/src/openssl/providers/implementations/rands/test_rng.c

Source
/*
 * Copyright 2020-2025 The OpenSSL Project Authors. All Rights Reserved.
 *
 * Licensed under the Apache License 2.0 (the "License").  You may not use
 * this file except in compliance with the License.  You can obtain a copy
 * in the file LICENSE in the source distribution or at
 * https://www.openssl.org/source/license.html
 */

#include <string.h>
#include <stdlib.h>
#include <openssl/core_dispatch.h>
#include <openssl/e_os2.h>
#include <openssl/params.h>
#include <openssl/core_names.h>
#include <openssl/evp.h>
#include <openssl/err.h>
#include <openssl/proverr.h>
#include <openssl/randerr.h>
#include "internal/common.h"
#include "prov/securitycheck.h"
#include "prov/providercommon.h"
#include "prov/provider_ctx.h"
#include "prov/provider_util.h"
#include "prov/implementations.h"
#include "providers/implementations/rands/test_rng.inc"

static OSSL_FUNC_rand_newctx_fn test_rng_new;
static OSSL_FUNC_rand_freectx_fn test_rng_free;
static OSSL_FUNC_rand_instantiate_fn test_rng_instantiate;
static OSSL_FUNC_rand_uninstantiate_fn test_rng_uninstantiate;
static OSSL_FUNC_rand_generate_fn test_rng_generate;
static OSSL_FUNC_rand_reseed_fn test_rng_reseed;
static OSSL_FUNC_rand_nonce_fn test_rng_nonce;
static OSSL_FUNC_rand_settable_ctx_params_fn test_rng_settable_ctx_params;
static OSSL_FUNC_rand_set_ctx_params_fn test_rng_set_ctx_params;
static OSSL_FUNC_rand_gettable_ctx_params_fn test_rng_gettable_ctx_params;
static OSSL_FUNC_rand_get_ctx_params_fn test_rng_get_ctx_params;
static OSSL_FUNC_rand_verify_zeroization_fn test_rng_verify_zeroization;
static OSSL_FUNC_rand_enable_locking_fn test_rng_enable_locking;
static OSSL_FUNC_rand_lock_fn test_rng_lock;
static OSSL_FUNC_rand_unlock_fn test_rng_unlock;
static OSSL_FUNC_rand_get_seed_fn test_rng_get_seed;

typedef struct {
    void *provctx;
    unsigned int generate;
    int state;
    unsigned int strength;
    size_t max_request;
    unsigned char *entropy, *nonce;
    size_t entropy_len, entropy_pos, nonce_len;
    CRYPTO_RWLOCK *lock;
    uint32_t seed;
} PROV_TEST_RNG;

static void *test_rng_new(void *provctx, void *parent,
                          const OSSL_DISPATCH *parent_dispatch)
{
    PROV_TEST_RNG *t;

    t = OPENSSL_zalloc(sizeof(*t));
    if (t == NULL)
        return NULL;

    t->max_request = INT_MAX;
    t->provctx = provctx;
    t->state = EVP_RAND_STATE_UNINITIALISED;
    return t;
}

static void test_rng_free(void *vtest)
{
    PROV_TEST_RNG *t = (PROV_TEST_RNG *)vtest;

    if (t == NULL)
        return;
    OPENSSL_free(t->entropy);
    OPENSSL_free(t->nonce);
    CRYPTO_THREAD_lock_free(t->lock);
    OPENSSL_free(t);
}

static int test_rng_instantiate(void *vtest, unsigned int strength,
                                int prediction_resistance,
                                const unsigned char *pstr, size_t pstr_len,
                                const OSSL_PARAM params[])
{
    PROV_TEST_RNG *t = (PROV_TEST_RNG *)vtest;

    if (!test_rng_set_ctx_params(t, params) || strength > t->strength)
        return 0;

    t->state = EVP_RAND_STATE_READY;
    t->entropy_pos = 0;
    t->seed = 221953166;    /* Value doesn't matter, so long as it isn't zero */

    return 1;
}

static int test_rng_uninstantiate(void *vtest)
{
    PROV_TEST_RNG *t = (PROV_TEST_RNG *)vtest;

    t->entropy_pos = 0;
    t->state = EVP_RAND_STATE_UNINITIALISED;
    return 1;
}

static unsigned char gen_byte(PROV_TEST_RNG *t)
{
    uint32_t n;

    /*
     * Implement the 32 bit xorshift as suggested by George Marsaglia in:
     *      https://doi.org/10.18637/jss.v008.i14
     *
     * This is a very fast PRNG so there is no need to extract bytes one at a
     * time and use the entire value each time.
     */
    n = t->seed;
    n ^= n << 13;
    n ^= n >> 17;
    n ^= n << 5;
    t->seed = n;

    return n & 0xff;
}

static int test_rng_generate(void *vtest, unsigned char *out, size_t outlen,
                             unsigned int strength, int prediction_resistance,
                             const unsigned char *adin, size_t adin_len)
{
    PROV_TEST_RNG *t = (PROV_TEST_RNG *)vtest;
    size_t i;

    if (strength > t->strength)
        return 0;
    if (t->generate) {
        for (i = 0; i < outlen; i++)
            out[i] = gen_byte(t);
    } else {
        if (t->entropy_len - t->entropy_pos < outlen)
            return 0;

        memcpy(out, t->entropy + t->entropy_pos, outlen);
        t->entropy_pos += outlen;
    }
    return 1;
}

static int test_rng_reseed(ossl_unused void *vtest,
                           ossl_unused int prediction_resistance,
                           ossl_unused const unsigned char *ent,
                           ossl_unused size_t ent_len,
                           ossl_unused const unsigned char *adin,
                           ossl_unused size_t adin_len)
{
    return 1;
}

static size_t test_rng_nonce(void *vtest, unsigned char *out,
                             unsigned int strength, size_t min_noncelen,
                             size_t max_noncelen)
{
    PROV_TEST_RNG *t = (PROV_TEST_RNG *)vtest;
    size_t i;

    if (strength > t->strength)
        return 0;

    if (t->generate) {
        for (i = 0; i < min_noncelen; i++)
            out[i] = gen_byte(t);
        return min_noncelen;
    }

    if (t->nonce == NULL)
        return 0;
    i = t->nonce_len > max_noncelen ? max_noncelen : t->nonce_len;
    if (out != NULL)
        memcpy(out, t->nonce, i);
    return i;
}

static int test_rng_get_ctx_params(void *vtest, OSSL_PARAM params[])
{
    PROV_TEST_RNG *t = (PROV_TEST_RNG *)vtest;
    struct test_rng_get_ctx_params_st p;

    if (t == NULL || !test_rng_get_ctx_params_decoder(params, &p))
        return 0;

    if (p.state != NULL && !OSSL_PARAM_set_int(p.state, t->state))
        return 0;

    if (p.str != NULL && !OSSL_PARAM_set_uint(p.str, t->strength))
        return 0;

    if (p.maxreq != NULL && !OSSL_PARAM_set_size_t(p.maxreq, t->max_request))
        return 0;

    if (p.gen != NULL && !OSSL_PARAM_set_uint(p.gen, t->generate))
        return 0;

#ifdef FIPS_MODULE
    if (p.ind != NULL && !OSSL_PARAM_set_int(p.ind, 0))
         return 0;
#endif  /* FIPS_MODULE */

    return 1;
}

static const OSSL_PARAM *test_rng_gettable_ctx_params(ossl_unused void *vtest,
                                                      ossl_unused void *provctx)
{
    return test_rng_get_ctx_params_list;
}

static int test_rng_set_ctx_params(void *vtest, const OSSL_PARAM params[])
{
    PROV_TEST_RNG *t = (PROV_TEST_RNG *)vtest;
    struct test_rng_set_ctx_params_st p;
    void *ptr = NULL;
    size_t size = 0;

    if (t == NULL || !test_rng_set_ctx_params_decoder(params, &p))
        return 0;

    if (p.str != NULL && !OSSL_PARAM_get_uint(p.str, &t->strength))
        return 0;

    if (p.ent != NULL) {
        if (!OSSL_PARAM_get_octet_string(p.ent, &ptr, 0, &size))
            return 0;
        OPENSSL_free(t->entropy);
        t->entropy = ptr;
        t->entropy_len = size;
        t->entropy_pos = 0;
        ptr = NULL;
    }

    if (p.nonce != NULL) {
        if (!OSSL_PARAM_get_octet_string(p.nonce, &ptr, 0, &size))
            return 0;
        OPENSSL_free(t->nonce);
        t->nonce = ptr;
        t->nonce_len = size;
    }

    if (p.maxreq != NULL && !OSSL_PARAM_get_size_t(p.maxreq, &t->max_request))
        return 0;

    if (p.gen != NULL && !OSSL_PARAM_get_uint(p.gen, &t->generate))
        return 0;
    return 1;
}

static const OSSL_PARAM *test_rng_settable_ctx_params(ossl_unused void *vtest,
                                                      ossl_unused void *provctx)
{
    return test_rng_set_ctx_params_list;
}

static int test_rng_verify_zeroization(ossl_unused void *vtest)
{
    return 1;
}

static size_t test_rng_get_seed(void *vtest, unsigned char **pout,
                                int entropy, size_t min_len, size_t max_len,
                                ossl_unused int prediction_resistance,
                                ossl_unused const unsigned char *adin,
                                ossl_unused size_t adin_len)
{
    PROV_TEST_RNG *t = (PROV_TEST_RNG *)vtest;

    *pout = t->entropy;
    return  t->entropy_len > max_len ? max_len : t->entropy_len;
}

static int test_rng_enable_locking(void *vtest)
{
    PROV_TEST_RNG *t = (PROV_TEST_RNG *)vtest;

    if (t != NULL && t->lock == NULL) {
        t->lock = CRYPTO_THREAD_lock_new();
        if (t->lock == NULL) {
            ERR_raise(ERR_LIB_PROV, RAND_R_FAILED_TO_CREATE_LOCK);
            return 0;
        }
    }
    return 1;
}

static int test_rng_lock(void *vtest)
{
    PROV_TEST_RNG *t = (PROV_TEST_RNG *)vtest;

    if (t == NULL || t->lock == NULL)
        return 1;
    return CRYPTO_THREAD_write_lock(t->lock);
}

static void test_rng_unlock(void *vtest)
{
    PROV_TEST_RNG *t = (PROV_TEST_RNG *)vtest;

    if (t != NULL && t->lock != NULL)
        CRYPTO_THREAD_unlock(t->lock);
}

const OSSL_DISPATCH ossl_test_rng_functions[] = {
    { OSSL_FUNC_RAND_NEWCTX, (void(*)(void))test_rng_new },
    { OSSL_FUNC_RAND_FREECTX, (void(*)(void))test_rng_free },
    { OSSL_FUNC_RAND_INSTANTIATE,
      (void(*)(void))test_rng_instantiate },
    { OSSL_FUNC_RAND_UNINSTANTIATE,
      (void(*)(void))test_rng_uninstantiate },
    { OSSL_FUNC_RAND_GENERATE, (void(*)(void))test_rng_generate },
    { OSSL_FUNC_RAND_RESEED, (void(*)(void))test_rng_reseed },
    { OSSL_FUNC_RAND_NONCE, (void(*)(void))test_rng_nonce },
    { OSSL_FUNC_RAND_ENABLE_LOCKING, (void(*)(void))test_rng_enable_locking },
    { OSSL_FUNC_RAND_LOCK, (void(*)(void))test_rng_lock },
    { OSSL_FUNC_RAND_UNLOCK, (void(*)(void))test_rng_unlock },
    { OSSL_FUNC_RAND_SETTABLE_CTX_PARAMS,
      (void(*)(void))test_rng_settable_ctx_params },
    { OSSL_FUNC_RAND_SET_CTX_PARAMS, (void(*)(void))test_rng_set_ctx_params },
    { OSSL_FUNC_RAND_GETTABLE_CTX_PARAMS,
      (void(*)(void))test_rng_gettable_ctx_params },
    { OSSL_FUNC_RAND_GET_CTX_PARAMS, (void(*)(void))test_rng_get_ctx_params },
    { OSSL_FUNC_RAND_VERIFY_ZEROIZATION,
      (void(*)(void))test_rng_verify_zeroization },
    { OSSL_FUNC_RAND_GET_SEED, (void(*)(void))test_rng_get_seed },
    OSSL_DISPATCH_END
};

Coverage Report

Created: 2025-10-28 06:56

Line	Count	Source
1		/*
2		* Copyright 2020-2025 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 <stdlib.h>
12		#include <openssl/core_dispatch.h>
13		#include <openssl/e_os2.h>
14		#include <openssl/params.h>
15		#include <openssl/core_names.h>
16		#include <openssl/evp.h>
17		#include <openssl/err.h>
18		#include <openssl/proverr.h>
19		#include <openssl/randerr.h>
20		#include "internal/common.h"
21		#include "prov/securitycheck.h"
22		#include "prov/providercommon.h"
23		#include "prov/provider_ctx.h"
24		#include "prov/provider_util.h"
25		#include "prov/implementations.h"
26		#include "providers/implementations/rands/test_rng.inc"
27
28		static OSSL_FUNC_rand_newctx_fn test_rng_new;
29		static OSSL_FUNC_rand_freectx_fn test_rng_free;
30		static OSSL_FUNC_rand_instantiate_fn test_rng_instantiate;
31		static OSSL_FUNC_rand_uninstantiate_fn test_rng_uninstantiate;
32		static OSSL_FUNC_rand_generate_fn test_rng_generate;
33		static OSSL_FUNC_rand_reseed_fn test_rng_reseed;
34		static OSSL_FUNC_rand_nonce_fn test_rng_nonce;
35		static OSSL_FUNC_rand_settable_ctx_params_fn test_rng_settable_ctx_params;
36		static OSSL_FUNC_rand_set_ctx_params_fn test_rng_set_ctx_params;
37		static OSSL_FUNC_rand_gettable_ctx_params_fn test_rng_gettable_ctx_params;
38		static OSSL_FUNC_rand_get_ctx_params_fn test_rng_get_ctx_params;
39		static OSSL_FUNC_rand_verify_zeroization_fn test_rng_verify_zeroization;
40		static OSSL_FUNC_rand_enable_locking_fn test_rng_enable_locking;
41		static OSSL_FUNC_rand_lock_fn test_rng_lock;
42		static OSSL_FUNC_rand_unlock_fn test_rng_unlock;
43		static OSSL_FUNC_rand_get_seed_fn test_rng_get_seed;
44
45		typedef struct {
46		void *provctx;
47		unsigned int generate;
48		int state;
49		unsigned int strength;
50		size_t max_request;
51		unsigned char entropy, nonce;
52		size_t entropy_len, entropy_pos, nonce_len;
53		CRYPTO_RWLOCK *lock;
54		uint32_t seed;
55		} PROV_TEST_RNG;
56
57		static void test_rng_new(void provctx, void *parent,
58		const OSSL_DISPATCH *parent_dispatch)
59	0	{
60	0	PROV_TEST_RNG *t;
61
62	0	t = OPENSSL_zalloc(sizeof(*t));
63	0	if (t == NULL)
64	0	return NULL;
65
66	0	t->max_request = INT_MAX;
67	0	t->provctx = provctx;
68	0	t->state = EVP_RAND_STATE_UNINITIALISED;
69	0	return t;
70	0	}
71
72		static void test_rng_free(void *vtest)
73	0	{
74	0	PROV_TEST_RNG t = (PROV_TEST_RNG )vtest;
75
76	0	if (t == NULL)
77	0	return;
78	0	OPENSSL_free(t->entropy);
79	0	OPENSSL_free(t->nonce);
80	0	CRYPTO_THREAD_lock_free(t->lock);
81	0	OPENSSL_free(t);
82	0	}
83
84		static int test_rng_instantiate(void *vtest, unsigned int strength,
85		int prediction_resistance,
86		const unsigned char *pstr, size_t pstr_len,
87		const OSSL_PARAM params[])
88	0	{
89	0	PROV_TEST_RNG t = (PROV_TEST_RNG )vtest;
90
91	0	if (!test_rng_set_ctx_params(t, params) \|\| strength > t->strength)
92	0	return 0;
93
94	0	t->state = EVP_RAND_STATE_READY;
95	0	t->entropy_pos = 0;
96	0	t->seed = 221953166; /* Value doesn't matter, so long as it isn't zero */
97
98	0	return 1;
99	0	}
100
101		static int test_rng_uninstantiate(void *vtest)
102	0	{
103	0	PROV_TEST_RNG t = (PROV_TEST_RNG )vtest;
104
105	0	t->entropy_pos = 0;
106	0	t->state = EVP_RAND_STATE_UNINITIALISED;
107	0	return 1;
108	0	}
109
110		static unsigned char gen_byte(PROV_TEST_RNG *t)
111	0	{
112	0	uint32_t n;
113
114		/*
115		* Implement the 32 bit xorshift as suggested by George Marsaglia in:
116		* https://doi.org/10.18637/jss.v008.i14
117		*
118		* This is a very fast PRNG so there is no need to extract bytes one at a
119		* time and use the entire value each time.
120		*/
121	0	n = t->seed;
122	0	n ^= n << 13;
123	0	n ^= n >> 17;
124	0	n ^= n << 5;
125	0	t->seed = n;
126
127	0	return n & 0xff;
128	0	}
129
130		static int test_rng_generate(void vtest, unsigned char out, size_t outlen,
131		unsigned int strength, int prediction_resistance,
132		const unsigned char *adin, size_t adin_len)
133	0	{
134	0	PROV_TEST_RNG t = (PROV_TEST_RNG )vtest;
135	0	size_t i;
136
137	0	if (strength > t->strength)
138	0	return 0;
139	0	if (t->generate) {
140	0	for (i = 0; i < outlen; i++)
141	0	out[i] = gen_byte(t);
142	0	} else {
143	0	if (t->entropy_len - t->entropy_pos < outlen)
144	0	return 0;
145
146	0	memcpy(out, t->entropy + t->entropy_pos, outlen);
147	0	t->entropy_pos += outlen;
148	0	}
149	0	return 1;
150	0	}
151
152		static int test_rng_reseed(ossl_unused void *vtest,
153		ossl_unused int prediction_resistance,
154		ossl_unused const unsigned char *ent,
155		ossl_unused size_t ent_len,
156		ossl_unused const unsigned char *adin,
157		ossl_unused size_t adin_len)
158	0	{
159	0	return 1;
160	0	}
161
162		static size_t test_rng_nonce(void vtest, unsigned char out,
163		unsigned int strength, size_t min_noncelen,
164		size_t max_noncelen)
165	0	{
166	0	PROV_TEST_RNG t = (PROV_TEST_RNG )vtest;
167	0	size_t i;
168
169	0	if (strength > t->strength)
170	0	return 0;
171
172	0	if (t->generate) {
173	0	for (i = 0; i < min_noncelen; i++)
174	0	out[i] = gen_byte(t);
175	0	return min_noncelen;
176	0	}
177
178	0	if (t->nonce == NULL)
179	0	return 0;
180	0	i = t->nonce_len > max_noncelen ? max_noncelen : t->nonce_len;
181	0	if (out != NULL)
182	0	memcpy(out, t->nonce, i);
183	0	return i;
184	0	}
185
186		static int test_rng_get_ctx_params(void *vtest, OSSL_PARAM params[])
187	0	{
188	0	PROV_TEST_RNG t = (PROV_TEST_RNG )vtest;
189	0	struct test_rng_get_ctx_params_st p;
190
191	0	if (t == NULL \|\| !test_rng_get_ctx_params_decoder(params, &p))
192	0	return 0;
193
194	0	if (p.state != NULL && !OSSL_PARAM_set_int(p.state, t->state))
195	0	return 0;
196
197	0	if (p.str != NULL && !OSSL_PARAM_set_uint(p.str, t->strength))
198	0	return 0;
199
200	0	if (p.maxreq != NULL && !OSSL_PARAM_set_size_t(p.maxreq, t->max_request))
201	0	return 0;
202
203	0	if (p.gen != NULL && !OSSL_PARAM_set_uint(p.gen, t->generate))
204	0	return 0;
205
206		#ifdef FIPS_MODULE
207		if (p.ind != NULL && !OSSL_PARAM_set_int(p.ind, 0))
208		return 0;
209		#endif /* FIPS_MODULE */
210
211	0	return 1;
212	0	}
213
214		static const OSSL_PARAM test_rng_gettable_ctx_params(ossl_unused void vtest,
215		ossl_unused void *provctx)
216	0	{
217	0	return test_rng_get_ctx_params_list;
218	0	}
219
220		static int test_rng_set_ctx_params(void *vtest, const OSSL_PARAM params[])
221	0	{
222	0	PROV_TEST_RNG t = (PROV_TEST_RNG )vtest;
223	0	struct test_rng_set_ctx_params_st p;
224	0	void *ptr = NULL;
225	0	size_t size = 0;
226
227	0	if (t == NULL \|\| !test_rng_set_ctx_params_decoder(params, &p))
228	0	return 0;
229
230	0	if (p.str != NULL && !OSSL_PARAM_get_uint(p.str, &t->strength))
231	0	return 0;
232
233	0	if (p.ent != NULL) {
234	0	if (!OSSL_PARAM_get_octet_string(p.ent, &ptr, 0, &size))
235	0	return 0;
236	0	OPENSSL_free(t->entropy);
237	0	t->entropy = ptr;
238	0	t->entropy_len = size;
239	0	t->entropy_pos = 0;
240	0	ptr = NULL;
241	0	}
242
243	0	if (p.nonce != NULL) {
244	0	if (!OSSL_PARAM_get_octet_string(p.nonce, &ptr, 0, &size))
245	0	return 0;
246	0	OPENSSL_free(t->nonce);
247	0	t->nonce = ptr;
248	0	t->nonce_len = size;
249	0	}
250
251	0	if (p.maxreq != NULL && !OSSL_PARAM_get_size_t(p.maxreq, &t->max_request))
252	0	return 0;
253
254	0	if (p.gen != NULL && !OSSL_PARAM_get_uint(p.gen, &t->generate))
255	0	return 0;
256	0	return 1;
257	0	}
258
259		static const OSSL_PARAM test_rng_settable_ctx_params(ossl_unused void vtest,
260		ossl_unused void *provctx)
261	0	{
262	0	return test_rng_set_ctx_params_list;
263	0	}
264
265		static int test_rng_verify_zeroization(ossl_unused void *vtest)
266	0	{
267	0	return 1;
268	0	}
269
270		static size_t test_rng_get_seed(void vtest, unsigned char *pout,
271		int entropy, size_t min_len, size_t max_len,
272		ossl_unused int prediction_resistance,
273		ossl_unused const unsigned char *adin,
274		ossl_unused size_t adin_len)
275	0	{
276	0	PROV_TEST_RNG t = (PROV_TEST_RNG )vtest;
277
278	0	*pout = t->entropy;
279	0	return t->entropy_len > max_len ? max_len : t->entropy_len;
280	0	}
281
282		static int test_rng_enable_locking(void *vtest)
283	0	{
284	0	PROV_TEST_RNG t = (PROV_TEST_RNG )vtest;
285
286	0	if (t != NULL && t->lock == NULL) {
287	0	t->lock = CRYPTO_THREAD_lock_new();
288	0	if (t->lock == NULL) {
289	0	ERR_raise(ERR_LIB_PROV, RAND_R_FAILED_TO_CREATE_LOCK);
290	0	return 0;
291	0	}
292	0	}
293	0	return 1;
294	0	}
295
296		static int test_rng_lock(void *vtest)
297	0	{
298	0	PROV_TEST_RNG t = (PROV_TEST_RNG )vtest;
299
300	0	if (t == NULL \|\| t->lock == NULL)
301	0	return 1;
302	0	return CRYPTO_THREAD_write_lock(t->lock);
303	0	}
304
305		static void test_rng_unlock(void *vtest)
306	0	{
307	0	PROV_TEST_RNG t = (PROV_TEST_RNG )vtest;
308
309	0	if (t != NULL && t->lock != NULL)
310	0	CRYPTO_THREAD_unlock(t->lock);
311	0	}
312
313		const OSSL_DISPATCH ossl_test_rng_functions[] = {
314		{ OSSL_FUNC_RAND_NEWCTX, (void(*)(void))test_rng_new },
315		{ OSSL_FUNC_RAND_FREECTX, (void(*)(void))test_rng_free },
316		{ OSSL_FUNC_RAND_INSTANTIATE,
317		(void(*)(void))test_rng_instantiate },
318		{ OSSL_FUNC_RAND_UNINSTANTIATE,
319		(void(*)(void))test_rng_uninstantiate },
320		{ OSSL_FUNC_RAND_GENERATE, (void(*)(void))test_rng_generate },
321		{ OSSL_FUNC_RAND_RESEED, (void(*)(void))test_rng_reseed },
322		{ OSSL_FUNC_RAND_NONCE, (void(*)(void))test_rng_nonce },
323		{ OSSL_FUNC_RAND_ENABLE_LOCKING, (void(*)(void))test_rng_enable_locking },
324		{ OSSL_FUNC_RAND_LOCK, (void(*)(void))test_rng_lock },
325		{ OSSL_FUNC_RAND_UNLOCK, (void(*)(void))test_rng_unlock },
326		{ OSSL_FUNC_RAND_SETTABLE_CTX_PARAMS,
327		(void(*)(void))test_rng_settable_ctx_params },
328		{ OSSL_FUNC_RAND_SET_CTX_PARAMS, (void(*)(void))test_rng_set_ctx_params },
329		{ OSSL_FUNC_RAND_GETTABLE_CTX_PARAMS,
330		(void(*)(void))test_rng_gettable_ctx_params },
331		{ OSSL_FUNC_RAND_GET_CTX_PARAMS, (void(*)(void))test_rng_get_ctx_params },
332		{ OSSL_FUNC_RAND_VERIFY_ZEROIZATION,
333		(void(*)(void))test_rng_verify_zeroization },
334		{ OSSL_FUNC_RAND_GET_SEED, (void(*)(void))test_rng_get_seed },
335		OSSL_DISPATCH_END
336		};