kopia lustrzana https://github.com/solokeys/solo1
124 wiersze
3.8 KiB
C
124 wiersze
3.8 KiB
C
/*
|
|
Copyright 2018 Conor Patrick
|
|
|
|
Permission is hereby granted, free of charge, to any person obtaining a copy of
|
|
this software and associated documentation files (the "Software"), to deal in
|
|
the Software without restriction, including without limitation the rights to
|
|
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
|
|
of the Software, and to permit persons to whom the Software is furnished to do
|
|
so, subject to the following conditions:
|
|
|
|
The above copyright notice and this permission notice shall be included in all
|
|
copies or substantial portions of the Software.
|
|
|
|
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
|
SOFTWARE.
|
|
*/
|
|
#ifndef _U2F_H_
|
|
#define _U2F_H_
|
|
|
|
#include <stdint.h>
|
|
#include "ctap.h"
|
|
|
|
#define U2F_EC_FMT_UNCOMPRESSED 0x04
|
|
|
|
#define U2F_EC_POINT_SIZE 32
|
|
#define U2F_EC_PUBKEY_SIZE 65
|
|
#define U2F_APDU_SIZE 7
|
|
#define U2F_CHALLENGE_SIZE 32
|
|
#define U2F_APPLICATION_SIZE 32
|
|
#define U2F_KEY_HANDLE_TAG_SIZE 16
|
|
#define U2F_KEY_HANDLE_KEY_SIZE 32
|
|
#define U2F_KEY_HANDLE_SIZE (U2F_KEY_HANDLE_KEY_SIZE+U2F_KEY_HANDLE_TAG_SIZE)
|
|
#define U2F_REGISTER_REQUEST_SIZE (U2F_CHALLENGE_SIZE+U2F_APPLICATION_SIZE)
|
|
#define U2F_MAX_REQUEST_PAYLOAD (1 + U2F_CHALLENGE_SIZE+U2F_APPLICATION_SIZE + 1 + U2F_KEY_HANDLE_SIZE)
|
|
|
|
|
|
// U2F native commands
|
|
#define U2F_REGISTER 0x01
|
|
#define U2F_AUTHENTICATE 0x02
|
|
#define U2F_VERSION 0x03
|
|
#define U2F_VENDOR_FIRST 0xc0
|
|
#define U2F_VENDOR_LAST 0xff
|
|
|
|
// U2F_CMD_REGISTER command defines
|
|
#define U2F_REGISTER_ID 0x05
|
|
#define U2F_REGISTER_HASH_ID 0x00
|
|
|
|
// U2F Authenticate
|
|
#define U2F_AUTHENTICATE_CHECK 0x7
|
|
#define U2F_AUTHENTICATE_SIGN 0x3
|
|
|
|
|
|
// Command status responses
|
|
#define U2F_SW_NO_ERROR 0x9000
|
|
#define U2F_SW_WRONG_DATA 0x6984
|
|
#define U2F_SW_CONDITIONS_NOT_SATISFIED 0x6985
|
|
#define U2F_SW_INS_NOT_SUPPORTED 0x6d00
|
|
#define U2F_SW_WRONG_LENGTH 0x6700
|
|
#define U2F_SW_CLASS_NOT_SUPPORTED 0x6E00
|
|
#define U2F_SW_WRONG_PAYLOAD 0x6a80
|
|
#define U2F_SW_INSUFFICIENT_MEMORY 0x9210
|
|
|
|
// Delay in milliseconds to wait for user input
|
|
#define U2F_MS_USER_INPUT_WAIT 3000
|
|
|
|
struct u2f_request_apdu
|
|
{
|
|
uint8_t cla;
|
|
uint8_t ins;
|
|
uint8_t p1;
|
|
uint8_t p2;
|
|
uint8_t LC1;
|
|
uint8_t LC2;
|
|
uint8_t LC3;
|
|
uint8_t payload[U2F_MAX_REQUEST_PAYLOAD];
|
|
};
|
|
|
|
struct u2f_ec_point
|
|
{
|
|
uint8_t fmt;
|
|
uint8_t x[U2F_EC_POINT_SIZE];
|
|
uint8_t y[U2F_EC_POINT_SIZE];
|
|
};
|
|
|
|
struct u2f_register_request
|
|
{
|
|
uint8_t chal[U2F_CHALLENGE_SIZE];
|
|
uint8_t app[U2F_APPLICATION_SIZE];
|
|
};
|
|
|
|
|
|
struct u2f_key_handle
|
|
{
|
|
uint8_t tag[U2F_KEY_HANDLE_TAG_SIZE];
|
|
uint8_t key[U2F_KEY_HANDLE_KEY_SIZE];
|
|
};
|
|
|
|
|
|
struct u2f_authenticate_request
|
|
{
|
|
uint8_t chal[U2F_CHALLENGE_SIZE];
|
|
uint8_t app[U2F_APPLICATION_SIZE];
|
|
uint8_t khl;
|
|
struct u2f_key_handle kh;
|
|
};
|
|
|
|
// u2f_request send a U2F message to U2F protocol
|
|
// @req U2F message
|
|
void u2f_request(struct u2f_request_apdu* req, CTAP_RESPONSE * resp);
|
|
|
|
|
|
int8_t u2f_response_writeback(const uint8_t * buf, uint16_t len);
|
|
void u2f_reset_response();
|
|
|
|
int16_t u2f_version();
|
|
|
|
|
|
#endif /* U2F_H_ */
|