/*
- * Copyright 2002-2018 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 2002-2020 The OpenSSL Project Authors. All Rights Reserved.
* Copyright (c) 2002, Oracle and/or its affiliates. All rights reserved
*
* Licensed under the Apache License 2.0 (the "License"). You may not use
* https://www.openssl.org/source/license.html
*/
+/*
+ * ECDSA low level APIs are deprecated for public use, but still ok for
+ * internal use.
+ */
+#include "internal/deprecated.h"
+
#include <openssl/err.h>
-#include "internal/bn_int.h"
-#include "ec_lcl.h"
+#include "crypto/bn.h"
+#include "ec_local.h"
#ifndef OPENSSL_NO_EC2M
{
int ret = 0;
BIGNUM *b;
+#ifndef FIPS_MODULE
BN_CTX *new_ctx = NULL;
if (ctx == NULL) {
goto err;
}
}
+#endif
BN_CTX_start(ctx);
b = BN_CTX_get(ctx);
if (b == NULL)
err:
BN_CTX_end(ctx);
+#ifndef FIPS_MODULE
BN_CTX_free(new_ctx);
+#endif
return ret;
}
int ec_GF2m_simple_add(const EC_GROUP *group, EC_POINT *r, const EC_POINT *a,
const EC_POINT *b, BN_CTX *ctx)
{
- BN_CTX *new_ctx = NULL;
BIGNUM *x0, *y0, *x1, *y1, *x2, *y2, *s, *t;
int ret = 0;
+#ifndef FIPS_MODULE
+ BN_CTX *new_ctx = NULL;
+#endif
if (EC_POINT_is_at_infinity(group, a)) {
if (!EC_POINT_copy(r, b))
return 1;
}
+#ifndef FIPS_MODULE
if (ctx == NULL) {
ctx = new_ctx = BN_CTX_new();
if (ctx == NULL)
return 0;
}
+#endif
BN_CTX_start(ctx);
x0 = BN_CTX_get(ctx);
err:
BN_CTX_end(ctx);
+#ifndef FIPS_MODULE
BN_CTX_free(new_ctx);
+#endif
return ret;
}
/* point is its own inverse */
return 1;
- if (!EC_POINT_make_affine(group, point, ctx))
+ if (group->meth->make_affine == NULL
+ || !group->meth->make_affine(group, point, ctx))
return 0;
return BN_GF2m_add(point->Y, point->X, point->Y);
}
BN_CTX *ctx)
{
int ret = -1;
- BN_CTX *new_ctx = NULL;
BIGNUM *lh, *y2;
int (*field_mul) (const EC_GROUP *, BIGNUM *, const BIGNUM *,
const BIGNUM *, BN_CTX *);
int (*field_sqr) (const EC_GROUP *, BIGNUM *, const BIGNUM *, BN_CTX *);
+#ifndef FIPS_MODULE
+ BN_CTX *new_ctx = NULL;
+#endif
if (EC_POINT_is_at_infinity(group, point))
return 1;
if (!point->Z_is_one)
return -1;
+#ifndef FIPS_MODULE
if (ctx == NULL) {
ctx = new_ctx = BN_CTX_new();
if (ctx == NULL)
return -1;
}
+#endif
BN_CTX_start(ctx);
y2 = BN_CTX_get(ctx);
err:
BN_CTX_end(ctx);
+#ifndef FIPS_MODULE
BN_CTX_free(new_ctx);
+#endif
return ret;
}
const EC_POINT *b, BN_CTX *ctx)
{
BIGNUM *aX, *aY, *bX, *bY;
- BN_CTX *new_ctx = NULL;
int ret = -1;
+#ifndef FIPS_MODULE
+ BN_CTX *new_ctx = NULL;
+#endif
if (EC_POINT_is_at_infinity(group, a)) {
return EC_POINT_is_at_infinity(group, b) ? 0 : 1;
return ((BN_cmp(a->X, b->X) == 0) && BN_cmp(a->Y, b->Y) == 0) ? 0 : 1;
}
+#ifndef FIPS_MODULE
if (ctx == NULL) {
ctx = new_ctx = BN_CTX_new();
if (ctx == NULL)
return -1;
}
+#endif
BN_CTX_start(ctx);
aX = BN_CTX_get(ctx);
err:
BN_CTX_end(ctx);
+#ifndef FIPS_MODULE
BN_CTX_free(new_ctx);
+#endif
return ret;
}
int ec_GF2m_simple_make_affine(const EC_GROUP *group, EC_POINT *point,
BN_CTX *ctx)
{
- BN_CTX *new_ctx = NULL;
BIGNUM *x, *y;
int ret = 0;
+#ifndef FIPS_MODULE
+ BN_CTX *new_ctx = NULL;
+#endif
if (point->Z_is_one || EC_POINT_is_at_infinity(group, point))
return 1;
+#ifndef FIPS_MODULE
if (ctx == NULL) {
ctx = new_ctx = BN_CTX_new();
if (ctx == NULL)
return 0;
}
+#endif
BN_CTX_start(ctx);
x = BN_CTX_get(ctx);
err:
BN_CTX_end(ctx);
+#ifndef FIPS_MODULE
BN_CTX_free(new_ctx);
+#endif
return ret;
}
/* s blinding: make sure lambda (s->Z here) is not zero */
do {
- if (!BN_priv_rand(s->Z, BN_num_bits(group->field) - 1,
- BN_RAND_TOP_ANY, BN_RAND_BOTTOM_ANY)) {
+ if (!BN_priv_rand_ex(s->Z, BN_num_bits(group->field) - 1,
+ BN_RAND_TOP_ANY, BN_RAND_BOTTOM_ANY, ctx)) {
ECerr(EC_F_EC_GF2M_SIMPLE_LADDER_PRE, ERR_R_BN_LIB);
return 0;
}
/* r blinding: make sure lambda (r->Y here for storage) is not zero */
do {
- if (!BN_priv_rand(r->Y, BN_num_bits(group->field) - 1,
- BN_RAND_TOP_ANY, BN_RAND_BOTTOM_ANY)) {
+ if (!BN_priv_rand_ex(r->Y, BN_num_bits(group->field) - 1,
+ BN_RAND_TOP_ANY, BN_RAND_BOTTOM_ANY, ctx)) {
ECerr(EC_F_EC_GF2M_SIMPLE_LADDER_PRE, ERR_R_BN_LIB);
return 0;
}
ec_GF2m_simple_point_clear_finish,
ec_GF2m_simple_point_copy,
ec_GF2m_simple_point_set_to_infinity,
- 0, /* set_Jprojective_coordinates_GFp */
- 0, /* get_Jprojective_coordinates_GFp */
ec_GF2m_simple_point_set_affine_coordinates,
ec_GF2m_simple_point_get_affine_coordinates,
0, /* point_set_compressed_coordinates */
0, /* keycopy */
0, /* keyfinish */
ecdh_simple_compute_key,
+ ecdsa_simple_sign_setup,
+ ecdsa_simple_sign_sig,
+ ecdsa_simple_verify_sig,
0, /* field_inverse_mod_ord */
0, /* blind_coordinates */
ec_GF2m_simple_ladder_pre,