/*
- * Copyright 1995-2017 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the OpenSSL license (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
#include <string.h>
#include <ctype.h>
-#include "e_os.h"
-#include <internal/numbers.h>
#include <openssl/bn.h>
#include <openssl/crypto.h>
#include <openssl/err.h>
#include <openssl/rand.h>
+#include "internal/nelem.h"
+#include "internal/numbers.h"
#include "testutil.h"
-/*
- * In bn_lcl.h, bn_expand() is defined as a static ossl_inline function.
- * This is fine in itself, it will end up as an unused static function in
- * the worst case. However, it references bn_expand2(), which is a private
- * function in libcrypto and therefore unavailable on some systems. This
- * may result in a linker error because of unresolved symbols.
- *
- * To avoid this, we define a dummy variant of bn_expand2() here, and to
- * avoid possible clashes with libcrypto, we rename it first, using a macro.
- */
-#define bn_expand2 dummy_bn_expand2
-BIGNUM *bn_expand2(BIGNUM *b, int words);
-BIGNUM *bn_expand2(BIGNUM *b, int words) { return NULL; }
-#include "../crypto/bn/bn_lcl.h"
+#ifdef OPENSSL_SYS_WINDOWS
+# define strcasecmp _stricmp
+#endif
/*
* Things in boring, not in openssl. TODO we should add them.
return NULL;
}
+/*
+ * Parse BIGNUM from sparse hex-strings, return |BN_hex2bn| result.
+ */
+static int parse_bigBN(BIGNUM **out, const char *bn_strings[])
+{
+ char *bigstring = glue_strings(bn_strings, NULL);
+ int ret = BN_hex2bn(out, bigstring);
+
+ OPENSSL_free(bigstring);
+ return ret;
+}
+
/*
* Parse BIGNUM, return number of bytes parsed.
*/
}
-static int test_sub()
+static int test_sub(void)
{
BIGNUM *a = NULL, *b = NULL, *c = NULL;
int i, st = 0;
BN_add_word(b, i);
} else {
BN_bntest_rand(b, 400 + i - NUM1, 0, 0);
- a->neg = rand_neg();
- b->neg = rand_neg();
+ BN_set_negative(a, rand_neg());
+ BN_set_negative(b, rand_neg());
}
BN_sub(c, a, b);
BN_add(c, c, b);
}
-static int test_div_recip()
+static int test_div_recip(void)
{
BIGNUM *a = NULL, *b = NULL, *c = NULL, *d = NULL, *e = NULL;
BN_RECP_CTX *recp = NULL;
BN_add_word(a, i);
} else
BN_bntest_rand(b, 50 + 3 * (i - NUM1), 0, 0);
- a->neg = rand_neg();
- b->neg = rand_neg();
+ BN_set_negative(a, rand_neg());
+ BN_set_negative(b, rand_neg());
BN_RECP_CTX_set(recp, b, ctx);
BN_div_recp(d, c, a, recp, ctx);
BN_mul(e, d, b, ctx);
}
-static int test_mod()
+static int test_mod(void)
{
BIGNUM *a = NULL, *b = NULL, *c = NULL, *d = NULL, *e = NULL;
int st = 0, i;
BN_bntest_rand(a, 1024, 0, 0);
for (i = 0; i < NUM0; i++) {
BN_bntest_rand(b, 450 + i * 10, 0, 0);
- a->neg = rand_neg();
- b->neg = rand_neg();
+ BN_set_negative(a, rand_neg());
+ BN_set_negative(b, rand_neg());
BN_mod(c, a, b, ctx);
BN_div(d, e, a, b, ctx);
BN_sub(e, e, c);
NULL
};
-static char *glue(const char *list[])
-{
- size_t len = 0;
- char *p, *save;
- int i;
-
- for (i = 0; list[i] != NULL; i++)
- len += strlen(list[i]);
- if (!TEST_ptr(p = save = OPENSSL_malloc(len + 1)))
- return NULL;
- for (i = 0; list[i] != NULL; i++)
- p += strlen(strcpy(p, list[i]));
- return save;
-}
-
/*
* Test constant-time modular exponentiation with 1024-bit inputs, which on
* x86_64 cause a different code branch to be taken.
*/
-static int test_modexp_mont5()
+static int test_modexp_mont5(void)
{
BIGNUM *a = NULL, *p = NULL, *m = NULL, *d = NULL, *e = NULL;
BIGNUM *b = NULL, *n = NULL, *c = NULL;
BN_MONT_CTX *mont = NULL;
- char *bigstring;
int st = 0;
if (!TEST_ptr(a = BN_new())
goto err;
/* Regression test for carry bug in sqr[x]8x_mont */
- bigstring = glue(bn1strings);
- BN_hex2bn(&n, bigstring);
- OPENSSL_free(bigstring);
- bigstring = glue(bn2strings);
- BN_hex2bn(&a, bigstring);
- OPENSSL_free(bigstring);
+ parse_bigBN(&n, bn1strings);
+ parse_bigBN(&a, bn2strings);
BN_free(b);
b = BN_dup(a);
BN_MONT_CTX_set(mont, n, ctx);
if (!TEST_BN_eq(c, d))
goto err;
+ /* Regression test for carry bug in bn_sqrx8x_internal */
+ {
+ static const char *ahex[] = {
+ "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF",
+ "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF",
+ "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF",
+ "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF",
+ "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF8FFEADBCFC4DAE7FFF908E92820306B",
+ "9544D954000000006C0000000000000000000000000000000000000000000000",
+ "00000000000000000000FF030202FFFFF8FFEBDBCFC4DAE7FFF908E92820306B",
+ "9544D954000000006C000000FF0302030000000000FFFFFFFFFFFFFFFFFFFFFF",
+ "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF01FC00FF02FFFFFFFF",
+ "00FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00FCFD",
+ "FCFFFFFFFFFF000000000000000000FF0302030000000000FFFFFFFFFFFFFFFF",
+ "FF00FCFDFDFF030202FF00000000FFFFFFFFFFFFFFFFFF00FCFDFCFFFFFFFFFF",
+ NULL
+ };
+ static const char *nhex[] = {
+ "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF",
+ "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF",
+ "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF",
+ "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF",
+ "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF8F8F8F8000000",
+ "00000010000000006C0000000000000000000000000000000000000000000000",
+ "00000000000000000000000000000000000000FFFFFFFFFFFFF8F8F8F8000000",
+ "00000010000000006C000000000000000000000000FFFFFFFFFFFFFFFFFFFFFF",
+ "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF",
+ "00FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF",
+ "FFFFFFFFFFFF000000000000000000000000000000000000FFFFFFFFFFFFFFFF",
+ "FFFFFFFFFFFFFFFFFFFF00000000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF",
+ NULL
+ };
+
+ parse_bigBN(&a, ahex);
+ parse_bigBN(&n, nhex);
+ }
+ BN_free(b);
+ b = BN_dup(a);
+ BN_MONT_CTX_set(mont, n, ctx);
+ BN_mod_mul_montgomery(c, a, a, mont, ctx);
+ BN_mod_mul_montgomery(d, a, b, mont, ctx);
+ if (!TEST_BN_eq(c, d))
+ goto err;
+
+ /* Regression test for bug in rsaz_1024_mul_avx2 */
+ BN_hex2bn(&a,
+ "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"
+ "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"
+ "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"
+ "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF2020202020DF");
+ BN_hex2bn(&b,
+ "2020202020202020202020202020202020202020202020202020202020202020"
+ "2020202020202020202020202020202020202020202020202020202020202020"
+ "20202020202020FF202020202020202020202020202020202020202020202020"
+ "2020202020202020202020202020202020202020202020202020202020202020");
+ BN_hex2bn(&n,
+ "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"
+ "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"
+ "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"
+ "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF2020202020FF");
+ BN_MONT_CTX_set(mont, n, ctx);
+ BN_mod_exp_mont_consttime(c, a, b, n, ctx, mont);
+ BN_mod_exp_mont(d, a, b, n, ctx, mont);
+ if (!TEST_BN_eq(c, d))
+ goto err;
+
/* Zero input */
BN_bntest_rand(p, 1024, 0, 0);
BN_zero(a);
}
#ifndef OPENSSL_NO_EC2M
-static int test_gf2m_add()
+static int test_gf2m_add(void)
{
BIGNUM *a = NULL, *b = NULL, *c = NULL;
int i, st = 0;
for (i = 0; i < NUM0; i++) {
BN_rand(a, 512, 0, 0);
BN_copy(b, BN_value_one());
- a->neg = rand_neg();
- b->neg = rand_neg();
+ BN_set_negative(a, rand_neg());
+ BN_set_negative(b, rand_neg());
BN_GF2m_add(c, a, b);
/* Test that two added values have the correct parity. */
if (!TEST_false((BN_is_odd(a) && BN_is_odd(c))
return st;
}
-static int test_gf2m_mod()
+static int test_gf2m_mod(void)
{
BIGNUM *a = NULL, *b[2] = {NULL,NULL}, *c = NULL, *d = NULL, *e = NULL;
int i, j, st = 0;
return st;
}
-static int test_gf2m_mul()
+static int test_gf2m_mul(void)
{
BIGNUM *a, *b[2] = {NULL, NULL}, *c = NULL, *d = NULL;
BIGNUM *e = NULL, *f = NULL, *g = NULL, *h = NULL;
return st;
}
-static int test_gf2m_sqr()
+static int test_gf2m_sqr(void)
{
BIGNUM *a = NULL, *b[2] = {NULL,NULL}, *c = NULL, *d = NULL;
int i, j, st = 0;
return st;
}
-static int test_gf2m_modinv()
+static int test_gf2m_modinv(void)
{
BIGNUM *a = NULL, *b[2] = {NULL,NULL}, *c = NULL, *d = NULL;
int i, j, st = 0;
return st;
}
-static int test_gf2m_moddiv()
+static int test_gf2m_moddiv(void)
{
BIGNUM *a = NULL, *b[2] = {NULL,NULL}, *c = NULL, *d = NULL;
BIGNUM *e = NULL, *f = NULL;
return st;
}
-static int test_gf2m_modexp()
+static int test_gf2m_modexp(void)
{
BIGNUM *a = NULL, *b[2] = {NULL,NULL}, *c = NULL, *d = NULL;
BIGNUM *e = NULL, *f = NULL;
return st;
}
-static int test_gf2m_modsqrt()
+static int test_gf2m_modsqrt(void)
{
BIGNUM *a = NULL, *b[2] = {NULL,NULL}, *c = NULL, *d = NULL;
BIGNUM *e = NULL, *f = NULL;
return st;
}
-static int test_gf2m_modsolvequad()
+static int test_gf2m_modsolvequad(void)
{
BIGNUM *a = NULL, *b[2] = {NULL,NULL}, *c = NULL, *d = NULL;
BIGNUM *e = NULL;
}
#endif
-static int test_kronecker()
+static int test_kronecker(void)
{
BIGNUM *a = NULL, *b = NULL, *r = NULL, *t = NULL;
int i, legendre, kronecker, st = 0;
if (!TEST_true(BN_generate_prime_ex(b, 512, 0, NULL, NULL, NULL)))
goto err;
- b->neg = rand_neg();
+ BN_set_negative(b, rand_neg());
for (i = 0; i < NUM0; i++) {
if (!TEST_true(BN_bntest_rand(a, 512, 0, 0)))
goto err;
- a->neg = rand_neg();
+ BN_set_negative(a, rand_neg());
/* t := (|b|-1)/2 (note that b is odd) */
if (!TEST_true(BN_copy(t, b)))
goto err;
- t->neg = 0;
+ BN_set_negative(t, 0);
if (!TEST_true(BN_sub_word(t, 1)))
goto err;
if (!TEST_true(BN_rshift1(t, t)))
goto err;
/* r := a^t mod b */
- b->neg = 0;
+ BN_set_negative(b, 0);
if (!TEST_true(BN_mod_exp_recp(r, a, t, b, ctx)))
goto err;
- b->neg = 1;
+ BN_set_negative(b, 1);
if (BN_is_word(r, 1))
legendre = 1;
if (!TEST_int_ge(kronecker = BN_kronecker(a, b, ctx), -1))
goto err;
/* we actually need BN_kronecker(a, |b|) */
- if (a->neg && b->neg)
+ if (BN_is_negative(a) && BN_is_negative(b))
kronecker = -kronecker;
if (!TEST_int_eq(legendre, kronecker))
if (!TEST_ptr(a = getBN(s, "A"))
|| !TEST_ptr(lshift = getBN(s, "LShift"))
- || !TEST_ptr(ret = BN_new()))
+ || !TEST_ptr(ret = BN_new())
+ || !getint(s, &n, "N"))
+ goto err;
if (!TEST_true(BN_lshift(ret, a, n))
|| !equalBN("A << N", lshift, ret)
return st;
}
-static int test_bn2padded()
+static int test_bn2padded(void)
{
#if HAVE_BN_PADDED
uint8_t zeros[256], out[256], reference[128];
#endif
}
-static int test_dec2bn()
+static int test_dec2bn(void)
{
BIGNUM *bn = NULL;
int st = 0;
return st;
}
-static int test_hex2bn()
+static int test_hex2bn(void)
{
BIGNUM *bn = NULL;
int st = 0;
return st;
}
-static int test_asc2bn()
+static int test_asc2bn(void)
{
BIGNUM *bn = NULL;
int st = 0;
return st;
}
-static int test_rand()
+static int test_rand(void)
{
BIGNUM *bn = NULL;
int st = 0;
return st;
}
-static int test_negzero()
+static int test_negzero(void)
{
BIGNUM *a = NULL, *b = NULL, *c = NULL, *d = NULL;
BIGNUM *numerator = NULL, *denominator = NULL;
return st;
}
-static int test_badmod()
+static int test_badmod(void)
{
BIGNUM *a = NULL, *b = NULL, *zero = NULL;
BN_MONT_CTX *mont = NULL;
return st;
}
-static int test_expmodzero()
+static int test_expmodzero(void)
{
BIGNUM *a = NULL, *r = NULL, *zero = NULL;
int st = 0;
return st;
}
-static int test_smallprime()
+static int test_smallprime(void)
{
static const int kBits = 10;
BIGNUM *r;
return st;
}
-static int test_3_is_prime()
+static int test_3_is_prime(void)
{
int ret = 0;
BIGNUM *r = NULL;
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