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Diffstat (limited to 'third_party/boringssl/src/crypto/ec/ec_key.c')
-rw-r--r--third_party/boringssl/src/crypto/ec/ec_key.c503
1 files changed, 0 insertions, 503 deletions
diff --git a/third_party/boringssl/src/crypto/ec/ec_key.c b/third_party/boringssl/src/crypto/ec/ec_key.c
deleted file mode 100644
index 0defa98ab9..0000000000
--- a/third_party/boringssl/src/crypto/ec/ec_key.c
+++ /dev/null
@@ -1,503 +0,0 @@
-/* Originally written by Bodo Moeller 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 of the attached software ("Contribution") are developed by
- * SUN MICROSYSTEMS, INC., and are contributed to the OpenSSL project.
- *
- * The Contribution is licensed pursuant to the OpenSSL open source
- * license provided above.
- *
- * The elliptic curve binary polynomial software is originally written by
- * Sheueling Chang Shantz and Douglas Stebila of Sun Microsystems
- * Laboratories. */
-
-#include <openssl/ec_key.h>
-
-#include <string.h>
-
-#include <openssl/ec.h>
-#include <openssl/engine.h>
-#include <openssl/err.h>
-#include <openssl/ex_data.h>
-#include <openssl/mem.h>
-#include <openssl/thread.h>
-
-#include "internal.h"
-#include "../internal.h"
-
-
-static CRYPTO_EX_DATA_CLASS g_ex_data_class = CRYPTO_EX_DATA_CLASS_INIT;
-
-EC_KEY *EC_KEY_new(void) { return EC_KEY_new_method(NULL); }
-
-EC_KEY *EC_KEY_new_method(const ENGINE *engine) {
- EC_KEY *ret = (EC_KEY *)OPENSSL_malloc(sizeof(EC_KEY));
- if (ret == NULL) {
- OPENSSL_PUT_ERROR(EC, ERR_R_MALLOC_FAILURE);
- return NULL;
- }
-
- memset(ret, 0, sizeof(EC_KEY));
-
- if (engine) {
- ret->ecdsa_meth = ENGINE_get_ECDSA_method(engine);
- }
- if (ret->ecdsa_meth) {
- METHOD_ref(ret->ecdsa_meth);
- }
-
- ret->version = 1;
- ret->conv_form = POINT_CONVERSION_UNCOMPRESSED;
- ret->references = 1;
-
- if (!CRYPTO_new_ex_data(&g_ex_data_class, ret, &ret->ex_data)) {
- goto err1;
- }
-
- if (ret->ecdsa_meth && ret->ecdsa_meth->init && !ret->ecdsa_meth->init(ret)) {
- goto err2;
- }
-
- return ret;
-
-err2:
- CRYPTO_free_ex_data(&g_ex_data_class, ret, &ret->ex_data);
-err1:
- if (ret->ecdsa_meth) {
- METHOD_unref(ret->ecdsa_meth);
- }
- OPENSSL_free(ret);
- return NULL;
-}
-
-EC_KEY *EC_KEY_new_by_curve_name(int nid) {
- EC_KEY *ret = EC_KEY_new();
- if (ret == NULL) {
- OPENSSL_PUT_ERROR(EC, ERR_R_MALLOC_FAILURE);
- 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) {
- if (r == NULL) {
- return;
- }
-
- if (!CRYPTO_refcount_dec_and_test_zero(&r->references)) {
- return;
- }
-
- if (r->ecdsa_meth) {
- if (r->ecdsa_meth->finish) {
- r->ecdsa_meth->finish(r);
- }
- METHOD_unref(r->ecdsa_meth);
- }
-
- EC_GROUP_free(r->group);
- EC_POINT_free(r->pub_key);
- BN_clear_free(r->priv_key);
-
- CRYPTO_free_ex_data(&g_ex_data_class, r, &r->ex_data);
-
- OPENSSL_cleanse((void *)r, sizeof(EC_KEY));
- OPENSSL_free(r);
-}
-
-EC_KEY *EC_KEY_copy(EC_KEY *dest, const EC_KEY *src) {
- if (dest == NULL || src == NULL) {
- OPENSSL_PUT_ERROR(EC, ERR_R_PASSED_NULL_PARAMETER);
- return NULL;
- }
- /* Copy the parameters. */
- if (src->group) {
- /* TODO(fork): duplicating the group seems wasteful. */
- EC_GROUP_free(dest->group);
- dest->group = EC_GROUP_dup(src->group);
- if (dest->group == NULL) {
- return NULL;
- }
- }
-
- /* Copy the public key. */
- if (src->pub_key && src->group) {
- EC_POINT_free(dest->pub_key);
- dest->pub_key = EC_POINT_dup(src->pub_key, src->group);
- if (dest->pub_key == NULL) {
- 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 */
- if (src->ecdsa_meth) {
- METHOD_unref(dest->ecdsa_meth);
- dest->ecdsa_meth = src->ecdsa_meth;
- METHOD_ref(dest->ecdsa_meth);
- }
- CRYPTO_free_ex_data(&g_ex_data_class, dest, &dest->ex_data);
- if (!CRYPTO_dup_ex_data(&g_ex_data_class, &dest->ex_data,
- &src->ex_data)) {
- return NULL;
- }
-
- /* 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) {
- CRYPTO_refcount_inc(&r->references);
- return 1;
-}
-
-int EC_KEY_is_opaque(const EC_KEY *key) {
- return key->ecdsa_meth && (key->ecdsa_meth->flags & ECDSA_FLAG_OPAQUE);
-}
-
-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) {
- EC_GROUP_free(key->group);
- /* TODO(fork): duplicating the group seems wasteful but see
- * |EC_KEY_set_conv_form|. */
- 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) {
- 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) {
- 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;
-}
-
-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_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) {
- OPENSSL_PUT_ERROR(EC, ERR_R_PASSED_NULL_PARAMETER);
- return 0;
- }
-
- if (EC_POINT_is_at_infinity(eckey->group, eckey->pub_key)) {
- OPENSSL_PUT_ERROR(EC, EC_R_POINT_AT_INFINITY);
- goto err;
- }
-
- ctx = BN_CTX_new();
- point = EC_POINT_new(eckey->group);
-
- if (ctx == NULL ||
- point == 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)) {
- OPENSSL_PUT_ERROR(EC, EC_R_POINT_IS_NOT_ON_CURVE);
- goto err;
- }
- /* testing whether pub_key * order is the point at infinity */
- /* TODO(fork): can this be skipped if the cofactor is one or if we're about
- * to check the private key, below? */
- order = &eckey->group->order;
- if (BN_is_zero(order)) {
- OPENSSL_PUT_ERROR(EC, EC_R_INVALID_GROUP_ORDER);
- goto err;
- }
- if (!EC_POINT_mul(eckey->group, point, NULL, eckey->pub_key, order, ctx)) {
- OPENSSL_PUT_ERROR(EC, ERR_R_EC_LIB);
- goto err;
- }
- if (!EC_POINT_is_at_infinity(eckey->group, point)) {
- OPENSSL_PUT_ERROR(EC, 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) {
- OPENSSL_PUT_ERROR(EC, EC_R_WRONG_ORDER);
- goto err;
- }
- if (!EC_POINT_mul(eckey->group, point, eckey->priv_key, NULL, NULL, ctx)) {
- OPENSSL_PUT_ERROR(EC, ERR_R_EC_LIB);
- goto err;
- }
- if (EC_POINT_cmp(eckey->group, point, eckey->pub_key, ctx) != 0) {
- OPENSSL_PUT_ERROR(EC, EC_R_INVALID_PRIVATE_KEY);
- goto err;
- }
- }
- ok = 1;
-
-err:
- BN_CTX_free(ctx);
- 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;
-
- if (!key || !key->group || !x || !y) {
- OPENSSL_PUT_ERROR(EC, ERR_R_PASSED_NULL_PARAMETER);
- return 0;
- }
- ctx = BN_CTX_new();
- point = EC_POINT_new(key->group);
-
- if (ctx == NULL ||
- point == NULL) {
- goto err;
- }
-
- tx = BN_CTX_get(ctx);
- ty = BN_CTX_get(ctx);
-
- if (!EC_POINT_set_affine_coordinates_GFp(key->group, point, x, y, ctx) ||
- !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)) {
- OPENSSL_PUT_ERROR(EC, 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_free(ctx);
- EC_POINT_free(point);
- return ok;
-}
-
-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;
-
- if (!eckey || !eckey->group) {
- OPENSSL_PUT_ERROR(EC, ERR_R_PASSED_NULL_PARAMETER);
- return 0;
- }
-
- order = BN_new();
- ctx = BN_CTX_new();
-
- if (order == NULL ||
- ctx == 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:
- BN_free(order);
- if (eckey->pub_key == NULL) {
- EC_POINT_free(pub_key);
- }
- if (eckey->priv_key == NULL) {
- BN_free(priv_key);
- }
- BN_CTX_free(ctx);
- return ok;
-}
-
-int EC_KEY_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func,
- CRYPTO_EX_dup *dup_func,
- CRYPTO_EX_free *free_func) {
- int index;
- if (!CRYPTO_get_ex_new_index(&g_ex_data_class, &index, argl, argp, new_func,
- dup_func, free_func)) {
- return -1;
- }
- return index;
-}
-
-int EC_KEY_set_ex_data(EC_KEY *d, int idx, void *arg) {
- return CRYPTO_set_ex_data(&d->ex_data, idx, arg);
-}
-
-void *EC_KEY_get_ex_data(const EC_KEY *d, int idx) {
- return CRYPTO_get_ex_data(&d->ex_data, idx);
-}
-
-void EC_KEY_set_asn1_flag(EC_KEY *key, int flag) {}
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