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Commit | Line | Data |
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0f113f3e | 1 | /* |
aa6bb135 | 2 | * Copyright 2011-2016 The OpenSSL Project Authors. All Rights Reserved. |
20bee968 | 3 | * |
e38873f5 | 4 | * Licensed under the Apache License 2.0 (the "License"). You may not use |
aa6bb135 RS |
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 | |
20bee968 DSH |
8 | */ |
9 | ||
ada66e78 P |
10 | /* |
11 | * DH low level APIs are deprecated for public use, but still ok for | |
12 | * internal use. | |
13 | */ | |
14 | #include "internal/deprecated.h" | |
15 | ||
20bee968 | 16 | #include <stdio.h> |
b39fc560 | 17 | #include "internal/cryptlib.h" |
706457b7 | 18 | #include "dh_local.h" |
20bee968 | 19 | #include <openssl/bn.h> |
25f2138b | 20 | #include "crypto/bn_dh.h" |
20bee968 | 21 | |
0f113f3e MC |
22 | /* |
23 | * Macro to make a DH structure from BIGNUM data. NB: although just copying | |
75f648aa RS |
24 | * the BIGNUM static pointers would be more efficient, we can't do that |
25 | * because they get wiped using BN_clear_free() when DH_free() is called. | |
20bee968 DSH |
26 | */ |
27 | ||
28 | #define make_dh(x) \ | |
75f648aa RS |
29 | DH *DH_get_##x(void) \ |
30 | { \ | |
31 | DH *dh = DH_new(); \ | |
32 | \ | |
33 | if (dh == NULL) \ | |
34 | return NULL; \ | |
dc8de3e6 SL |
35 | dh->params.p = BN_dup(&_bignum_dh##x##_p); \ |
36 | dh->params.g = BN_dup(&_bignum_dh##x##_g); \ | |
37 | dh->params.q = BN_dup(&_bignum_dh##x##_q); \ | |
38 | if (dh->params.p == NULL || dh->params.q == NULL || dh->params.g == NULL) {\ | |
75f648aa RS |
39 | DH_free(dh); \ |
40 | return NULL; \ | |
41 | } \ | |
42 | return dh; \ | |
43 | } | |
20bee968 DSH |
44 | |
45 | make_dh(1024_160) | |
46 | make_dh(2048_224) | |
47 | make_dh(2048_256) |