mirror of https://github.com/openssl/openssl
87 lines
2.8 KiB
C
87 lines
2.8 KiB
C
/*
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* Copyright 2021 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 <openssl/evp.h>
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#include <openssl/rand.h>
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#include <openssl/bio.h>
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#include <openssl/core_names.h>
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#include "crypto/rand.h"
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#include "testutil.h"
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static int test_rand(void)
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{
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EVP_RAND_CTX *privctx;
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OSSL_PARAM params[2], *p = params;
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unsigned char entropy1[] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05 };
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unsigned char entropy2[] = { 0xff, 0xfe, 0xfd };
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unsigned char outbuf[3];
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*p++ = OSSL_PARAM_construct_octet_string(OSSL_RAND_PARAM_TEST_ENTROPY,
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entropy1, sizeof(entropy1));
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*p = OSSL_PARAM_construct_end();
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if (!TEST_ptr(privctx = RAND_get0_private(NULL))
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|| !TEST_true(EVP_RAND_CTX_set_params(privctx, params))
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|| !TEST_int_gt(RAND_priv_bytes(outbuf, sizeof(outbuf)), 0)
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|| !TEST_mem_eq(outbuf, sizeof(outbuf), entropy1, sizeof(outbuf))
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|| !TEST_int_le(RAND_priv_bytes(outbuf, sizeof(outbuf) + 1), 0)
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|| !TEST_int_gt(RAND_priv_bytes(outbuf, sizeof(outbuf)), 0)
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|| !TEST_mem_eq(outbuf, sizeof(outbuf),
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entropy1 + sizeof(outbuf), sizeof(outbuf)))
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return 0;
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*params = OSSL_PARAM_construct_octet_string(OSSL_RAND_PARAM_TEST_ENTROPY,
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entropy2, sizeof(entropy2));
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if (!TEST_true(EVP_RAND_CTX_set_params(privctx, params))
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|| !TEST_int_gt(RAND_priv_bytes(outbuf, sizeof(outbuf)), 0)
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|| !TEST_mem_eq(outbuf, sizeof(outbuf), entropy2, sizeof(outbuf)))
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return 0;
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return 1;
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}
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static int test_rand_uniform(void)
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{
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uint32_t x, i, j;
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int err = 0, res = 0;
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OSSL_LIB_CTX *ctx;
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if (!test_get_libctx(&ctx, NULL, NULL, NULL, NULL))
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goto err;
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for (i = 1; i < 100; i += 13) {
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x = ossl_rand_uniform_uint32(ctx, i, &err);
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if (!TEST_int_eq(err, 0)
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|| !TEST_uint_ge(x, 0)
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|| !TEST_uint_lt(x, i))
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return 0;
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}
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for (i = 1; i < 100; i += 17)
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for (j = i + 1; j < 150; j += 11) {
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x = ossl_rand_range_uint32(ctx, i, j, &err);
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if (!TEST_int_eq(err, 0)
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|| !TEST_uint_ge(x, i)
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|| !TEST_uint_lt(x, j))
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return 0;
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}
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res = 1;
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err:
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OSSL_LIB_CTX_free(ctx);
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return res;
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}
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int setup_tests(void)
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{
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if (!TEST_true(RAND_set_DRBG_type(NULL, "TEST-RAND", NULL, NULL, NULL)))
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return 0;
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ADD_TEST(test_rand);
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ADD_TEST(test_rand_uniform);
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return 1;
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}
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