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Diffstat (limited to 'thirdparty/openssl/crypto/ec/ec_key.c')
-rw-r--r--thirdparty/openssl/crypto/ec/ec_key.c564
1 files changed, 0 insertions, 564 deletions
diff --git a/thirdparty/openssl/crypto/ec/ec_key.c b/thirdparty/openssl/crypto/ec/ec_key.c
deleted file mode 100644
index 456080ecfe..0000000000
--- a/thirdparty/openssl/crypto/ec/ec_key.c
+++ /dev/null
@@ -1,564 +0,0 @@
-/* crypto/ec/ec_key.c */
-/*
- * Written by Nils Larsch for the OpenSSL project.
- */
-/* ====================================================================
- * Copyright (c) 1998-2005 The OpenSSL Project. All rights reserved.
- *
- * 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 above 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 acknowledgment:
- * "This product includes software developed by the OpenSSL Project
- * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
- *
- * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
- * endorse or promote products derived from this software without
- * prior written permission. For written permission, please contact
- * openssl-core@openssl.org.
- *
- * 5. Products derived from this software may not be called "OpenSSL"
- * nor may "OpenSSL" appear in their names without prior written
- * permission of the OpenSSL Project.
- *
- * 6. Redistributions of any form whatsoever must retain the following
- * acknowledgment:
- * "This product includes software developed by the OpenSSL Project
- * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
- *
- * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
- * EXPRESSED 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 OpenSSL PROJECT OR
- * ITS 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.
- * ====================================================================
- *
- * This product includes cryptographic software written by Eric Young
- * (eay@cryptsoft.com). This product includes software written by Tim
- * Hudson (tjh@cryptsoft.com).
- *
- */
-/* ====================================================================
- * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
- * Portions originally developed by SUN MICROSYSTEMS, INC., and
- * contributed to the OpenSSL project.
- */
-
-#include <string.h>
-#include "ec_lcl.h"
-#include <openssl/err.h>
-#ifdef OPENSSL_FIPS
-# include <openssl/fips.h>
-#endif
-
-EC_KEY *EC_KEY_new(void)
-{
- EC_KEY *ret;
-
- ret = (EC_KEY *)OPENSSL_malloc(sizeof(EC_KEY));
- if (ret == NULL) {
- ECerr(EC_F_EC_KEY_NEW, ERR_R_MALLOC_FAILURE);
- return (NULL);
- }
-
- ret->version = 1;
- ret->flags = 0;
- ret->group = NULL;
- ret->pub_key = NULL;
- ret->priv_key = NULL;
- ret->enc_flag = 0;
- ret->conv_form = POINT_CONVERSION_UNCOMPRESSED;
- ret->references = 1;
- ret->method_data = NULL;
- return (ret);
-}
-
-EC_KEY *EC_KEY_new_by_curve_name(int nid)
-{
- EC_KEY *ret = EC_KEY_new();
- if (ret == NULL)
- return NULL;
- ret->group = EC_GROUP_new_by_curve_name(nid);
- if (ret->group == NULL) {
- EC_KEY_free(ret);
- return NULL;
- }
- return ret;
-}
-
-void EC_KEY_free(EC_KEY *r)
-{
- int i;
-
- if (r == NULL)
- return;
-
- i = CRYPTO_add(&r->references, -1, CRYPTO_LOCK_EC);
-#ifdef REF_PRINT
- REF_PRINT("EC_KEY", r);
-#endif
- if (i > 0)
- return;
-#ifdef REF_CHECK
- if (i < 0) {
- fprintf(stderr, "EC_KEY_free, bad reference count\n");
- abort();
- }
-#endif
-
- if (r->group != NULL)
- EC_GROUP_free(r->group);
- if (r->pub_key != NULL)
- EC_POINT_free(r->pub_key);
- if (r->priv_key != NULL)
- BN_clear_free(r->priv_key);
-
- EC_EX_DATA_free_all_data(&r->method_data);
-
- OPENSSL_cleanse((void *)r, sizeof(EC_KEY));
-
- OPENSSL_free(r);
-}
-
-EC_KEY *EC_KEY_copy(EC_KEY *dest, const EC_KEY *src)
-{
- EC_EXTRA_DATA *d;
-
- if (dest == NULL || src == NULL) {
- ECerr(EC_F_EC_KEY_COPY, ERR_R_PASSED_NULL_PARAMETER);
- return NULL;
- }
- /* copy the parameters */
- if (src->group) {
- const EC_METHOD *meth = EC_GROUP_method_of(src->group);
- /* clear the old group */
- if (dest->group)
- EC_GROUP_free(dest->group);
- dest->group = EC_GROUP_new(meth);
- if (dest->group == NULL)
- return NULL;
- if (!EC_GROUP_copy(dest->group, src->group))
- return NULL;
- }
- /* copy the public key */
- if (src->pub_key && src->group) {
- if (dest->pub_key)
- EC_POINT_free(dest->pub_key);
- dest->pub_key = EC_POINT_new(src->group);
- if (dest->pub_key == NULL)
- return NULL;
- if (!EC_POINT_copy(dest->pub_key, src->pub_key))
- return NULL;
- }
- /* copy the private key */
- if (src->priv_key) {
- if (dest->priv_key == NULL) {
- dest->priv_key = BN_new();
- if (dest->priv_key == NULL)
- return NULL;
- }
- if (!BN_copy(dest->priv_key, src->priv_key))
- return NULL;
- }
- /* copy method/extra data */
- EC_EX_DATA_free_all_data(&dest->method_data);
-
- for (d = src->method_data; d != NULL; d = d->next) {
- void *t = d->dup_func(d->data);
-
- if (t == NULL)
- return 0;
- if (!EC_EX_DATA_set_data
- (&dest->method_data, t, d->dup_func, d->free_func,
- d->clear_free_func))
- return 0;
- }
-
- /* copy the rest */
- dest->enc_flag = src->enc_flag;
- dest->conv_form = src->conv_form;
- dest->version = src->version;
- dest->flags = src->flags;
-
- return dest;
-}
-
-EC_KEY *EC_KEY_dup(const EC_KEY *ec_key)
-{
- EC_KEY *ret = EC_KEY_new();
- if (ret == NULL)
- return NULL;
- if (EC_KEY_copy(ret, ec_key) == NULL) {
- EC_KEY_free(ret);
- return NULL;
- }
- return ret;
-}
-
-int EC_KEY_up_ref(EC_KEY *r)
-{
- int i = CRYPTO_add(&r->references, 1, CRYPTO_LOCK_EC);
-#ifdef REF_PRINT
- REF_PRINT("EC_KEY", r);
-#endif
-#ifdef REF_CHECK
- if (i < 2) {
- fprintf(stderr, "EC_KEY_up, bad reference count\n");
- abort();
- }
-#endif
- return ((i > 1) ? 1 : 0);
-}
-
-int EC_KEY_generate_key(EC_KEY *eckey)
-{
- int ok = 0;
- BN_CTX *ctx = NULL;
- BIGNUM *priv_key = NULL, *order = NULL;
- EC_POINT *pub_key = NULL;
-
-#ifdef OPENSSL_FIPS
- if (FIPS_mode())
- return FIPS_ec_key_generate_key(eckey);
-#endif
-
- if (!eckey || !eckey->group) {
- ECerr(EC_F_EC_KEY_GENERATE_KEY, ERR_R_PASSED_NULL_PARAMETER);
- return 0;
- }
-
- if ((order = BN_new()) == NULL)
- goto err;
- if ((ctx = BN_CTX_new()) == NULL)
- goto err;
-
- if (eckey->priv_key == NULL) {
- priv_key = BN_new();
- if (priv_key == NULL)
- goto err;
- } else
- priv_key = eckey->priv_key;
-
- if (!EC_GROUP_get_order(eckey->group, order, ctx))
- goto err;
-
- do
- if (!BN_rand_range(priv_key, order))
- goto err;
- while (BN_is_zero(priv_key)) ;
-
- if (eckey->pub_key == NULL) {
- pub_key = EC_POINT_new(eckey->group);
- if (pub_key == NULL)
- goto err;
- } else
- pub_key = eckey->pub_key;
-
- if (!EC_POINT_mul(eckey->group, pub_key, priv_key, NULL, NULL, ctx))
- goto err;
-
- eckey->priv_key = priv_key;
- eckey->pub_key = pub_key;
-
- ok = 1;
-
- err:
- if (order)
- BN_free(order);
- if (pub_key != NULL && eckey->pub_key == NULL)
- EC_POINT_free(pub_key);
- if (priv_key != NULL && eckey->priv_key == NULL)
- BN_free(priv_key);
- if (ctx != NULL)
- BN_CTX_free(ctx);
- return (ok);
-}
-
-int EC_KEY_check_key(const EC_KEY *eckey)
-{
- int ok = 0;
- BN_CTX *ctx = NULL;
- const BIGNUM *order = NULL;
- EC_POINT *point = NULL;
-
- if (!eckey || !eckey->group || !eckey->pub_key) {
- ECerr(EC_F_EC_KEY_CHECK_KEY, ERR_R_PASSED_NULL_PARAMETER);
- return 0;
- }
-
- if (EC_POINT_is_at_infinity(eckey->group, eckey->pub_key)) {
- ECerr(EC_F_EC_KEY_CHECK_KEY, EC_R_POINT_AT_INFINITY);
- goto err;
- }
-
- if ((ctx = BN_CTX_new()) == NULL)
- goto err;
- if ((point = EC_POINT_new(eckey->group)) == NULL)
- goto err;
-
- /* testing whether the pub_key is on the elliptic curve */
- if (EC_POINT_is_on_curve(eckey->group, eckey->pub_key, ctx) <= 0) {
- ECerr(EC_F_EC_KEY_CHECK_KEY, EC_R_POINT_IS_NOT_ON_CURVE);
- goto err;
- }
- /* testing whether pub_key * order is the point at infinity */
- order = &eckey->group->order;
- if (BN_is_zero(order)) {
- ECerr(EC_F_EC_KEY_CHECK_KEY, EC_R_INVALID_GROUP_ORDER);
- goto err;
- }
- if (!EC_POINT_mul(eckey->group, point, NULL, eckey->pub_key, order, ctx)) {
- ECerr(EC_F_EC_KEY_CHECK_KEY, ERR_R_EC_LIB);
- goto err;
- }
- if (!EC_POINT_is_at_infinity(eckey->group, point)) {
- ECerr(EC_F_EC_KEY_CHECK_KEY, EC_R_WRONG_ORDER);
- goto err;
- }
- /*
- * in case the priv_key is present : check if generator * priv_key ==
- * pub_key
- */
- if (eckey->priv_key) {
- if (BN_cmp(eckey->priv_key, order) >= 0) {
- ECerr(EC_F_EC_KEY_CHECK_KEY, EC_R_WRONG_ORDER);
- goto err;
- }
- if (!EC_POINT_mul(eckey->group, point, eckey->priv_key,
- NULL, NULL, ctx)) {
- ECerr(EC_F_EC_KEY_CHECK_KEY, ERR_R_EC_LIB);
- goto err;
- }
- if (EC_POINT_cmp(eckey->group, point, eckey->pub_key, ctx) != 0) {
- ECerr(EC_F_EC_KEY_CHECK_KEY, EC_R_INVALID_PRIVATE_KEY);
- goto err;
- }
- }
- ok = 1;
- err:
- if (ctx != NULL)
- BN_CTX_free(ctx);
- if (point != NULL)
- EC_POINT_free(point);
- return (ok);
-}
-
-int EC_KEY_set_public_key_affine_coordinates(EC_KEY *key, BIGNUM *x,
- BIGNUM *y)
-{
- BN_CTX *ctx = NULL;
- BIGNUM *tx, *ty;
- EC_POINT *point = NULL;
- int ok = 0;
-#ifndef OPENSSL_NO_EC2M
- int tmp_nid, is_char_two = 0;
-#endif
-
- if (!key || !key->group || !x || !y) {
- ECerr(EC_F_EC_KEY_SET_PUBLIC_KEY_AFFINE_COORDINATES,
- ERR_R_PASSED_NULL_PARAMETER);
- return 0;
- }
- ctx = BN_CTX_new();
- if (ctx == NULL)
- return 0;
- BN_CTX_start(ctx);
- point = EC_POINT_new(key->group);
-
- if (!point)
- goto err;
-
- tx = BN_CTX_get(ctx);
- ty = BN_CTX_get(ctx);
- if (ty == NULL)
- goto err;
-
-#ifndef OPENSSL_NO_EC2M
- tmp_nid = EC_METHOD_get_field_type(EC_GROUP_method_of(key->group));
-
- if (tmp_nid == NID_X9_62_characteristic_two_field)
- is_char_two = 1;
-
- if (is_char_two) {
- if (!EC_POINT_set_affine_coordinates_GF2m(key->group, point,
- x, y, ctx))
- goto err;
- if (!EC_POINT_get_affine_coordinates_GF2m(key->group, point,
- tx, ty, ctx))
- goto err;
- } else
-#endif
- {
- if (!EC_POINT_set_affine_coordinates_GFp(key->group, point,
- x, y, ctx))
- goto err;
- if (!EC_POINT_get_affine_coordinates_GFp(key->group, point,
- tx, ty, ctx))
- goto err;
- }
- /*
- * Check if retrieved coordinates match originals: if not values are out
- * of range.
- */
- if (BN_cmp(x, tx) || BN_cmp(y, ty)) {
- ECerr(EC_F_EC_KEY_SET_PUBLIC_KEY_AFFINE_COORDINATES,
- EC_R_COORDINATES_OUT_OF_RANGE);
- goto err;
- }
-
- if (!EC_KEY_set_public_key(key, point))
- goto err;
-
- if (EC_KEY_check_key(key) == 0)
- goto err;
-
- ok = 1;
-
- err:
- BN_CTX_end(ctx);
- BN_CTX_free(ctx);
- EC_POINT_free(point);
- return ok;
-
-}
-
-const EC_GROUP *EC_KEY_get0_group(const EC_KEY *key)
-{
- return key->group;
-}
-
-int EC_KEY_set_group(EC_KEY *key, const EC_GROUP *group)
-{
- if (key->group != NULL)
- EC_GROUP_free(key->group);
- key->group = EC_GROUP_dup(group);
- return (key->group == NULL) ? 0 : 1;
-}
-
-const BIGNUM *EC_KEY_get0_private_key(const EC_KEY *key)
-{
- return key->priv_key;
-}
-
-int EC_KEY_set_private_key(EC_KEY *key, const BIGNUM *priv_key)
-{
- if (key->priv_key)
- BN_clear_free(key->priv_key);
- key->priv_key = BN_dup(priv_key);
- return (key->priv_key == NULL) ? 0 : 1;
-}
-
-const EC_POINT *EC_KEY_get0_public_key(const EC_KEY *key)
-{
- return key->pub_key;
-}
-
-int EC_KEY_set_public_key(EC_KEY *key, const EC_POINT *pub_key)
-{
- if (key->pub_key != NULL)
- EC_POINT_free(key->pub_key);
- key->pub_key = EC_POINT_dup(pub_key, key->group);
- return (key->pub_key == NULL) ? 0 : 1;
-}
-
-unsigned int EC_KEY_get_enc_flags(const EC_KEY *key)
-{
- return key->enc_flag;
-}
-
-void EC_KEY_set_enc_flags(EC_KEY *key, unsigned int flags)
-{
- key->enc_flag = flags;
-}
-
-point_conversion_form_t EC_KEY_get_conv_form(const EC_KEY *key)
-{
- return key->conv_form;
-}
-
-void EC_KEY_set_conv_form(EC_KEY *key, point_conversion_form_t cform)
-{
- key->conv_form = cform;
- if (key->group != NULL)
- EC_GROUP_set_point_conversion_form(key->group, cform);
-}
-
-void *EC_KEY_get_key_method_data(EC_KEY *key,
- void *(*dup_func) (void *),
- void (*free_func) (void *),
- void (*clear_free_func) (void *))
-{
- void *ret;
-
- CRYPTO_r_lock(CRYPTO_LOCK_EC);
- ret =
- EC_EX_DATA_get_data(key->method_data, dup_func, free_func,
- clear_free_func);
- CRYPTO_r_unlock(CRYPTO_LOCK_EC);
-
- return ret;
-}
-
-void *EC_KEY_insert_key_method_data(EC_KEY *key, void *data,
- void *(*dup_func) (void *),
- void (*free_func) (void *),
- void (*clear_free_func) (void *))
-{
- EC_EXTRA_DATA *ex_data;
-
- CRYPTO_w_lock(CRYPTO_LOCK_EC);
- ex_data =
- EC_EX_DATA_get_data(key->method_data, dup_func, free_func,
- clear_free_func);
- if (ex_data == NULL)
- EC_EX_DATA_set_data(&key->method_data, data, dup_func, free_func,
- clear_free_func);
- CRYPTO_w_unlock(CRYPTO_LOCK_EC);
-
- return ex_data;
-}
-
-void EC_KEY_set_asn1_flag(EC_KEY *key, int flag)
-{
- if (key->group != NULL)
- EC_GROUP_set_asn1_flag(key->group, flag);
-}
-
-int EC_KEY_precompute_mult(EC_KEY *key, BN_CTX *ctx)
-{
- if (key->group == NULL)
- return 0;
- return EC_GROUP_precompute_mult(key->group, ctx);
-}
-
-int EC_KEY_get_flags(const EC_KEY *key)
-{
- return key->flags;
-}
-
-void EC_KEY_set_flags(EC_KEY *key, int flags)
-{
- key->flags |= flags;
-}
-
-void EC_KEY_clear_flags(EC_KEY *key, int flags)
-{
- key->flags &= ~flags;
-}
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