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[debug] Add DBG_MD5() and related macros

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Signed-off-by: Michael Brown <mcb30@ipxe.org>
This commit is contained in:
Michael Brown
2010-12-05 19:38:01 +00:00
parent 9252fead9a
commit 66531a5918
2 changed files with 108 additions and 0 deletions
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47
src/core/debug_md5.c Normal file
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/*
* Copyright (C) 2006 Michael Brown <mbrown@fensystems.co.uk>.
*
* 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 2 of the
* License, or 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, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
FILE_LICENCE ( GPL2_OR_LATER );
#include <stdio.h>
#include <stdint.h>
#include <ipxe/crypto.h>
#include <ipxe/md5.h>
/**
* Print an MD5 checksum with specified display address
*
* @v dispaddr Display address
* @v data Data to checksum
* @v len Length of data
*/
void dbg_md5_da ( unsigned long dispaddr, const void *data,
unsigned long len ) {
struct digest_algorithm *digest = &md5_algorithm;
uint8_t digest_ctx[digest->ctxsize];
uint8_t digest_out[digest->digestsize];
unsigned int i;
printf ( "md5sum ( %#08lx, %#lx ) = ", dispaddr, len );
digest_init ( digest, digest_ctx );
digest_update ( digest, digest_ctx, data, len );
digest_final ( digest, digest_ctx, digest_out );
for ( i = 0 ; i < sizeof ( digest_out ) ; i++ )
printf ( "%02x", digest_out[i] );
printf ( "\n" );
}