41 lines
1.3 KiB
C
41 lines
1.3 KiB
C
/* Copyright (c) (2015,2019) Apple Inc. All rights reserved.
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*
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* corecrypto is licensed under Apple Inc.’s Internal Use License Agreement (which
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* is contained in the License.txt file distributed with corecrypto) and only to
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* people who accept that license. IMPORTANT: Any license rights granted to you by
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* Apple Inc. (if any) are limited to internal use within your organization only on
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* devices and computers you own or control, for the sole purpose of verifying the
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* security characteristics and correct functioning of the Apple Software. You may
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* not, directly or indirectly, redistribute the Apple Software or any portions thereof.
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*/
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#include <limits.h>
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#include <corecrypto/cc.h>
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#include <corecrypto/ccn.h>
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#include <corecrypto/ccrng.h>
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#include "testmore.h"
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// almost equivalent of c rand() stdlib function
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unsigned int cc_rand(unsigned max)
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{
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struct ccrng_state *rng = global_test_rng;
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unsigned int result;
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int rng_status;
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unsigned int r;
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rng_status=ccrng_generate(rng, sizeof(r),&r);
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cc_assert(rng_status==0);
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(void)rng_status;
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result=(unsigned int)(((double)r/UINT_MAX)*max);
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cc_assert(result<=max);
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return result;
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}
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cc_unit cc_rand_unit(void)
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{
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struct ccrng_state *rng = global_test_rng;
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cc_unit r;
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ccrng_generate(rng, sizeof(r), &r);
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return r;
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}
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