libidav/crypto.h

Sun, 06 Aug 2017 14:41:20 +0200

author
Olaf Wintermann <olaf.wintermann@gmail.com>
date
Sun, 06 Aug 2017 14:41:20 +0200
changeset 283
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parent 260
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child 349
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permissions
-rw-r--r--

adds dav-sync introduction and sync.xml documentation

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1 /*
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2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
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3 *
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4 * Copyright 2016 Olaf Wintermann. All rights reserved.
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5 *
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6 * Redistribution and use in source and binary forms, with or without
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7 * modification, are permitted provided that the following conditions are met:
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8 *
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9 * 1. Redistributions of source code must retain the above copyright
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10 * notice, this list of conditions and the following disclaimer.
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11 *
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12 * 2. Redistributions in binary form must reproduce the above copyright
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13 * notice, this list of conditions and the following disclaimer in the
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14 * documentation and/or other materials provided with the distribution.
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15 *
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16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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26 * POSSIBILITY OF SUCH DAMAGE.
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27 */
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28
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29 #ifndef DAV_CRYPTO_H
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30 #define DAV_CRYPTO_H
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31
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32 #include "webdav.h"
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33 #include <openssl/evp.h>
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34 #include <ucx/string.h>
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35
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36 #if defined(__sun) && defined(__SunOS_5_10)
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37 #include <sha2.h>
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38 #define SHA256_Init SHA256Init
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39 #define SHA256_Update SHA256Update
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40 #define SHA256_Final SHA256Final
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41 #else
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42 #include <openssl/sha.h>
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43 #endif
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44
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45 #ifdef __cplusplus
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46 extern "C" {
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47 #endif
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48
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49 typedef struct {
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50 EVP_CIPHER_CTX *ctx;
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51 SHA256_CTX sha256;
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52 void *stream;
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53 dav_write_func write;
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54 DavKey *key;
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55 int init;
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56 unsigned char ivtmp[16];
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57 size_t ivpos;
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58 } AESDecrypter;
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60 typedef struct {
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61 EVP_CIPHER_CTX *ctx;
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62 SHA256_CTX sha256;
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63 void *iv;
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64 size_t ivlen;
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65 void *stream;
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66 dav_read_func read;
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67 char *tmp;
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68 size_t tmplen;
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69 size_t tmpoff;
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70 int end;
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71 } AESEncrypter;
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73 AESDecrypter* aes_decrypter_new(DavKey *key, void *stream, dav_write_func write_func);
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74 size_t aes_write(const void *buf, size_t s, size_t n, AESDecrypter *dec);
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75 void aes_decrypter_shutdown(AESDecrypter *dec);
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76 void aes_decrypter_close(AESDecrypter *dec);
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78 AESEncrypter* aes_encrypter_new(DavKey *key, void *stream, dav_read_func read_func);
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79 size_t aes_read(void *buf, size_t s, size_t n, AESEncrypter *enc);
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80 void aes_encrypter_close(AESEncrypter *enc);
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82 char* aes_encrypt(char *in, size_t len, DavKey *key);
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83 char* aes_decrypt(char *in, size_t *len, DavKey *key);
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85 void dav_get_hash(SHA256_CTX *sha256, unsigned char *buf);
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87 #ifdef __cplusplus
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88 }
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89 #endif
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91 #endif /* DAV_CRYPTO_H */
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92

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