/usr/include/u2f-server/u2f-server.h is in libu2f-server-dev 1.1.0-1build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 | /*
* Copyright (c) 2014 Yubico AB
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * 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
* OWNER 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 U2F_SERVER_H
#define U2F_SERVER_H
#include <stdint.h>
#include <string.h>
#include <u2f-server/u2f-server-version.h>
#ifdef __cplusplus
extern "C" {
#endif
#define U2FS_CHALLENGE_RAW_LEN 32
#define U2FS_CHALLENGE_B64U_LEN 43
#define U2FS_PUBLIC_KEY_LEN 65
#define U2FS_COUNTER_LEN 4
/**
* u2fs_rc:
* @U2FS_OK: Success.
* @U2FS_MEMORY_ERROR: Memory error.
* @U2FS_JSON_ERROR: Json error.
* @U2FS_BASE64_ERROR: Base64 error.
* @U2FS_CRYPTO_ERROR: Cryptographic error.
* @U2FS_ORIGIN_ERROR: Origin mismatch.
* @U2FS_CHALLENGE_ERROR: Challenge error.
* @U2FS_SIGNATURE_ERROR: Signature mismatch.
* @U2FS_FORMAT_ERROR: Message format error.
*
* Error codes.
*/
typedef enum {
U2FS_OK = 0,
U2FS_MEMORY_ERROR = -1,
U2FS_JSON_ERROR = -2,
U2FS_BASE64_ERROR = -3,
U2FS_CRYPTO_ERROR = -4,
U2FS_ORIGIN_ERROR = -5,
U2FS_CHALLENGE_ERROR = -6,
U2FS_SIGNATURE_ERROR = -7,
U2FS_FORMAT_ERROR = -8
} u2fs_rc;
/**
* u2fs_initflags:
* @U2FS_DEBUG: Print debug messages.
*
* Flags passed to u2fs_global_init().
*/
typedef enum {
U2FS_DEBUG = 1
} u2fs_initflags;
typedef struct u2fs_ctx u2fs_ctx_t;
typedef struct u2fs_reg_res u2fs_reg_res_t;
typedef struct u2fs_auth_res u2fs_auth_res_t;
/* Must be called successfully before using any other functions. */
u2fs_rc u2fs_global_init(u2fs_initflags flags);
void u2fs_global_done(void);
/* Error handling */
const char *u2fs_strerror(int err);
const char *u2fs_strerror_name(int err);
/* Create context before registration/authentication calls. */
u2fs_rc u2fs_init(u2fs_ctx_t ** ctx);
void u2fs_done(u2fs_ctx_t * ctx);
u2fs_rc u2fs_set_origin(u2fs_ctx_t * ctx, const char *origin);
u2fs_rc u2fs_set_appid(u2fs_ctx_t * ctx, const char *appid);
u2fs_rc u2fs_set_challenge(u2fs_ctx_t * ctx, const char *challenge);
u2fs_rc u2fs_set_keyHandle(u2fs_ctx_t * ctx, const char *keyHandle);
u2fs_rc u2fs_set_publicKey(u2fs_ctx_t * ctx,
const unsigned char *publicKey);
/* U2F Registration functions */
u2fs_rc u2fs_registration_challenge(u2fs_ctx_t * ctx, char **output);
u2fs_rc u2fs_registration_verify(u2fs_ctx_t * ctx, const char *response,
u2fs_reg_res_t ** output);
const char *u2fs_get_registration_keyHandle(u2fs_reg_res_t * result);
const char *u2fs_get_registration_publicKey(u2fs_reg_res_t * result);
const char *u2fs_get_registration_attestation(u2fs_reg_res_t * result);
void u2fs_free_reg_res(u2fs_reg_res_t * result);
/* U2F Authentication functions */
u2fs_rc u2fs_authentication_challenge(u2fs_ctx_t * ctx, char **output);
u2fs_rc u2fs_authentication_verify(u2fs_ctx_t * ctx,
const char *response,
u2fs_auth_res_t ** output);
u2fs_rc u2fs_get_authentication_result(u2fs_auth_res_t * result,
u2fs_rc * verified,
uint32_t * counter,
uint8_t * user_presence);
void u2fs_free_auth_res(u2fs_auth_res_t * result);
#ifdef __cplusplus
}
#endif
#endif
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