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m241Neelima/vxworks-6.9/target/h/wrn/wm/common/hmac.h
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2026-07-30 11:19:44 +05:30

110 lines
3.0 KiB
C

/* $Header: /usr/cvsroot/target/h/wrn/wm/common/hmac.h,v 1.3 2003/01/16 18:20:12 josh Exp $ */
/*
* Copyright (C) 1999-2005 Wind River Systems, Inc.
* All rights reserved. Provided under license only.
* Distribution or other use of this software is only
* permitted pursuant to the terms of a license agreement
* from Wind River Systems (and is otherwise prohibited).
* Refer to that license agreement for terms of use.
*/
/****************************************************************************
* Copyright 1997 Epilogue Technology Corporation.
* Copyright 1998 Integrated Systems, Inc.
* All rights reserved.
****************************************************************************/
/*
* $Log: hmac.h,v $
* Revision 1.3 2003/01/16 18:20:12 josh
* directory structure shifting
*
* Revision 1.2 2001/11/07 00:07:10 meister
* Rework pathnames again
*
* Revision 1.1.1.1 2001/11/05 17:47:18 tneale
* Tornado shuffle
*
* Revision 1.5 2001/01/19 22:21:28 paul
* Update copyright.
*
* Revision 1.4 2000/03/17 00:16:37 meister
* Update copyright message
*
* Revision 1.3 2000/03/09 17:15:39 tneale
* Added #idef C++ to declare extern C if needed
*
* Revision 1.2 1998/06/18 04:11:24 sar
* clean up some type info, make the lengths be bits32_t
*
* Revision 1.1 1998/05/22 17:59:58 sar
* Adding include files for hmac and sha
*
*/
/* [clearcase]
modification history
-------------------
01a,20apr05,job update copyright notices
*/
#ifndef HMAC_H
#define HMAC_H 1
#ifdef __cplusplus
extern"C" {
#endif
/* get the installation options */
#ifndef EPILOGUE_INSTALL_H
#include <wrn/wm/common/install.h>
#endif /* EPILOGUE_INSTALL_H */
/* get the Epilogue types */
#ifndef EPILOGUE_TYPES_H
#include <wrn/wm/common/types.h>
#endif /* EPILOGUE_TYPES_H */
/* Data structure for HMAC computation */
#define HMAC_STATESIZ_MAX 128
#define HMAC_HASHSIZ_MAX 24 /* keep them 64-bit aligned */
typedef void (*hashfcn_init_t)(void *state);
typedef void (*hashfcn_update_t)(void *state, bits8_t *data, bits32_t datalen);
typedef void (*hashfcn_final_t)(void *state, bits8_t *output);
typedef struct {
bits8_t hmac_state [HMAC_STATESIZ_MAX];
bits8_t hmac_tmp [HMAC_HASHSIZ_MAX];
hashfcn_init_t hmac_hashinit;
hashfcn_update_t hmac_hashupdate;
hashfcn_final_t hmac_hashfinal;
bits32_t hmac_hashlen;
} HMAC_CTX;
/* Initialize an HMAC context. Needs the three hash function interface calls,
the size of the output hash, and the size of the state block needed by the
underlying hash function. */
void InitHmacCTX __((HMAC_CTX *ctx,
hashfcn_init_t init,
hashfcn_update_t update,
hashfcn_final_t final,
bits32_t hashsiz));
void hmac_init __((HMAC_CTX *ctx, bits8_t *key, bits32_t keylen));
void hmac_update __((HMAC_CTX *ctx, bits8_t *data, bits32_t datalen));
void hmac_final __((HMAC_CTX *ctx, bits8_t *key, bits32_t keylen,
bits8_t *output));
#ifdef __cplusplus
}
#endif
#endif /* HMAC_H */