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7c3ae42e04
This change replaces all calls to the old vboot1 SHA library with their vboot2 equivalents. This is the first in a long series of changes to move the core vboot kernel verification into vb2, and the control/display loop out to depthcharge. BUG=chromium:611535 BRANCH=none TEST=make runtests; build samus firmware and boot it Change-Id: I31986eb766176c0e39a192c5ce15730471c3cf94 Signed-off-by: Randall Spangler <rspangler@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/344342 Tested-by: Daisuke Nojiri <dnojiri@chromium.org> Reviewed-by: Daisuke Nojiri <dnojiri@chromium.org>
60 lines
1.4 KiB
C
60 lines
1.4 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 for to generate a padded hash suitable for generating
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* PKCS#1.5 signatures.
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*/
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#include <stdio.h>
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#include <stdlib.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 "file_keys.h"
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#include "host_common.h"
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#include "padding.h"
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#include "signature_digest.h"
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int main(int argc, char* argv[]) {
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int algorithm = -1;
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int error_code = 0;
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uint8_t* digest = NULL;
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uint8_t* padded_digest = NULL;
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uint64_t len;
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uint32_t padded_digest_len;
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if (argc != 3) {
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fprintf(stderr, "Usage: %s <alg_id> <digest_file>", argv[0]);
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return -1;
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}
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algorithm = atoi(argv[1]);
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if (algorithm < 0 || algorithm >= kNumAlgorithms) {
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fprintf(stderr, "Invalid Algorithm!\n");
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return -1;
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}
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digest = BufferFromFile(argv[2], &len);
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if (!digest) {
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fprintf(stderr, "Could not read file: %s\n", argv[2]);
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return -1;
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}
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padded_digest = PrependDigestInfo(algorithm, digest);
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const int digest_size = vb2_digest_size(vb2_crypto_to_hash(algorithm));
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padded_digest_len = (digest_size + digestinfo_size_map[algorithm]);
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if (!padded_digest)
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error_code = -1;
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if(padded_digest &&
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1 != fwrite(padded_digest, padded_digest_len, 1, stdout))
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error_code = -1;
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free(padded_digest);
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free(digest);
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return error_code;
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}
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