Index: openssl/crypto/ec/ec_lib.c |
diff --git a/openssl/crypto/ec/ec_lib.c b/openssl/crypto/ec/ec_lib.c |
deleted file mode 100644 |
index 25247b580332fe67cabea5cf668118154131bba8..0000000000000000000000000000000000000000 |
--- a/openssl/crypto/ec/ec_lib.c |
+++ /dev/null |
@@ -1,1096 +0,0 @@ |
-/* crypto/ec/ec_lib.c */ |
-/* |
- * Originally written by Bodo Moeller for the OpenSSL project. |
- */ |
-/* ==================================================================== |
- * Copyright (c) 1998-2003 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. |
- * Binary polynomial ECC support in OpenSSL originally developed by |
- * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project. |
- */ |
- |
-#include <string.h> |
- |
-#include <openssl/err.h> |
-#include <openssl/opensslv.h> |
- |
-#include "ec_lcl.h" |
- |
-static const char EC_version[] = "EC" OPENSSL_VERSION_PTEXT; |
- |
- |
-/* functions for EC_GROUP objects */ |
- |
-EC_GROUP *EC_GROUP_new(const EC_METHOD *meth) |
- { |
- EC_GROUP *ret; |
- |
- if (meth == NULL) |
- { |
- ECerr(EC_F_EC_GROUP_NEW, EC_R_SLOT_FULL); |
- return NULL; |
- } |
- if (meth->group_init == 0) |
- { |
- ECerr(EC_F_EC_GROUP_NEW, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); |
- return NULL; |
- } |
- |
- ret = OPENSSL_malloc(sizeof *ret); |
- if (ret == NULL) |
- { |
- ECerr(EC_F_EC_GROUP_NEW, ERR_R_MALLOC_FAILURE); |
- return NULL; |
- } |
- |
- ret->meth = meth; |
- |
- ret->extra_data = NULL; |
- |
- ret->generator = NULL; |
- BN_init(&ret->order); |
- BN_init(&ret->cofactor); |
- |
- ret->curve_name = 0; |
- ret->asn1_flag = 0; |
- ret->asn1_form = POINT_CONVERSION_UNCOMPRESSED; |
- |
- ret->seed = NULL; |
- ret->seed_len = 0; |
- |
- if (!meth->group_init(ret)) |
- { |
- OPENSSL_free(ret); |
- return NULL; |
- } |
- |
- return ret; |
- } |
- |
- |
-void EC_GROUP_free(EC_GROUP *group) |
- { |
- if (!group) return; |
- |
- if (group->meth->group_finish != 0) |
- group->meth->group_finish(group); |
- |
- EC_EX_DATA_free_all_data(&group->extra_data); |
- |
- if (group->generator != NULL) |
- EC_POINT_free(group->generator); |
- BN_free(&group->order); |
- BN_free(&group->cofactor); |
- |
- if (group->seed) |
- OPENSSL_free(group->seed); |
- |
- OPENSSL_free(group); |
- } |
- |
- |
-void EC_GROUP_clear_free(EC_GROUP *group) |
- { |
- if (!group) return; |
- |
- if (group->meth->group_clear_finish != 0) |
- group->meth->group_clear_finish(group); |
- else if (group->meth->group_finish != 0) |
- group->meth->group_finish(group); |
- |
- EC_EX_DATA_clear_free_all_data(&group->extra_data); |
- |
- if (group->generator != NULL) |
- EC_POINT_clear_free(group->generator); |
- BN_clear_free(&group->order); |
- BN_clear_free(&group->cofactor); |
- |
- if (group->seed) |
- { |
- OPENSSL_cleanse(group->seed, group->seed_len); |
- OPENSSL_free(group->seed); |
- } |
- |
- OPENSSL_cleanse(group, sizeof *group); |
- OPENSSL_free(group); |
- } |
- |
- |
-int EC_GROUP_copy(EC_GROUP *dest, const EC_GROUP *src) |
- { |
- EC_EXTRA_DATA *d; |
- |
- if (dest->meth->group_copy == 0) |
- { |
- ECerr(EC_F_EC_GROUP_COPY, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); |
- return 0; |
- } |
- if (dest->meth != src->meth) |
- { |
- ECerr(EC_F_EC_GROUP_COPY, EC_R_INCOMPATIBLE_OBJECTS); |
- return 0; |
- } |
- if (dest == src) |
- return 1; |
- |
- EC_EX_DATA_free_all_data(&dest->extra_data); |
- |
- for (d = src->extra_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->extra_data, t, d->dup_func, d->free_func, d->clear_free_func)) |
- return 0; |
- } |
- |
- if (src->generator != NULL) |
- { |
- if (dest->generator == NULL) |
- { |
- dest->generator = EC_POINT_new(dest); |
- if (dest->generator == NULL) return 0; |
- } |
- if (!EC_POINT_copy(dest->generator, src->generator)) return 0; |
- } |
- else |
- { |
- /* src->generator == NULL */ |
- if (dest->generator != NULL) |
- { |
- EC_POINT_clear_free(dest->generator); |
- dest->generator = NULL; |
- } |
- } |
- |
- if (!BN_copy(&dest->order, &src->order)) return 0; |
- if (!BN_copy(&dest->cofactor, &src->cofactor)) return 0; |
- |
- dest->curve_name = src->curve_name; |
- dest->asn1_flag = src->asn1_flag; |
- dest->asn1_form = src->asn1_form; |
- |
- if (src->seed) |
- { |
- if (dest->seed) |
- OPENSSL_free(dest->seed); |
- dest->seed = OPENSSL_malloc(src->seed_len); |
- if (dest->seed == NULL) |
- return 0; |
- if (!memcpy(dest->seed, src->seed, src->seed_len)) |
- return 0; |
- dest->seed_len = src->seed_len; |
- } |
- else |
- { |
- if (dest->seed) |
- OPENSSL_free(dest->seed); |
- dest->seed = NULL; |
- dest->seed_len = 0; |
- } |
- |
- |
- return dest->meth->group_copy(dest, src); |
- } |
- |
- |
-EC_GROUP *EC_GROUP_dup(const EC_GROUP *a) |
- { |
- EC_GROUP *t = NULL; |
- int ok = 0; |
- |
- if (a == NULL) return NULL; |
- |
- if ((t = EC_GROUP_new(a->meth)) == NULL) return(NULL); |
- if (!EC_GROUP_copy(t, a)) goto err; |
- |
- ok = 1; |
- |
- err: |
- if (!ok) |
- { |
- if (t) EC_GROUP_free(t); |
- return NULL; |
- } |
- else return t; |
- } |
- |
- |
-const EC_METHOD *EC_GROUP_method_of(const EC_GROUP *group) |
- { |
- return group->meth; |
- } |
- |
- |
-int EC_METHOD_get_field_type(const EC_METHOD *meth) |
- { |
- return meth->field_type; |
- } |
- |
- |
-int EC_GROUP_set_generator(EC_GROUP *group, const EC_POINT *generator, const BIGNUM *order, const BIGNUM *cofactor) |
- { |
- if (generator == NULL) |
- { |
- ECerr(EC_F_EC_GROUP_SET_GENERATOR, ERR_R_PASSED_NULL_PARAMETER); |
- return 0 ; |
- } |
- |
- if (group->generator == NULL) |
- { |
- group->generator = EC_POINT_new(group); |
- if (group->generator == NULL) return 0; |
- } |
- if (!EC_POINT_copy(group->generator, generator)) return 0; |
- |
- if (order != NULL) |
- { if (!BN_copy(&group->order, order)) return 0; } |
- else |
- BN_zero(&group->order); |
- |
- if (cofactor != NULL) |
- { if (!BN_copy(&group->cofactor, cofactor)) return 0; } |
- else |
- BN_zero(&group->cofactor); |
- |
- return 1; |
- } |
- |
- |
-const EC_POINT *EC_GROUP_get0_generator(const EC_GROUP *group) |
- { |
- return group->generator; |
- } |
- |
- |
-int EC_GROUP_get_order(const EC_GROUP *group, BIGNUM *order, BN_CTX *ctx) |
- { |
- if (!BN_copy(order, &group->order)) |
- return 0; |
- |
- return !BN_is_zero(order); |
- } |
- |
- |
-int EC_GROUP_get_cofactor(const EC_GROUP *group, BIGNUM *cofactor, BN_CTX *ctx) |
- { |
- if (!BN_copy(cofactor, &group->cofactor)) |
- return 0; |
- |
- return !BN_is_zero(&group->cofactor); |
- } |
- |
- |
-void EC_GROUP_set_curve_name(EC_GROUP *group, int nid) |
- { |
- group->curve_name = nid; |
- } |
- |
- |
-int EC_GROUP_get_curve_name(const EC_GROUP *group) |
- { |
- return group->curve_name; |
- } |
- |
- |
-void EC_GROUP_set_asn1_flag(EC_GROUP *group, int flag) |
- { |
- group->asn1_flag = flag; |
- } |
- |
- |
-int EC_GROUP_get_asn1_flag(const EC_GROUP *group) |
- { |
- return group->asn1_flag; |
- } |
- |
- |
-void EC_GROUP_set_point_conversion_form(EC_GROUP *group, |
- point_conversion_form_t form) |
- { |
- group->asn1_form = form; |
- } |
- |
- |
-point_conversion_form_t EC_GROUP_get_point_conversion_form(const EC_GROUP *group) |
- { |
- return group->asn1_form; |
- } |
- |
- |
-size_t EC_GROUP_set_seed(EC_GROUP *group, const unsigned char *p, size_t len) |
- { |
- if (group->seed) |
- { |
- OPENSSL_free(group->seed); |
- group->seed = NULL; |
- group->seed_len = 0; |
- } |
- |
- if (!len || !p) |
- return 1; |
- |
- if ((group->seed = OPENSSL_malloc(len)) == NULL) |
- return 0; |
- memcpy(group->seed, p, len); |
- group->seed_len = len; |
- |
- return len; |
- } |
- |
- |
-unsigned char *EC_GROUP_get0_seed(const EC_GROUP *group) |
- { |
- return group->seed; |
- } |
- |
- |
-size_t EC_GROUP_get_seed_len(const EC_GROUP *group) |
- { |
- return group->seed_len; |
- } |
- |
- |
-int EC_GROUP_set_curve_GFp(EC_GROUP *group, const BIGNUM *p, const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx) |
- { |
- if (group->meth->group_set_curve == 0) |
- { |
- ECerr(EC_F_EC_GROUP_SET_CURVE_GFP, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); |
- return 0; |
- } |
- return group->meth->group_set_curve(group, p, a, b, ctx); |
- } |
- |
- |
-int EC_GROUP_get_curve_GFp(const EC_GROUP *group, BIGNUM *p, BIGNUM *a, BIGNUM *b, BN_CTX *ctx) |
- { |
- if (group->meth->group_get_curve == 0) |
- { |
- ECerr(EC_F_EC_GROUP_GET_CURVE_GFP, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); |
- return 0; |
- } |
- return group->meth->group_get_curve(group, p, a, b, ctx); |
- } |
- |
-#ifndef OPENSSL_NO_EC2M |
-int EC_GROUP_set_curve_GF2m(EC_GROUP *group, const BIGNUM *p, const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx) |
- { |
- if (group->meth->group_set_curve == 0) |
- { |
- ECerr(EC_F_EC_GROUP_SET_CURVE_GF2M, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); |
- return 0; |
- } |
- return group->meth->group_set_curve(group, p, a, b, ctx); |
- } |
- |
- |
-int EC_GROUP_get_curve_GF2m(const EC_GROUP *group, BIGNUM *p, BIGNUM *a, BIGNUM *b, BN_CTX *ctx) |
- { |
- if (group->meth->group_get_curve == 0) |
- { |
- ECerr(EC_F_EC_GROUP_GET_CURVE_GF2M, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); |
- return 0; |
- } |
- return group->meth->group_get_curve(group, p, a, b, ctx); |
- } |
-#endif |
- |
-int EC_GROUP_get_degree(const EC_GROUP *group) |
- { |
- if (group->meth->group_get_degree == 0) |
- { |
- ECerr(EC_F_EC_GROUP_GET_DEGREE, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); |
- return 0; |
- } |
- return group->meth->group_get_degree(group); |
- } |
- |
- |
-int EC_GROUP_check_discriminant(const EC_GROUP *group, BN_CTX *ctx) |
- { |
- if (group->meth->group_check_discriminant == 0) |
- { |
- ECerr(EC_F_EC_GROUP_CHECK_DISCRIMINANT, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); |
- return 0; |
- } |
- return group->meth->group_check_discriminant(group, ctx); |
- } |
- |
- |
-int EC_GROUP_cmp(const EC_GROUP *a, const EC_GROUP *b, BN_CTX *ctx) |
- { |
- int r = 0; |
- BIGNUM *a1, *a2, *a3, *b1, *b2, *b3; |
- BN_CTX *ctx_new = NULL; |
- |
- /* compare the field types*/ |
- if (EC_METHOD_get_field_type(EC_GROUP_method_of(a)) != |
- EC_METHOD_get_field_type(EC_GROUP_method_of(b))) |
- return 1; |
- /* compare the curve name (if present) */ |
- if (EC_GROUP_get_curve_name(a) && EC_GROUP_get_curve_name(b) && |
- EC_GROUP_get_curve_name(a) == EC_GROUP_get_curve_name(b)) |
- return 0; |
- |
- if (!ctx) |
- ctx_new = ctx = BN_CTX_new(); |
- if (!ctx) |
- return -1; |
- |
- BN_CTX_start(ctx); |
- a1 = BN_CTX_get(ctx); |
- a2 = BN_CTX_get(ctx); |
- a3 = BN_CTX_get(ctx); |
- b1 = BN_CTX_get(ctx); |
- b2 = BN_CTX_get(ctx); |
- b3 = BN_CTX_get(ctx); |
- if (!b3) |
- { |
- BN_CTX_end(ctx); |
- if (ctx_new) |
- BN_CTX_free(ctx); |
- return -1; |
- } |
- |
- /* XXX This approach assumes that the external representation |
- * of curves over the same field type is the same. |
- */ |
- if (!a->meth->group_get_curve(a, a1, a2, a3, ctx) || |
- !b->meth->group_get_curve(b, b1, b2, b3, ctx)) |
- r = 1; |
- |
- if (r || BN_cmp(a1, b1) || BN_cmp(a2, b2) || BN_cmp(a3, b3)) |
- r = 1; |
- |
- /* XXX EC_POINT_cmp() assumes that the methods are equal */ |
- if (r || EC_POINT_cmp(a, EC_GROUP_get0_generator(a), |
- EC_GROUP_get0_generator(b), ctx)) |
- r = 1; |
- |
- if (!r) |
- { |
- /* compare the order and cofactor */ |
- if (!EC_GROUP_get_order(a, a1, ctx) || |
- !EC_GROUP_get_order(b, b1, ctx) || |
- !EC_GROUP_get_cofactor(a, a2, ctx) || |
- !EC_GROUP_get_cofactor(b, b2, ctx)) |
- { |
- BN_CTX_end(ctx); |
- if (ctx_new) |
- BN_CTX_free(ctx); |
- return -1; |
- } |
- if (BN_cmp(a1, b1) || BN_cmp(a2, b2)) |
- r = 1; |
- } |
- |
- BN_CTX_end(ctx); |
- if (ctx_new) |
- BN_CTX_free(ctx); |
- |
- return r; |
- } |
- |
- |
-/* this has 'package' visibility */ |
-int EC_EX_DATA_set_data(EC_EXTRA_DATA **ex_data, void *data, |
- void *(*dup_func)(void *), void (*free_func)(void *), void (*clear_free_func)(void *)) |
- { |
- EC_EXTRA_DATA *d; |
- |
- if (ex_data == NULL) |
- return 0; |
- |
- for (d = *ex_data; d != NULL; d = d->next) |
- { |
- if (d->dup_func == dup_func && d->free_func == free_func && d->clear_free_func == clear_free_func) |
- { |
- ECerr(EC_F_EC_EX_DATA_SET_DATA, EC_R_SLOT_FULL); |
- return 0; |
- } |
- } |
- |
- if (data == NULL) |
- /* no explicit entry needed */ |
- return 1; |
- |
- d = OPENSSL_malloc(sizeof *d); |
- if (d == NULL) |
- return 0; |
- |
- d->data = data; |
- d->dup_func = dup_func; |
- d->free_func = free_func; |
- d->clear_free_func = clear_free_func; |
- |
- d->next = *ex_data; |
- *ex_data = d; |
- |
- return 1; |
- } |
- |
-/* this has 'package' visibility */ |
-void *EC_EX_DATA_get_data(const EC_EXTRA_DATA *ex_data, |
- void *(*dup_func)(void *), void (*free_func)(void *), void (*clear_free_func)(void *)) |
- { |
- const EC_EXTRA_DATA *d; |
- |
- for (d = ex_data; d != NULL; d = d->next) |
- { |
- if (d->dup_func == dup_func && d->free_func == free_func && d->clear_free_func == clear_free_func) |
- return d->data; |
- } |
- |
- return NULL; |
- } |
- |
-/* this has 'package' visibility */ |
-void EC_EX_DATA_free_data(EC_EXTRA_DATA **ex_data, |
- void *(*dup_func)(void *), void (*free_func)(void *), void (*clear_free_func)(void *)) |
- { |
- EC_EXTRA_DATA **p; |
- |
- if (ex_data == NULL) |
- return; |
- |
- for (p = ex_data; *p != NULL; p = &((*p)->next)) |
- { |
- if ((*p)->dup_func == dup_func && (*p)->free_func == free_func && (*p)->clear_free_func == clear_free_func) |
- { |
- EC_EXTRA_DATA *next = (*p)->next; |
- |
- (*p)->free_func((*p)->data); |
- OPENSSL_free(*p); |
- |
- *p = next; |
- return; |
- } |
- } |
- } |
- |
-/* this has 'package' visibility */ |
-void EC_EX_DATA_clear_free_data(EC_EXTRA_DATA **ex_data, |
- void *(*dup_func)(void *), void (*free_func)(void *), void (*clear_free_func)(void *)) |
- { |
- EC_EXTRA_DATA **p; |
- |
- if (ex_data == NULL) |
- return; |
- |
- for (p = ex_data; *p != NULL; p = &((*p)->next)) |
- { |
- if ((*p)->dup_func == dup_func && (*p)->free_func == free_func && (*p)->clear_free_func == clear_free_func) |
- { |
- EC_EXTRA_DATA *next = (*p)->next; |
- |
- (*p)->clear_free_func((*p)->data); |
- OPENSSL_free(*p); |
- |
- *p = next; |
- return; |
- } |
- } |
- } |
- |
-/* this has 'package' visibility */ |
-void EC_EX_DATA_free_all_data(EC_EXTRA_DATA **ex_data) |
- { |
- EC_EXTRA_DATA *d; |
- |
- if (ex_data == NULL) |
- return; |
- |
- d = *ex_data; |
- while (d) |
- { |
- EC_EXTRA_DATA *next = d->next; |
- |
- d->free_func(d->data); |
- OPENSSL_free(d); |
- |
- d = next; |
- } |
- *ex_data = NULL; |
- } |
- |
-/* this has 'package' visibility */ |
-void EC_EX_DATA_clear_free_all_data(EC_EXTRA_DATA **ex_data) |
- { |
- EC_EXTRA_DATA *d; |
- |
- if (ex_data == NULL) |
- return; |
- |
- d = *ex_data; |
- while (d) |
- { |
- EC_EXTRA_DATA *next = d->next; |
- |
- d->clear_free_func(d->data); |
- OPENSSL_free(d); |
- |
- d = next; |
- } |
- *ex_data = NULL; |
- } |
- |
- |
-/* functions for EC_POINT objects */ |
- |
-EC_POINT *EC_POINT_new(const EC_GROUP *group) |
- { |
- EC_POINT *ret; |
- |
- if (group == NULL) |
- { |
- ECerr(EC_F_EC_POINT_NEW, ERR_R_PASSED_NULL_PARAMETER); |
- return NULL; |
- } |
- if (group->meth->point_init == 0) |
- { |
- ECerr(EC_F_EC_POINT_NEW, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); |
- return NULL; |
- } |
- |
- ret = OPENSSL_malloc(sizeof *ret); |
- if (ret == NULL) |
- { |
- ECerr(EC_F_EC_POINT_NEW, ERR_R_MALLOC_FAILURE); |
- return NULL; |
- } |
- |
- ret->meth = group->meth; |
- |
- if (!ret->meth->point_init(ret)) |
- { |
- OPENSSL_free(ret); |
- return NULL; |
- } |
- |
- return ret; |
- } |
- |
- |
-void EC_POINT_free(EC_POINT *point) |
- { |
- if (!point) return; |
- |
- if (point->meth->point_finish != 0) |
- point->meth->point_finish(point); |
- OPENSSL_free(point); |
- } |
- |
- |
-void EC_POINT_clear_free(EC_POINT *point) |
- { |
- if (!point) return; |
- |
- if (point->meth->point_clear_finish != 0) |
- point->meth->point_clear_finish(point); |
- else if (point->meth->point_finish != 0) |
- point->meth->point_finish(point); |
- OPENSSL_cleanse(point, sizeof *point); |
- OPENSSL_free(point); |
- } |
- |
- |
-int EC_POINT_copy(EC_POINT *dest, const EC_POINT *src) |
- { |
- if (dest->meth->point_copy == 0) |
- { |
- ECerr(EC_F_EC_POINT_COPY, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); |
- return 0; |
- } |
- if (dest->meth != src->meth) |
- { |
- ECerr(EC_F_EC_POINT_COPY, EC_R_INCOMPATIBLE_OBJECTS); |
- return 0; |
- } |
- if (dest == src) |
- return 1; |
- return dest->meth->point_copy(dest, src); |
- } |
- |
- |
-EC_POINT *EC_POINT_dup(const EC_POINT *a, const EC_GROUP *group) |
- { |
- EC_POINT *t; |
- int r; |
- |
- if (a == NULL) return NULL; |
- |
- t = EC_POINT_new(group); |
- if (t == NULL) return(NULL); |
- r = EC_POINT_copy(t, a); |
- if (!r) |
- { |
- EC_POINT_free(t); |
- return NULL; |
- } |
- else return t; |
- } |
- |
- |
-const EC_METHOD *EC_POINT_method_of(const EC_POINT *point) |
- { |
- return point->meth; |
- } |
- |
- |
-int EC_POINT_set_to_infinity(const EC_GROUP *group, EC_POINT *point) |
- { |
- if (group->meth->point_set_to_infinity == 0) |
- { |
- ECerr(EC_F_EC_POINT_SET_TO_INFINITY, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); |
- return 0; |
- } |
- if (group->meth != point->meth) |
- { |
- ECerr(EC_F_EC_POINT_SET_TO_INFINITY, EC_R_INCOMPATIBLE_OBJECTS); |
- return 0; |
- } |
- return group->meth->point_set_to_infinity(group, point); |
- } |
- |
- |
-int EC_POINT_set_Jprojective_coordinates_GFp(const EC_GROUP *group, EC_POINT *point, |
- const BIGNUM *x, const BIGNUM *y, const BIGNUM *z, BN_CTX *ctx) |
- { |
- if (group->meth->point_set_Jprojective_coordinates_GFp == 0) |
- { |
- ECerr(EC_F_EC_POINT_SET_JPROJECTIVE_COORDINATES_GFP, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); |
- return 0; |
- } |
- if (group->meth != point->meth) |
- { |
- ECerr(EC_F_EC_POINT_SET_JPROJECTIVE_COORDINATES_GFP, EC_R_INCOMPATIBLE_OBJECTS); |
- return 0; |
- } |
- return group->meth->point_set_Jprojective_coordinates_GFp(group, point, x, y, z, ctx); |
- } |
- |
- |
-int EC_POINT_get_Jprojective_coordinates_GFp(const EC_GROUP *group, const EC_POINT *point, |
- BIGNUM *x, BIGNUM *y, BIGNUM *z, BN_CTX *ctx) |
- { |
- if (group->meth->point_get_Jprojective_coordinates_GFp == 0) |
- { |
- ECerr(EC_F_EC_POINT_GET_JPROJECTIVE_COORDINATES_GFP, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); |
- return 0; |
- } |
- if (group->meth != point->meth) |
- { |
- ECerr(EC_F_EC_POINT_GET_JPROJECTIVE_COORDINATES_GFP, EC_R_INCOMPATIBLE_OBJECTS); |
- return 0; |
- } |
- return group->meth->point_get_Jprojective_coordinates_GFp(group, point, x, y, z, ctx); |
- } |
- |
- |
-int EC_POINT_set_affine_coordinates_GFp(const EC_GROUP *group, EC_POINT *point, |
- const BIGNUM *x, const BIGNUM *y, BN_CTX *ctx) |
- { |
- if (group->meth->point_set_affine_coordinates == 0) |
- { |
- ECerr(EC_F_EC_POINT_SET_AFFINE_COORDINATES_GFP, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); |
- return 0; |
- } |
- if (group->meth != point->meth) |
- { |
- ECerr(EC_F_EC_POINT_SET_AFFINE_COORDINATES_GFP, EC_R_INCOMPATIBLE_OBJECTS); |
- return 0; |
- } |
- return group->meth->point_set_affine_coordinates(group, point, x, y, ctx); |
- } |
- |
-#ifndef OPENSSL_NO_EC2M |
-int EC_POINT_set_affine_coordinates_GF2m(const EC_GROUP *group, EC_POINT *point, |
- const BIGNUM *x, const BIGNUM *y, BN_CTX *ctx) |
- { |
- if (group->meth->point_set_affine_coordinates == 0) |
- { |
- ECerr(EC_F_EC_POINT_SET_AFFINE_COORDINATES_GF2M, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); |
- return 0; |
- } |
- if (group->meth != point->meth) |
- { |
- ECerr(EC_F_EC_POINT_SET_AFFINE_COORDINATES_GF2M, EC_R_INCOMPATIBLE_OBJECTS); |
- return 0; |
- } |
- return group->meth->point_set_affine_coordinates(group, point, x, y, ctx); |
- } |
-#endif |
- |
-int EC_POINT_get_affine_coordinates_GFp(const EC_GROUP *group, const EC_POINT *point, |
- BIGNUM *x, BIGNUM *y, BN_CTX *ctx) |
- { |
- if (group->meth->point_get_affine_coordinates == 0) |
- { |
- ECerr(EC_F_EC_POINT_GET_AFFINE_COORDINATES_GFP, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); |
- return 0; |
- } |
- if (group->meth != point->meth) |
- { |
- ECerr(EC_F_EC_POINT_GET_AFFINE_COORDINATES_GFP, EC_R_INCOMPATIBLE_OBJECTS); |
- return 0; |
- } |
- return group->meth->point_get_affine_coordinates(group, point, x, y, ctx); |
- } |
- |
-#ifndef OPENSSL_NO_EC2M |
-int EC_POINT_get_affine_coordinates_GF2m(const EC_GROUP *group, const EC_POINT *point, |
- BIGNUM *x, BIGNUM *y, BN_CTX *ctx) |
- { |
- if (group->meth->point_get_affine_coordinates == 0) |
- { |
- ECerr(EC_F_EC_POINT_GET_AFFINE_COORDINATES_GF2M, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); |
- return 0; |
- } |
- if (group->meth != point->meth) |
- { |
- ECerr(EC_F_EC_POINT_GET_AFFINE_COORDINATES_GF2M, EC_R_INCOMPATIBLE_OBJECTS); |
- return 0; |
- } |
- return group->meth->point_get_affine_coordinates(group, point, x, y, ctx); |
- } |
-#endif |
- |
-int EC_POINT_add(const EC_GROUP *group, EC_POINT *r, const EC_POINT *a, const EC_POINT *b, BN_CTX *ctx) |
- { |
- if (group->meth->add == 0) |
- { |
- ECerr(EC_F_EC_POINT_ADD, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); |
- return 0; |
- } |
- if ((group->meth != r->meth) || (r->meth != a->meth) || (a->meth != b->meth)) |
- { |
- ECerr(EC_F_EC_POINT_ADD, EC_R_INCOMPATIBLE_OBJECTS); |
- return 0; |
- } |
- return group->meth->add(group, r, a, b, ctx); |
- } |
- |
- |
-int EC_POINT_dbl(const EC_GROUP *group, EC_POINT *r, const EC_POINT *a, BN_CTX *ctx) |
- { |
- if (group->meth->dbl == 0) |
- { |
- ECerr(EC_F_EC_POINT_DBL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); |
- return 0; |
- } |
- if ((group->meth != r->meth) || (r->meth != a->meth)) |
- { |
- ECerr(EC_F_EC_POINT_DBL, EC_R_INCOMPATIBLE_OBJECTS); |
- return 0; |
- } |
- return group->meth->dbl(group, r, a, ctx); |
- } |
- |
- |
-int EC_POINT_invert(const EC_GROUP *group, EC_POINT *a, BN_CTX *ctx) |
- { |
- if (group->meth->dbl == 0) |
- { |
- ECerr(EC_F_EC_POINT_INVERT, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); |
- return 0; |
- } |
- if (group->meth != a->meth) |
- { |
- ECerr(EC_F_EC_POINT_INVERT, EC_R_INCOMPATIBLE_OBJECTS); |
- return 0; |
- } |
- return group->meth->invert(group, a, ctx); |
- } |
- |
- |
-int EC_POINT_is_at_infinity(const EC_GROUP *group, const EC_POINT *point) |
- { |
- if (group->meth->is_at_infinity == 0) |
- { |
- ECerr(EC_F_EC_POINT_IS_AT_INFINITY, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); |
- return 0; |
- } |
- if (group->meth != point->meth) |
- { |
- ECerr(EC_F_EC_POINT_IS_AT_INFINITY, EC_R_INCOMPATIBLE_OBJECTS); |
- return 0; |
- } |
- return group->meth->is_at_infinity(group, point); |
- } |
- |
- |
-int EC_POINT_is_on_curve(const EC_GROUP *group, const EC_POINT *point, BN_CTX *ctx) |
- { |
- if (group->meth->is_on_curve == 0) |
- { |
- ECerr(EC_F_EC_POINT_IS_ON_CURVE, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); |
- return 0; |
- } |
- if (group->meth != point->meth) |
- { |
- ECerr(EC_F_EC_POINT_IS_ON_CURVE, EC_R_INCOMPATIBLE_OBJECTS); |
- return 0; |
- } |
- return group->meth->is_on_curve(group, point, ctx); |
- } |
- |
- |
-int EC_POINT_cmp(const EC_GROUP *group, const EC_POINT *a, const EC_POINT *b, BN_CTX *ctx) |
- { |
- if (group->meth->point_cmp == 0) |
- { |
- ECerr(EC_F_EC_POINT_CMP, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); |
- return 0; |
- } |
- if ((group->meth != a->meth) || (a->meth != b->meth)) |
- { |
- ECerr(EC_F_EC_POINT_CMP, EC_R_INCOMPATIBLE_OBJECTS); |
- return 0; |
- } |
- return group->meth->point_cmp(group, a, b, ctx); |
- } |
- |
- |
-int EC_POINT_make_affine(const EC_GROUP *group, EC_POINT *point, BN_CTX *ctx) |
- { |
- if (group->meth->make_affine == 0) |
- { |
- ECerr(EC_F_EC_POINT_MAKE_AFFINE, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); |
- return 0; |
- } |
- if (group->meth != point->meth) |
- { |
- ECerr(EC_F_EC_POINT_MAKE_AFFINE, EC_R_INCOMPATIBLE_OBJECTS); |
- return 0; |
- } |
- return group->meth->make_affine(group, point, ctx); |
- } |
- |
- |
-int EC_POINTs_make_affine(const EC_GROUP *group, size_t num, EC_POINT *points[], BN_CTX *ctx) |
- { |
- size_t i; |
- |
- if (group->meth->points_make_affine == 0) |
- { |
- ECerr(EC_F_EC_POINTS_MAKE_AFFINE, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); |
- return 0; |
- } |
- for (i = 0; i < num; i++) |
- { |
- if (group->meth != points[i]->meth) |
- { |
- ECerr(EC_F_EC_POINTS_MAKE_AFFINE, EC_R_INCOMPATIBLE_OBJECTS); |
- return 0; |
- } |
- } |
- return group->meth->points_make_affine(group, num, points, ctx); |
- } |
- |
- |
-/* Functions for point multiplication. |
- * |
- * If group->meth->mul is 0, we use the wNAF-based implementations in ec_mult.c; |
- * otherwise we dispatch through methods. |
- */ |
- |
-int EC_POINTs_mul(const EC_GROUP *group, EC_POINT *r, const BIGNUM *scalar, |
- size_t num, const EC_POINT *points[], const BIGNUM *scalars[], BN_CTX *ctx) |
- { |
- if (group->meth->mul == 0) |
- /* use default */ |
- return ec_wNAF_mul(group, r, scalar, num, points, scalars, ctx); |
- |
- return group->meth->mul(group, r, scalar, num, points, scalars, ctx); |
- } |
- |
-int EC_POINT_mul(const EC_GROUP *group, EC_POINT *r, const BIGNUM *g_scalar, |
- const EC_POINT *point, const BIGNUM *p_scalar, BN_CTX *ctx) |
- { |
- /* just a convenient interface to EC_POINTs_mul() */ |
- |
- const EC_POINT *points[1]; |
- const BIGNUM *scalars[1]; |
- |
- points[0] = point; |
- scalars[0] = p_scalar; |
- |
- return EC_POINTs_mul(group, r, g_scalar, (point != NULL && p_scalar != NULL), points, scalars, ctx); |
- } |
- |
-int EC_GROUP_precompute_mult(EC_GROUP *group, BN_CTX *ctx) |
- { |
- if (group->meth->mul == 0) |
- /* use default */ |
- return ec_wNAF_precompute_mult(group, ctx); |
- |
- if (group->meth->precompute_mult != 0) |
- return group->meth->precompute_mult(group, ctx); |
- else |
- return 1; /* nothing to do, so report success */ |
- } |
- |
-int EC_GROUP_have_precompute_mult(const EC_GROUP *group) |
- { |
- if (group->meth->mul == 0) |
- /* use default */ |
- return ec_wNAF_have_precompute_mult(group); |
- |
- if (group->meth->have_precompute_mult != 0) |
- return group->meth->have_precompute_mult(group); |
- else |
- return 0; /* cannot tell whether precomputation has been performed */ |
- } |