dav/crypto.h

changeset 40
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parent 39
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child 41
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equal deleted inserted replaced
39:3e55bed345f9 40:a95ee94b9204
1 /*
2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
3 *
4 * Copyright 2013 Olaf Wintermann. All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 *
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 #ifndef DAV_CRYPTO_H
30 #define DAV_CRYPTO_H
31
32 #include <libidav/webdav.h>
33 #include "config.h"
34 #include <openssl/evp.h>
35 #include <ucx/string.h>
36
37 #ifdef __cplusplus
38 extern "C" {
39 #endif
40
41 typedef struct {
42 EVP_CIPHER_CTX ctx;
43 void *stream;
44 dav_write_func write;
45 Key *key;
46 int init;
47 unsigned char ivtmp[16];
48 size_t ivpos;
49 } AESDecrypter;
50
51 typedef struct {
52 EVP_CIPHER_CTX ctx;
53 void *iv;
54 size_t ivlen;
55 void *stream;
56 dav_read_func read;
57 char *tmp;
58 size_t tmplen;
59 size_t tmpoff;
60 int end;
61 } AESEncrypter;
62
63 AESDecrypter* aes_decrypter_new(Key *key, void *stream, dav_write_func write_func);
64 size_t aes_write(const void *buf, size_t s, size_t n, AESDecrypter *dec);
65 void aes_decrypter_close(AESDecrypter *dec);
66 void aes_decrypter_close2(EVP_CIPHER_CTX *ctx);
67
68 AESEncrypter* aes_encrypter_new(Key *key, void *stream, dav_read_func read_func);
69 size_t aes_read(void *buf, size_t s, size_t n, AESEncrypter *enc);
70 void aes_encrypter_close(AESEncrypter *enc);
71
72 char* aes_encrypt(char *in, Key *key);
73 char* aes_decrypt(char *in, Key *key);
74
75 #ifdef __cplusplus
76 }
77 #endif
78
79 #endif /* DAV_CRYPTO_H */
80

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