1 files changed, 261 insertions, 0 deletions

diff --git a/src/lib/libcrypto/ecdsa/ecs_lib.c b/src/lib/libcrypto/ecdsa/ecs_lib.c
new file mode 100644
index 0000000000..85e8a3a7ed
--- /dev/null
+++ b/src/lib/libcrypto/ecdsa/ecs_lib.c
@@ -0,0 +1,261 @@
+/* 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>
+
+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) 
+                default_ECDSA_method = ECDSA_OpenSSL();
+        return default_ECDSA_method;
+}
+
+int ECDSA_set_method(EC_KEY *eckey, const ECDSA_METHOD *meth)
+{
+        const ECDSA_METHOD *mtmp;
+        ECDSA_DATA *ecdsa;
+
+        ecdsa = ecdsa_check(eckey);
+
+        if (ecdsa == NULL)
+                return 0;
+
+        mtmp = ecdsa->meth;
+#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;
+                EC_KEY_insert_key_method_data(key, (void *)ecdsa_data,
+                        ecdsa_data_dup, ecdsa_data_free, ecdsa_data_free);
+        }
+        else
+                ecdsa_data = (ECDSA_DATA *)data;
+        
+
+        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));
+}