/* $Id$ */
/** @file
* IPRT - SHA1 digest creation
*
* @todo Replace this with generic RTCrDigest based implementation. Too much
* stupid code duplication.
*/
/*
* Copyright (C) 2009-2010 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 *
*******************************************************************************/
RTR3DECL(int) RTSha1Digest(void* pvBuf, size_t cbBuf, char **ppszDigest, PFNRTPROGRESS pfnProgressCallback, void *pvUser)
{
/* Validate input */
*ppszDigest = NULL;
/* Initialize the hash context. */
RTSha1Init(&Ctx);
/* Buffer size for progress callback */
/* Working buffer */
/* Process the memory in blocks */
for (;;)
{
cbReadTotal += cbRead;
/* Call the progress callback if one is defined */
if (pfnProgressCallback)
{
if (RT_FAILURE(rc))
break; /* canceled */
}
/* Finished? */
if (cbReadTotal == cbBuf)
break;
}
if (RT_SUCCESS(rc))
{
/* Finally calculate & format the SHA1 sum */
char *pszDigest;
if (RT_SUCCESS(rc))
{
if (RT_SUCCESS(rc))
*ppszDigest = pszDigest;
else
}
}
return rc;
}
RTR3DECL(int) RTSha1DigestFromFile(const char *pszFile, char **ppszDigest, PFNRTPROGRESS pfnProgressCallback, void *pvUser)
{
/* Validate input */
*ppszDigest = NULL;
/* Open the file to calculate a SHA1 sum of */
if (RT_FAILURE(rc))
return rc;
/* Fetch the file size. Only needed if there is a progress callback. */
double rdMulti = 0;
if (pfnProgressCallback)
{
if (RT_FAILURE(rc))
{
return rc;
}
}
/* Allocate a reasonably large buffer, fall back on a tiny one. */
void *pvBufFree;
if (!pvBuf)
{
cbBuf = 0x1000;
}
/* Initialize the hash context. */
RTSha1Init(&Ctx);
/* Read that file in blocks */
for (;;)
{
break;
cbReadTotal += cbRead;
/* Call the progress callback if one is defined */
if (pfnProgressCallback)
{
if (RT_FAILURE(rc))
break; /* canceled */
}
}
if (RT_FAILURE(rc))
return rc;
/* Finally calculate & format the SHA1 sum */
char *pszDigest;
if (RT_SUCCESS(rc))
{
if (RT_SUCCESS(rc))
*ppszDigest = pszDigest;
else
}
return rc;
}