freeipa/daemons/ipa-slapi-plugins/libotp/hotp.h
Nathaniel McCallum bdccb0c721 Preliminary refactoring of libotp files
There are no major changes in this commit other than changing filenames
and symbols to have consistent namespaces. This prepares for larger
changes to come in subsequent commits.

Reviewed-By: Thierry Bordaz <tbordaz@redhat.com>
2014-12-03 08:48:56 +01:00

61 lines
2.0 KiB
C

/** BEGIN COPYRIGHT BLOCK
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* Additional permission under GPLv3 section 7:
*
* In the following paragraph, "GPL" means the GNU General Public
* License, version 3 or any later version, and "Non-GPL Code" means
* code that is governed neither by the GPL nor a license
* compatible with the GPL.
*
* You may link the code of this Program with Non-GPL Code and convey
* linked combinations including the two, provided that such Non-GPL
* Code only links to the code of this Program through those well
* defined interfaces identified in the file named EXCEPTION found in
* the source code files (the "Approved Interfaces"). The files of
* Non-GPL Code may instantiate templates or use macros or inline
* functions from the Approved Interfaces without causing the resulting
* work to be covered by the GPL. Only the copyright holders of this
* Program may make changes or additions to the list of Approved
* Interfaces.
*
* Authors:
* Nathaniel McCallum <npmccallum@redhat.com>
*
* Copyright (C) 2013 Red Hat, Inc.
* All rights reserved.
* END COPYRIGHT BLOCK **/
#pragma once
#include <stdbool.h>
#include <stdint.h>
#include <stdlib.h>
struct hotp_token_key {
uint8_t *bytes;
size_t len;
};
struct hotp_token {
struct hotp_token_key key;
char *algo;
int digits;
};
/*
* An implementation of HOTP (RFC 4226).
*/
bool hotp(const struct hotp_token *token, uint64_t counter, uint32_t *out);