db0850c3b6
This adds a small EC library that is capable of verifying a signature of SHA256 with ECDSA on the NIST P-256 curve. Change-Id: I2a16639c92a77e8e4783c47ffbc56676de56eb59
52 lines
2.1 KiB
C
52 lines
2.1 KiB
C
/*
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* Copyright 2005 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_SHA1_H_
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#define SYSTEM_CORE_INCLUDE_MINCRYPT_SHA1_H_
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#include <stdint.h>
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#include "hash-internal.h"
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#ifdef __cplusplus
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extern "C" {
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#endif // __cplusplus
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typedef HASH_CTX SHA_CTX;
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void SHA_init(SHA_CTX* ctx);
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void SHA_update(SHA_CTX* ctx, const void* data, int len);
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const uint8_t* SHA_final(SHA_CTX* ctx);
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// Convenience method. Returns digest address.
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// NOTE: *digest needs to hold SHA_DIGEST_SIZE bytes.
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const uint8_t* SHA_hash(const void* data, int len, uint8_t* digest);
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#define SHA_DIGEST_SIZE 20
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#ifdef __cplusplus
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}
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#endif // __cplusplus
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#endif // SYSTEM_CORE_INCLUDE_MINCRYPT_SHA1_H_
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