWED = -23; |
| public static final int KM_ERROR_KEY_NOT_YET_VALID = -24; |
| public static final int KM_ERROR_KEY_EXPIRED = -25; |
| public static final int KM_ERROR_KEY_USER_NOT_AUTHENTICATED = -26; |
| public static final int KM_ERROR_OUTPUT_PARAMETER_NULL = -27; |
| public static final int KM_ERROR_INVALID_OPERATION_HANDLE = -28; |
| public static final int KM_ERROR_INSUFFICIENT_BUFFER_SPACE = -29; |
| public static final int KM_ERROR_VERIFICATION_FAILED = -30; |
| public static final int KM_ERROR_TOO_MANY_OPERATIONS = -31; |
| public static final int KM_ERROR_UNEXPECTED_NULL_POINTER = -32; |
| public static final int KM_ERROR_INVALID_KEY_BLOB = -33; |
| public static final int KM_ERROR_IMPORTED_KEY_NOT_ENCRYPTED = -34; |
| public static final int KM_ERROR_IMPORTED_KEY_DECRYPTION_FAILED = -35; |
| public static final int KM_ERROR_IMPORTED_KEY_NOT_SIGNED = -36; |
| public static final int KM_ERROR_IMPORTED_KEY_VERIFICATION_FAILED = -37; |
| public static final int KM_ERROR_INVALID_ARGUMENT = -38; |
| public static final int KM_ERROR_UNSUPPORTED_TAG = -39; |
| public static final int KM_ERROR_INVALID_TAG = -40; |
| public static final int KM_ERROR_MEMORY_ALLOCATION_FAILED = -41; |
| public static final int KM_ERROR_INVALID_RESCOPING = -42; |
| public static final int KM_ERROR_IMPORT_PARAMETER_MISMATCH = -44; |
| public static final int KM_ERROR_SECURE_HW_ACCESS_DENIED = -45; |
| public static final int KM_ERROR_OPERATION_CANCELLED = -46; |
| public static final int KM_ERROR_CONCURRENT_ACCESS_CONFLICT = -47; |
| public static final int KM_ERROR_SECURE_HW_BUSY = -48; |
| public static final int KM_ERROR_SECURE_HW_COMMUNICATION_FAILED = -49; |
| public static final int KM_ERROR_UNSUPPORTED_EC_FIELD = -50; |
| public static final int KM_ERROR_MISSING_NONCE = -51; |
| public static final int KM_ERROR_INVALID_NONCE = -52; |
| public static final int KM_ERROR_MISSING_MAC_LENGTH = -53; |
| public static final int KM_ERROR_KEY_RATE_LIMIT_EXCEEDED = -54; |
| public static final int KM_ERROR_CALLER_NONCE_PROHIBITED = -55; |
| public static final int KM_ERROR_KEY_MAX_OPS_EXCEEDED = -56; |
| public static final int KM_ERROR_INVALID_MAC_LENGTH = -57; |
| public static final int KM_ERROR_MISSING_MIN_MAC_LENGTH = -58; |
| public static final int KM_ERROR_UNSUPPORTED_MIN_MAC_LENGTH = -59; |
| public static final int KM_ERROR_CANNOT_ATTEST_IDS = -66; |
| public static final int KM_ERROR_UNIMPLEMENTED = -100; |
| public static final int KM_ERROR_VERSION_MISMATCH = -101; |
| public static final int KM_ERROR_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_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); |
| } |
| } |