/*
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* Copyright (C) 2016 The Android Open Source Project
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*
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* Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use, copy,
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* modify, merge, publish, distribute, sublicense, and/or sell copies
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* of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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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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/*
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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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*/
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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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