Implement AES CTR ciphers in the default provider
[openssl.git] / providers / default / defltprov.c
1 /*
2  * Copyright 2019 The OpenSSL Project Authors. All Rights Reserved.
3  *
4  * Licensed under the Apache License 2.0 (the "License").  You may not use
5  * this file except in compliance with the License.  You can obtain a copy
6  * in the file LICENSE in the source distribution or at
7  * https://www.openssl.org/source/license.html
8  */
9
10 #include <string.h>
11 #include <stdio.h>
12 #include <openssl/core.h>
13 #include <openssl/core_numbers.h>
14 #include <openssl/core_names.h>
15 #include <openssl/params.h>
16 #include "internal/provider_algs.h"
17
18 /* Functions provided by the core */
19 static OSSL_core_get_param_types_fn *c_get_param_types = NULL;
20 static OSSL_core_get_params_fn *c_get_params = NULL;
21
22 /* Parameters we provide to the core */
23 static const OSSL_ITEM deflt_param_types[] = {
24     { OSSL_PARAM_UTF8_PTR, OSSL_PROV_PARAM_NAME },
25     { OSSL_PARAM_UTF8_PTR, OSSL_PROV_PARAM_VERSION },
26     { OSSL_PARAM_UTF8_PTR, OSSL_PROV_PARAM_BUILDINFO },
27     { 0, NULL }
28 };
29
30 static const OSSL_ITEM *deflt_get_param_types(const OSSL_PROVIDER *prov)
31 {
32     return deflt_param_types;
33 }
34
35 static int deflt_get_params(const OSSL_PROVIDER *prov,
36                             const OSSL_PARAM params[])
37 {
38     const OSSL_PARAM *p;
39
40     p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_NAME);
41     if (p != NULL && !OSSL_PARAM_set_utf8_ptr(p, "OpenSSL Default Provider"))
42         return 0;
43     p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_VERSION);
44     if (p != NULL && !OSSL_PARAM_set_utf8_ptr(p, OPENSSL_VERSION_STR))
45         return 0;
46     p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_BUILDINFO);
47     if (p != NULL && !OSSL_PARAM_set_utf8_ptr(p, OPENSSL_FULL_VERSION_STR))
48         return 0;
49
50     return 1;
51 }
52
53 static const OSSL_ALGORITHM deflt_digests[] = {
54     { "SHA256", "default=yes", sha256_functions },
55     { NULL, NULL, NULL }
56 };
57
58 static const OSSL_ALGORITHM deflt_ciphers[] = {
59     { "AES-256-ECB", "default=yes", aes256ecb_functions },
60     { "AES-192-ECB", "default=yes", aes192ecb_functions },
61     { "AES-128-ECB", "default=yes", aes128ecb_functions },
62     { "AES-256-CBC", "default=yes", aes256cbc_functions },
63     { "AES-192-CBC", "default=yes", aes192cbc_functions },
64     { "AES-128-CBC", "default=yes", aes128cbc_functions },
65     { "AES-256-OFB", "default=yes", aes256ofb_functions },
66     { "AES-192-OFB", "default=yes", aes192ofb_functions },
67     { "AES-128-OFB", "default=yes", aes128ofb_functions },
68     { "AES-256-CFB", "default=yes", aes256cfb_functions },
69     { "AES-192-CFB", "default=yes", aes192cfb_functions },
70     { "AES-128-CFB", "default=yes", aes128cfb_functions },
71     { "AES-256-CFB1", "default=yes", aes256cfb1_functions },
72     { "AES-192-CFB1", "default=yes", aes192cfb1_functions },
73     { "AES-128-CFB1", "default=yes", aes128cfb1_functions },
74     { "AES-256-CFB8", "default=yes", aes256cfb8_functions },
75     { "AES-192-CFB8", "default=yes", aes192cfb8_functions },
76     { "AES-128-CFB8", "default=yes", aes128cfb8_functions },
77     { "AES-256-CTR", "default=yes", aes256ctr_functions },
78     { "AES-192-CTR", "default=yes", aes192ctr_functions },
79     { "AES-128-CTR", "default=yes", aes128ctr_functions },
80     { NULL, NULL, NULL }
81 };
82
83 static const OSSL_ALGORITHM *deflt_query(OSSL_PROVIDER *prov,
84                                          int operation_id,
85                                          int *no_cache)
86 {
87     *no_cache = 0;
88     switch (operation_id) {
89     case OSSL_OP_DIGEST:
90         return deflt_digests;
91     case OSSL_OP_CIPHER:
92         return deflt_ciphers;
93     }
94     return NULL;
95 }
96
97 /* Functions we provide to the core */
98 static const OSSL_DISPATCH deflt_dispatch_table[] = {
99     { OSSL_FUNC_PROVIDER_GET_PARAM_TYPES, (void (*)(void))deflt_get_param_types },
100     { OSSL_FUNC_PROVIDER_GET_PARAMS, (void (*)(void))deflt_get_params },
101     { OSSL_FUNC_PROVIDER_QUERY_OPERATION, (void (*)(void))deflt_query },
102     { 0, NULL }
103 };
104
105 OSSL_provider_init_fn ossl_default_provider_init;
106
107 int ossl_default_provider_init(const OSSL_PROVIDER *provider,
108                                const OSSL_DISPATCH *in,
109                                const OSSL_DISPATCH **out)
110 {
111     for (; in->function_id != 0; in++) {
112         switch (in->function_id) {
113         case OSSL_FUNC_CORE_GET_PARAM_TYPES:
114             c_get_param_types = OSSL_get_core_get_param_types(in);
115             break;
116         case OSSL_FUNC_CORE_GET_PARAMS:
117             c_get_params = OSSL_get_core_get_params(in);
118             break;
119         default:
120             /* Just ignore anything we don't understand */
121             break;
122         }
123     }
124
125     *out = deflt_dispatch_table;
126     return 1;
127 }