RTSha1Digest.cpp revision e64031e20c39650a7bc902a3e1aba613b9415dee
/* $Id$ */
/** @file
* IPRT - SHA1 digest creation
*/
/*
* Copyright (C) 2009 Oracle Corporation
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* General Public License (GPL) as published by the Free Software
* Foundation, in version 2 as it comes in the "COPYING" file of the
* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
*
* The contents of this file may alternatively be used under the terms
* of the Common Development and Distribution License Version 1.0
* (CDDL) only, as it comes in the "COPYING.CDDL" file of the
* VirtualBox OSE distribution, in which case the provisions of the
* CDDL are applicable instead of those of the GPL.
*
* You may elect to license modified versions of this file under the
* terms and conditions of either the GPL or the CDDL or both.
*/
/*******************************************************************************
* Header Files *
*******************************************************************************/
{
/* Validate input */
*ppszDigest = NULL;
/* Initialize OpenSSL */
return VERR_INTERNAL_ERROR;
/** @todo r=bird: Using a stream here doesn't really serve much purpose as
* few stream implementations uses a buffer much larger than 4KB. (The
* only I'm aware of is libc on OS/2, which uses 8KB.) */
/* Open the file to calculate a SHA1 sum of */
if (RT_FAILURE(rc))
return rc;
/* Read that file in blocks */
void *pvBuf[4096];
do
{
cbRead = 0;
if (RT_FAILURE(rc))
break;
{
break;
}
} while (cbRead > 0);
if (RT_FAILURE(rc))
return rc;
/* Finally calculate & format the SHA1 sum */
unsigned char auchDig[20];
return VERR_INTERNAL_ERROR;
int cch = RTStrAPrintf(ppszDigest, "%.2x%.2x%.2x%.2x%.2x%.2x%.2x%.2x%.2x%.2x%.2x%.2x%.2x%.2x%.2x%.2x%.2x%.2x%.2x%.2x",
return rc;
}