[331] | 1 | /*
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| 2 | * Copyright 2016 The OpenSSL Project Authors. All Rights Reserved.
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| 3 | *
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| 4 | * Licensed under the OpenSSL license (the "License"). You may not use
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| 5 | * this file except in compliance with the License. You can obtain a copy
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| 6 | * in the file LICENSE in the source distribution or at
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| 7 | * https://www.openssl.org/source/license.html
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| 8 | */
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| 9 |
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| 10 | /*
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| 11 | * Derived from the BLAKE2 reference implementation written by Samuel Neves.
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| 12 | * Copyright 2012, Samuel Neves <sneves@dei.uc.pt>
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| 13 | * More information about the BLAKE2 hash function and its implementations
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| 14 | * can be found at https://blake2.net.
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| 15 | */
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| 16 |
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| 17 | #include "internal/cryptlib.h"
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| 18 |
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| 19 | #ifndef OPENSSL_NO_BLAKE2
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| 20 |
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| 21 | # include <openssl/evp.h>
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| 22 | # include <openssl/objects.h>
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| 23 | # include "blake2_locl.h"
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| 24 | # include "internal/evp_int.h"
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| 25 |
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| 26 | static int init(EVP_MD_CTX *ctx)
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| 27 | {
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| 28 | return BLAKE2s_Init(EVP_MD_CTX_md_data(ctx));
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| 29 | }
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| 30 |
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| 31 | static int update(EVP_MD_CTX *ctx, const void *data, size_t count)
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| 32 | {
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| 33 | return BLAKE2s_Update(EVP_MD_CTX_md_data(ctx), data, count);
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| 34 | }
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| 35 |
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| 36 | static int final(EVP_MD_CTX *ctx, unsigned char *md)
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| 37 | {
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| 38 | return BLAKE2s_Final(md, EVP_MD_CTX_md_data(ctx));
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| 39 | }
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| 40 |
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| 41 | static const EVP_MD blake2s_md = {
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| 42 | NID_blake2s256,
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| 43 | 0,
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| 44 | BLAKE2S_DIGEST_LENGTH,
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| 45 | 0,
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| 46 | init,
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| 47 | update,
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| 48 | final,
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| 49 | NULL,
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| 50 | NULL,
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| 51 | BLAKE2S_BLOCKBYTES,
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| 52 | sizeof(EVP_MD *) + sizeof(BLAKE2S_CTX),
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| 53 | };
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| 54 |
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| 55 | const EVP_MD *EVP_blake2s256(void)
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| 56 | {
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| 57 | return (&blake2s_md);
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| 58 | }
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| 59 | #endif
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