/usr/include/I2util/hmac-sha1.h is in libi2util-dev 1.2-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* ex: set tabstop=4 ai expandtab softtabstop=4 shiftwidth=4:
* -*- mode: c-basic-indent: 4; tab-width: 4; indent-tabls-mode: nil -*-
* $Id: hmac-sha1.h 216 2012-10-16 19:57:01Z aaron $
*/
/************************************************************************
* *
* Copyright (C) 2006 *
* Internet2 *
* All Rights Reserved *
* *
************************************************************************/
/*
* File: hmac-sha1.h
*
* Author: Jeff W. Boote
* Internet2
*
* Date: Sat Oct 07 12:33:33 MDT 2006
*
* Description:
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
#ifndef I2HMAC_SHA1_H
#define I2HMAC_SHA1_H
#include <I2util/util.h>
#include <I2util/sha1.h>
BEGIN_C_DECLS
#define I2HMAC_SHA1_DIGEST_SIZE 20
#define I2HMAC_SHA1_BLOCK_SIZE 64
struct I2HMACSha1ContextRec;
typedef struct I2HMACSha1ContextRec *I2HMACSha1Context;
extern I2HMACSha1Context
I2HMACSha1Alloc(
I2ErrHandle eh
);
extern void I2HMACSha1Free(
I2HMACSha1Context hmac
);
extern void I2HMACSha1Init(
I2HMACSha1Context hmac,
const uint8_t *key,
uint32_t len
);
extern void I2HMACSha1Append(
I2HMACSha1Context hmac,
const uint8_t *txt,
uint32_t len
);
extern void I2HMACSha1Finish(
I2HMACSha1Context hmac,
uint8_t *digest_ret /* I2HMAC_SHA1_DIGEST_SIZE */
);
extern void I2HMACSha1(
const uint8_t *key,
uint32_t keylen,
const uint8_t *txt,
uint32_t txtlen,
uint8_t *digest_ret
);
END_C_DECLS
#endif /* I2HMAC_SHA1_H */
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