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https://github.com/Telecominfraproject/OpenCellular.git
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32a6526d25
This is part 2 of the wrapper API refactor. It adds stub implementations for the host, and changes the host-side utilities to use them. Firmware implementation is unchanged in this CL (other than a few updates to macros). BUG=chromium_os:16997 TEST=make && make runtests Change-Id: I63989bd11de1f2239ddae256beaccd31bfb5acef Reviewed-on: http://gerrit.chromium.org/gerrit/3256 Reviewed-by: Stefan Reinauer <reinauer@chromium.org> Tested-by: Randall Spangler <rspangler@chromium.org>
56 lines
1.3 KiB
C
56 lines
1.3 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 "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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padded_digest_len = (hash_size_map[algorithm] +
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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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