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Add test case for uniform random generators 

Reviewed-by: Tom Cosgrove <tom.cosgrove@arm.com>
Reviewed-by: Matthias St. Pierre <Matthias.St.Pierre@ncp-e.com>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/22499)
This commit is contained in:
Pauli 2023-10-28 20:49:08 +11:00 committed by Tomas Mraz
parent 55755fbf42
commit d05e0e40d7
2 changed files with 34 additions and 1 deletions
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2
test/build.info
View File

@ -103,7 +103,7 @@ IF[{- !$disabled{tests} -}]
SOURCE[rand_test]=rand_test.c
INCLUDE[rand_test]=../include ../apps/include
DEPEND[rand_test]=../libcrypto libtestutil.a
DEPEND[rand_test]=../libcrypto.a libtestutil.a
SOURCE[rsa_complex]=rsa_complex.c
INCLUDE[rsa_complex]=../include ../apps/include

33
test/rand_test.c
View File

@ -11,6 +11,7 @@
#include <openssl/rand.h>
#include <openssl/bio.h>
#include <openssl/core_names.h>
#include "crypto/rand.h"
#include "testutil.h"
static int test_rand(void)
@ -44,10 +45,42 @@ static int test_rand(void)
return 1;
}
static int test_rand_uniform(void)
{
uint32_t x, i, j;
int err = 0, res = 0;
OSSL_LIB_CTX *ctx;
if (!test_get_libctx(&ctx, NULL, NULL, NULL, NULL))
goto err;
for (i = 1; i < 100; i += 13) {
x = ossl_rand_uniform_uint32(ctx, i, &err);
if (!TEST_int_eq(err, 0)
|| !TEST_uint_ge(x, 0)
|| !TEST_uint_lt(x, i))
return 0;
}
for (i = 1; i < 100; i += 17)
for (j = i + 1; j < 150; j += 11) {
x = ossl_rand_range_uint32(ctx, i, j, &err);
if (!TEST_int_eq(err, 0)
|| !TEST_uint_ge(x, i)
|| !TEST_uint_lt(x, j))
return 0;
}
res = 1;
err:
OSSL_LIB_CTX_free(ctx);
return res;
}
int setup_tests(void)
{
if (!TEST_true(RAND_set_DRBG_type(NULL, "TEST-RAND", NULL, NULL, NULL)))
return 0;
ADD_TEST(test_rand);
ADD_TEST(test_rand_uniform);
return 1;
}