-/* crypto/dh/dhtest.c */
-/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
- * All rights reserved.
+/*
+ * Copyright 1995-2017 The OpenSSL Project Authors. 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.]
+ * Licensed under the OpenSSL license (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 <stdio.h>
#include <stdlib.h>
#include <string.h>
-#include "../e_os.h"
-
+#include "internal/nelem.h"
#include <openssl/crypto.h>
#include <openssl/bio.h>
#include <openssl/bn.h>
#include <openssl/rand.h>
#include <openssl/err.h>
+#include "testutil.h"
-#ifdef OPENSSL_NO_DH
-int main(int argc, char *argv[])
-{
- printf("No DH support\n");
- return (0);
-}
-#else
+#ifndef OPENSSL_NO_DH
# include <openssl/dh.h>
static int cb(int p, int n, BN_GENCB *arg);
-static const char rnd_seed[] =
- "string to make the random number generator think it has entropy";
-
-static int run_rfc5114_tests(void);
-
-int main(int argc, char *argv[])
+static int dh_test(void)
{
- BN_GENCB *_cb;
+ BN_GENCB *_cb = NULL;
DH *a = NULL;
DH *b = NULL;
- char buf[12];
- unsigned char *abuf = NULL, *bbuf = NULL;
- int i, alen, blen, aout, bout, ret = 1;
- BIO *out;
-
- CRYPTO_malloc_debug_init();
- CRYPTO_dbg_set_options(V_CRYPTO_MDEBUG_ALL);
- CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
-
-# ifdef OPENSSL_SYS_WIN32
- CRYPTO_malloc_init();
-# endif
-
- RAND_seed(rnd_seed, sizeof rnd_seed);
-
- out = BIO_new(BIO_s_file());
- if (out == NULL)
- EXIT(1);
- BIO_set_fp(out, stdout, BIO_NOCLOSE | BIO_FP_TEXT);
-
- _cb = BN_GENCB_new();
- if (!_cb)
+ DH *c = NULL;
+ const BIGNUM *ap = NULL, *ag = NULL, *apub_key = NULL;
+ const BIGNUM *bpub_key = NULL, *bpriv_key = NULL;
+ BIGNUM *bp = NULL, *bg = NULL, *cpriv_key = NULL;
+ unsigned char *abuf = NULL;
+ unsigned char *bbuf = NULL;
+ unsigned char *cbuf = NULL;
+ int i, alen, blen, clen, aout, bout, cout;
+ int ret = 0;
+
+ if (!TEST_ptr(_cb = BN_GENCB_new()))
goto err;
- BN_GENCB_set(_cb, &cb, out);
- if (((a = DH_new()) == NULL) || !DH_generate_parameters_ex(a, 64,
- DH_GENERATOR_5,
- _cb))
+ BN_GENCB_set(_cb, &cb, NULL);
+ if (!TEST_ptr(a = DH_new())
+ || !TEST_true(DH_generate_parameters_ex(a, 64,
+ DH_GENERATOR_5, _cb)))
goto err;
if (!DH_check(a, &i))
goto err;
- if (i & DH_CHECK_P_NOT_PRIME)
- BIO_puts(out, "p value is not prime\n");
- if (i & DH_CHECK_P_NOT_SAFE_PRIME)
- BIO_puts(out, "p value is not a safe prime\n");
- if (i & DH_UNABLE_TO_CHECK_GENERATOR)
- BIO_puts(out, "unable to check the generator value\n");
- if (i & DH_NOT_SUITABLE_GENERATOR)
- BIO_puts(out, "the g value is not a generator\n");
-
- BIO_puts(out, "\np =");
- BN_print(out, a->p);
- BIO_puts(out, "\ng =");
- BN_print(out, a->g);
- BIO_puts(out, "\n");
-
- b = DH_new();
- if (b == NULL)
+ if (!TEST_false(i & DH_CHECK_P_NOT_PRIME)
+ || !TEST_false(i & DH_CHECK_P_NOT_SAFE_PRIME)
+ || !TEST_false(i & DH_UNABLE_TO_CHECK_GENERATOR)
+ || !TEST_false(i & DH_NOT_SUITABLE_GENERATOR))
goto err;
- b->p = BN_dup(a->p);
- b->g = BN_dup(a->g);
- if ((b->p == NULL) || (b->g == NULL))
+ DH_get0_pqg(a, &ap, NULL, &ag);
+
+ if (!TEST_ptr(b = DH_new()))
goto err;
- /* Set a to run with normal modexp and b to use constant time */
- a->flags &= ~DH_FLAG_NO_EXP_CONSTTIME;
- b->flags |= DH_FLAG_NO_EXP_CONSTTIME;
+ if (!TEST_ptr(bp = BN_dup(ap))
+ || !TEST_ptr(bg = BN_dup(ag))
+ || !TEST_true(DH_set0_pqg(b, bp, NULL, bg)))
+ goto err;
+ bp = bg = NULL;
if (!DH_generate_key(a))
goto err;
- BIO_puts(out, "pri 1=");
- BN_print(out, a->priv_key);
- BIO_puts(out, "\npub 1=");
- BN_print(out, a->pub_key);
- BIO_puts(out, "\n");
+ DH_get0_key(a, &apub_key, NULL);
if (!DH_generate_key(b))
goto err;
- BIO_puts(out, "pri 2=");
- BN_print(out, b->priv_key);
- BIO_puts(out, "\npub 2=");
- BN_print(out, b->pub_key);
- BIO_puts(out, "\n");
+ DH_get0_key(b, &bpub_key, &bpriv_key);
- alen = DH_size(a);
- abuf = OPENSSL_malloc(alen);
- aout = DH_compute_key(abuf, b->pub_key, a);
+ /* Also test with a private-key-only copy of |b|. */
+ if (!TEST_ptr(c = DHparams_dup(b))
+ || !TEST_ptr(cpriv_key = BN_dup(bpriv_key))
+ || !TEST_true(DH_set0_key(c, NULL, cpriv_key)))
+ goto err;
+ cpriv_key = NULL;
- BIO_puts(out, "key1 =");
- for (i = 0; i < aout; i++) {
- sprintf(buf, "%02X", abuf[i]);
- BIO_puts(out, buf);
- }
- BIO_puts(out, "\n");
+ alen = DH_size(a);
+ if (!TEST_ptr(abuf = OPENSSL_malloc(alen))
+ || !TEST_true((aout = DH_compute_key(abuf, bpub_key, a)) != -1))
+ goto err;
blen = DH_size(b);
- bbuf = OPENSSL_malloc(blen);
- bout = DH_compute_key(bbuf, a->pub_key, b);
+ if (!TEST_ptr(bbuf = OPENSSL_malloc(blen))
+ || !TEST_true((bout = DH_compute_key(bbuf, apub_key, b)) != -1))
+ goto err;
- BIO_puts(out, "key2 =");
- for (i = 0; i < bout; i++) {
- sprintf(buf, "%02X", bbuf[i]);
- BIO_puts(out, buf);
- }
- BIO_puts(out, "\n");
- if ((aout < 4) || (bout != aout) || (memcmp(abuf, bbuf, aout) != 0)) {
- fprintf(stderr, "Error in DH routines\n");
- ret = 1;
- } else
- ret = 0;
- if (!run_rfc5114_tests())
- ret = 1;
- err:
- ERR_print_errors_fp(stderr);
+ clen = DH_size(c);
+ if (!TEST_ptr(cbuf = OPENSSL_malloc(clen))
+ || !TEST_true((cout = DH_compute_key(cbuf, apub_key, c)) != -1))
+ goto err;
+ if (!TEST_true(aout >= 4)
+ || !TEST_mem_eq(abuf, aout, bbuf, bout)
+ || !TEST_mem_eq(abuf, aout, cbuf, cout))
+ goto err;
+
+ ret = 1;
+
+ err:
OPENSSL_free(abuf);
OPENSSL_free(bbuf);
+ OPENSSL_free(cbuf);
DH_free(b);
DH_free(a);
+ DH_free(c);
+ BN_free(bp);
+ BN_free(bg);
+ BN_free(cpriv_key);
BN_GENCB_free(_cb);
- BIO_free(out);
-# ifdef OPENSSL_SYS_NETWARE
- if (ret)
- printf("ERROR: %d\n", ret);
-# endif
- EXIT(ret);
+ return ret;
}
static int cb(int p, int n, BN_GENCB *arg)
{
- char c = '*';
-
- if (p == 0)
- c = '.';
- if (p == 1)
- c = '+';
- if (p == 2)
- c = '*';
- if (p == 3)
- c = '\n';
- BIO_write(BN_GENCB_get_arg(arg), &c, 1);
- (void)BIO_flush(BN_GENCB_get_arg(arg));
return 1;
}
0xC2, 0x6C, 0x5D, 0x7C
};
+static const unsigned char dhtest_rfc5114_2048_224_bad_y[] = {
+ 0x45, 0x32, 0x5F, 0x51, 0x07, 0xE5, 0xDF, 0x1C, 0xD6, 0x02, 0x82, 0xB3,
+ 0x32, 0x8F, 0xA4, 0x0F, 0x87, 0xB8, 0x41, 0xFE, 0xB9, 0x35, 0xDE, 0xAD,
+ 0xC6, 0x26, 0x85, 0xB4, 0xFF, 0x94, 0x8C, 0x12, 0x4C, 0xBF, 0x5B, 0x20,
+ 0xC4, 0x46, 0xA3, 0x26, 0xEB, 0xA4, 0x25, 0xB7, 0x68, 0x8E, 0xCC, 0x67,
+ 0xBA, 0xEA, 0x58, 0xD0, 0xF2, 0xE9, 0xD2, 0x24, 0x72, 0x60, 0xDA, 0x88,
+ 0x18, 0x9C, 0xE0, 0x31, 0x6A, 0xAD, 0x50, 0x6D, 0x94, 0x35, 0x8B, 0x83,
+ 0x4A, 0x6E, 0xFA, 0x48, 0x73, 0x0F, 0x83, 0x87, 0xFF, 0x6B, 0x66, 0x1F,
+ 0xA8, 0x82, 0xC6, 0x01, 0xE5, 0x80, 0xB5, 0xB0, 0x52, 0xD0, 0xE9, 0xD8,
+ 0x72, 0xF9, 0x7D, 0x5B, 0x8B, 0xA5, 0x4C, 0xA5, 0x25, 0x95, 0x74, 0xE2,
+ 0x7A, 0x61, 0x4E, 0xA7, 0x8F, 0x12, 0xE2, 0xD2, 0x9D, 0x8C, 0x02, 0x70,
+ 0x34, 0x44, 0x32, 0xC7, 0xB2, 0xF3, 0xB9, 0xFE, 0x17, 0x2B, 0xD6, 0x1F,
+ 0x8B, 0x7E, 0x4A, 0xFA, 0xA3, 0xB5, 0x3E, 0x7A, 0x81, 0x9A, 0x33, 0x66,
+ 0x62, 0xA4, 0x50, 0x18, 0x3E, 0xA2, 0x5F, 0x00, 0x07, 0xD8, 0x9B, 0x22,
+ 0xE4, 0xEC, 0x84, 0xD5, 0xEB, 0x5A, 0xF3, 0x2A, 0x31, 0x23, 0xD8, 0x44,
+ 0x22, 0x2A, 0x8B, 0x37, 0x44, 0xCC, 0xC6, 0x87, 0x4B, 0xBE, 0x50, 0x9D,
+ 0x4A, 0xC4, 0x8E, 0x45, 0xCF, 0x72, 0x4D, 0xC0, 0x89, 0xB3, 0x72, 0xED,
+ 0x33, 0x2C, 0xBC, 0x7F, 0x16, 0x39, 0x3B, 0xEB, 0xD2, 0xDD, 0xA8, 0x01,
+ 0x73, 0x84, 0x62, 0xB9, 0x29, 0xD2, 0xC9, 0x51, 0x32, 0x9E, 0x7A, 0x6A,
+ 0xCF, 0xC1, 0x0A, 0xDB, 0x0E, 0xE0, 0x62, 0x77, 0x6F, 0x59, 0x62, 0x72,
+ 0x5A, 0x69, 0xA6, 0x5B, 0x70, 0xCA, 0x65, 0xC4, 0x95, 0x6F, 0x9A, 0xC2,
+ 0xDF, 0x72, 0x6D, 0xB1, 0x1E, 0x54, 0x7B, 0x51, 0xB4, 0xEF, 0x7F, 0x89,
+ 0x93, 0x74, 0x89, 0x59
+};
+
typedef struct {
DH *(*get_param) (void);
const unsigned char *xA;
make_rfc5114_td(2048_256)
};
-static int run_rfc5114_tests(void)
+static int rfc5114_test(void)
{
int i;
+ DH *dhA = NULL;
+ DH *dhB = NULL;
+ unsigned char *Z1 = NULL;
+ unsigned char *Z2 = NULL;
+ const rfc5114_td *td = NULL;
+ BIGNUM *bady = NULL, *priv_key = NULL, *pub_key = NULL;
+ const BIGNUM *pub_key_tmp;
+
for (i = 0; i < (int)OSSL_NELEM(rfctd); i++) {
- DH *dhA, *dhB;
- unsigned char *Z1 = NULL, *Z2 = NULL;
- const rfc5114_td *td = rfctd + i;
+ td = rfctd + i;
/* Set up DH structures setting key components */
- dhA = td->get_param();
- dhB = td->get_param();
- if (!dhA || !dhB)
+ if (!TEST_ptr(dhA = td->get_param())
+ || !TEST_ptr(dhB = td->get_param()))
goto bad_err;
- dhA->priv_key = BN_bin2bn(td->xA, td->xA_len, NULL);
- dhA->pub_key = BN_bin2bn(td->yA, td->yA_len, NULL);
-
- dhB->priv_key = BN_bin2bn(td->xB, td->xB_len, NULL);
- dhB->pub_key = BN_bin2bn(td->yB, td->yB_len, NULL);
+ if (!TEST_ptr(priv_key = BN_bin2bn(td->xA, td->xA_len, NULL))
+ || !TEST_ptr(pub_key = BN_bin2bn(td->yA, td->yA_len, NULL))
+ || !TEST_true(DH_set0_key(dhA, pub_key, priv_key)))
+ goto bad_err;
- if (!dhA->priv_key || !dhA->pub_key
- || !dhB->priv_key || !dhB->pub_key)
+ if (!TEST_ptr(priv_key = BN_bin2bn(td->xB, td->xB_len, NULL))
+ || !TEST_ptr(pub_key = BN_bin2bn(td->yB, td->yB_len, NULL))
+ || !TEST_true( DH_set0_key(dhB, pub_key, priv_key)))
goto bad_err;
+ priv_key = pub_key = NULL;
- if ((td->Z_len != (size_t)DH_size(dhA))
- || (td->Z_len != (size_t)DH_size(dhB)))
+ if (!TEST_uint_eq(td->Z_len, (size_t)DH_size(dhA))
+ || !TEST_uint_eq(td->Z_len, (size_t)DH_size(dhB)))
goto err;
- Z1 = OPENSSL_malloc(DH_size(dhA));
- Z2 = OPENSSL_malloc(DH_size(dhB));
+ if (!TEST_ptr(Z1 = OPENSSL_malloc(DH_size(dhA)))
+ || !TEST_ptr(Z2 = OPENSSL_malloc(DH_size(dhB))))
+ goto bad_err;
/*
* Work out shared secrets using both sides and compare with expected
* values.
*/
- if (!DH_compute_key(Z1, dhB->pub_key, dhA))
+ DH_get0_key(dhB, &pub_key_tmp, NULL);
+ if (!TEST_int_ne(DH_compute_key(Z1, pub_key_tmp, dhA), -1))
goto bad_err;
- if (!DH_compute_key(Z2, dhA->pub_key, dhB))
+
+ DH_get0_key(dhA, &pub_key_tmp, NULL);
+ if (!TEST_int_ne(DH_compute_key(Z2, pub_key_tmp, dhB), -1))
goto bad_err;
- if (memcmp(Z1, td->Z, td->Z_len))
- goto err;
- if (memcmp(Z2, td->Z, td->Z_len))
+ if (!TEST_mem_eq(Z1, td->Z_len, td->Z, td->Z_len)
+ || !TEST_mem_eq(Z2, td->Z_len, td->Z, td->Z_len))
goto err;
- printf("RFC5114 parameter test %d OK\n", i + 1);
-
DH_free(dhA);
+ dhA = NULL;
DH_free(dhB);
+ dhB = NULL;
OPENSSL_free(Z1);
+ Z1 = NULL;
OPENSSL_free(Z2);
+ Z2 = NULL;
+ }
+
+ /* Now i == OSSL_NELEM(rfctd) */
+ /* RFC5114 uses unsafe primes, so now test an invalid y value */
+ if (!TEST_ptr(dhA = DH_get_2048_224())
+ || !TEST_ptr(Z1 = OPENSSL_malloc(DH_size(dhA))))
+ goto bad_err;
+ if (!TEST_ptr(bady = BN_bin2bn(dhtest_rfc5114_2048_224_bad_y,
+ sizeof(dhtest_rfc5114_2048_224_bad_y),
+ NULL)))
+ goto bad_err;
+
+ if (!DH_generate_key(dhA))
+ goto bad_err;
+
+ if (DH_compute_key(Z1, bady, dhA) != -1) {
+ /*
+ * DH_compute_key should fail with -1. If we get here we unexpectedly
+ * allowed an invalid y value
+ */
+ goto err;
}
+ /* We'll have a stale error on the queue from the above test so clear it */
+ ERR_clear_error();
+ BN_free(bady);
+ DH_free(dhA);
+ OPENSSL_free(Z1);
return 1;
+
bad_err:
- fprintf(stderr, "Initalisation error RFC5114 set %d\n", i + 1);
- ERR_print_errors_fp(stderr);
+ BN_free(bady);
+ DH_free(dhA);
+ DH_free(dhB);
+ BN_free(pub_key);
+ BN_free(priv_key);
+ OPENSSL_free(Z1);
+ OPENSSL_free(Z2);
+ TEST_error("Initialisation error RFC5114 set %d\n", i + 1);
return 0;
+
err:
- fprintf(stderr, "Test failed RFC5114 set %d\n", i + 1);
+ BN_free(bady);
+ DH_free(dhA);
+ DH_free(dhB);
+ OPENSSL_free(Z1);
+ OPENSSL_free(Z2);
+ TEST_error("Test failed RFC5114 set %d\n", i + 1);
return 0;
}
+#endif
+
+int setup_tests(void)
+{
+#ifdef OPENSSL_NO_DH
+ TEST_note("No DH support");
+#else
+ ADD_TEST(dh_test);
+ ADD_TEST(rfc5114_test);
#endif
+ return 1;
+}