1/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
2/*
3 * Copyright (c) 2023, Oracle and/or its affiliates.
4 *
5 * TLS Protocol definitions
6 *
7 * From https://www.iana.org/assignments/tls-parameters/tls-parameters.xhtml
8 */
9
10#ifndef _TLS_PROT_H
11#define _TLS_PROT_H
12
13/*
14 * TLS Record protocol: ContentType
15 */
16enum {
17 TLS_RECORD_TYPE_CHANGE_CIPHER_SPEC = 20,
18 TLS_RECORD_TYPE_ALERT = 21,
19 TLS_RECORD_TYPE_HANDSHAKE = 22,
20 TLS_RECORD_TYPE_DATA = 23,
21 TLS_RECORD_TYPE_HEARTBEAT = 24,
22 TLS_RECORD_TYPE_TLS12_CID = 25,
23 TLS_RECORD_TYPE_ACK = 26,
24};
25
26/*
27 * TLS Alert protocol: AlertLevel
28 */
29enum {
30 TLS_ALERT_LEVEL_WARNING = 1,
31 TLS_ALERT_LEVEL_FATAL = 2,
32};
33
34/*
35 * TLS Alert protocol: AlertDescription
36 */
37enum {
38 TLS_ALERT_DESC_CLOSE_NOTIFY = 0,
39 TLS_ALERT_DESC_UNEXPECTED_MESSAGE = 10,
40 TLS_ALERT_DESC_BAD_RECORD_MAC = 20,
41 TLS_ALERT_DESC_RECORD_OVERFLOW = 22,
42 TLS_ALERT_DESC_HANDSHAKE_FAILURE = 40,
43 TLS_ALERT_DESC_BAD_CERTIFICATE = 42,
44 TLS_ALERT_DESC_UNSUPPORTED_CERTIFICATE = 43,
45 TLS_ALERT_DESC_CERTIFICATE_REVOKED = 44,
46 TLS_ALERT_DESC_CERTIFICATE_EXPIRED = 45,
47 TLS_ALERT_DESC_CERTIFICATE_UNKNOWN = 46,
48 TLS_ALERT_DESC_ILLEGAL_PARAMETER = 47,
49 TLS_ALERT_DESC_UNKNOWN_CA = 48,
50 TLS_ALERT_DESC_ACCESS_DENIED = 49,
51 TLS_ALERT_DESC_DECODE_ERROR = 50,
52 TLS_ALERT_DESC_DECRYPT_ERROR = 51,
53 TLS_ALERT_DESC_TOO_MANY_CIDS_REQUESTED = 52,
54 TLS_ALERT_DESC_PROTOCOL_VERSION = 70,
55 TLS_ALERT_DESC_INSUFFICIENT_SECURITY = 71,
56 TLS_ALERT_DESC_INTERNAL_ERROR = 80,
57 TLS_ALERT_DESC_INAPPROPRIATE_FALLBACK = 86,
58 TLS_ALERT_DESC_USER_CANCELED = 90,
59 TLS_ALERT_DESC_MISSING_EXTENSION = 109,
60 TLS_ALERT_DESC_UNSUPPORTED_EXTENSION = 110,
61 TLS_ALERT_DESC_UNRECOGNIZED_NAME = 112,
62 TLS_ALERT_DESC_BAD_CERTIFICATE_STATUS_RESPONSE = 113,
63 TLS_ALERT_DESC_UNKNOWN_PSK_IDENTITY = 115,
64 TLS_ALERT_DESC_CERTIFICATE_REQUIRED = 116,
65 TLS_ALERT_DESC_NO_APPLICATION_PROTOCOL = 120,
66};
67
68#endif /* _TLS_PROT_H */
69