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Date
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ap_compat.h
1.08
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2006-07-12 00:33
ap_config.h
6.65
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2012-08-15 03:59
ap_config_layout.h
1.21
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2022-01-02 15:34
ap_expr.h
14.09
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2020-02-21 02:33
ap_hooks.h
6.01
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2011-09-23 22:08
ap_listen.h
5.85
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2016-05-30 23:26
ap_mmn.h
39.26
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2023-08-29 11:23
ap_mpm.h
10.68
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2020-04-23 16:32
ap_provider.h
3.55
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2012-07-03 23:29
ap_regex.h
11.43
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2022-02-28 13:56
ap_regkey.h
9.18
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2011-09-23 17:38
ap_release.h
3.15
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2023-10-16 17:28
ap_slotmem.h
7.26
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2013-11-17 22:10
ap_socache.h
9.39
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2012-02-11 00:47
apache_noprobes.h
15.93
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2012-04-05 00:11
apr.h
18.28
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2023-03-27 15:53
apr_allocator.h
6.25
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2018-08-25 17:48
apr_anylock.h
5.06
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2007-01-15 21:00
apr_atomic.h
6.25
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2018-09-17 22:20
apr_base64.h
3.86
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2012-12-23 00:24
apr_buckets.h
64.71
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2021-09-18 17:25
apr_crypto.h
20.18
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2017-06-14 00:28
apr_cstr.h
11.42
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2016-12-03 22:49
apr_date.h
3.57
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2007-01-15 21:00
apr_dbd.h
23.88
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2017-04-02 21:57
apr_dbm.h
8.62
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2008-11-21 08:20
apr_dso.h
2.73
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2006-08-03 14:55
apr_encode.h
30.98
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2022-10-18 11:38
apr_env.h
2.12
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2009-09-26 00:07
apr_errno.h
55.08
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2016-03-03 18:11
apr_escape.h
17.65
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2018-08-26 14:24
apr_escape_test_char.h
1.4
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2023-03-27 15:53
apr_file_info.h
17.59
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2018-08-26 14:01
apr_file_io.h
43.11
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2017-03-30 23:53
apr_fnmatch.h
6.23
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2014-04-15 17:55
apr_general.h
7.36
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2018-08-26 14:01
apr_getopt.h
6
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2006-08-03 14:55
apr_global_mutex.h
7.38
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2017-04-08 01:20
apr_hash.h
10.36
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2020-11-08 10:13
apr_hooks.h
12.71
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2013-10-03 17:32
apr_inherit.h
2.14
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2013-10-03 17:29
apr_ldap.h
5.76
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2023-01-24 11:36
apr_ldap_init.h
5.81
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2009-02-19 10:04
apr_ldap_option.h
8.65
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2009-02-19 10:04
apr_ldap_rebind.h
3.19
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2009-02-19 10:04
apr_ldap_url.h
3.83
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2009-02-19 10:04
apr_lib.h
8.47
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2014-01-16 22:26
apr_md4.h
4.55
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2007-01-15 21:00
apr_md5.h
6.37
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2012-07-06 15:41
apr_memcache.h
17.25
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2010-11-26 16:39
apr_mmap.h
5.18
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2013-10-03 17:29
apr_network_io.h
36.95
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2019-05-04 18:44
apr_optional.h
2.8
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2007-01-15 21:00
apr_optional_hooks.h
3.9
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2013-10-03 17:32
apr_perms_set.h
1.93
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2014-04-28 16:08
apr_poll.h
21.04
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2016-03-25 03:19
apr_pools.h
31.73
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2022-06-18 00:09
apr_portable.h
20.56
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2018-08-26 14:01
apr_proc_mutex.h
7.04
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2017-04-08 01:20
apr_queue.h
4.12
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2013-10-03 17:32
apr_random.h
5.07
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2007-07-21 06:16
apr_redis.h
16.07
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2017-09-27 20:02
apr_reslist.h
7.19
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2013-10-03 17:32
apr_ring.h
19.28
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2022-01-06 14:11
apr_rmm.h
4.8
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2007-01-15 21:00
apr_sdbm.h
6.14
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2007-10-23 13:59
apr_sha1.h
3.91
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2007-01-15 21:00
apr_shm.h
9.48
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2014-04-28 17:15
apr_signal.h
2.8
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2007-08-05 19:48
apr_siphash.h
6.16
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2017-06-15 00:00
apr_skiplist.h
14.56
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2018-08-25 17:48
apr_strings.h
14.92
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2018-08-26 14:01
apr_strmatch.h
2.69
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2007-01-15 21:00
apr_support.h
1.65
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2006-08-03 14:55
apr_tables.h
19.4
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2020-11-08 09:24
apr_thread_cond.h
5.53
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2007-06-29 21:20
apr_thread_mutex.h
4.51
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2017-04-08 01:20
apr_thread_pool.h
11.14
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2008-05-07 23:45
apr_thread_proc.h
36.11
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2019-03-08 16:52
apr_thread_rwlock.h
4.78
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2006-08-03 14:55
apr_time.h
7.62
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2016-03-05 03:40
apr_uri.h
6.61
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2009-01-07 22:39
apr_user.h
5.34
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2013-10-03 17:29
apr_uuid.h
2.13
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2007-01-15 21:00
apr_version.h
5.44
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2023-04-13 11:38
apr_want.h
3.01
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2012-08-15 00:48
apr_xlate.h
6.42
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2007-01-15 21:00
apr_xml.h
12.54
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2016-06-14 01:57
apu.h
4.76
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2023-01-24 11:36
apu_errno.h
5.49
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2009-01-07 22:35
apu_version.h
4.33
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2023-02-01 09:56
apu_want.h
1.55
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2023-01-24 11:36
cache_common.h
2.02
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2013-05-29 00:30
expat.h
43.55
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2022-10-25 19:09
heartbeat.h
1.62
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2014-06-17 16:06
http_config.h
57.78
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2022-02-23 16:39
http_connection.h
7.15
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2021-09-26 18:11
http_core.h
37.25
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2023-08-29 11:23
http_log.h
36.82
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2016-08-25 16:48
http_main.h
3.25
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2012-03-26 02:24
http_protocol.h
42.06
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2022-06-01 16:34
http_request.h
26.34
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2021-08-10 12:27
http_ssl.h
14.93
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2022-08-22 00:26
http_vhost.h
4.61
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2021-05-27 17:08
httpd.h
94.69
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2022-03-09 16:04
mod_auth.h
4.55
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2020-02-21 02:33
mod_cache.h
7.27
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2011-12-03 20:02
mod_cgi.h
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2011-09-23 17:38
mod_core.h
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2012-09-24 13:49
mod_dav.h
100.22
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2023-01-09 16:52
mod_dbd.h
4.18
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2011-09-23 17:38
mod_http2.h
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2023-08-29 11:23
mod_include.h
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2011-09-23 17:38
mod_log_config.h
2.5
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2011-09-23 17:38
mod_proxy.h
64.99
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2023-03-31 18:33
mod_request.h
1.65
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2011-02-18 20:40
mod_rewrite.h
1.41
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2014-01-23 16:33
mod_so.h
1.23
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2011-11-30 12:21
mod_ssl.h
4.99
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2019-07-30 15:23
mod_ssl_openssl.h
4.79
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2019-07-30 15:23
mod_status.h
2.45
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2006-07-12 00:33
mod_watchdog.h
7.55
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2014-09-05 18:19
mpm_common.h
17.39
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2021-08-10 12:43
os.h
4.5
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2021-04-21 05:10
scoreboard.h
9.98
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2020-02-21 02:33
util_cfgtree.h
3.17
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2011-09-23 17:38
util_charset.h
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2014-11-01 11:19
util_cookies.h
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2012-01-09 15:18
util_ebcdic.h
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util_fcgi.h
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util_filter.h
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util_ldap.h
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util_md5.h
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2014-07-17 02:11
util_mutex.h
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2011-10-09 22:35
util_script.h
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util_time.h
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util_varbuf.h
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2014-07-19 21:22
util_xml.h
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2014-07-19 21:22
zconf.h
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2023-04-18 01:35
zlib.h
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2023-08-18 12:45
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/* Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You under the Apache License, Version 2.0 * (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #ifndef APR_CRYPTO_H #define APR_CRYPTO_H #include "apu.h" #include "apr_pools.h" #include "apr_tables.h" #include "apr_hash.h" #include "apu_errno.h" #ifdef __cplusplus extern "C" { #endif /** * @file apr_crypto.h * @brief APR-UTIL Crypto library */ /** * @defgroup APR_Util_Crypto Crypto routines * @ingroup APR_Util * @{ */ #if APU_HAVE_CRYPTO #ifndef APU_CRYPTO_RECOMMENDED_DRIVER #if APU_HAVE_COMMONCRYPTO #define APU_CRYPTO_RECOMMENDED_DRIVER "commoncrypto" #else #if APU_HAVE_OPENSSL #define APU_CRYPTO_RECOMMENDED_DRIVER "openssl" #else #if APU_HAVE_NSS #define APU_CRYPTO_RECOMMENDED_DRIVER "nss" #else #if APU_HAVE_MSCNG #define APU_CRYPTO_RECOMMENDED_DRIVER "mscng" #else #if APU_HAVE_MSCAPI #define APU_CRYPTO_RECOMMENDED_DRIVER "mscapi" #else #endif #endif #endif #endif #endif #endif /** * Symmetric Key types understood by the library. * * NOTE: It is expected that this list will grow over time. * * Interoperability Matrix: * * The matrix is based on the testcrypto.c unit test, which attempts to * test whether a simple encrypt/decrypt will succeed, as well as testing * whether an encrypted string by one library can be decrypted by the * others. * * Some libraries will successfully encrypt and decrypt their own data, * but won't decrypt data from another library. It is hoped that over * time these anomalies will be found and fixed, but until then it is * recommended that ciphers are chosen that interoperate across platform. * * An X below means the test passes, it does not necessarily mean that * encryption performed is correct or secure. Applications should stick * to ciphers that pass the interoperablity tests on the right hand side * of the table. * * Aligned data is data whose length is a multiple of the block size for * the chosen cipher. Padded data is data that is not aligned by block * size and must be padded by the crypto library. * * OpenSSL CommonCrypto NSS Interop * Align Pad Align Pad Align Pad Align Pad * 3DES_192/CBC X X X X X X X X * 3DES_192/ECB X X X X * AES_256/CBC X X X X X X X X * AES_256/ECB X X X X X X * AES_192/CBC X X X X X X * AES_192/ECB X X X X X * AES_128/CBC X X X X X X * AES_128/ECB X X X X X * * Conclusion: for padded data, use 3DES_192/CBC or AES_256/CBC. For * aligned data, use 3DES_192/CBC, AES_256/CBC or AES_256/ECB. */ typedef enum { APR_KEY_NONE, APR_KEY_3DES_192, /** 192 bit (3-Key) 3DES */ APR_KEY_AES_128, /** 128 bit AES */ APR_KEY_AES_192, /** 192 bit AES */ APR_KEY_AES_256 /** 256 bit AES */ } apr_crypto_block_key_type_e; typedef enum { APR_MODE_NONE, /** An error condition */ APR_MODE_ECB, /** Electronic Code Book */ APR_MODE_CBC /** Cipher Block Chaining */ } apr_crypto_block_key_mode_e; /* These are opaque structs. Instantiation is up to each backend */ typedef struct apr_crypto_driver_t apr_crypto_driver_t; typedef struct apr_crypto_t apr_crypto_t; typedef struct apr_crypto_config_t apr_crypto_config_t; typedef struct apr_crypto_key_t apr_crypto_key_t; typedef struct apr_crypto_block_t apr_crypto_block_t; typedef struct apr_crypto_block_key_type_t { apr_crypto_block_key_type_e type; int keysize; int blocksize; int ivsize; } apr_crypto_block_key_type_t; typedef struct apr_crypto_block_key_mode_t { apr_crypto_block_key_mode_e mode; } apr_crypto_block_key_mode_t; typedef struct apr_crypto_passphrase_t { const char *pass; apr_size_t passLen; const unsigned char * salt; apr_size_t saltLen; int iterations; } apr_crypto_passphrase_t; typedef struct apr_crypto_secret_t { const unsigned char *secret; apr_size_t secretLen; } apr_crypto_secret_t; typedef enum { /** Key is derived from a passphrase */ APR_CRYPTO_KTYPE_PASSPHRASE = 1, /** Key is derived from a raw key */ APR_CRYPTO_KTYPE_SECRET = 2, } apr_crypto_key_type; typedef struct apr_crypto_key_rec_t { apr_crypto_key_type ktype; apr_crypto_block_key_type_e type; apr_crypto_block_key_mode_e mode; int pad; union { apr_crypto_passphrase_t passphrase; apr_crypto_secret_t secret; } k; } apr_crypto_key_rec_t; /** * @brief Perform once-only initialisation. Call once only. * * @param pool - pool to register any shutdown cleanups, etc * @return APR_NOTIMPL in case of no crypto support. */ APU_DECLARE(apr_status_t) apr_crypto_init(apr_pool_t *pool); /** * @brief Zero out the buffer provided when the pool is cleaned up. * * @param pool - pool to register the cleanup * @param buffer - buffer to zero out * @param size - size of the buffer to zero out */ APU_DECLARE(apr_status_t) apr_crypto_clear(apr_pool_t *pool, void *buffer, apr_size_t size); /** * @brief Always zero out the buffer provided, without being optimized out by * the compiler. * * @param buffer - buffer to zero out * @param size - size of the buffer to zero out */ APU_DECLARE(apr_status_t) apr_crypto_memzero(void *buffer, apr_size_t size); /** * @brief Timing attacks safe buffers comparison, where the executing time does * not depend on the bytes compared but solely on the number of bytes. * * @param buf1 - first buffer to compare * @param buf2 - second buffer to compare * @param size - size of the buffers to compare * @return 1 if the buffers are equals, 0 otherwise. */ APU_DECLARE(int) apr_crypto_equals(const void *buf1, const void *buf2, apr_size_t size); /** * @brief Get the driver struct for a name * * @param driver - pointer to driver struct. * @param name - driver name * @param params - array of initialisation parameters * @param result - result and error message on failure * @param pool - (process) pool to register cleanup * @return APR_SUCCESS for success * @return APR_ENOTIMPL for no driver (when DSO not enabled) * @return APR_EDSOOPEN if DSO driver file can't be opened * @return APR_ESYMNOTFOUND if the driver file doesn't contain a driver * @remarks NSS: the params can have "dir", "key3", "cert7" and "secmod" * keys, each followed by an equal sign and a value. Such key/value pairs can * be delimited by space or tab. If the value contains a space, surround the * whole key value pair in quotes: "dir=My Directory". * @remarks OpenSSL: currently no params are supported. */ APU_DECLARE(apr_status_t) apr_crypto_get_driver( const apr_crypto_driver_t **driver, const char *name, const char *params, const apu_err_t **result, apr_pool_t *pool); /** * @brief Return the name of the driver. * * @param driver - The driver in use. * @return The name of the driver. */ APU_DECLARE(const char *) apr_crypto_driver_name( const apr_crypto_driver_t *driver); /** * @brief Get the result of the last operation on a context. If the result * is NULL, the operation was successful. * @param result - the result structure * @param f - context pointer * @return APR_SUCCESS for success */ APU_DECLARE(apr_status_t) apr_crypto_error(const apu_err_t **result, const apr_crypto_t *f); /** * @brief Create a context for supporting encryption. Keys, certificates, * algorithms and other parameters will be set per context. More than * one context can be created at one time. A cleanup will be automatically * registered with the given pool to guarantee a graceful shutdown. * @param f - context pointer will be written here * @param driver - driver to use * @param params - array of key parameters * @param pool - process pool * @return APR_ENOENGINE when the engine specified does not exist. APR_EINITENGINE * if the engine cannot be initialised. * @remarks NSS: currently no params are supported. * @remarks OpenSSL: the params can have "engine" as a key, followed by an equal * sign and a value. */ APU_DECLARE(apr_status_t) apr_crypto_make(apr_crypto_t **f, const apr_crypto_driver_t *driver, const char *params, apr_pool_t *pool); /** * @brief Get a hash table of key types, keyed by the name of the type against * a pointer to apr_crypto_block_key_type_t, which in turn begins with an * integer. * * @param types - hashtable of key types keyed to constants. * @param f - encryption context * @return APR_SUCCESS for success */ APU_DECLARE(apr_status_t) apr_crypto_get_block_key_types(apr_hash_t **types, const apr_crypto_t *f); /** * @brief Get a hash table of key modes, keyed by the name of the mode against * a pointer to apr_crypto_block_key_mode_t, which in turn begins with an * integer. * * @param modes - hashtable of key modes keyed to constants. * @param f - encryption context * @return APR_SUCCESS for success */ APU_DECLARE(apr_status_t) apr_crypto_get_block_key_modes(apr_hash_t **modes, const apr_crypto_t *f); /** * @brief Create a key from the provided secret or passphrase. The key is cleaned * up when the context is cleaned, and may be reused with multiple encryption * or decryption operations. * @note If *key is NULL, a apr_crypto_key_t will be created from a pool. If * *key is not NULL, *key must point at a previously created structure. * @param key The key returned, see note. * @param rec The key record, from which the key will be derived. * @param f The context to use. * @param p The pool to use. * @return Returns APR_ENOKEY if the pass phrase is missing or empty, or if a backend * error occurred while generating the key. APR_ENOCIPHER if the type or mode * is not supported by the particular backend. APR_EKEYTYPE if the key type is * not known. APR_EPADDING if padding was requested but is not supported. * APR_ENOTIMPL if not implemented. */ APU_DECLARE(apr_status_t) apr_crypto_key(apr_crypto_key_t **key, const apr_crypto_key_rec_t *rec, const apr_crypto_t *f, apr_pool_t *p); /** * @brief Create a key from the given passphrase. By default, the PBKDF2 * algorithm is used to generate the key from the passphrase. It is expected * that the same pass phrase will generate the same key, regardless of the * backend crypto platform used. The key is cleaned up when the context * is cleaned, and may be reused with multiple encryption or decryption * operations. * @note If *key is NULL, a apr_crypto_key_t will be created from a pool. If * *key is not NULL, *key must point at a previously created structure. * @param key The key returned, see note. * @param ivSize The size of the initialisation vector will be returned, based * on whether an IV is relevant for this type of crypto. * @param pass The passphrase to use. * @param passLen The passphrase length in bytes * @param salt The salt to use. * @param saltLen The salt length in bytes * @param type 3DES_192, AES_128, AES_192, AES_256. * @param mode Electronic Code Book / Cipher Block Chaining. * @param doPad Pad if necessary. * @param iterations Number of iterations to use in algorithm * @param f The context to use. * @param p The pool to use. * @return Returns APR_ENOKEY if the pass phrase is missing or empty, or if a backend * error occurred while generating the key. APR_ENOCIPHER if the type or mode * is not supported by the particular backend. APR_EKEYTYPE if the key type is * not known. APR_EPADDING if padding was requested but is not supported. * APR_ENOTIMPL if not implemented. * @deprecated Replaced by apr_crypto_key(). */ APU_DECLARE(apr_status_t) apr_crypto_passphrase(apr_crypto_key_t **key, apr_size_t *ivSize, const char *pass, apr_size_t passLen, const unsigned char * salt, apr_size_t saltLen, const apr_crypto_block_key_type_e type, const apr_crypto_block_key_mode_e mode, const int doPad, const int iterations, const apr_crypto_t *f, apr_pool_t *p); /** * @brief Initialise a context for encrypting arbitrary data using the given key. * @note If *ctx is NULL, a apr_crypto_block_t will be created from a pool. If * *ctx is not NULL, *ctx must point at a previously created structure. * @param ctx The block context returned, see note. * @param iv Optional initialisation vector. If the buffer pointed to is NULL, * an IV will be created at random, in space allocated from the pool. * If the buffer pointed to is not NULL, the IV in the buffer will be * used. * @param key The key structure to use. * @param blockSize The block size of the cipher. * @param p The pool to use. * @return Returns APR_ENOIV if an initialisation vector is required but not specified. * Returns APR_EINIT if the backend failed to initialise the context. Returns * APR_ENOTIMPL if not implemented. */ APU_DECLARE(apr_status_t) apr_crypto_block_encrypt_init( apr_crypto_block_t **ctx, const unsigned char **iv, const apr_crypto_key_t *key, apr_size_t *blockSize, apr_pool_t *p); /** * @brief Encrypt data provided by in, write it to out. * @note The number of bytes written will be written to outlen. If * out is NULL, outlen will contain the maximum size of the * buffer needed to hold the data, including any data * generated by apr_crypto_block_encrypt_finish below. If *out points * to NULL, a buffer sufficiently large will be created from * the pool provided. If *out points to a not-NULL value, this * value will be used as a buffer instead. * @param out Address of a buffer to which data will be written, * see note. * @param outlen Length of the output will be written here. * @param in Address of the buffer to read. * @param inlen Length of the buffer to read. * @param ctx The block context to use. * @return APR_ECRYPT if an error occurred. Returns APR_ENOTIMPL if * not implemented. */ APU_DECLARE(apr_status_t) apr_crypto_block_encrypt(unsigned char **out, apr_size_t *outlen, const unsigned char *in, apr_size_t inlen, apr_crypto_block_t *ctx); /** * @brief Encrypt final data block, write it to out. * @note If necessary the final block will be written out after being * padded. Typically the final block will be written to the * same buffer used by apr_crypto_block_encrypt, offset by the * number of bytes returned as actually written by the * apr_crypto_block_encrypt() call. After this call, the context * is cleaned and can be reused by apr_crypto_block_encrypt_init(). * @param out Address of a buffer to which data will be written. This * buffer must already exist, and is usually the same * buffer used by apr_evp_crypt(). See note. * @param outlen Length of the output will be written here. * @param ctx The block context to use. * @return APR_ECRYPT if an error occurred. * @return APR_EPADDING if padding was enabled and the block was incorrectly * formatted. * @return APR_ENOTIMPL if not implemented. */ APU_DECLARE(apr_status_t) apr_crypto_block_encrypt_finish(unsigned char *out, apr_size_t *outlen, apr_crypto_block_t *ctx); /** * @brief Initialise a context for decrypting arbitrary data using the given key. * @note If *ctx is NULL, a apr_crypto_block_t will be created from a pool. If * *ctx is not NULL, *ctx must point at a previously created structure. * @param ctx The block context returned, see note. * @param blockSize The block size of the cipher. * @param iv Optional initialisation vector. * @param key The key structure to use. * @param p The pool to use. * @return Returns APR_ENOIV if an initialisation vector is required but not specified. * Returns APR_EINIT if the backend failed to initialise the context. Returns * APR_ENOTIMPL if not implemented. */ APU_DECLARE(apr_status_t) apr_crypto_block_decrypt_init( apr_crypto_block_t **ctx, apr_size_t *blockSize, const unsigned char *iv, const apr_crypto_key_t *key, apr_pool_t *p); /** * @brief Decrypt data provided by in, write it to out. * @note The number of bytes written will be written to outlen. If * out is NULL, outlen will contain the maximum size of the * buffer needed to hold the data, including any data * generated by apr_crypto_block_decrypt_finish below. If *out points * to NULL, a buffer sufficiently large will be created from * the pool provided. If *out points to a not-NULL value, this * value will be used as a buffer instead. * @param out Address of a buffer to which data will be written, * see note. * @param outlen Length of the output will be written here. * @param in Address of the buffer to read. * @param inlen Length of the buffer to read. * @param ctx The block context to use. * @return APR_ECRYPT if an error occurred. Returns APR_ENOTIMPL if * not implemented. */ APU_DECLARE(apr_status_t) apr_crypto_block_decrypt(unsigned char **out, apr_size_t *outlen, const unsigned char *in, apr_size_t inlen, apr_crypto_block_t *ctx); /** * @brief Decrypt final data block, write it to out. * @note If necessary the final block will be written out after being * padded. Typically the final block will be written to the * same buffer used by apr_crypto_block_decrypt, offset by the * number of bytes returned as actually written by the * apr_crypto_block_decrypt() call. After this call, the context * is cleaned and can be reused by apr_crypto_block_decrypt_init(). * @param out Address of a buffer to which data will be written. This * buffer must already exist, and is usually the same * buffer used by apr_evp_crypt(). See note. * @param outlen Length of the output will be written here. * @param ctx The block context to use. * @return APR_ECRYPT if an error occurred. * @return APR_EPADDING if padding was enabled and the block was incorrectly * formatted. * @return APR_ENOTIMPL if not implemented. */ APU_DECLARE(apr_status_t) apr_crypto_block_decrypt_finish(unsigned char *out, apr_size_t *outlen, apr_crypto_block_t *ctx); /** * @brief Clean encryption / decryption context. * @note After cleanup, a context is free to be reused if necessary. * @param ctx The block context to use. * @return Returns APR_ENOTIMPL if not supported. */ APU_DECLARE(apr_status_t) apr_crypto_block_cleanup(apr_crypto_block_t *ctx); /** * @brief Clean encryption / decryption context. * @note After cleanup, a context is free to be reused if necessary. * @param f The context to use. * @return Returns APR_ENOTIMPL if not supported. */ APU_DECLARE(apr_status_t) apr_crypto_cleanup(apr_crypto_t *f); /** * @brief Shutdown the crypto library. * @note After shutdown, it is expected that the init function can be called again. * @param driver - driver to use * @return Returns APR_ENOTIMPL if not supported. */ APU_DECLARE(apr_status_t) apr_crypto_shutdown( const apr_crypto_driver_t *driver); #endif /* APU_HAVE_CRYPTO */ /** @} */ #ifdef __cplusplus } #endif #endif