2 * Copyright 2019 The OpenSSL Project Authors. All Rights Reserved.
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
12 #include <openssl/core.h>
13 #include <openssl/core_numbers.h>
14 #include <openssl/core_names.h>
15 #include <openssl/params.h>
16 #include <openssl/err.h>
17 #include <openssl/evp.h>
18 /* TODO(3.0): Needed for dummy_evp_call(). To be removed */
19 #include <openssl/sha.h>
20 #include "internal/cryptlib.h"
21 #include "internal/property.h"
22 #include "internal/evp_int.h"
23 #include "internal/provider_algs.h"
25 /* Functions provided by the core */
26 static OSSL_core_get_param_types_fn *c_get_param_types = NULL;
27 static OSSL_core_get_params_fn *c_get_params = NULL;
28 static OSSL_core_put_error_fn *c_put_error = NULL;
29 static OSSL_core_add_error_vdata_fn *c_add_error_vdata = NULL;
31 /* Parameters we provide to the core */
32 static const OSSL_ITEM fips_param_types[] = {
33 { OSSL_PARAM_UTF8_PTR, OSSL_PROV_PARAM_NAME },
34 { OSSL_PARAM_UTF8_PTR, OSSL_PROV_PARAM_VERSION },
35 { OSSL_PARAM_UTF8_PTR, OSSL_PROV_PARAM_BUILDINFO },
39 /* TODO(3.0): To be removed */
40 static int dummy_evp_call(OPENSSL_CTX *libctx)
42 EVP_MD_CTX *ctx = EVP_MD_CTX_new();
43 EVP_MD *sha256 = EVP_MD_fetch(libctx, "SHA256", NULL);
44 char msg[] = "Hello World!";
45 const unsigned char exptd[] = {
46 0x7f, 0x83, 0xb1, 0x65, 0x7f, 0xf1, 0xfc, 0x53, 0xb9, 0x2d, 0xc1, 0x81,
47 0x48, 0xa1, 0xd6, 0x5d, 0xfc, 0x2d, 0x4b, 0x1f, 0xa3, 0xd6, 0x77, 0x28,
48 0x4a, 0xdd, 0xd2, 0x00, 0x12, 0x6d, 0x90, 0x69
50 unsigned int dgstlen = 0;
51 unsigned char dgst[SHA256_DIGEST_LENGTH];
54 if (ctx == NULL || sha256 == NULL)
57 if (!EVP_DigestInit_ex(ctx, sha256, NULL))
59 if (!EVP_DigestUpdate(ctx, msg, sizeof(msg) - 1))
61 if (!EVP_DigestFinal(ctx, dgst, &dgstlen))
63 if (dgstlen != sizeof(exptd) || memcmp(dgst, exptd, sizeof(exptd)) != 0)
69 EVP_MD_meth_free(sha256);
73 static const OSSL_ITEM *fips_get_param_types(const OSSL_PROVIDER *prov)
75 return fips_param_types;
78 static int fips_get_params(const OSSL_PROVIDER *prov,
79 const OSSL_PARAM params[])
83 p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_NAME);
84 if (p != NULL && !OSSL_PARAM_set_utf8_ptr(p, "OpenSSL FIPS Provider"))
86 p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_VERSION);
87 if (p != NULL && !OSSL_PARAM_set_utf8_ptr(p, OPENSSL_VERSION_STR))
89 p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_BUILDINFO);
90 if (p != NULL && !OSSL_PARAM_set_utf8_ptr(p, OPENSSL_FULL_VERSION_STR))
96 static const OSSL_ALGORITHM fips_digests[] = {
97 { "SHA1", "fips=yes", sha1_functions },
98 { "SHA224", "fips=yes", sha224_functions },
99 { "SHA256", "fips=yes", sha256_functions },
100 { "SHA384", "fips=yes", sha384_functions },
101 { "SHA512", "fips=yes", sha512_functions },
102 { "SHA512-224", "fips=yes", sha512_224_functions },
103 { "SHA512-256", "fips=yes", sha512_256_functions },
104 { "SHA3-224", "fips=yes", sha3_224_functions },
105 { "SHA3-256", "fips=yes", sha3_256_functions },
106 { "SHA3-384", "fips=yes", sha3_384_functions },
107 { "SHA3-512", "fips=yes", sha3_512_functions },
108 { "KMAC128", "fips=yes", keccak_kmac_128_functions },
109 { "KMAC256", "fips=yes", keccak_kmac_256_functions },
114 static const OSSL_ALGORITHM fips_ciphers[] = {
115 { "AES-256-ECB", "fips=yes", aes256ecb_functions },
116 { "AES-192-ECB", "fips=yes", aes192ecb_functions },
117 { "AES-128-ECB", "fips=yes", aes128ecb_functions },
118 { "AES-256-CBC", "fips=yes", aes256cbc_functions },
119 { "AES-192-CBC", "fips=yes", aes192cbc_functions },
120 { "AES-128-CBC", "fips=yes", aes128cbc_functions },
121 { "AES-256-CTR", "fips=yes", aes256ctr_functions },
122 { "AES-192-CTR", "fips=yes", aes192ctr_functions },
123 { "AES-128-CTR", "fips=yes", aes128ctr_functions },
127 static const OSSL_ALGORITHM *fips_query(OSSL_PROVIDER *prov,
132 switch (operation_id) {
141 /* Functions we provide to the core */
142 static const OSSL_DISPATCH fips_dispatch_table[] = {
144 * To release our resources we just need to free the OPENSSL_CTX so we just
145 * use OPENSSL_CTX_free directly as our teardown function
147 { OSSL_FUNC_PROVIDER_TEARDOWN, (void (*)(void))OPENSSL_CTX_free },
148 { OSSL_FUNC_PROVIDER_GET_PARAM_TYPES, (void (*)(void))fips_get_param_types },
149 { OSSL_FUNC_PROVIDER_GET_PARAMS, (void (*)(void))fips_get_params },
150 { OSSL_FUNC_PROVIDER_QUERY_OPERATION, (void (*)(void))fips_query },
154 /* Functions we provide to ourself */
155 static const OSSL_DISPATCH intern_dispatch_table[] = {
156 { OSSL_FUNC_PROVIDER_QUERY_OPERATION, (void (*)(void))fips_query },
161 int OSSL_provider_init(const OSSL_PROVIDER *provider,
162 const OSSL_DISPATCH *in,
163 const OSSL_DISPATCH **out,
168 for (; in->function_id != 0; in++) {
169 switch (in->function_id) {
170 case OSSL_FUNC_CORE_GET_PARAM_TYPES:
171 c_get_param_types = OSSL_get_core_get_param_types(in);
173 case OSSL_FUNC_CORE_GET_PARAMS:
174 c_get_params = OSSL_get_core_get_params(in);
176 case OSSL_FUNC_CORE_PUT_ERROR:
177 c_put_error = OSSL_get_core_put_error(in);
179 case OSSL_FUNC_CORE_ADD_ERROR_VDATA:
180 c_add_error_vdata = OSSL_get_core_add_error_vdata(in);
182 /* Just ignore anything we don't understand */
188 ctx = OPENSSL_CTX_new();
193 * TODO(3.0): Remove me. This is just a dummy call to demonstrate making
194 * EVP calls from within the FIPS module.
196 if (!dummy_evp_call(ctx)) {
197 OPENSSL_CTX_free(ctx);
201 *out = fips_dispatch_table;
207 * The internal init function used when the FIPS module uses EVP to call
208 * another algorithm also in the FIPS module. This is a recursive call that has
209 * been made from within the FIPS module itself. Normally we are responsible for
210 * providing our own provctx value, but in this recursive case it has been
211 * pre-populated for us with the same library context that was used in the EVP
212 * call that initiated this recursive call - so we don't need to do anything
213 * further with that parameter. This only works because we *know* in the core
214 * code that the FIPS module uses a library context for its provctx. This is
215 * not generally true for all providers.
217 OSSL_provider_init_fn fips_intern_provider_init;
218 int fips_intern_provider_init(const OSSL_PROVIDER *provider,
219 const OSSL_DISPATCH *in,
220 const OSSL_DISPATCH **out,
223 *out = intern_dispatch_table;
227 void ERR_put_error(int lib, int func, int reason, const char *file, int line)
230 * TODO(3.0): This works for the FIPS module because we're going to be
231 * using lib/func/reason codes that libcrypto already knows about. This
232 * won't work for third party providers that have their own error mechanisms,
233 * so we'll need to come up with something else for them.
235 c_put_error(lib, func, reason, file, line);
238 void ERR_add_error_data(int num, ...)
242 ERR_add_error_vdata(num, args);
246 void ERR_add_error_vdata(int num, va_list args)
248 c_add_error_vdata(num, args);