libidav/crypto.c

Fri, 01 Jun 2018 09:23:51 +0200

author
Olaf Wintermann <olaf.wintermann@gmail.com>
date
Fri, 01 Jun 2018 09:23:51 +0200
changeset 402
babdf40dd22c
parent 367
4a6a59f89f9f
child 404
5c08b8e14df8
permissions
-rw-r--r--

dav-sync pull applies config tag filter now

also changes, that include/exclude filters never lead to file deletion

40
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
1 /*
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
3 *
349
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
4 * Copyright 2017 Olaf Wintermann. All rights reserved.
40
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
5 *
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
6 * Redistribution and use in source and binary forms, with or without
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
7 * modification, are permitted provided that the following conditions are met:
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
8 *
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
9 * 1. Redistributions of source code must retain the above copyright
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
10 * notice, this list of conditions and the following disclaimer.
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
11 *
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
12 * 2. Redistributions in binary form must reproduce the above copyright
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
13 * notice, this list of conditions and the following disclaimer in the
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
14 * documentation and/or other materials provided with the distribution.
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
15 *
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
26 * POSSIBILITY OF SUCH DAMAGE.
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
27 */
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
28
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
29 #include <stdio.h>
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
30 #include <stdlib.h>
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
31 #include <string.h>
349
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
32 #include <unistd.h>
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
33 #include <fcntl.h>
267
171498cb2137 some mingw fixes
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 261
diff changeset
34 #include <libidav/utils.h>
40
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
35
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
36 #include "crypto.h"
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
37
349
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
38 /* -------------------- OpenSSL Crypto Functions -------------------- */
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
39 #ifdef DAV_USE_OPENSSL
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
40
261
f60d742a62a0 fixes build with ancient openssl
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
41 #if OPENSSL_VERSION_NUMBER < 10000000
f60d742a62a0 fixes build with ancient openssl
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
42
f60d742a62a0 fixes build with ancient openssl
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
43 static EVP_CIPHER_CTX* create_evp_cipher_ctx() {
f60d742a62a0 fixes build with ancient openssl
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
44 EVP_CIPHER_CTX *ctx = malloc(sizeof(EVP_CIPHER_CTX));
f60d742a62a0 fixes build with ancient openssl
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
45 EVP_CIPHER_CTX_init(ctx);
f60d742a62a0 fixes build with ancient openssl
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
46 return ctx;
f60d742a62a0 fixes build with ancient openssl
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
47 }
f60d742a62a0 fixes build with ancient openssl
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
48
f60d742a62a0 fixes build with ancient openssl
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
49 static void free_evp_cipher_ctx(EVP_CIPHER_CTX *ctx) {
f60d742a62a0 fixes build with ancient openssl
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
50 EVP_CIPHER_CTX_cleanup(ctx);
f60d742a62a0 fixes build with ancient openssl
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
51 free(ctx);
f60d742a62a0 fixes build with ancient openssl
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
52 }
f60d742a62a0 fixes build with ancient openssl
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
53
f60d742a62a0 fixes build with ancient openssl
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
54 #define EVP_CIPHER_CTX_new() create_evp_cipher_ctx()
f60d742a62a0 fixes build with ancient openssl
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
55 #define EVP_CIPHER_CTX_free(ctx) free_evp_cipher_ctx(ctx)
f60d742a62a0 fixes build with ancient openssl
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
56
f60d742a62a0 fixes build with ancient openssl
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
57 #endif
f60d742a62a0 fixes build with ancient openssl
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 260
diff changeset
58
40
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
59 AESDecrypter* aes_decrypter_new(DavKey *key, void *stream, dav_write_func write_func) {
207
de23f8881e9f fixed hash verification and head requests
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 185
diff changeset
60 AESDecrypter *dec = calloc(1, sizeof(AESDecrypter));
150
37fb12574acd added checksums for encrypted resources
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 75
diff changeset
61 SHA256_Init(&dec->sha256);
40
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
62 dec->stream = stream;
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
63 dec->write = write_func;
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
64 dec->key = key;
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
65 dec->init = 0;
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
66 dec->ivpos = 0;
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
67
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
68 return dec;
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
69 }
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
70
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
71 void aes_decrypter_init(AESDecrypter *dec) {
260
26f5f817429e fixes build with openssl 1.1
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 237
diff changeset
72 //EVP_CIPHER_CTX_init(&dec->ctx);
26f5f817429e fixes build with openssl 1.1
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 237
diff changeset
73 dec->ctx = EVP_CIPHER_CTX_new();
40
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
74 dec->init = 1;
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
75 if(dec->key->type == DAV_KEY_AES128) {
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
76 EVP_DecryptInit_ex(
260
26f5f817429e fixes build with openssl 1.1
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 237
diff changeset
77 dec->ctx,
40
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
78 EVP_aes_128_cbc(),
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
79 NULL,
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
80 dec->key->data,
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
81 dec->ivtmp);
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
82 } else if(dec->key->type == DAV_KEY_AES256) {
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
83 EVP_DecryptInit_ex(
260
26f5f817429e fixes build with openssl 1.1
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 237
diff changeset
84 dec->ctx,
40
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
85 EVP_aes_256_cbc(),
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
86 NULL,
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
87 dec->key->data,
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
88 dec->ivtmp);
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
89 } else {
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
90 fprintf(stderr, "unknown key type\n");
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
91 exit(-1);
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
92 }
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
93 }
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
94
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
95 size_t aes_write(const void *buf, size_t s, size_t n, AESDecrypter *dec) {
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
96 int len = s*n;
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
97 if(!dec->init) {
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
98 size_t n = 16 - dec->ivpos;
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
99 size_t cp = n > len ? len : n;
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
100 memcpy(dec->ivtmp + dec->ivpos, buf, cp);
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
101 dec->ivpos += cp;
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
102 if(dec->ivpos >= 16) {
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
103 aes_decrypter_init(dec);
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
104 }
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
105 if(len == cp) {
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
106 return len;
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
107 } else {
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
108 buf = (char*)buf + cp;
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
109 len -= cp;
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
110 }
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
111 }
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
112
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
113 int outlen = len + 16;
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
114 unsigned char *out = malloc(outlen);
260
26f5f817429e fixes build with openssl 1.1
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 237
diff changeset
115 EVP_DecryptUpdate(dec->ctx, out, &len, buf, len);
150
37fb12574acd added checksums for encrypted resources
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 75
diff changeset
116 ssize_t wlen = dec->write(out, 1, len, dec->stream);
37fb12574acd added checksums for encrypted resources
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 75
diff changeset
117 SHA256_Update(&dec->sha256, out, wlen);
40
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
118 free(out);
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
119 return (s*n) / s;
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
120 }
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
121
207
de23f8881e9f fixed hash verification and head requests
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 185
diff changeset
122 void aes_decrypter_shutdown(AESDecrypter *dec) {
237
fd9135bc7580 fixed crash when encrypted streams are empty
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 207
diff changeset
123 if(dec->init) {
fd9135bc7580 fixed crash when encrypted streams are empty
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 207
diff changeset
124 void *out = malloc(128);
fd9135bc7580 fixed crash when encrypted streams are empty
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 207
diff changeset
125 int len = 0;
260
26f5f817429e fixes build with openssl 1.1
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 237
diff changeset
126 EVP_DecryptFinal_ex(dec->ctx, out, &len);
237
fd9135bc7580 fixed crash when encrypted streams are empty
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 207
diff changeset
127 dec->write(out, 1, len, dec->stream);
fd9135bc7580 fixed crash when encrypted streams are empty
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 207
diff changeset
128 SHA256_Update(&dec->sha256, out, len);
fd9135bc7580 fixed crash when encrypted streams are empty
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 207
diff changeset
129 free(out);
260
26f5f817429e fixes build with openssl 1.1
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 237
diff changeset
130 //EVP_CIPHER_CTX_cleanup(&dec->ctx);
26f5f817429e fixes build with openssl 1.1
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 237
diff changeset
131 EVP_CIPHER_CTX_free(dec->ctx);
237
fd9135bc7580 fixed crash when encrypted streams are empty
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 207
diff changeset
132 }
207
de23f8881e9f fixed hash verification and head requests
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 185
diff changeset
133 }
de23f8881e9f fixed hash verification and head requests
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 185
diff changeset
134
de23f8881e9f fixed hash verification and head requests
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 185
diff changeset
135 void aes_decrypter_close(AESDecrypter *dec) {
40
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
136 free(dec);
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
137 }
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
138
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
139
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
140 AESEncrypter* aes_encrypter_new(DavKey *key, void *stream, dav_read_func read_func) {
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
141 unsigned char *iv = malloc(16);
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
142 if(!RAND_bytes(iv, 16)) {
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
143 free(iv);
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
144 return NULL;
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
145 }
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
146
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
147 AESEncrypter *enc = malloc(sizeof(AESEncrypter));
150
37fb12574acd added checksums for encrypted resources
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 75
diff changeset
148 SHA256_Init(&enc->sha256);
40
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
149 enc->stream = stream;
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
150 enc->read = read_func;
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
151 enc->tmp = NULL;
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
152 enc->tmplen = 0;
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
153 enc->tmpoff = 0;
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
154 enc->end = 0;
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
155 enc->iv = iv;
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
156 enc->ivlen = 16;
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
157
260
26f5f817429e fixes build with openssl 1.1
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 237
diff changeset
158 //EVP_CIPHER_CTX_init(&enc->ctx);
26f5f817429e fixes build with openssl 1.1
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 237
diff changeset
159 enc->ctx = EVP_CIPHER_CTX_new();
40
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
160 if(key->type == DAV_KEY_AES128) {
260
26f5f817429e fixes build with openssl 1.1
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 237
diff changeset
161 EVP_EncryptInit_ex(enc->ctx, EVP_aes_128_cbc(), NULL, key->data, enc->iv);
40
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
162 } else if(key->type == DAV_KEY_AES256) {
260
26f5f817429e fixes build with openssl 1.1
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 237
diff changeset
163 EVP_EncryptInit_ex(enc->ctx, EVP_aes_256_cbc(), NULL, key->data, enc->iv);
40
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
164 } else {
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
165 fprintf(stderr, "unknown key type\n");
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
166 exit(-1);
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
167 }
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
168 return enc;
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
169 }
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
170
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
171 size_t aes_read(void *buf, size_t s, size_t n, AESEncrypter *enc) {
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
172 size_t len = s*n;
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
173 if(enc->tmp) {
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
174 size_t tmp_diff = enc->tmplen - enc->tmpoff;
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
175 size_t cp_len = tmp_diff > len ? len : tmp_diff;
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
176 memcpy(buf, enc->tmp + enc->tmpoff, cp_len);
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
177 enc->tmpoff += cp_len;
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
178 if(enc->tmpoff >= enc->tmplen) {
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
179 free(enc->tmp);
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
180 enc->tmp = NULL;
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
181 enc->tmplen = 0;
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
182 enc->tmpoff = 0;
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
183 }
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
184 return cp_len / s;
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
185 }
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
186
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
187 if(enc->end) {
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
188 return 0;
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
189 }
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
190
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
191 void *in = malloc(len);
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
192 size_t in_len = enc->read(in, 1, len, enc->stream);
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
193
150
37fb12574acd added checksums for encrypted resources
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 75
diff changeset
194 SHA256_Update(&enc->sha256, in, in_len);
37fb12574acd added checksums for encrypted resources
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 75
diff changeset
195
40
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
196 unsigned char *out = NULL;
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
197 int outlen = 0;
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
198 size_t ivl = enc->ivlen;
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
199 if(in_len != 0) {
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
200 outlen = len + 16;
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
201 out = malloc(outlen + ivl);
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
202 if(enc->iv) {
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
203 memcpy(out, enc->iv, ivl);
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
204 }
260
26f5f817429e fixes build with openssl 1.1
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 237
diff changeset
205 EVP_EncryptUpdate(enc->ctx, out + ivl, &outlen, in, in_len);
40
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
206 free(in);
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
207 } else {
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
208 out = malloc(16);
260
26f5f817429e fixes build with openssl 1.1
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 237
diff changeset
209 EVP_EncryptFinal_ex(enc->ctx, out, &outlen);
40
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
210 enc->end = 1;
150
37fb12574acd added checksums for encrypted resources
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 75
diff changeset
211 free(in);
40
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
212 }
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
213 enc->tmp = (char*)out;
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
214 enc->tmplen = outlen + ivl;
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
215 enc->tmpoff = 0;
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
216
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
217 if(enc->iv) {
150
37fb12574acd added checksums for encrypted resources
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 75
diff changeset
218 free(enc->iv);
40
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
219 enc->iv = NULL;
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
220 enc->ivlen = 0;
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
221 }
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
222
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
223 return aes_read(buf, s, n, enc);
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
224 }
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
225
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
226 void aes_encrypter_close(AESEncrypter *enc) {
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
227 if(enc->tmp) {
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
228 free(enc->tmp);
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
229 }
150
37fb12574acd added checksums for encrypted resources
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 75
diff changeset
230 if(enc->iv) {
37fb12574acd added checksums for encrypted resources
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 75
diff changeset
231 free(enc->iv);
37fb12574acd added checksums for encrypted resources
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 75
diff changeset
232 }
260
26f5f817429e fixes build with openssl 1.1
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 237
diff changeset
233 //EVP_CIPHER_CTX_cleanup(&enc->ctx);
26f5f817429e fixes build with openssl 1.1
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 237
diff changeset
234 EVP_CIPHER_CTX_free(enc->ctx);
40
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
235 free(enc);
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
236 }
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
237
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
238
150
37fb12574acd added checksums for encrypted resources
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 75
diff changeset
239 char* aes_encrypt(char *in, size_t len, DavKey *key) {
43
03076907b58a added file name encryption
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 40
diff changeset
240 unsigned char iv[16];
40
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
241 if(!RAND_bytes(iv, 16)) {
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
242 return NULL;
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
243 }
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
244
260
26f5f817429e fixes build with openssl 1.1
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 237
diff changeset
245 //EVP_CIPHER_CTX ctx;
26f5f817429e fixes build with openssl 1.1
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 237
diff changeset
246 //EVP_CIPHER_CTX_init(&ctx);
26f5f817429e fixes build with openssl 1.1
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 237
diff changeset
247 EVP_CIPHER_CTX *ctx = EVP_CIPHER_CTX_new();
40
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
248 if(key->type == DAV_KEY_AES128) {
43
03076907b58a added file name encryption
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 40
diff changeset
249 EVP_EncryptInit_ex(
260
26f5f817429e fixes build with openssl 1.1
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 237
diff changeset
250 ctx,
43
03076907b58a added file name encryption
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 40
diff changeset
251 EVP_aes_128_cbc(),
03076907b58a added file name encryption
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 40
diff changeset
252 NULL,
03076907b58a added file name encryption
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 40
diff changeset
253 (unsigned char*)key->data,
03076907b58a added file name encryption
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 40
diff changeset
254 iv);
40
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
255 } else if(key->type == DAV_KEY_AES256) {
43
03076907b58a added file name encryption
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 40
diff changeset
256 EVP_EncryptInit_ex(
260
26f5f817429e fixes build with openssl 1.1
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 237
diff changeset
257 ctx,
43
03076907b58a added file name encryption
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 40
diff changeset
258 EVP_aes_256_cbc(),
03076907b58a added file name encryption
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 40
diff changeset
259 NULL,
03076907b58a added file name encryption
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 40
diff changeset
260 (unsigned char*)key->data,
03076907b58a added file name encryption
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 40
diff changeset
261 iv);
40
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
262 } else {
260
26f5f817429e fixes build with openssl 1.1
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 237
diff changeset
263 //EVP_CIPHER_CTX_cleanup(&ctx);
26f5f817429e fixes build with openssl 1.1
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 237
diff changeset
264 EVP_CIPHER_CTX_free(ctx);
40
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
265 return NULL;
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
266 }
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
267
150
37fb12574acd added checksums for encrypted resources
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 75
diff changeset
268 //int len = strlen(in);
40
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
269 int buflen = len + 64;
43
03076907b58a added file name encryption
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 40
diff changeset
270 unsigned char *buf = calloc(1, buflen);
40
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
271 memcpy(buf, iv, 16);
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
272
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
273 int l = buflen - 16;
260
26f5f817429e fixes build with openssl 1.1
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 237
diff changeset
274 EVP_EncryptUpdate(ctx, buf + 16, &l, (unsigned char*)in, len);
40
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
275
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
276 int f = 0;
260
26f5f817429e fixes build with openssl 1.1
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 237
diff changeset
277 EVP_EncryptFinal_ex(ctx, buf + 16 + l, &f);
43
03076907b58a added file name encryption
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 40
diff changeset
278 char *out = util_base64encode((char*)buf, 16 + l + f);
40
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
279 free(buf);
260
26f5f817429e fixes build with openssl 1.1
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 237
diff changeset
280 EVP_CIPHER_CTX_free(ctx);
26f5f817429e fixes build with openssl 1.1
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 237
diff changeset
281 //EVP_CIPHER_CTX_cleanup(&ctx);
150
37fb12574acd added checksums for encrypted resources
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 75
diff changeset
282
40
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
283 return out;
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
284 }
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
285
150
37fb12574acd added checksums for encrypted resources
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 75
diff changeset
286 char* aes_decrypt(char *in, size_t *length, DavKey *key) {
40
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
287 int len;
43
03076907b58a added file name encryption
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 40
diff changeset
288 unsigned char *buf = (unsigned char*)util_base64decode_len(in, &len);
40
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
289
260
26f5f817429e fixes build with openssl 1.1
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 237
diff changeset
290 //EVP_CIPHER_CTX ctx;
26f5f817429e fixes build with openssl 1.1
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 237
diff changeset
291 //EVP_CIPHER_CTX_init(&ctx);
26f5f817429e fixes build with openssl 1.1
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 237
diff changeset
292 EVP_CIPHER_CTX *ctx = EVP_CIPHER_CTX_new();
40
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
293 if(key->type == DAV_KEY_AES128) {
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
294 EVP_DecryptInit_ex(
260
26f5f817429e fixes build with openssl 1.1
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 237
diff changeset
295 ctx,
40
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
296 EVP_aes_128_cbc(),
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
297 NULL,
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
298 key->data,
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
299 buf);
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
300 } else if(key->type == DAV_KEY_AES256) {
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
301 EVP_DecryptInit_ex(
260
26f5f817429e fixes build with openssl 1.1
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 237
diff changeset
302 ctx,
40
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
303 EVP_aes_256_cbc(),
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
304 NULL,
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
305 key->data,
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
306 buf);
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
307 } else {
260
26f5f817429e fixes build with openssl 1.1
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 237
diff changeset
308 //EVP_CIPHER_CTX_cleanup(&ctx);
26f5f817429e fixes build with openssl 1.1
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 237
diff changeset
309 EVP_CIPHER_CTX_free(ctx);
40
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
310 return NULL;
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
311 }
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
312
43
03076907b58a added file name encryption
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 40
diff changeset
313 unsigned char *out = malloc(len + 1);
40
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
314 int outlen = len;
43
03076907b58a added file name encryption
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 40
diff changeset
315 unsigned char *in_buf = buf + 16;
40
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
316 int inlen = len - 16;
43
03076907b58a added file name encryption
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 40
diff changeset
317 int f = 0;
40
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
318
260
26f5f817429e fixes build with openssl 1.1
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 237
diff changeset
319 EVP_DecryptUpdate(ctx, out, &outlen, in_buf, inlen);
26f5f817429e fixes build with openssl 1.1
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 237
diff changeset
320 EVP_DecryptFinal_ex(ctx, out + outlen, &f);
40
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
321 out[outlen + f] = '\0';
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
322 free(buf);
260
26f5f817429e fixes build with openssl 1.1
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 237
diff changeset
323 //EVP_CIPHER_CTX_cleanup(&ctx);
26f5f817429e fixes build with openssl 1.1
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 237
diff changeset
324 EVP_CIPHER_CTX_free(ctx);
150
37fb12574acd added checksums for encrypted resources
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 75
diff changeset
325
37fb12574acd added checksums for encrypted resources
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 75
diff changeset
326 *length = outlen + f;
43
03076907b58a added file name encryption
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 40
diff changeset
327 return (char*)out;
40
a95ee94b9204 supports whitespace in paths
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
328 }
150
37fb12574acd added checksums for encrypted resources
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 75
diff changeset
329
37fb12574acd added checksums for encrypted resources
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 75
diff changeset
330
354
067ea2315a8a moves auth prompt functionality to libidav
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 349
diff changeset
331 void dav_get_hash(DAV_SHA_CTX *sha256, unsigned char *buf){
155
b85248a8aee2 fixed some cases of incompatible types in crypto functions
Mike Becker <universe@uap-core.de>
parents: 150
diff changeset
332 SHA256_Final((unsigned char*)buf, sha256);
150
37fb12574acd added checksums for encrypted resources
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 75
diff changeset
333 }
349
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
334
367
4a6a59f89f9f adds dav-sync config for autodetecting tag changes
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 354
diff changeset
335 char* dav_create_hash(const char *data, size_t len) {
4a6a59f89f9f adds dav-sync config for autodetecting tag changes
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 354
diff changeset
336 unsigned char hash[DAV_SHA256_DIGEST_LENGTH];
4a6a59f89f9f adds dav-sync config for autodetecting tag changes
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 354
diff changeset
337 SHA256((const unsigned char*)data, len, hash);
4a6a59f89f9f adds dav-sync config for autodetecting tag changes
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 354
diff changeset
338 return util_hexstr(hash, DAV_SHA256_DIGEST_LENGTH);
4a6a59f89f9f adds dav-sync config for autodetecting tag changes
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 354
diff changeset
339 }
4a6a59f89f9f adds dav-sync config for autodetecting tag changes
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 354
diff changeset
340
349
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
341 #endif
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
342
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
343
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
344 /* -------------------- Apple Crypto Functions -------------------- */
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
345 #ifdef __APPLE__
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
346
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
347 #define RANDOM_BUFFER_LENGTH 256
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
348 static char randbuf[RANDOM_BUFFER_LENGTH];
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
349 static int rbufpos = RANDOM_BUFFER_LENGTH;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
350
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
351 int dav_rand_bytes(unsigned char *buf, size_t len) {
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
352 if(len + rbufpos > RANDOM_BUFFER_LENGTH) {
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
353 int devr = open("/dev/urandom", O_RDONLY);
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
354 if(devr == -1) {
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
355 return 1;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
356 }
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
357
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
358 if(read(devr, randbuf, RANDOM_BUFFER_LENGTH) < RANDOM_BUFFER_LENGTH) {
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
359 close(devr);
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
360 return 1;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
361 }
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
362
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
363 rbufpos = 0;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
364 if(len > RANDOM_BUFFER_LENGTH) {
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
365 int err = 0;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
366 if(read(devr, buf, len) < len) {
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
367 err = 1;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
368 }
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
369 close(devr);
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
370 return err;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
371 }
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
372
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
373 close(devr);
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
374 }
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
375
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
376 char *r = randbuf;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
377 memcpy(buf, r + rbufpos, len);
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
378 rbufpos += len;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
379
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
380 return 0;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
381 }
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
382
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
383 AESDecrypter* aes_decrypter_new(DavKey *key, void *stream, dav_write_func write_func) {
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
384 AESDecrypter *dec = calloc(1, sizeof(AESDecrypter));
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
385 CC_SHA256_Init(&dec->sha256);
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
386 dec->stream = stream;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
387 dec->write = write_func;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
388 dec->key = key;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
389 dec->init = 0;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
390 dec->ivpos = 0;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
391
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
392 return dec;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
393 }
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
394
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
395
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
396 void aes_decrypter_init(AESDecrypter *dec) {
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
397 //EVP_CIPHER_CTX_init(&dec->ctx);
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
398 dec->init = 1;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
399
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
400 CCCryptorRef cryptor;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
401 CCCryptorStatus status;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
402 if(dec->key->type == DAV_KEY_AES128) {
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
403 status = CCCryptorCreate(kCCDecrypt, kCCAlgorithmAES128, kCCOptionPKCS7Padding, dec->key->data, dec->key->length, dec->ivtmp, &cryptor);
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
404 } else if(dec->key->type == DAV_KEY_AES256) {
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
405 status = CCCryptorCreate(kCCDecrypt, kCCAlgorithmAES, kCCOptionPKCS7Padding, dec->key->data, dec->key->length, dec->ivtmp, &cryptor);
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
406 } else {
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
407 fprintf(stderr, "unknown key type\n");
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
408 exit(-1);
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
409 }
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
410 dec->ctx = cryptor;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
411 }
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
412
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
413 size_t aes_write(const void *buf, size_t s, size_t n, AESDecrypter *dec) {
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
414 int len = s*n;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
415 if(!dec->init) {
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
416 size_t n = 16 - dec->ivpos;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
417 size_t cp = n > len ? len : n;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
418 memcpy(dec->ivtmp + dec->ivpos, buf, cp);
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
419 dec->ivpos += cp;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
420 if(dec->ivpos >= 16) {
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
421 aes_decrypter_init(dec);
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
422 }
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
423 if(len == cp) {
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
424 return len;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
425 } else {
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
426 buf = (char*)buf + cp;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
427 len -= cp;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
428 }
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
429 }
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
430
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
431 int outlen = len + 16;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
432 unsigned char *out = malloc(outlen);
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
433
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
434 CCCryptorStatus status;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
435 size_t avail = outlen;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
436 size_t moved = 0;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
437 status = CCCryptorUpdate(dec->ctx, buf, len, out, avail, &moved);
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
438
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
439 ssize_t wlen = dec->write(out, 1, moved, dec->stream);
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
440 CC_SHA256_Update(&dec->sha256, out, wlen);
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
441 free(out);
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
442 return (s*n) / s;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
443 }
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
444
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
445 void aes_decrypter_shutdown(AESDecrypter *dec) {
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
446 if(dec->init) {
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
447 void *out = malloc(128);
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
448 size_t len = 0;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
449 //EVP_DecryptFinal_ex(dec->ctx, out, &len);
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
450 CCCryptorFinal(dec->ctx, out, 128, &len);
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
451
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
452
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
453 dec->write(out, 1, len, dec->stream);
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
454 CC_SHA256_Update(&dec->sha256, out, len);
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
455 free(out);
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
456 //EVP_CIPHER_CTX_cleanup(&dec->ctx);
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
457 //EVP_CIPHER_CTX_free(dec->ctx);
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
458 }
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
459 }
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
460
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
461 void aes_decrypter_close(AESDecrypter *dec) {
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
462
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
463 }
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
464
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
465 AESEncrypter* aes_encrypter_new(DavKey *key, void *stream, dav_read_func read_func) {
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
466 unsigned char *iv = malloc(16);
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
467 if(dav_rand_bytes(iv, 16)) {
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
468 return NULL;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
469 }
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
470
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
471 CCCryptorRef cryptor;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
472 CCCryptorStatus status;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
473 if(key->type == DAV_KEY_AES128) {
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
474 status = CCCryptorCreate(kCCEncrypt, kCCAlgorithmAES128, kCCOptionPKCS7Padding, key->data, key->length, iv, &cryptor);
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
475 } else if(key->type == DAV_KEY_AES256) {
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
476 status = CCCryptorCreate(kCCEncrypt, kCCAlgorithmAES, kCCOptionPKCS7Padding, key->data, key->length, iv, &cryptor);
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
477 } else {
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
478 free(iv);
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
479 return NULL;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
480 }
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
481
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
482 AESEncrypter *enc = malloc(sizeof(AESEncrypter));
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
483 enc->ctx = cryptor;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
484 CC_SHA256_Init(&enc->sha256);
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
485 enc->stream = stream;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
486 enc->read = read_func;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
487 enc->tmp = NULL;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
488 enc->tmplen = 0;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
489 enc->tmpoff = 0;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
490 enc->end = 0;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
491 enc->iv = iv;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
492 enc->ivlen = 16;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
493
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
494 return enc;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
495 }
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
496
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
497 size_t aes_read(void *buf, size_t s, size_t n, AESEncrypter *enc) {
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
498 size_t len = s*n;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
499 if(enc->tmp) {
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
500 size_t tmp_diff = enc->tmplen - enc->tmpoff;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
501 size_t cp_len = tmp_diff > len ? len : tmp_diff;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
502 memcpy(buf, enc->tmp + enc->tmpoff, cp_len);
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
503 enc->tmpoff += cp_len;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
504 if(enc->tmpoff >= enc->tmplen) {
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
505 free(enc->tmp);
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
506 enc->tmp = NULL;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
507 enc->tmplen = 0;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
508 enc->tmpoff = 0;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
509 }
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
510 return cp_len / s;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
511 }
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
512
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
513 if(enc->end) {
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
514 return 0;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
515 }
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
516
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
517 void *in = malloc(len);
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
518 size_t in_len = enc->read(in, 1, len, enc->stream);
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
519
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
520 CC_SHA256_Update(&enc->sha256, in, in_len);
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
521
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
522 unsigned char *out = NULL;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
523 size_t outlen = 0;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
524 size_t ivl = enc->ivlen;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
525 if(in_len != 0) {
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
526 outlen = len + 16;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
527 out = malloc(outlen + ivl);
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
528 if(enc->iv) {
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
529 memcpy(out, enc->iv, ivl);
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
530 }
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
531
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
532 CCCryptorStatus status;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
533 size_t avail = outlen;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
534 status = CCCryptorUpdate(enc->ctx, in, in_len, out + ivl, avail, &outlen);
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
535
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
536 free(in);
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
537 } else {
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
538 out = malloc(32);
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
539 CCCryptorStatus status;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
540 size_t avail = outlen;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
541 status = CCCryptorFinal(enc->ctx, out, 32, &outlen);
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
542 enc->end = 1;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
543 free(in);
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
544 }
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
545 enc->tmp = (char*)out;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
546 enc->tmplen = outlen + ivl;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
547 enc->tmpoff = 0;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
548
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
549 if(enc->iv) {
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
550 free(enc->iv);
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
551 enc->iv = NULL;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
552 enc->ivlen = 0;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
553 }
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
554
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
555 return aes_read(buf, s, n, enc);
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
556 }
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
557
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
558 void aes_encrypter_close(AESEncrypter *enc) {
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
559 if(enc->tmp) {
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
560 free(enc->tmp);
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
561 }
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
562 if(enc->iv) {
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
563 free(enc->iv);
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
564 }
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
565 // TODO: cleanup cryptor
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
566 free(enc);
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
567 }
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
568
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
569 char* aes_encrypt(char *in, size_t len, DavKey *key) {
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
570 unsigned char iv[16];
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
571 if(dav_rand_bytes(iv, 16)) {
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
572 return NULL;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
573 }
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
574
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
575 CCCryptorRef cryptor;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
576 CCCryptorStatus status;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
577 if(key->type == DAV_KEY_AES128) {
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
578 status = CCCryptorCreate(kCCEncrypt, kCCAlgorithmAES128, kCCOptionPKCS7Padding, key->data, key->length, iv, &cryptor);
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
579 } else if(key->type == DAV_KEY_AES256) {
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
580 status = CCCryptorCreate(kCCEncrypt, kCCAlgorithmAES, kCCOptionPKCS7Padding, key->data, key->length, iv, &cryptor);
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
581 } else {
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
582 return NULL;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
583 }
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
584
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
585 if(status != kCCSuccess) {
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
586 return NULL;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
587 }
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
588
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
589 int buflen = len + 64;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
590 char *buf = calloc(1, buflen);
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
591 memcpy(buf, iv, 16);
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
592
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
593 int pos = 16;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
594 size_t avail = buflen - 16;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
595 size_t moved;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
596 char *out = buf + 16;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
597
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
598 status = CCCryptorUpdate(cryptor, in,
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
599 len, out, avail,
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
600 &moved);
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
601 if(status != kCCSuccess) {
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
602 free(buf);
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
603 return NULL;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
604 }
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
605
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
606 pos += moved;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
607 avail -= moved;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
608 out += moved;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
609
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
610 status = CCCryptorFinal(cryptor, out, avail, &moved);
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
611 if(status != kCCSuccess) {
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
612 free(buf);
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
613 return NULL;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
614 }
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
615
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
616 pos += moved;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
617
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
618 char *b64enc = util_base64encode(buf, pos);
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
619 free(buf);
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
620
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
621 return b64enc;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
622 }
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
623
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
624 char* aes_decrypt(char *in, size_t *len, DavKey *key) {
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
625 int inlen;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
626 unsigned char *buf = (unsigned char*)util_base64decode_len(in, &inlen);
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
627
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
628 CCCryptorRef cryptor;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
629 CCCryptorStatus status;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
630 if(key->type == DAV_KEY_AES128) {
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
631 status = CCCryptorCreate(kCCDecrypt, kCCAlgorithmAES128, kCCOptionPKCS7Padding, key->data, key->length, buf, &cryptor);
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
632 } else if(key->type == DAV_KEY_AES256) {
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
633 status = CCCryptorCreate(kCCDecrypt, kCCAlgorithmAES, kCCOptionPKCS7Padding, key->data, key->length, buf, &cryptor);
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
634 } else {
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
635 free(buf);
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
636 return NULL;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
637 }
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
638
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
639 if(status != kCCSuccess) {
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
640 free(buf);
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
641 return NULL;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
642 }
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
643
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
644 char *out = malloc(inlen + 1);
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
645 size_t outavail = inlen;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
646 size_t outlen = 0;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
647
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
648 unsigned char *inbuf = buf + 16;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
649 inlen -= 16;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
650
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
651 size_t moved = 0;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
652 status = CCCryptorUpdate(cryptor, inbuf, inlen, out, outavail, &moved);
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
653 if(status != kCCSuccess) {
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
654 free(buf);
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
655 free(out);
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
656 // TODO cryptor
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
657 return NULL;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
658 }
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
659
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
660 outlen += moved;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
661 outavail -= moved;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
662
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
663 status = CCCryptorFinal(cryptor, out + outlen, outavail, &moved);
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
664 if(status != kCCSuccess) {
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
665 free(buf);
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
666 free(out);
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
667 // TODO cryptor
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
668 return NULL;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
669 }
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
670
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
671 outlen += moved;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
672 out[outlen] = 0;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
673
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
674 *len = outlen;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
675 return out;
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
676 }
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
677
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
678 void dav_get_hash(DAV_SHA_CTX *sha256, unsigned char *buf) {
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
679 CC_SHA256_Final(buf, sha256);
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
680 }
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
681
367
4a6a59f89f9f adds dav-sync config for autodetecting tag changes
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 354
diff changeset
682 char* dav_create_hash(const char *data, size_t len) {
4a6a59f89f9f adds dav-sync config for autodetecting tag changes
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 354
diff changeset
683 unsigned char hash[DAV_SHA256_DIGEST_LENGTH];
4a6a59f89f9f adds dav-sync config for autodetecting tag changes
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 354
diff changeset
684 CC_SHA256((const unsigned char*)data, len, hash);
4a6a59f89f9f adds dav-sync config for autodetecting tag changes
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 354
diff changeset
685 return util_hexstr(hash, DAV_SHA256_DIGEST_LENGTH);
4a6a59f89f9f adds dav-sync config for autodetecting tag changes
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 354
diff changeset
686 }
4a6a59f89f9f adds dav-sync config for autodetecting tag changes
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 354
diff changeset
687
349
0b4ecadaf3f9 ports openssl code to commoncrypto (macos)
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 267
diff changeset
688 #endif

mercurial