diff options
Diffstat (limited to 'src/zklaim/zklaim.c')
-rw-r--r-- | src/zklaim/zklaim.c | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/src/zklaim/zklaim.c b/src/zklaim/zklaim.c new file mode 100644 index 000000000..a53c193d1 --- /dev/null +++ b/src/zklaim/zklaim.c | |||
@@ -0,0 +1,79 @@ | |||
1 | /* | ||
2 | This file is part of GNUnet. Copyright (C) 2001-2018 Christian Grothoff | ||
3 | (and other contributing authors) | ||
4 | |||
5 | GNUnet is free software: you can redistribute it and/or modify it | ||
6 | under the terms of the GNU Affero General Public License as published | ||
7 | by the Free Software Foundation, either version 3 of the License, | ||
8 | or (at your option) any later version. | ||
9 | |||
10 | GNUnet is distributed in the hope that it will be useful, but | ||
11 | WITHOUT ANY WARRANTY; without even the implied warranty of | ||
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
13 | Affero General Public License for more details. | ||
14 | |||
15 | You should have received a copy of the GNU Affero General Public License | ||
16 | along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
17 | |||
18 | */ | ||
19 | |||
20 | /** | ||
21 | * @file abe/abe.c | ||
22 | * @brief functions for Attribute-Based Encryption | ||
23 | * @author Martin Schanzenbach | ||
24 | */ | ||
25 | |||
26 | |||
27 | #include "platform.h" | ||
28 | #include <zklaim/zklaim.h> | ||
29 | #include "gnunet_crypto_lib.h" | ||
30 | |||
31 | struct GNUNET_ZKLAIM_Context | ||
32 | { | ||
33 | zklaim_ctx* ctx; | ||
34 | gcry_sexp_t priv; | ||
35 | gcry_sexp_t pub; | ||
36 | }; | ||
37 | |||
38 | struct GNUNET_ZKLAIM_Payload | ||
39 | { | ||
40 | zklaim_payload pl; | ||
41 | }; | ||
42 | |||
43 | struct GNUNET_ZKLAIM_Context* | ||
44 | GNUNET_ZKLAIM_new () | ||
45 | { | ||
46 | struct GNUNET_ZKLAIM_Context *ctx; | ||
47 | unsigned char *pubbuf; | ||
48 | size_t publen; | ||
49 | |||
50 | ctx = GNUNET_new (struct GNUNET_ZKLAIM_Context); | ||
51 | ctx->ctx = zklaim_context_new(); | ||
52 | zklaim_pub2buf(ctx->pub, &pubbuf, &publen); | ||
53 | zklaim_gen_pk(&ctx->priv); | ||
54 | zklaim_get_pub(ctx->priv, &ctx->pub); | ||
55 | if (sizeof(ctx->ctx->pub_key) != publen) { | ||
56 | printf("size mismatch!"); | ||
57 | return NULL; | ||
58 | } | ||
59 | |||
60 | memcpy(ctx->ctx->pub_key, pubbuf, sizeof(ctx->ctx->pub_key)); | ||
61 | free(pubbuf); | ||
62 | return ctx; | ||
63 | } | ||
64 | |||
65 | int | ||
66 | GNUNET_ZKLAIM_add_payload (struct GNUNET_ZKLAIM_Context *ctx, | ||
67 | struct GNUNET_ZKLAIM_Payload *pl) | ||
68 | { | ||
69 | zklaim_add_pl (ctx->ctx, pl->pl); | ||
70 | return GNUNET_OK; | ||
71 | } | ||
72 | |||
73 | int | ||
74 | GNUNET_ZKLAIM_finalize (struct GNUNET_ZKLAIM_Context *ctx) | ||
75 | { | ||
76 | zklaim_hash_ctx (ctx->ctx); | ||
77 | zklaim_ctx_sign (ctx->ctx, ctx->priv); | ||
78 | return 1; | ||
79 | } | ||