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2d0b4412 | 1 | /* |
2d0b4412 | 2 | * Copyright 2012, Samuel Neves <sneves@dei.uc.pt>. |
208527a7 | 3 | * Copyright 2016 The OpenSSL Project Authors. All Rights Reserved. |
2d0b4412 | 4 | * |
e0a65194 | 5 | * Licensed under the OpenSSL licenses (the "License"); |
208527a7 KR |
6 | * you may not use this file except in compliance with the License. |
7 | * You may obtain a copy of the License at | |
8 | * https://www.openssl.org/source/license.html | |
9 | * or in the file LICENSE in the source distribution. | |
2d0b4412 BC |
10 | */ |
11 | ||
208527a7 KR |
12 | /* |
13 | * Derived from the BLAKE2 reference implementation written by Samuel Neves. | |
14 | * More information about the BLAKE2 hash function and its implementations | |
15 | * can be found at https://blake2.net. | |
16 | */ | |
2d0b4412 | 17 | |
2d0b4412 BC |
18 | #include "internal/cryptlib.h" |
19 | ||
20 | #ifndef OPENSSL_NO_BLAKE2 | |
21 | ||
22 | # include <openssl/evp.h> | |
23 | # include <openssl/objects.h> | |
01ce6f74 | 24 | # include "blake2_locl.h" |
2d0b4412 BC |
25 | # include "internal/evp_int.h" |
26 | ||
27 | static int init(EVP_MD_CTX *ctx) | |
28 | { | |
29 | return BLAKE2s_Init(EVP_MD_CTX_md_data(ctx)); | |
30 | } | |
31 | ||
32 | static int update(EVP_MD_CTX *ctx, const void *data, size_t count) | |
33 | { | |
34 | return BLAKE2s_Update(EVP_MD_CTX_md_data(ctx), data, count); | |
35 | } | |
36 | ||
37 | static int final(EVP_MD_CTX *ctx, unsigned char *md) | |
38 | { | |
39 | return BLAKE2s_Final(md, EVP_MD_CTX_md_data(ctx)); | |
40 | } | |
41 | ||
42 | static const EVP_MD blake2s_md = { | |
208527a7 | 43 | NID_blake2s256, |
2d0b4412 BC |
44 | 0, |
45 | BLAKE2S_DIGEST_LENGTH, | |
46 | 0, | |
47 | init, | |
48 | update, | |
49 | final, | |
50 | NULL, | |
51 | NULL, | |
52 | 0, | |
53 | sizeof(EVP_MD *) + sizeof(BLAKE2S_CTX), | |
54 | }; | |
55 | ||
208527a7 | 56 | const EVP_MD *EVP_blake2s256(void) |
2d0b4412 BC |
57 | { |
58 | return (&blake2s_md); | |
59 | } | |
60 | #endif |