Files
OpenCellular/host/lib/file_keys.c
Randall Spangler 13c0776aab vboot: Remove the remainder of vb1 cryptolib
At this point, all that's left are a few constants in the cryptolib
header files, and they're only used by host-side code.  So move them to
a host-side header file and get rid of cryptolib.

BUG=chromium:611535
BRANCH=none
TEST=make runtests; emerge-kevin coreboot depthcharge

Change-Id: I2235f0e84e13fef313afe54e749b73744b157884
Signed-off-by: Randall Spangler <rspangler@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/400903
Reviewed-by: Daisuke Nojiri <dnojiri@chromium.org>
2016-11-06 02:33:19 +00:00

44 lines
1.1 KiB
C

/* Copyright (c) 2011 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*
* Utility functions for file and key handling.
*/
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
#include "2sysincludes.h"
#include "2common.h"
#include "2sha.h"
#include "file_keys.h"
#include "host_common.h"
#include "signature_digest.h"
int DigestFile(char *input_file, enum vb2_hash_algorithm alg,
uint8_t *digest, uint32_t digest_size)
{
int input_fd, len;
uint8_t data[VB2_SHA1_BLOCK_SIZE];
struct vb2_digest_context ctx;
if( (input_fd = open(input_file, O_RDONLY)) == -1 ) {
VBDEBUG(("Couldn't open %s\n", input_file));
return VB2_ERROR_UNKNOWN;
}
vb2_digest_init(&ctx, alg);
while ((len = read(input_fd, data, sizeof(data))) == sizeof(data))
vb2_digest_extend(&ctx, data, len);
if (len != -1)
vb2_digest_extend(&ctx, data, len);
close(input_fd);
return vb2_digest_finalize(&ctx, digest, digest_size);
}