early-access version 1255

2020-12-28 15:15:37 +00:00
parent 84b39492d1
commit 78b48028e1
6254 changed files with 1868140 additions and 0 deletions
--- a/externals/libressl/crypto/ec/ec_kmeth.c
+++ b/externals/libressl/crypto/ec/ec_kmeth.c
@@ -0,0 +1,335 @@
+/*	$OpenBSD: ec_kmeth.c,v 1.5 2019/05/10 19:15:06 bcook Exp $	*/
+/*
+ * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
+ * project.
+ */
+/* ====================================================================
+ * Copyright (c) 2015 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
+ *    licensing@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.
+ * ====================================================================
+ */
+
+#include <openssl/ec.h>
+#ifndef OPENSSL_NO_ENGINE
+#include <openssl/engine.h>
+#endif
+#include <openssl/err.h>
+
+#include "ec_lcl.h"
+#include "ecs_locl.h"
+
+static const EC_KEY_METHOD openssl_ec_key_method = {
+	.name = "OpenSSL EC_KEY method",
+	.flags = 0,
+
+	.init = NULL,
+	.finish = NULL,
+	.copy = NULL,
+
+	.set_group = NULL,
+	.set_private = NULL,
+	.set_public = NULL,
+
+	.keygen = ossl_ec_key_gen,
+	.compute_key = ossl_ecdh_compute_key,
+
+	.sign = ossl_ecdsa_sign,
+	.sign_setup = ossl_ecdsa_sign_setup,
+	.sign_sig = ossl_ecdsa_sign_sig,
+
+	.verify = ossl_ecdsa_verify,
+	.verify_sig = ossl_ecdsa_verify_sig,
+};
+
+const EC_KEY_METHOD *default_ec_key_meth = &openssl_ec_key_method;
+
+const EC_KEY_METHOD *
+EC_KEY_OpenSSL(void)
+{
+	return &openssl_ec_key_method;
+}
+
+const EC_KEY_METHOD *
+EC_KEY_get_default_method(void)
+{
+	return default_ec_key_meth;
+}
+
+void
+EC_KEY_set_default_method(const EC_KEY_METHOD *meth)
+{
+	if (meth == NULL)
+		default_ec_key_meth = &openssl_ec_key_method;
+	else
+		default_ec_key_meth = meth;
+}
+
+const EC_KEY_METHOD *
+EC_KEY_get_method(const EC_KEY *key)
+{
+	return key->meth;
+}
+
+int
+EC_KEY_set_method(EC_KEY *key, const EC_KEY_METHOD *meth)
+{
+	void (*finish)(EC_KEY *key) = key->meth->finish;
+
+	if (finish != NULL)
+		finish(key);
+
+#ifndef OPENSSL_NO_ENGINE
+	ENGINE_finish(key->engine);
+	key->engine = NULL;
+#endif
+
+	key->meth = meth;
+	if (meth->init != NULL)
+		return meth->init(key);
+	return 1;
+}
+
+EC_KEY *
+EC_KEY_new_method(ENGINE *engine)
+{
+	EC_KEY *ret;
+
+	if ((ret = calloc(1, sizeof(EC_KEY))) == NULL) {
+		ECerror(ERR_R_MALLOC_FAILURE);
+		return NULL;
+	}
+	ret->meth = EC_KEY_get_default_method();
+#ifndef OPENSSL_NO_ENGINE
+	if (engine != NULL) {
+		if (!ENGINE_init(engine)) {
+			ECerror(ERR_R_ENGINE_LIB);
+			goto err;
+		}
+		ret->engine = engine;
+	} else
+		ret->engine = ENGINE_get_default_EC();
+	if (ret->engine) {
+		ret->meth = ENGINE_get_EC(ret->engine);
+		if (ret->meth == NULL) {
+			ECerror(ERR_R_ENGINE_LIB);
+			goto err;
+		}
+	}
+#endif
+	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;
+
+	if (!CRYPTO_new_ex_data(CRYPTO_EX_INDEX_RSA, ret, &ret->ex_data))
+		goto err;
+	if (ret->meth->init != NULL && ret->meth->init(ret) == 0)
+		goto err;
+
+	return ret;
+
+ err:
+	EC_KEY_free(ret);
+	return NULL;
+}
+
+EC_KEY_METHOD *
+EC_KEY_METHOD_new(const EC_KEY_METHOD *meth)
+{
+	EC_KEY_METHOD *ret;
+
+	if ((ret = calloc(1, sizeof(*meth))) == NULL)
+		return NULL;
+	if (meth != NULL)
+		*ret = *meth;
+	ret->flags |= EC_KEY_METHOD_DYNAMIC;
+	return ret;
+}
+
+void
+EC_KEY_METHOD_free(EC_KEY_METHOD *meth)
+{
+	if (meth == NULL)
+		return;
+	if (meth->flags & EC_KEY_METHOD_DYNAMIC)
+		free(meth);
+}
+
+void
+EC_KEY_METHOD_set_init(EC_KEY_METHOD *meth,
+    int (*init)(EC_KEY *key),
+    void (*finish)(EC_KEY *key),
+    int (*copy)(EC_KEY *dest, const EC_KEY *src),
+    int (*set_group)(EC_KEY *key, const EC_GROUP *grp),
+    int (*set_private)(EC_KEY *key, const BIGNUM *priv_key),
+    int (*set_public)(EC_KEY *key, const EC_POINT *pub_key))
+{
+	meth->init = init;
+	meth->finish = finish;
+	meth->copy = copy;
+	meth->set_group = set_group;
+	meth->set_private = set_private;
+	meth->set_public = set_public;
+}
+
+void
+EC_KEY_METHOD_set_keygen(EC_KEY_METHOD *meth, int (*keygen)(EC_KEY *key))
+{
+	meth->keygen = keygen;
+}
+
+void
+EC_KEY_METHOD_set_compute_key(EC_KEY_METHOD *meth,
+   int (*ckey)(void *out, size_t outlen, const EC_POINT *pub_key, EC_KEY *ecdh,
+   void *(*KDF) (const void *in, size_t inlen, void *out, size_t *outlen)))
+{
+	meth->compute_key = ckey;
+}
+
+void
+EC_KEY_METHOD_set_sign(EC_KEY_METHOD *meth,
+    int (*sign)(int type, const unsigned char *dgst,
+	int dlen, unsigned char *sig, unsigned int *siglen,
+	const BIGNUM *kinv, const BIGNUM *r, EC_KEY *eckey),
+    int (*sign_setup)(EC_KEY *eckey, BN_CTX *ctx_in,
+	BIGNUM **kinvp, BIGNUM **rp),
+    ECDSA_SIG *(*sign_sig)(const unsigned char *dgst,
+	int dgst_len, const BIGNUM *in_kinv,
+	const BIGNUM *in_r, EC_KEY *eckey))
+{
+	meth->sign = sign;
+	meth->sign_setup = sign_setup;
+	meth->sign_sig = sign_sig;
+}
+
+void
+EC_KEY_METHOD_set_verify(EC_KEY_METHOD *meth,
+    int (*verify)(int type, const unsigned char *dgst, int dgst_len,
+	const unsigned char *sigbuf, int sig_len, EC_KEY *eckey),
+    int (*verify_sig)(const unsigned char *dgst, int dgst_len,
+	const ECDSA_SIG *sig, EC_KEY *eckey))
+{
+	meth->verify = verify;
+	meth->verify_sig = verify_sig;
+}
+
+
+void
+EC_KEY_METHOD_get_init(const EC_KEY_METHOD *meth,
+    int (**pinit)(EC_KEY *key),
+    void (**pfinish)(EC_KEY *key),
+    int (**pcopy)(EC_KEY *dest, const EC_KEY *src),
+    int (**pset_group)(EC_KEY *key, const EC_GROUP *grp),
+    int (**pset_private)(EC_KEY *key, const BIGNUM *priv_key),
+    int (**pset_public)(EC_KEY *key, const EC_POINT *pub_key))
+{
+	if (pinit != NULL)
+		*pinit = meth->init;
+	if (pfinish != NULL)
+		*pfinish = meth->finish;
+	if (pcopy != NULL)
+		*pcopy = meth->copy;
+	if (pset_group != NULL)
+		*pset_group = meth->set_group;
+	if (pset_private != NULL)
+		*pset_private = meth->set_private;
+	if (pset_public != NULL)
+		*pset_public = meth->set_public;
+}
+
+void
+EC_KEY_METHOD_get_keygen(const EC_KEY_METHOD *meth,
+    int (**pkeygen)(EC_KEY *key))
+{
+	if (pkeygen != NULL)
+		*pkeygen = meth->keygen;
+}
+
+void
+EC_KEY_METHOD_get_compute_key(const EC_KEY_METHOD *meth,
+    int (**pck)(void *out, size_t outlen, const EC_POINT *pub_key, EC_KEY *ecdh,
+    void *(*KDF) (const void *in, size_t inlen, void *out, size_t *outlen)))
+{
+	if (pck != NULL)
+		*pck = meth->compute_key;
+}
+
+void
+EC_KEY_METHOD_get_sign(const EC_KEY_METHOD *meth,
+    int (**psign)(int type, const unsigned char *dgst,
+	int dlen, unsigned char *sig, unsigned int *siglen,
+	const BIGNUM *kinv, const BIGNUM *r, EC_KEY *eckey),
+    int (**psign_setup)(EC_KEY *eckey, BN_CTX *ctx_in,
+	BIGNUM **kinvp, BIGNUM **rp),
+    ECDSA_SIG *(**psign_sig)(const unsigned char *dgst,
+	int dgst_len, const BIGNUM *in_kinv, const BIGNUM *in_r,
+	EC_KEY *eckey))
+{
+	if (psign != NULL)
+		*psign = meth->sign;
+	if (psign_setup != NULL)
+		*psign_setup = meth->sign_setup;
+	if (psign_sig != NULL)
+		*psign_sig = meth->sign_sig;
+}
+
+void
+EC_KEY_METHOD_get_verify(const EC_KEY_METHOD *meth,
+    int (**pverify)(int type, const unsigned char *dgst, int dgst_len,
+	const unsigned char *sigbuf, int sig_len, EC_KEY *eckey),
+    int (**pverify_sig)(const unsigned char *dgst, int dgst_len,
+	const ECDSA_SIG *sig, EC_KEY *eckey))
+{
+	if (pverify != NULL)
+		*pverify = meth->verify;
+	if (pverify_sig != NULL)
+		*pverify_sig = meth->verify_sig;
+}