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/*
* Copyright 2021 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 <openssl/evp.h>
#include <openssl/rand.h>
#include <openssl/bio.h>
#include <openssl/core_names.h>
#include "testutil.h"
static int test_rand(void)
{
EVP_RAND_CTX *privctx;
OSSL_PARAM params[2], *p = params;
unsigned char entropy1[] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05 };
unsigned char entropy2[] = { 0xff, 0xfe, 0xfd };
unsigned char outbuf[3];
*p++ = OSSL_PARAM_construct_octet_string(OSSL_RAND_PARAM_TEST_ENTROPY,
entropy1, sizeof(entropy1));
*p = OSSL_PARAM_construct_end();
if (!TEST_ptr(privctx = RAND_get0_private(NULL))
|| !TEST_true(EVP_RAND_CTX_set_params(privctx, params))
|| !TEST_int_gt(RAND_priv_bytes(outbuf, sizeof(outbuf)), 0)
|| !TEST_mem_eq(outbuf, sizeof(outbuf), entropy1, sizeof(outbuf))
|| !TEST_int_le(RAND_priv_bytes(outbuf, sizeof(outbuf) + 1), 0)
|| !TEST_int_gt(RAND_priv_bytes(outbuf, sizeof(outbuf)), 0)
|| !TEST_mem_eq(outbuf, sizeof(outbuf),
entropy1 + sizeof(outbuf), sizeof(outbuf)))
return 0;
*params = OSSL_PARAM_construct_octet_string(OSSL_RAND_PARAM_TEST_ENTROPY,
entropy2, sizeof(entropy2));
if (!TEST_true(EVP_RAND_CTX_set_params(privctx, params))
|| !TEST_int_gt(RAND_priv_bytes(outbuf, sizeof(outbuf)), 0)
|| !TEST_mem_eq(outbuf, sizeof(outbuf), entropy2, sizeof(outbuf)))
return 0;
return 1;
}
int setup_tests(void)
{
if (!TEST_true(RAND_set_DRBG_type(NULL, "TEST-RAND", NULL, NULL, NULL)))
return 0;
ADD_TEST(test_rand);
return 1;
}
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