-Added OpenSSL and HTTPS support

-Built-in version of the library for Windows, Android and iOS (other OSs use system one)
-Small fixes all around

1 files changed, 285 insertions, 0 deletions

diff --git a/drivers/builtin_openssl/crypto/ecdsa/ecs_lib.c b/drivers/builtin_openssl/crypto/ecdsa/ecs_lib.c
new file mode 100644
index 0000000000..814a6bf404
--- /dev/null
+++ b/drivers/builtin_openssl/crypto/ecdsa/ecs_lib.c
@@ -0,0 +1,285 @@
+/* crypto/ecdsa/ecs_lib.c */
+/* ====================================================================
+ * 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).
+ *
+ */
+
+#include <string.h>
+#include "ecs_locl.h"
+#ifndef OPENSSL_NO_ENGINE
+#include <openssl/engine.h>
+#endif
+#include <openssl/err.h>
+#include <openssl/bn.h>
+#ifdef OPENSSL_FIPS
+#include <openssl/fips.h>
+#endif
+
+const char ECDSA_version[]="ECDSA" OPENSSL_VERSION_PTEXT;
+
+static const ECDSA_METHOD *default_ECDSA_method = NULL;
+
+static void *ecdsa_data_new(void);
+static void *ecdsa_data_dup(void *);
+static void  ecdsa_data_free(void *);
+
+void ECDSA_set_default_method(const ECDSA_METHOD *meth)
+{
+	default_ECDSA_method = meth;
+}
+
+const ECDSA_METHOD *ECDSA_get_default_method(void)
+{
+	if(!default_ECDSA_method) 
+		{
+#ifdef OPENSSL_FIPS
+		if (FIPS_mode())
+			return FIPS_ecdsa_openssl();
+		else
+			return ECDSA_OpenSSL();
+#else
+		default_ECDSA_method = ECDSA_OpenSSL();
+#endif
+		}
+	return default_ECDSA_method;
+}
+
+int ECDSA_set_method(EC_KEY *eckey, const ECDSA_METHOD *meth)
+{
+	ECDSA_DATA *ecdsa;
+
+	ecdsa = ecdsa_check(eckey);
+
+	if (ecdsa == NULL)
+		return 0;
+
+#ifndef OPENSSL_NO_ENGINE
+	if (ecdsa->engine)
+	{
+		ENGINE_finish(ecdsa->engine);
+		ecdsa->engine = NULL;
+	}
+#endif
+        ecdsa->meth = meth;
+
+        return 1;
+}
+
+static ECDSA_DATA *ECDSA_DATA_new_method(ENGINE *engine)
+{
+	ECDSA_DATA *ret;
+
+	ret=(ECDSA_DATA *)OPENSSL_malloc(sizeof(ECDSA_DATA));
+	if (ret == NULL)
+	{
+		ECDSAerr(ECDSA_F_ECDSA_DATA_NEW_METHOD, ERR_R_MALLOC_FAILURE);
+		return(NULL);
+	}
+
+	ret->init = NULL;
+
+	ret->meth = ECDSA_get_default_method();
+	ret->engine = engine;
+#ifndef OPENSSL_NO_ENGINE
+	if (!ret->engine)
+		ret->engine = ENGINE_get_default_ECDSA();
+	if (ret->engine)
+	{
+		ret->meth = ENGINE_get_ECDSA(ret->engine);
+		if (!ret->meth)
+		{
+			ECDSAerr(ECDSA_F_ECDSA_DATA_NEW_METHOD, ERR_R_ENGINE_LIB);
+			ENGINE_finish(ret->engine);
+			OPENSSL_free(ret);
+			return NULL;
+		}
+	}
+#endif
+
+	ret->flags = ret->meth->flags;
+	CRYPTO_new_ex_data(CRYPTO_EX_INDEX_ECDSA, ret, &ret->ex_data);
+#if 0
+	if ((ret->meth->init != NULL) && !ret->meth->init(ret))
+	{
+		CRYPTO_free_ex_data(CRYPTO_EX_INDEX_ECDSA, ret, &ret->ex_data);
+		OPENSSL_free(ret);
+		ret=NULL;
+	}
+#endif	
+	return(ret);
+}
+
+static void *ecdsa_data_new(void)
+{
+	return (void *)ECDSA_DATA_new_method(NULL);
+}
+
+static void *ecdsa_data_dup(void *data)
+{
+	ECDSA_DATA *r = (ECDSA_DATA *)data;
+
+	/* XXX: dummy operation */
+	if (r == NULL)
+		return NULL;
+
+	return ecdsa_data_new();
+}
+
+static void ecdsa_data_free(void *data)
+{
+	ECDSA_DATA *r = (ECDSA_DATA *)data;
+
+#ifndef OPENSSL_NO_ENGINE
+	if (r->engine)
+		ENGINE_finish(r->engine);
+#endif
+	CRYPTO_free_ex_data(CRYPTO_EX_INDEX_ECDSA, r, &r->ex_data);
+
+	OPENSSL_cleanse((void *)r, sizeof(ECDSA_DATA));
+
+	OPENSSL_free(r);
+}
+
+ECDSA_DATA *ecdsa_check(EC_KEY *key)
+{
+	ECDSA_DATA *ecdsa_data;
+ 
+	void *data = EC_KEY_get_key_method_data(key, ecdsa_data_dup,
+					ecdsa_data_free, ecdsa_data_free);
+	if (data == NULL)
+	{
+		ecdsa_data = (ECDSA_DATA *)ecdsa_data_new();
+		if (ecdsa_data == NULL)
+			return NULL;
+		data = EC_KEY_insert_key_method_data(key, (void *)ecdsa_data,
+			   ecdsa_data_dup, ecdsa_data_free, ecdsa_data_free);
+		if (data != NULL)
+			{
+			/* Another thread raced us to install the key_method
+			 * data and won. */
+			ecdsa_data_free(ecdsa_data);
+			ecdsa_data = (ECDSA_DATA *)data;
+			}
+	}
+	else
+		ecdsa_data = (ECDSA_DATA *)data;
+#ifdef OPENSSL_FIPS
+	if (FIPS_mode() && !(ecdsa_data->flags & ECDSA_FLAG_FIPS_METHOD)
+			&& !(EC_KEY_get_flags(key) & EC_FLAG_NON_FIPS_ALLOW))
+		{
+		ECDSAerr(ECDSA_F_ECDSA_CHECK, ECDSA_R_NON_FIPS_METHOD);
+		return NULL;
+		}
+#endif
+
+	return ecdsa_data;
+}
+
+int ECDSA_size(const EC_KEY *r)
+{
+	int ret,i;
+	ASN1_INTEGER bs;
+	BIGNUM	*order=NULL;
+	unsigned char buf[4];
+	const EC_GROUP *group;
+
+	if (r == NULL)
+		return 0;
+	group = EC_KEY_get0_group(r);
+	if (group == NULL)
+		return 0;
+
+	if ((order = BN_new()) == NULL) return 0;
+	if (!EC_GROUP_get_order(group,order,NULL))
+	{
+		BN_clear_free(order);
+		return 0;
+	} 
+	i=BN_num_bits(order);
+	bs.length=(i+7)/8;
+	bs.data=buf;
+	bs.type=V_ASN1_INTEGER;
+	/* If the top bit is set the asn1 encoding is 1 larger. */
+	buf[0]=0xff;	
+
+	i=i2d_ASN1_INTEGER(&bs,NULL);
+	i+=i; /* r and s */
+	ret=ASN1_object_size(1,i,V_ASN1_SEQUENCE);
+	BN_clear_free(order);
+	return(ret);
+}
+
+
+int ECDSA_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func,
+	     CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func)
+{
+	return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_ECDSA, argl, argp,
+				new_func, dup_func, free_func);
+}
+
+int ECDSA_set_ex_data(EC_KEY *d, int idx, void *arg)
+{
+	ECDSA_DATA *ecdsa;
+	ecdsa = ecdsa_check(d);
+	if (ecdsa == NULL)
+		return 0;
+	return(CRYPTO_set_ex_data(&ecdsa->ex_data,idx,arg));
+}
+
+void *ECDSA_get_ex_data(EC_KEY *d, int idx)
+{
+	ECDSA_DATA *ecdsa;
+	ecdsa = ecdsa_check(d);
+	if (ecdsa == NULL)
+		return NULL;
+	return(CRYPTO_get_ex_data(&ecdsa->ex_data,idx));
+}