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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 | * |
aa6bb135 RS |
4 | * Licensed under the OpenSSL license (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 | |
20bee968 DSH |
8 | */ |
9 | ||
10 | #include <stdio.h> | |
b39fc560 | 11 | #include "internal/cryptlib.h" |
0aeddcfa | 12 | #include "dh_locl.h" |
20bee968 | 13 | #include <openssl/bn.h> |
2f1a5d16 | 14 | #include "internal/bn_dh.h" |
20bee968 | 15 | |
0f113f3e MC |
16 | /* |
17 | * Macro to make a DH structure from BIGNUM data. NB: although just copying | |
75f648aa RS |
18 | * the BIGNUM static pointers would be more efficient, we can't do that |
19 | * because they get wiped using BN_clear_free() when DH_free() is called. | |
20bee968 DSH |
20 | */ |
21 | ||
22 | #define make_dh(x) \ | |
75f648aa RS |
23 | DH *DH_get_##x(void) \ |
24 | { \ | |
25 | DH *dh = DH_new(); \ | |
26 | \ | |
27 | if (dh == NULL) \ | |
28 | return NULL; \ | |
29 | dh->p = BN_dup(&_bignum_dh##x##_p); \ | |
30 | dh->g = BN_dup(&_bignum_dh##x##_g); \ | |
31 | dh->q = BN_dup(&_bignum_dh##x##_q); \ | |
32 | if (dh->p == NULL || dh->q == NULL || dh->g == NULL) {\ | |
33 | DH_free(dh); \ | |
34 | return NULL; \ | |
35 | } \ | |
36 | return dh; \ | |
37 | } | |
20bee968 DSH |
38 | |
39 | make_dh(1024_160) | |
40 | make_dh(2048_224) | |
41 | make_dh(2048_256) |