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55 lines
1.5 KiB
C
55 lines
1.5 KiB
C
/* SPDX-License-Identifier: MIT OR BSD-3-Clause */
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/*
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* Copyright (C) 2016 The Android Open Source Project
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*/
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/* 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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#ifdef AVB_INSIDE_LIBAVB_H
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#error "You can't include avb_rsa.h in the public header libavb.h."
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#endif
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#ifndef AVB_COMPILATION
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#error "Never include this file, it may only be used from internal avb code."
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#endif
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#ifndef AVB_RSA_H_
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#define AVB_RSA_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include "avb_crypto.h"
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#include "avb_sysdeps.h"
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/* Using the key given by |key|, verify a RSA signature |sig| of
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* length |sig_num_bytes| against an expected |hash| of length
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* |hash_num_bytes|. The padding to expect must be passed in using
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* |padding| of length |padding_num_bytes|.
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*
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* The data in |key| must match the format defined in
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* |AvbRSAPublicKeyHeader|, including the two large numbers
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* following. The |key_num_bytes| must be the size of the entire
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* serialized key.
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*
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* Returns false if verification fails, true otherwise.
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*/
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bool avb_rsa_verify(const uint8_t* key,
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size_t key_num_bytes,
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const uint8_t* sig,
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size_t sig_num_bytes,
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const uint8_t* hash,
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size_t hash_num_bytes,
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const uint8_t* padding,
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size_t padding_num_bytes) AVB_ATTR_WARN_UNUSED_RESULT;
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#ifdef __cplusplus
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}
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#endif
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#endif /* AVB_RSA_H_ */
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