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authorWilliam Joye <wjoye@cfa.harvard.edu>2017-05-02 16:41:35 (GMT)
committerWilliam Joye <wjoye@cfa.harvard.edu>2017-05-02 16:41:35 (GMT)
commit3d328008deedc58cd7a11c79063cefa7d662d4fc (patch)
treecb41a048885ce7b493f406360cf5f6edf689c468 /openssl/crypto/rand/randtest.c
parent0a2b8b8e0bc2e91a9f10659b30e2e4f5b79ce692 (diff)
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Diffstat (limited to 'openssl/crypto/rand/randtest.c')
-rw-r--r--openssl/crypto/rand/randtest.c209
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diff --git a/openssl/crypto/rand/randtest.c b/openssl/crypto/rand/randtest.c
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+/* crypto/rand/randtest.c */
+/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
+ * All rights reserved.
+ *
+ * This package is an SSL implementation written
+ * by Eric Young (eay@cryptsoft.com).
+ * The implementation was written so as to conform with Netscapes SSL.
+ *
+ * This library is free for commercial and non-commercial use as long as
+ * the following conditions are aheared to. The following conditions
+ * apply to all code found in this distribution, be it the RC4, RSA,
+ * lhash, DES, etc., code; not just the SSL code. The SSL documentation
+ * included with this distribution is covered by the same copyright terms
+ * except that the holder is Tim Hudson (tjh@cryptsoft.com).
+ *
+ * Copyright remains Eric Young's, and as such any Copyright notices in
+ * the code are not to be removed.
+ * If this package is used in a product, Eric Young should be given attribution
+ * as the author of the parts of the library used.
+ * This can be in the form of a textual message at program startup or
+ * in documentation (online or textual) provided with the package.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * "This product includes cryptographic software written by
+ * Eric Young (eay@cryptsoft.com)"
+ * The word 'cryptographic' can be left out if the rouines from the library
+ * being used are not cryptographic related :-).
+ * 4. If you include any Windows specific code (or a derivative thereof) from
+ * the apps directory (application code) you must include an acknowledgement:
+ * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * The licence and distribution terms for any publically available version or
+ * derivative of this code cannot be changed. i.e. this code cannot simply be
+ * copied and put under another distribution licence
+ * [including the GNU Public Licence.]
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <openssl/rand.h>
+
+#include "../e_os.h"
+
+/* some FIPS 140-1 random number test */
+/* some simple tests */
+
+int main(int argc, char **argv)
+{
+ unsigned char buf[2500];
+ int i, j, k, s, sign, nsign, err = 0;
+ unsigned long n1;
+ unsigned long n2[16];
+ unsigned long runs[2][34];
+ /*
+ * double d;
+ */
+ long d;
+
+ i = RAND_pseudo_bytes(buf, 2500);
+ if (i < 0) {
+ printf("init failed, the rand method is not properly installed\n");
+ err++;
+ goto err;
+ }
+
+ n1 = 0;
+ for (i = 0; i < 16; i++)
+ n2[i] = 0;
+ for (i = 0; i < 34; i++)
+ runs[0][i] = runs[1][i] = 0;
+
+ /* test 1 and 2 */
+ sign = 0;
+ nsign = 0;
+ for (i = 0; i < 2500; i++) {
+ j = buf[i];
+
+ n2[j & 0x0f]++;
+ n2[(j >> 4) & 0x0f]++;
+
+ for (k = 0; k < 8; k++) {
+ s = (j & 0x01);
+ if (s == sign)
+ nsign++;
+ else {
+ if (nsign > 34)
+ nsign = 34;
+ if (nsign != 0) {
+ runs[sign][nsign - 1]++;
+ if (nsign > 6)
+ runs[sign][5]++;
+ }
+ sign = s;
+ nsign = 1;
+ }
+
+ if (s)
+ n1++;
+ j >>= 1;
+ }
+ }
+ if (nsign > 34)
+ nsign = 34;
+ if (nsign != 0)
+ runs[sign][nsign - 1]++;
+
+ /* test 1 */
+ if (!((9654 < n1) && (n1 < 10346))) {
+ printf("test 1 failed, X=%lu\n", n1);
+ err++;
+ }
+ printf("test 1 done\n");
+
+ /* test 2 */
+#ifdef undef
+ d = 0;
+ for (i = 0; i < 16; i++)
+ d += n2[i] * n2[i];
+ d = d * 16.0 / 5000.0 - 5000.0;
+ if (!((1.03 < d) && (d < 57.4))) {
+ printf("test 2 failed, X=%.2f\n", d);
+ err++;
+ }
+#endif
+ d = 0;
+ for (i = 0; i < 16; i++)
+ d += n2[i] * n2[i];
+ d = (d * 8) / 25 - 500000;
+ if (!((103 < d) && (d < 5740))) {
+ printf("test 2 failed, X=%ld.%02ld\n", d / 100L, d % 100L);
+ err++;
+ }
+ printf("test 2 done\n");
+
+ /* test 3 */
+ for (i = 0; i < 2; i++) {
+ if (!((2267 < runs[i][0]) && (runs[i][0] < 2733))) {
+ printf("test 3 failed, bit=%d run=%d num=%lu\n",
+ i, 1, runs[i][0]);
+ err++;
+ }
+ if (!((1079 < runs[i][1]) && (runs[i][1] < 1421))) {
+ printf("test 3 failed, bit=%d run=%d num=%lu\n",
+ i, 2, runs[i][1]);
+ err++;
+ }
+ if (!((502 < runs[i][2]) && (runs[i][2] < 748))) {
+ printf("test 3 failed, bit=%d run=%d num=%lu\n",
+ i, 3, runs[i][2]);
+ err++;
+ }
+ if (!((223 < runs[i][3]) && (runs[i][3] < 402))) {
+ printf("test 3 failed, bit=%d run=%d num=%lu\n",
+ i, 4, runs[i][3]);
+ err++;
+ }
+ if (!((90 < runs[i][4]) && (runs[i][4] < 223))) {
+ printf("test 3 failed, bit=%d run=%d num=%lu\n",
+ i, 5, runs[i][4]);
+ err++;
+ }
+ if (!((90 < runs[i][5]) && (runs[i][5] < 223))) {
+ printf("test 3 failed, bit=%d run=%d num=%lu\n",
+ i, 6, runs[i][5]);
+ err++;
+ }
+ }
+ printf("test 3 done\n");
+
+ /* test 4 */
+ if (runs[0][33] != 0) {
+ printf("test 4 failed, bit=%d run=%d num=%lu\n", 0, 34, runs[0][33]);
+ err++;
+ }
+ if (runs[1][33] != 0) {
+ printf("test 4 failed, bit=%d run=%d num=%lu\n", 1, 34, runs[1][33]);
+ err++;
+ }
+ printf("test 4 done\n");
+ err:
+ err = ((err) ? 1 : 0);
+#ifdef OPENSSL_SYS_NETWARE
+ if (err)
+ printf("ERROR: %d\n", err);
+#endif
+ EXIT(err);
+ return (err);
+}