/*

 * Copyright (c) 2018-2022 Yubico AB. All rights reserved.

 * SPDX-License-Identifier: BSD-2-Clause

 * 

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions are

 * met:

 * 

 *    1. Redistributions of source code must retain the above copyright

 *       notice, this list of conditions and the following disclaimer.

 *    2. Redistributions in binary form must reproduce the above copyright

 *       notice, this list of conditions and the following disclaimer in

 *       the documentation and/or other materials provided with the

 *       distribution.

 * 

 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS

 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT

 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR

 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT

 * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT

 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,

 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY

 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 */

#ifndef _FIDO_PARAM_H

#define _FIDO_PARAM_H

/* Authentication data flags. */

#define CTAP_AUTHDATA_USER_PRESENT      0x01

#define CTAP_AUTHDATA_USER_VERIFIED     0x04

#define CTAP_AUTHDATA_ATT_CRED          0x40

#define CTAP_AUTHDATA_EXT_DATA          0x80

/* CTAPHID command opcodes. */

#define CTAP_CMD_PING                   0x01

#define CTAP_CMD_MSG                    0x03

#define CTAP_CMD_LOCK                   0x04

#define CTAP_CMD_INIT                   0x06

#define CTAP_CMD_WINK                   0x08

#define CTAP_CMD_CBOR                   0x10

#define CTAP_CMD_CANCEL                 0x11

#define CTAP_KEEPALIVE                  0x3b

#define CTAP_FRAME_INIT                 0x80

/* CTAPHID CBOR command opcodes. */

#define CTAP_CBOR_MAKECRED              0x01

#define CTAP_CBOR_ASSERT                0x02

#define CTAP_CBOR_GETINFO               0x04

#define CTAP_CBOR_CLIENT_PIN            0x06

#define CTAP_CBOR_RESET                 0x07

#define CTAP_CBOR_NEXT_ASSERT           0x08

#define CTAP_CBOR_BIO_ENROLL            0x09

#define CTAP_CBOR_CRED_MGMT             0x0a

#define CTAP_CBOR_LARGEBLOB             0x0c

#define CTAP_CBOR_CONFIG                0x0d

#define CTAP_CBOR_BIO_ENROLL_PRE        0x40

#define CTAP_CBOR_CRED_MGMT_PRE         0x41

/* Supported CTAP PIN/UV Auth Protocols. */

#define CTAP_PIN_PROTOCOL1              1

#define CTAP_PIN_PROTOCOL2              2

/* U2F command opcodes. */

#define U2F_CMD_REGISTER                0x01

#define U2F_CMD_AUTH                    0x02

/* U2F command flags. */

#define U2F_AUTH_SIGN                   0x03

#define U2F_AUTH_CHECK                  0x07

/* ISO7816-4 status words. */

#define SW1_MORE_DATA                   0x61

#define SW_CONDITIONS_NOT_SATISFIED     0x6985

#define SW_WRONG_DATA                   0x6a80

#define SW_NO_ERROR                     0x9000

/* HID Broadcast channel ID. */

#define CTAP_CID_BROADCAST              0xffffffff

#define CTAP_INIT_HEADER_LEN            7

#define CTAP_CONT_HEADER_LEN            5

/* Maximum length of a CTAP HID report in bytes. */

#define CTAP_MAX_REPORT_LEN             64

/* Minimum length of a CTAP HID report in bytes. */

#define CTAP_MIN_REPORT_LEN             (CTAP_INIT_HEADER_LEN + 1)

/* Randomness device on UNIX-like platforms. */

#ifndef FIDO_RANDOM_DEV

#define FIDO_RANDOM_DEV                 "/dev/urandom"

#endif

/* Maximum message size in bytes. */

#ifndef FIDO_MAXMSG

#define FIDO_MAXMSG     2048

#endif

/* CTAP capability bits. */

#define FIDO_CAP_WINK   0x01 /* if set, device supports CTAP_CMD_WINK */

#define FIDO_CAP_CBOR   0x04 /* if set, device supports CTAP_CMD_CBOR */

#define FIDO_CAP_NMSG   0x08 /* if set, device doesn't support CTAP_CMD_MSG */

/* Supported COSE algorithms. */

#define COSE_UNSPEC     0

#define COSE_ES256      -7

#define COSE_EDDSA      -8

#define COSE_ECDH_ES256 -25

#define COSE_ES384      -35

#define COSE_RS256      -257

#define COSE_RS1        -65535

/* Supported COSE types. */

#define COSE_KTY_OKP    1

#define COSE_KTY_EC2    2

#define COSE_KTY_RSA    3

/* Supported curves. */

#define COSE_P256       1

#define COSE_P384       2

#define COSE_ED25519    6

/* Supported extensions. */

#define FIDO_EXT_HMAC_SECRET    0x01

#define FIDO_EXT_CRED_PROTECT   0x02

#define FIDO_EXT_LARGEBLOB_KEY  0x04

#define FIDO_EXT_CRED_BLOB      0x08

#define FIDO_EXT_MINPINLEN      0x10

/* Supported credential protection policies. */

#define FIDO_CRED_PROT_UV_OPTIONAL              0x01

#define FIDO_CRED_PROT_UV_OPTIONAL_WITH_ID      0x02

#define FIDO_CRED_PROT_UV_REQUIRED              0x03

#ifdef _FIDO_INTERNAL

#define FIDO_EXT_ASSERT_MASK    (FIDO_EXT_HMAC_SECRET|FIDO_EXT_LARGEBLOB_KEY| \

                                 FIDO_EXT_CRED_BLOB)

#define FIDO_EXT_CRED_MASK      (FIDO_EXT_HMAC_SECRET|FIDO_EXT_CRED_PROTECT| \

                                 FIDO_EXT_LARGEBLOB_KEY|FIDO_EXT_CRED_BLOB| \

                                 FIDO_EXT_MINPINLEN)

#endif /* _FIDO_INTERNAL */

/* Recognised UV modes. */

#define FIDO_UV_MODE_TUP        0x0001  /* internal test of user presence */

#define FIDO_UV_MODE_FP         0x0002  /* internal fingerprint check */

#define FIDO_UV_MODE_PIN        0x0004  /* internal pin check */

#define FIDO_UV_MODE_VOICE      0x0008  /* internal voice recognition */

#define FIDO_UV_MODE_FACE       0x0010  /* internal face recognition */

#define FIDO_UV_MODE_LOCATION   0x0020  /* internal location check */

#define FIDO_UV_MODE_EYE        0x0040  /* internal eyeprint check */

#define FIDO_UV_MODE_DRAWN      0x0080  /* internal drawn pattern check */

#define FIDO_UV_MODE_HAND       0x0100  /* internal handprint verification */

#define FIDO_UV_MODE_NONE       0x0200  /* TUP/UV not required */

#define FIDO_UV_MODE_ALL        0x0400  /* all supported UV modes required */

#define FIDO_UV_MODE_EXT_PIN    0x0800  /* external pin verification */

#define FIDO_UV_MODE_EXT_DRAWN  0x1000  /* external drawn pattern check */

#endif /* !_FIDO_PARAM_H */