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https://github.com/trezor/trezor-firmware.git
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54 lines
2.3 KiB
C
54 lines
2.3 KiB
C
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/*
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* Copyright 2013 The Android Open Source Project
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of Google Inc. nor the names of its contributors may
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* be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY Google Inc. ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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* EVENT SHALL Google Inc. BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef SYSTEM_CORE_INCLUDE_MINCRYPT_P256_ECDSA_H_
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#define SYSTEM_CORE_INCLUDE_MINCRYPT_P256_ECDSA_H_
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// Using current directory as relative include path here since
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// this code typically gets lifted into a variety of build systems
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// and directory structures.
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#include "p256.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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// Returns 0 if {r,s} is not a signature on message for
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// public key {key_x,key_y}.
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//
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// Note: message is a p256_int.
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// Convert from a binary string using p256_from_bin().
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int p256_ecdsa_verify(const p256_int* key_x,
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const p256_int* key_y,
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const p256_int* message,
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const p256_int* r, const p256_int* s);
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#ifdef __cplusplus
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}
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#endif
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#endif // SYSTEM_CORE_INCLUDE_MINCRYPT_P256_ECDSA_H_
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