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5a9f498182
Another in a continued stream of refactoring. This change removes more of the vb1 rsa library code and associated tests, in favor of their vb2 equivalents. This change touches only host-side code and its tests, not firmware. BUG=chromium:611535 BRANCH=none TEST=make runtests; emerge-kevin coreboot depthcharge Change-Id: I1973bc2f03c60da62232e30bab0fa5fe791b6b34 Signed-off-by: Randall Spangler <rspangler@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/400901
45 lines
1.1 KiB
C
45 lines
1.1 KiB
C
/* Copyright (c) 2011 The Chromium OS Authors. All rights reserved.
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*
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* Utility functions for file and key handling.
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*/
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#include <fcntl.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <unistd.h>
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#include "2sysincludes.h"
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#include "2common.h"
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#include "2sha.h"
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#include "cryptolib.h"
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#include "file_keys.h"
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#include "host_common.h"
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#include "signature_digest.h"
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int DigestFile(char *input_file, enum vb2_hash_algorithm alg,
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uint8_t *digest, uint32_t digest_size)
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{
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int input_fd, len;
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uint8_t data[VB2_SHA1_BLOCK_SIZE];
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struct vb2_digest_context ctx;
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if( (input_fd = open(input_file, O_RDONLY)) == -1 ) {
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VBDEBUG(("Couldn't open %s\n", input_file));
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return VB2_ERROR_UNKNOWN;
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}
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vb2_digest_init(&ctx, alg);
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while ((len = read(input_fd, data, sizeof(data))) == sizeof(data))
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vb2_digest_extend(&ctx, data, len);
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if (len != -1)
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vb2_digest_extend(&ctx, data, len);
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close(input_fd);
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return vb2_digest_finalize(&ctx, digest, digest_size);
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}
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