1 files changed, 272 insertions, 0 deletions

diff --git a/src/lib/libcrypto/ec/ec_kmeth.c b/src/lib/libcrypto/ec/ec_kmeth.c
new file mode 100644
index 0000000000..b714c62236
--- /dev/null
+++ b/src/lib/libcrypto/ec/ec_kmeth.c
@@ -0,0 +1,272 @@
+/*
+ * 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,
+
+        .sign = ossl_ecdsa_sign,
+        .sign_setup = ossl_ecdsa_sign_setup,
+        .sign_sig = ossl_ecdsa_sign_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 = malloc(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_get_init(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_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_get_sign(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_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;
+}