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openssl/test/ec_internal_test.c
Viktor Dukhovni 8e008cb8b2 Harden BN_GF2m_poly2arr against misuse. 
The BN_GF2m_poly2arr() function converts characteristic-2 field
(GF_{2^m}) Galois polynomials from a representation as a BIGNUM bitmask,
to a compact array with just the exponents of the non-zero terms.

These polynomials are then used in BN_GF2m_mod_arr() to perform modular
reduction.  A precondition of calling BN_GF2m_mod_arr() is that the
polynomial must have a non-zero constant term (i.e. the array has `0` as
its final element).

Internally, callers of BN_GF2m_poly2arr() did not verify that
precondition, and binary EC curve parameters with an invalid polynomial
could lead to out of bounds memory reads and writes in BN_GF2m_mod_arr().

The precondition is always true for polynomials that arise from the
standard form of EC parameters for characteristic-two fields (X9.62).
See the "Finite Field Identification" section of:

    https://www.itu.int/ITU-T/formal-language/itu-t/x/x894/2018-cor1/ANSI-X9-62.html

The OpenSSL GF(2^m) code supports only the trinomial and pentanomial
basis X9.62 forms.

This commit updates BN_GF2m_poly2arr() to return `0` (failure) when
the constant term is zero (i.e. the input bitmask BIGNUM is not odd).

Additionally, the return value is made unambiguous when there is not
enough space to also pad the array with a final `-1` sentinel value.
The return value is now always the number of elements (including the
final `-1`) that would be filled when the output array is sufficiently
large.  Previously the same count was returned both when the array has
just enough room for the final `-1` and when it had only enough space
for non-sentinel values.

Finally, BN_GF2m_poly2arr() is updated to reject polynomials whose
degree exceeds `OPENSSL_ECC_MAX_FIELD_BITS`, this guards against
CPU exhausition attacks via excessively large inputs.

The above issues do not arise in processing X.509 certificates.  These
generally have EC keys from "named curves", and RFC5840 (Section 2.1.1)
disallows explicit EC parameters.  The TLS code in OpenSSL enforces this
constraint only after the certificate is decoded, but, even if explicit
parameters are specified, they are in X9.62 form, which cannot represent
problem values as noted above.

Initially reported as oss-fuzz issue 71623.

A closely related issue was earlier reported in
<https://github.com/openssl/openssl/issues/19826>.

Severity: Low, CVE-2024-9143

Reviewed-by: Matt Caswell <matt@openssl.org>
Reviewed-by: Bernd Edlinger <bernd.edlinger@hotmail.de>
Reviewed-by: Paul Dale <ppzgs1@gmail.com>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/25639)
2024-10-16 09:21:33 +02:00

578 lines
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/*
* Copyright 2019-2024 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (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
*/
/*
* Low level APIs are deprecated for public use, but still ok for internal use.
*/
#include "internal/deprecated.h"
#include "internal/nelem.h"
#include "testutil.h"
#include <openssl/ec.h>
#include "ec_local.h"
#include <crypto/bn.h>
#include <openssl/objects.h>
static size_t crv_len = 0;
static EC_builtin_curve *curves = NULL;
/* sanity checks field_inv function pointer in EC_METHOD */
static int group_field_tests(const EC_GROUP *group, BN_CTX *ctx)
{
BIGNUM *a = NULL, *b = NULL, *c = NULL;
int ret = 0;
if (group->meth->field_inv == NULL || group->meth->field_mul == NULL)
return 1;
BN_CTX_start(ctx);
a = BN_CTX_get(ctx);
b = BN_CTX_get(ctx);
if (!TEST_ptr(c = BN_CTX_get(ctx))
/* 1/1 = 1 */
|| !TEST_true(group->meth->field_inv(group, b, BN_value_one(), ctx))
|| !TEST_true(BN_is_one(b))
/* (1/a)*a = 1 */
|| !TEST_true(BN_rand(a, BN_num_bits(group->field) - 1,
BN_RAND_TOP_ONE, BN_RAND_BOTTOM_ANY))
|| !TEST_true(group->meth->field_inv(group, b, a, ctx))
|| (group->meth->field_encode &&
!TEST_true(group->meth->field_encode(group, a, a, ctx)))
|| (group->meth->field_encode &&
!TEST_true(group->meth->field_encode(group, b, b, ctx)))
|| !TEST_true(group->meth->field_mul(group, c, a, b, ctx))
|| (group->meth->field_decode &&
!TEST_true(group->meth->field_decode(group, c, c, ctx)))
|| !TEST_true(BN_is_one(c)))
goto err;
/* 1/0 = error */
BN_zero(a);
if (!TEST_false(group->meth->field_inv(group, b, a, ctx))
|| !TEST_true(ERR_GET_LIB(ERR_peek_last_error()) == ERR_LIB_EC)
|| !TEST_true(ERR_GET_REASON(ERR_peek_last_error()) ==
EC_R_CANNOT_INVERT)
/* 1/p = error */
|| !TEST_false(group->meth->field_inv(group, b, group->field, ctx))
|| !TEST_true(ERR_GET_LIB(ERR_peek_last_error()) == ERR_LIB_EC)
|| !TEST_true(ERR_GET_REASON(ERR_peek_last_error()) ==
EC_R_CANNOT_INVERT))
goto err;
ERR_clear_error();
ret = 1;
err:
BN_CTX_end(ctx);
return ret;
}
/* wrapper for group_field_tests for explicit curve params and EC_METHOD */
static int field_tests(const EC_METHOD *meth, const unsigned char *params,
int len)
{
BN_CTX *ctx = NULL;
BIGNUM *p = NULL, *a = NULL, *b = NULL;
EC_GROUP *group = NULL;
int ret = 0;
if (!TEST_ptr(ctx = BN_CTX_new()))
return 0;
BN_CTX_start(ctx);
p = BN_CTX_get(ctx);
a = BN_CTX_get(ctx);
if (!TEST_ptr(b = BN_CTX_get(ctx))
|| !TEST_ptr(group = EC_GROUP_new(meth))
|| !TEST_true(BN_bin2bn(params, len, p))
|| !TEST_true(BN_bin2bn(params + len, len, a))
|| !TEST_true(BN_bin2bn(params + 2 * len, len, b))
|| !TEST_true(EC_GROUP_set_curve(group, p, a, b, ctx))
|| !group_field_tests(group, ctx))
goto err;
ret = 1;
err:
BN_CTX_end(ctx);
BN_CTX_free(ctx);
if (group != NULL)
EC_GROUP_free(group);
return ret;
}
/* NIST prime curve P-256 */
static const unsigned char params_p256[] = {
/* p */
0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
/* a */
0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFC,
/* b */
0x5A, 0xC6, 0x35, 0xD8, 0xAA, 0x3A, 0x93, 0xE7, 0xB3, 0xEB, 0xBD, 0x55,
0x76, 0x98, 0x86, 0xBC, 0x65, 0x1D, 0x06, 0xB0, 0xCC, 0x53, 0xB0, 0xF6,
0x3B, 0xCE, 0x3C, 0x3E, 0x27, 0xD2, 0x60, 0x4B
};
#ifndef OPENSSL_NO_EC2M
/* NIST binary curve B-283 */
static const unsigned char params_b283[] = {
/* p */
0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0xA1,
/* a */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01,
/* b */
0x02, 0x7B, 0x68, 0x0A, 0xC8, 0xB8, 0x59, 0x6D, 0xA5, 0xA4, 0xAF, 0x8A,
0x19, 0xA0, 0x30, 0x3F, 0xCA, 0x97, 0xFD, 0x76, 0x45, 0x30, 0x9F, 0xA2,
0xA5, 0x81, 0x48, 0x5A, 0xF6, 0x26, 0x3E, 0x31, 0x3B, 0x79, 0xA2, 0xF5
};
#endif
/* test EC_GFp_simple_method directly */
static int field_tests_ecp_simple(void)
{
TEST_info("Testing EC_GFp_simple_method()\n");
return field_tests(EC_GFp_simple_method(), params_p256,
sizeof(params_p256) / 3);
}
/* test EC_GFp_mont_method directly */
static int field_tests_ecp_mont(void)
{
TEST_info("Testing EC_GFp_mont_method()\n");
return field_tests(EC_GFp_mont_method(), params_p256,
sizeof(params_p256) / 3);
}
#ifndef OPENSSL_NO_EC2M
/* Test that decoding of invalid GF2m field parameters fails. */
static int ec2m_field_sanity(void)
{
int ret = 0;
BN_CTX *ctx = BN_CTX_new();
BIGNUM *p, *a, *b;
EC_GROUP *group1 = NULL, *group2 = NULL, *group3 = NULL;
TEST_info("Testing GF2m hardening\n");
BN_CTX_start(ctx);
p = BN_CTX_get(ctx);
a = BN_CTX_get(ctx);
if (!TEST_ptr(b = BN_CTX_get(ctx))
|| !TEST_true(BN_one(a))
|| !TEST_true(BN_one(b)))
goto out;
/* Even pentanomial value should be rejected */
if (!TEST_true(BN_set_word(p, 0xf2)))
goto out;
if (!TEST_ptr_null(group1 = EC_GROUP_new_curve_GF2m(p, a, b, ctx)))
TEST_error("Zero constant term accepted in GF2m polynomial");
/* Odd hexanomial should also be rejected */
if (!TEST_true(BN_set_word(p, 0xf3)))
goto out;
if (!TEST_ptr_null(group2 = EC_GROUP_new_curve_GF2m(p, a, b, ctx)))
TEST_error("Hexanomial accepted as GF2m polynomial");
/* Excessive polynomial degree should also be rejected */
if (!TEST_true(BN_set_word(p, 0x71))
|| !TEST_true(BN_set_bit(p, OPENSSL_ECC_MAX_FIELD_BITS + 1)))
goto out;
if (!TEST_ptr_null(group3 = EC_GROUP_new_curve_GF2m(p, a, b, ctx)))
TEST_error("GF2m polynomial degree > %d accepted",
OPENSSL_ECC_MAX_FIELD_BITS);
ret = group1 == NULL && group2 == NULL && group3 == NULL;
out:
EC_GROUP_free(group1);
EC_GROUP_free(group2);
EC_GROUP_free(group3);
BN_CTX_end(ctx);
BN_CTX_free(ctx);
return ret;
}
/* test EC_GF2m_simple_method directly */
static int field_tests_ec2_simple(void)
{
TEST_info("Testing EC_GF2m_simple_method()\n");
return field_tests(EC_GF2m_simple_method(), params_b283,
sizeof(params_b283) / 3);
}
#endif
/* test default method for a named curve */
static int field_tests_default(int n)
{
BN_CTX *ctx = NULL;
EC_GROUP *group = NULL;
int nid = curves[n].nid;
int ret = 0;
TEST_info("Testing curve %s\n", OBJ_nid2sn(nid));
if (!TEST_ptr(group = EC_GROUP_new_by_curve_name(nid))
|| !TEST_ptr(ctx = BN_CTX_new())
|| !group_field_tests(group, ctx))
goto err;
ret = 1;
err:
if (group != NULL)
EC_GROUP_free(group);
if (ctx != NULL)
BN_CTX_free(ctx);
return ret;
}
#ifndef OPENSSL_NO_EC_NISTP_64_GCC_128
/*
* Tests a point known to cause an incorrect underflow in an old version of
* ecp_nist521.c
*/
static int underflow_test(void)
{
BN_CTX *ctx = NULL;
EC_GROUP *grp = NULL;
EC_POINT *P = NULL, *Q = NULL, *R = NULL;
BIGNUM *x1 = NULL, *y1 = NULL, *z1 = NULL, *x2 = NULL, *y2 = NULL;
BIGNUM *k = NULL;
int testresult = 0;
const char *x1str =
"1534f0077fffffe87e9adcfe000000000000000000003e05a21d2400002e031b1f4"
"b80000c6fafa4f3c1288798d624a247b5e2ffffffffffffffefe099241900004";
const char *p521m1 =
"1ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"
"fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffe";
ctx = BN_CTX_new();
if (!TEST_ptr(ctx))
return 0;
BN_CTX_start(ctx);
x1 = BN_CTX_get(ctx);
y1 = BN_CTX_get(ctx);
z1 = BN_CTX_get(ctx);
x2 = BN_CTX_get(ctx);
y2 = BN_CTX_get(ctx);
k = BN_CTX_get(ctx);
if (!TEST_ptr(k))
goto err;
grp = EC_GROUP_new_by_curve_name(NID_secp521r1);
P = EC_POINT_new(grp);
Q = EC_POINT_new(grp);
R = EC_POINT_new(grp);
if (!TEST_ptr(grp) || !TEST_ptr(P) || !TEST_ptr(Q) || !TEST_ptr(R))
goto err;
if (!TEST_int_gt(BN_hex2bn(&x1, x1str), 0)
|| !TEST_int_gt(BN_hex2bn(&y1, p521m1), 0)
|| !TEST_int_gt(BN_hex2bn(&z1, p521m1), 0)
|| !TEST_int_gt(BN_hex2bn(&k, "02"), 0)
|| !TEST_true(ossl_ec_GFp_simple_set_Jprojective_coordinates_GFp(grp, P, x1,
y1, z1, ctx))
|| !TEST_true(EC_POINT_mul(grp, Q, NULL, P, k, ctx))
|| !TEST_true(EC_POINT_get_affine_coordinates(grp, Q, x1, y1, ctx))
|| !TEST_true(EC_POINT_dbl(grp, R, P, ctx))
|| !TEST_true(EC_POINT_get_affine_coordinates(grp, R, x2, y2, ctx)))
goto err;
if (!TEST_int_eq(BN_cmp(x1, x2), 0)
|| !TEST_int_eq(BN_cmp(y1, y2), 0))
goto err;
testresult = 1;
err:
BN_CTX_end(ctx);
EC_POINT_free(P);
EC_POINT_free(Q);
EC_POINT_free(R);
EC_GROUP_free(grp);
BN_CTX_free(ctx);
return testresult;
}
#endif
/*
* Tests behavior of the EC_KEY_set_private_key
*/
static int set_private_key(void)
{
EC_KEY *key = NULL, *aux_key = NULL;
int testresult = 0;
key = EC_KEY_new_by_curve_name(NID_secp224r1);
aux_key = EC_KEY_new_by_curve_name(NID_secp224r1);
if (!TEST_ptr(key)
|| !TEST_ptr(aux_key)
|| !TEST_int_eq(EC_KEY_generate_key(key), 1)
|| !TEST_int_eq(EC_KEY_generate_key(aux_key), 1))
goto err;
/* Test setting a valid private key */
if (!TEST_int_eq(EC_KEY_set_private_key(key, aux_key->priv_key), 1))
goto err;
/* Test compliance with legacy behavior for NULL private keys */
if (!TEST_int_eq(EC_KEY_set_private_key(key, NULL), 0)
|| !TEST_ptr_null(key->priv_key))
goto err;
testresult = 1;
err:
EC_KEY_free(key);
EC_KEY_free(aux_key);
return testresult;
}
/*
* Tests behavior of the decoded_from_explicit_params flag and API
*/
static int decoded_flag_test(void)
{
EC_GROUP *grp;
EC_GROUP *grp_copy = NULL;
ECPARAMETERS *ecparams = NULL;
ECPKPARAMETERS *ecpkparams = NULL;
EC_KEY *key = NULL;
unsigned char *encodedparams = NULL;
const unsigned char *encp;
int encodedlen;
int testresult = 0;
/* Test EC_GROUP_new not setting the flag */
grp = EC_GROUP_new(EC_GFp_simple_method());
if (!TEST_ptr(grp)
|| !TEST_int_eq(grp->decoded_from_explicit_params, 0))
goto err;
EC_GROUP_free(grp);
/* Test EC_GROUP_new_by_curve_name not setting the flag */
grp = EC_GROUP_new_by_curve_name(NID_X9_62_prime256v1);
if (!TEST_ptr(grp)
|| !TEST_int_eq(grp->decoded_from_explicit_params, 0))
goto err;
/* Test EC_GROUP_new_from_ecparameters not setting the flag */
if (!TEST_ptr(ecparams = EC_GROUP_get_ecparameters(grp, NULL))
|| !TEST_ptr(grp_copy = EC_GROUP_new_from_ecparameters(ecparams))
|| !TEST_int_eq(grp_copy->decoded_from_explicit_params, 0))
goto err;
EC_GROUP_free(grp_copy);
grp_copy = NULL;
ECPARAMETERS_free(ecparams);
ecparams = NULL;
/* Test EC_GROUP_new_from_ecpkparameters not setting the flag */
if (!TEST_int_eq(EC_GROUP_get_asn1_flag(grp), OPENSSL_EC_NAMED_CURVE)
|| !TEST_ptr(ecpkparams = EC_GROUP_get_ecpkparameters(grp, NULL))
|| !TEST_ptr(grp_copy = EC_GROUP_new_from_ecpkparameters(ecpkparams))
|| !TEST_int_eq(grp_copy->decoded_from_explicit_params, 0)
|| !TEST_ptr(key = EC_KEY_new())
/* Test EC_KEY_decoded_from_explicit_params on key without a group */
|| !TEST_int_eq(EC_KEY_decoded_from_explicit_params(key), -1)
|| !TEST_int_eq(EC_KEY_set_group(key, grp_copy), 1)
/* Test EC_KEY_decoded_from_explicit_params negative case */
|| !TEST_int_eq(EC_KEY_decoded_from_explicit_params(key), 0))
goto err;
EC_GROUP_free(grp_copy);
grp_copy = NULL;
ECPKPARAMETERS_free(ecpkparams);
ecpkparams = NULL;
/* Test d2i_ECPKParameters with named params not setting the flag */
if (!TEST_int_gt(encodedlen = i2d_ECPKParameters(grp, &encodedparams), 0)
|| !TEST_ptr(encp = encodedparams)
|| !TEST_ptr(grp_copy = d2i_ECPKParameters(NULL, &encp, encodedlen))
|| !TEST_int_eq(grp_copy->decoded_from_explicit_params, 0))
goto err;
EC_GROUP_free(grp_copy);
grp_copy = NULL;
OPENSSL_free(encodedparams);
encodedparams = NULL;
/* Asn1 flag stays set to explicit with EC_GROUP_new_from_ecpkparameters */
EC_GROUP_set_asn1_flag(grp, OPENSSL_EC_EXPLICIT_CURVE);
if (!TEST_ptr(ecpkparams = EC_GROUP_get_ecpkparameters(grp, NULL))
|| !TEST_ptr(grp_copy = EC_GROUP_new_from_ecpkparameters(ecpkparams))
|| !TEST_int_eq(EC_GROUP_get_asn1_flag(grp_copy), OPENSSL_EC_EXPLICIT_CURVE)
|| !TEST_int_eq(grp_copy->decoded_from_explicit_params, 0))
goto err;
EC_GROUP_free(grp_copy);
grp_copy = NULL;
/* Test d2i_ECPKParameters with explicit params setting the flag */
if (!TEST_int_gt(encodedlen = i2d_ECPKParameters(grp, &encodedparams), 0)
|| !TEST_ptr(encp = encodedparams)
|| !TEST_ptr(grp_copy = d2i_ECPKParameters(NULL, &encp, encodedlen))
|| !TEST_int_eq(EC_GROUP_get_asn1_flag(grp_copy), OPENSSL_EC_EXPLICIT_CURVE)
|| !TEST_int_eq(grp_copy->decoded_from_explicit_params, 1)
|| !TEST_int_eq(EC_KEY_set_group(key, grp_copy), 1)
/* Test EC_KEY_decoded_from_explicit_params positive case */
|| !TEST_int_eq(EC_KEY_decoded_from_explicit_params(key), 1))
goto err;
testresult = 1;
err:
EC_KEY_free(key);
EC_GROUP_free(grp);
EC_GROUP_free(grp_copy);
ECPARAMETERS_free(ecparams);
ECPKPARAMETERS_free(ecpkparams);
OPENSSL_free(encodedparams);
return testresult;
}
static
int ecpkparams_i2d2i_test(int n)
{
EC_GROUP *g1 = NULL, *g2 = NULL;
FILE *fp = NULL;
int nid = curves[n].nid;
int testresult = 0;
/* create group */
if (!TEST_ptr(g1 = EC_GROUP_new_by_curve_name(nid)))
goto end;
/* encode params to file */
if (!TEST_ptr(fp = fopen("params.der", "wb"))
|| !TEST_true(i2d_ECPKParameters_fp(fp, g1)))
goto end;
/* flush and close file */
if (!TEST_int_eq(fclose(fp), 0)) {
fp = NULL;
goto end;
}
fp = NULL;
/* decode params from file */
if (!TEST_ptr(fp = fopen("params.der", "rb"))
|| !TEST_ptr(g2 = d2i_ECPKParameters_fp(fp, NULL)))
goto end;
testresult = 1; /* PASS */
end:
if (fp != NULL)
fclose(fp);
EC_GROUP_free(g1);
EC_GROUP_free(g2);
return testresult;
}
static int check_bn_mont_ctx(BN_MONT_CTX *mont, BIGNUM *mod, BN_CTX *ctx)
{
int ret = 0;
BN_MONT_CTX *regenerated = BN_MONT_CTX_new();
if (!TEST_ptr(regenerated))
return ret;
if (!TEST_ptr(mont))
goto err;
if (!TEST_true(BN_MONT_CTX_set(regenerated, mod, ctx)))
goto err;
if (!TEST_true(ossl_bn_mont_ctx_eq(regenerated, mont)))
goto err;
ret = 1;
err:
BN_MONT_CTX_free(regenerated);
return ret;
}
static int montgomery_correctness_test(EC_GROUP *group)
{
int ret = 0;
BN_CTX *ctx = NULL;
ctx = BN_CTX_new();
if (!TEST_ptr(ctx))
return ret;
if (!TEST_true(check_bn_mont_ctx(group->mont_data, group->order, ctx))) {
TEST_error("group order issue");
goto err;
}
if (group->field_data1 != NULL) {
if (!TEST_true(check_bn_mont_ctx(group->field_data1, group->field, ctx)))
goto err;
}
ret = 1;
err:
BN_CTX_free(ctx);
return ret;
}
static int named_group_creation_test(void)
{
int ret = 0;
EC_GROUP *group = NULL;
if (!TEST_ptr(group = EC_GROUP_new_by_curve_name(NID_X9_62_prime256v1))
|| !TEST_true(montgomery_correctness_test(group)))
goto err;
ret = 1;
err:
EC_GROUP_free(group);
return ret;
}
int setup_tests(void)
{
crv_len = EC_get_builtin_curves(NULL, 0);
if (!TEST_ptr(curves = OPENSSL_malloc(sizeof(*curves) * crv_len))
|| !TEST_true(EC_get_builtin_curves(curves, crv_len)))
return 0;
ADD_TEST(field_tests_ecp_simple);
ADD_TEST(field_tests_ecp_mont);
#ifndef OPENSSL_NO_EC2M
ADD_TEST(ec2m_field_sanity);
ADD_TEST(field_tests_ec2_simple);
#endif
ADD_ALL_TESTS(field_tests_default, crv_len);
#ifndef OPENSSL_NO_EC_NISTP_64_GCC_128
ADD_TEST(underflow_test);
#endif
ADD_TEST(set_private_key);
ADD_TEST(decoded_flag_test);
ADD_ALL_TESTS(ecpkparams_i2d2i_test, crv_len);
ADD_TEST(named_group_creation_test);
return 1;
}
void cleanup_tests(void)
{
OPENSSL_free(curves);
}
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