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41 lines
1.9 KiB
C
41 lines
1.9 KiB
C
// P-384 from BearSSL, https://bearssl.org commit 7bea48e
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// P-384 signature verification, used by built-in TLS for certificates and
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// CertificateVerify. Shared bignum and ECDSA code is in tls_p256.c
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//
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// Copyright (c) 2016 Thomas Pornin <pornin@bolet.org>
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// 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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// Mongoose changes: br_ / BR_ names are prefixed with mg_ / MG_, static
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// functions with p384_. Trimmed to P-384. Structs are not typedef-ed
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#pragma once
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#include "arch.h"
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#include "config.h"
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#include "tls.h"
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#if MG_TLS == MG_TLS_BUILTIN || defined(MG_OTA_PUBLIC_KEY)
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// Verify ECDSA P-384 signature r || s over hash. Public key is X || Y.
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// Return 1 on success, 0 on failure
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int mg_p384_verify(const uint8_t public_key[96], const uint8_t *hash,
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size_t hash_size, const uint8_t signature[96]);
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#endif // MG_TLS == MG_TLS_BUILTIN || defined(MG_OTA_PUBLIC_KEY)
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