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Moved to FIDO.

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Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>
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Pol Henarejos 2022-09-08 13:50:28 +02:00
parent 3f492b9272
commit 9b137f6f08
No known key found for this signature in database
GPG key ID: C0095B7870A4CCD3
1 changed files with 0 additions and 107 deletions
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107
src/usb/hid/u2f.h
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// Common U2F raw message format header - Review Draft
// 2014-10-08
// Editor: Jakob Ehrensvard, Yubico, jakob@yubico.com
#ifndef __U2F_H_INCLUDED__
#define __U2F_H_INCLUDED__
#ifdef _MSC_VER // Windows
typedef unsigned char uint8_t;
typedef unsigned short uint16_t;
typedef unsigned int uint32_t;
typedef unsigned long int uint64_t;
#else
#include <stdint.h>
#endif
#ifdef __cplusplus
extern "C" {
#endif
// General constants
#define U2F_EC_KEY_SIZE 32 // EC key size in bytes
#define U2F_EC_POINT_SIZE ((U2F_EC_KEY_SIZE * 2) + 1) // Size of EC point
#define U2F_MAX_KH_SIZE 128 // Max size of key handle
#define U2F_MAX_ATT_CERT_SIZE 2048 // Max size of attestation certificate
#define U2F_MAX_EC_SIG_SIZE 72 // Max size of DER coded EC signature
#define U2F_CTR_SIZE 4 // Size of counter field
#define U2F_APPID_SIZE 32 // Size of application id
#define U2F_CHAL_SIZE 32 // Size of challenge
#define ENC_SIZE(x) ((x + 7) & 0xfff8)
// EC (uncompressed) point
#define U2F_POINT_UNCOMPRESSED 0x04 // Uncompressed point format
typedef struct {
uint8_t pointFormat; // Point type
uint8_t x[U2F_EC_KEY_SIZE]; // X-value
uint8_t y[U2F_EC_KEY_SIZE]; // Y-value
} U2F_EC_POINT;
// U2F native commands
#define U2F_REGISTER 0x01 // Registration command
#define U2F_AUTHENTICATE 0x02 // Authenticate/sign command
#define U2F_VERSION 0x03 // Read version string command
#define U2F_VENDOR_FIRST 0x40 // First vendor defined command
#define U2F_VENDOR_LAST 0xbf // Last vendor defined command
// U2F_CMD_REGISTER command defines
#define U2F_REGISTER_ID 0x05 // Version 2 registration identifier
#define U2F_REGISTER_HASH_ID 0x00 // Version 2 hash identintifier
typedef struct {
uint8_t chal[U2F_CHAL_SIZE]; // Challenge
uint8_t appId[U2F_APPID_SIZE]; // Application id
} U2F_REGISTER_REQ;
typedef struct {
uint8_t registerId; // Registration identifier (U2F_REGISTER_ID_V2)
U2F_EC_POINT pubKey; // Generated public key
uint8_t keyHandleLen; // Length of key handle
uint8_t keyHandleCertSig[
U2F_MAX_KH_SIZE + // Key handle
U2F_MAX_ATT_CERT_SIZE + // Attestation certificate
U2F_MAX_EC_SIG_SIZE]; // Registration signature
} U2F_REGISTER_RESP;
// U2F_CMD_AUTHENTICATE command defines
// Authentication control byte
#define U2F_AUTH_ENFORCE 0x03 // Enforce user presence and sign
#define U2F_AUTH_CHECK_ONLY 0x07 // Check only
#define U2F_AUTH_FLAG_TUP 0x01 // Test of user presence set
typedef struct {
uint8_t chal[U2F_CHAL_SIZE]; // Challenge
uint8_t appId[U2F_APPID_SIZE]; // Application id
uint8_t keyHandleLen; // Length of key handle
uint8_t keyHandle[U2F_MAX_KH_SIZE]; // Key handle
} U2F_AUTHENTICATE_REQ;
typedef struct {
uint8_t flags; // U2F_AUTH_FLAG_ values
uint8_t ctr[U2F_CTR_SIZE]; // Counter field (big-endian)
uint8_t sig[U2F_MAX_EC_SIG_SIZE]; // Signature
} U2F_AUTHENTICATE_RESP;
// Command status responses
#define U2F_SW_NO_ERROR 0x9000 // SW_NO_ERROR
#define U2F_SW_WRONG_DATA 0x6A80 // SW_WRONG_DATA
#define U2F_SW_CONDITIONS_NOT_SATISFIED 0x6985 // SW_CONDITIONS_NOT_SATISFIED
#define U2F_SW_COMMAND_NOT_ALLOWED 0x6986 // SW_COMMAND_NOT_ALLOWED
#define U2F_SW_INS_NOT_SUPPORTED 0x6D00 // SW_INS_NOT_SUPPORTED
#ifdef __cplusplus
}
#endif
#endif // __U2F_H_INCLUDED__