1/*
2 * Copyright (c) 2018-2022 Yubico AB. All rights reserved.
3 * SPDX-License-Identifier: BSD-2-Clause
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met:
8 *
9 *    1. Redistributions of source code must retain the above copyright
10 *       notice, this list of conditions and the following disclaimer.
11 *    2. Redistributions in binary form must reproduce the above copyright
12 *       notice, this list of conditions and the following disclaimer in
13 *       the documentation and/or other materials provided with the
14 *       distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#ifndef _FIDO_PARAM_H
30#define _FIDO_PARAM_H
31
32/* Authentication data flags. */
33#define CTAP_AUTHDATA_USER_PRESENT	0x01
34#define CTAP_AUTHDATA_USER_VERIFIED	0x04
35#define CTAP_AUTHDATA_ATT_CRED		0x40
36#define CTAP_AUTHDATA_EXT_DATA		0x80
37
38/* CTAPHID command opcodes. */
39#define CTAP_CMD_PING			0x01
40#define CTAP_CMD_MSG			0x03
41#define CTAP_CMD_LOCK			0x04
42#define CTAP_CMD_INIT			0x06
43#define CTAP_CMD_WINK			0x08
44#define CTAP_CMD_CBOR			0x10
45#define CTAP_CMD_CANCEL			0x11
46#define CTAP_KEEPALIVE			0x3b
47#define CTAP_FRAME_INIT			0x80
48
49/* CTAPHID CBOR command opcodes. */
50#define CTAP_CBOR_MAKECRED		0x01
51#define CTAP_CBOR_ASSERT		0x02
52#define CTAP_CBOR_GETINFO		0x04
53#define CTAP_CBOR_CLIENT_PIN		0x06
54#define CTAP_CBOR_RESET			0x07
55#define CTAP_CBOR_NEXT_ASSERT		0x08
56#define CTAP_CBOR_LARGEBLOB		0x0c
57#define CTAP_CBOR_CONFIG		0x0d
58#define CTAP_CBOR_BIO_ENROLL_PRE	0x40
59#define CTAP_CBOR_CRED_MGMT_PRE		0x41
60
61/* Supported CTAP PIN/UV Auth Protocols. */
62#define CTAP_PIN_PROTOCOL1		1
63#define CTAP_PIN_PROTOCOL2		2
64
65/* U2F command opcodes. */
66#define U2F_CMD_REGISTER		0x01
67#define U2F_CMD_AUTH			0x02
68
69/* U2F command flags. */
70#define U2F_AUTH_SIGN			0x03
71#define U2F_AUTH_CHECK			0x07
72
73/* ISO7816-4 status words. */
74#define SW1_MORE_DATA			0x61
75#define SW_CONDITIONS_NOT_SATISFIED	0x6985
76#define SW_WRONG_DATA			0x6a80
77#define SW_NO_ERROR			0x9000
78
79/* HID Broadcast channel ID. */
80#define CTAP_CID_BROADCAST		0xffffffff
81
82#define CTAP_INIT_HEADER_LEN		7
83#define CTAP_CONT_HEADER_LEN		5
84
85/* Maximum length of a CTAP HID report in bytes. */
86#define CTAP_MAX_REPORT_LEN		64
87
88/* Minimum length of a CTAP HID report in bytes. */
89#define CTAP_MIN_REPORT_LEN		(CTAP_INIT_HEADER_LEN + 1)
90
91/* Randomness device on UNIX-like platforms. */
92#ifndef FIDO_RANDOM_DEV
93#define FIDO_RANDOM_DEV			"/dev/urandom"
94#endif
95
96/* Maximum message size in bytes. */
97#ifndef FIDO_MAXMSG
98#define FIDO_MAXMSG	2048
99#endif
100
101/* CTAP capability bits. */
102#define FIDO_CAP_WINK	0x01 /* if set, device supports CTAP_CMD_WINK */
103#define FIDO_CAP_CBOR	0x04 /* if set, device supports CTAP_CMD_CBOR */
104#define FIDO_CAP_NMSG	0x08 /* if set, device doesn't support CTAP_CMD_MSG */
105
106/* Supported COSE algorithms. */
107#define COSE_UNSPEC	0
108#define COSE_ES256	-7
109#define COSE_EDDSA	-8
110#define COSE_ECDH_ES256	-25
111#define COSE_ES384	-35
112#define COSE_RS256	-257
113#define COSE_RS1	-65535
114
115/* Supported COSE types. */
116#define COSE_KTY_OKP	1
117#define COSE_KTY_EC2	2
118#define COSE_KTY_RSA	3
119
120/* Supported curves. */
121#define COSE_P256	1
122#define COSE_P384	2
123#define COSE_ED25519	6
124
125/* Supported extensions. */
126#define FIDO_EXT_HMAC_SECRET	0x01
127#define FIDO_EXT_CRED_PROTECT	0x02
128#define FIDO_EXT_LARGEBLOB_KEY	0x04
129#define FIDO_EXT_CRED_BLOB	0x08
130#define FIDO_EXT_MINPINLEN	0x10
131
132/* Supported credential protection policies. */
133#define FIDO_CRED_PROT_UV_OPTIONAL		0x01
134#define FIDO_CRED_PROT_UV_OPTIONAL_WITH_ID	0x02
135#define FIDO_CRED_PROT_UV_REQUIRED		0x03
136
137#ifdef _FIDO_INTERNAL
138#define FIDO_EXT_ASSERT_MASK	(FIDO_EXT_HMAC_SECRET|FIDO_EXT_LARGEBLOB_KEY| \
139				 FIDO_EXT_CRED_BLOB)
140#define FIDO_EXT_CRED_MASK	(FIDO_EXT_HMAC_SECRET|FIDO_EXT_CRED_PROTECT| \
141				 FIDO_EXT_LARGEBLOB_KEY|FIDO_EXT_CRED_BLOB| \
142				 FIDO_EXT_MINPINLEN)
143#endif /* _FIDO_INTERNAL */
144
145/* Recognised UV modes. */
146#define FIDO_UV_MODE_TUP	0x0001	/* internal test of user presence */
147#define FIDO_UV_MODE_FP		0x0002	/* internal fingerprint check */
148#define FIDO_UV_MODE_PIN	0x0004	/* internal pin check */
149#define FIDO_UV_MODE_VOICE	0x0008	/* internal voice recognition */
150#define FIDO_UV_MODE_FACE	0x0010	/* internal face recognition */
151#define FIDO_UV_MODE_LOCATION	0x0020	/* internal location check */
152#define FIDO_UV_MODE_EYE	0x0040	/* internal eyeprint check */
153#define FIDO_UV_MODE_DRAWN	0x0080	/* internal drawn pattern check */
154#define FIDO_UV_MODE_HAND	0x0100	/* internal handprint verification */
155#define FIDO_UV_MODE_NONE	0x0200	/* TUP/UV not required */
156#define FIDO_UV_MODE_ALL	0x0400	/* all supported UV modes required */
157#define FIDO_UV_MODE_EXT_PIN	0x0800	/* external pin verification */
158#define FIDO_UV_MODE_EXT_DRAWN	0x1000	/* external drawn pattern check */
159
160#endif /* !_FIDO_PARAM_H */
161