mirror of https://github.com/openssl/openssl.git
93 lines
2.4 KiB
C
93 lines
2.4 KiB
C
/*
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* Copyright 2020 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the Apache License 2.0 (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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#include <string.h>
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#include "internal/nelem.h"
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#include <openssl/crypto.h>
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#include <openssl/err.h>
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#include <openssl/rand.h>
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#include <openssl/obj_mac.h>
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#include <openssl/evp.h>
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#include <openssl/aes.h>
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#include "../crypto/rand/rand_local.h"
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#include "testutil.h"
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#include "drbg_extra_test.h"
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static unsigned char zerobuff[32];
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static size_t kat_entropy(RAND_DRBG *drbg, unsigned char **pout,
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int entropy, size_t min_len, size_t max_len,
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int prediction_resistance)
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{
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*pout = zerobuff;
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return sizeof(zerobuff);
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}
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static size_t kat_nonce(RAND_DRBG *drbg, unsigned char **pout,
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int entropy, size_t min_len, size_t max_len)
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{
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*pout = zerobuff;
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return sizeof(zerobuff);
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}
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static int run_extra_kat(const struct drbg_extra_kat *td)
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{
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unsigned long long i;
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RAND_DRBG *drbg = NULL;
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unsigned char buff[BUFFSIZE];
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unsigned int flags = 0;
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int failures = 0;
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if (!TEST_ptr(drbg = RAND_DRBG_new(td->nid, flags, NULL)))
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return 0;
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/* Set deterministic entropy callback. */
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if (!TEST_true(RAND_DRBG_set_callbacks(drbg, kat_entropy, NULL,
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kat_nonce, NULL))) {
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failures++;
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goto err;
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}
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/* Set fixed reseed intervall. */
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if (!TEST_true(RAND_DRBG_set_reseed_interval(drbg, RESEEDINTERVAL))) {
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failures++;
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goto err;
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}
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if (!TEST_true(RAND_DRBG_instantiate(drbg, NULL, 0)))
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failures++;
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for (i = 0; i < td->ngen; i++) {
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if(!TEST_true(RAND_DRBG_generate(drbg, buff, sizeof(buff), 0, NULL,
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0)))
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failures++;
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}
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if (!TEST_true(RAND_DRBG_uninstantiate(drbg))
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|| !TEST_mem_eq(td->expected, sizeof(buff), buff, sizeof(buff)))
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failures++;
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err:
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RAND_DRBG_uninstantiate(drbg);
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RAND_DRBG_free(drbg);
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return failures == 0;
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}
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static int test_extra_kats(int i)
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{
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return run_extra_kat(drbg_extra_test[i]);
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}
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int setup_tests(void)
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{
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ADD_ALL_TESTS(test_extra_kats, OSSL_NELEM(drbg_extra_test));
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return 1;
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}
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