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60 lines
1.4 KiB
C
60 lines
1.4 KiB
C
/*
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* Copyright 2016 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the OpenSSL license (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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/*
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* Derived from the BLAKE2 reference implementation written by Samuel Neves.
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* Copyright 2012, Samuel Neves <sneves@dei.uc.pt>
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* More information about the BLAKE2 hash function and its implementations
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* can be found at https://blake2.net.
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*/
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#include "internal/cryptlib.h"
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#ifndef OPENSSL_NO_BLAKE2
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# include <openssl/evp.h>
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# include <openssl/objects.h>
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# include "blake2_locl.h"
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# include "internal/evp_int.h"
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static int init(EVP_MD_CTX *ctx)
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{
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return BLAKE2s_Init(EVP_MD_CTX_md_data(ctx));
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}
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static int update(EVP_MD_CTX *ctx, const void *data, size_t count)
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{
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return BLAKE2s_Update(EVP_MD_CTX_md_data(ctx), data, count);
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}
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static int final(EVP_MD_CTX *ctx, unsigned char *md)
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{
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return BLAKE2s_Final(md, EVP_MD_CTX_md_data(ctx));
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}
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static const EVP_MD blake2s_md = {
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NID_blake2s256,
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0,
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BLAKE2S_DIGEST_LENGTH,
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0,
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init,
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update,
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final,
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NULL,
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NULL,
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BLAKE2S_BLOCKBYTES,
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sizeof(EVP_MD *) + sizeof(BLAKE2S_CTX),
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};
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const EVP_MD *EVP_blake2s256(void)
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{
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return (&blake2s_md);
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}
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#endif
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