1 /*
2 * Copyright 2019-2023 The OpenSSL Project Authors. All Rights Reserved.
3 *
4 * Licensed under the Apache License 2.0 (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
8 */
9
10 #include "crypto/evp.h"
11 #include "prov/blake2.h" /* diverse BLAKE2 macros */
12 #include "legacy_meth.h"
13
14 /*
15 * Local hack to adapt the BLAKE2 init functions to what the
16 * legacy function signatures demand.
17 */
blake2s_init(BLAKE2S_CTX * C)18 static int blake2s_init(BLAKE2S_CTX *C)
19 {
20 BLAKE2S_PARAM P;
21
22 ossl_blake2s_param_init(&P);
23 return ossl_blake2s_init(C, &P);
24 }
blake2b_init(BLAKE2B_CTX * C)25 static int blake2b_init(BLAKE2B_CTX *C)
26 {
27 BLAKE2B_PARAM P;
28
29 ossl_blake2b_param_init(&P);
30 return ossl_blake2b_init(C, &P);
31 }
32 #define blake2s_update ossl_blake2s_update
33 #define blake2b_update ossl_blake2b_update
34 #define blake2s_final ossl_blake2s_final
35 #define blake2b_final ossl_blake2b_final
36
37 IMPLEMENT_LEGACY_EVP_MD_METH_LC(blake2s_int, blake2s)
38 IMPLEMENT_LEGACY_EVP_MD_METH_LC(blake2b_int, blake2b)
39
40 static const EVP_MD blake2b_md = {
41 NID_blake2b512,
42 0,
43 BLAKE2B_DIGEST_LENGTH,
44 0,
45 EVP_ORIG_GLOBAL,
46 LEGACY_EVP_MD_METH_TABLE(blake2b_int_init, blake2b_int_update,
47 blake2b_int_final, NULL, BLAKE2B_BLOCKBYTES),
48 };
49
EVP_blake2b512(void)50 const EVP_MD *EVP_blake2b512(void)
51 {
52 return &blake2b_md;
53 }
54
55 static const EVP_MD blake2s_md = {
56 NID_blake2s256,
57 0,
58 BLAKE2S_DIGEST_LENGTH,
59 0,
60 EVP_ORIG_GLOBAL,
61 LEGACY_EVP_MD_METH_TABLE(blake2s_int_init, blake2s_int_update,
62 blake2s_int_final, NULL, BLAKE2S_BLOCKBYTES),
63 };
64
EVP_blake2s256(void)65 const EVP_MD *EVP_blake2s256(void)
66 {
67 return &blake2s_md;
68 }
69
