1 files changed, 178 insertions, 0 deletions
diff --git a/third_party/heimdal/lib/hcrypto/ec.c b/third_party/heimdal/lib/hcrypto/ec.c
new file mode 100644
index 0000000..5a5c3c7
--- /dev/null
+++ b/third_party/heimdal/lib/hcrypto/ec.c
@@ -0,0 +1,178 @@
+/*
+ * Copyright (c) 2009 Kungliga Tekniska Högskolan
+ * (Royal Institute of Technology, Stockholm, Sweden).
+ * 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. Neither the name of the Institute nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS 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 INSTITUTE OR 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 <config.h>
+#include <roken.h>
+
+#include "ec.h"
+
+struct EC_POINT {
+    int inf;
+    mp_int x;
+    mp_int y;
+    mp_int z;
+};
+
+struct EC_GROUP {
+    size_t size;
+    mp_int prime;
+    mp_int order;
+    mp_int Gx;
+    mp_int Gy;
+};
+
+struct EC_KEY {
+    int type;
+    EC_GROUP *group;
+    EC_POINT *pubkey;
+    mp_int privkey;
+};
+
+
+unsigned long
+EC_GROUP_get_degree(EC_GROUP *)
+{
+}
+
+EC_GROUP *
+EC_KEY_get0_group(EC_KEY *)
+{
+}
+
+int
+EC_GROUP_get_order(EC_GROUP *, BIGNUM *, BN_CTX *)
+{
+}
+
+EC_KEY *
+o2i_ECPublicKey(EC_KEY **key, unsigned char **, size_t)
+{
+}
+
+void
+EC_KEY_free(EC_KEY *)
+{
+
+}
+
+EC_GROUP *
+EC_GROUP_new_by_curve_name(int nid)
+{
+}
+
+EC_KEY *
+EC_KEY_new_by_curve_name(EC_GROUP_ID nid)
+{
+    EC_KEY *key;
+
+    key = calloc(1, sizeof(*key));
+    return key;
+}
+
+void
+EC_POINT_free(EC_POINT *p)
+{
+    mp_clear_multi(&p->x, p->y, p->z, NULL);
+    free(p);
+}
+
+static int
+ec_point_mul(EC_POINT *res, const EC_GROUP *group, const mp_int *point)
+{
+}
+
+EC_POINT *
+EC_POINT_new(void)
+{
+    EC_POINT *p;
+
+    p = calloc(1, sizeof(*p));
+
+    if (mp_init_multi(&p->x, &p->y, &p->z, NULL) != 0) {
+	EC_POINT_free(p);
+	return NULL;
+    }
+
+    return p;
+}
+
+int
+EC_KEY_generate_key(EC_KEY *key)
+{
+    int ret = 0;
+
+    if (key->group == NULL)
+	return 0;
+
+    do {
+	random(key->privkey, key->group->size);
+    } while(mp_cmp(key->privkey, key->group->order) >= 0);
+
+    if (key->pubkey == NULL)
+	key->pubkey = EC_POINT_new();
+
+    if (ec_point_mul(&key->pubkey, key->group, key->privkey) != 1)
+	goto error;
+
+    ret = 1;
+ error:
+    ECPOINT_free(&base);
+
+    return ret;
+}
+
+void
+EC_KEY_set_group(EC_KEY *, EC_GROUP *)
+{
+
+}
+
+void
+EC_GROUP_free(EC_GROUP *)
+{
+}
+
+int
+EC_KEY_check_key(const EC_KEY *)
+{
+}
+
+const BIGNUM *
+EC_KEY_get0_private_key(const EC_KEY *key)
+{
+}
+
+int
+EC_KEY_set_private_key(EC_KEY *key, const BIGNUM *bn)
+{
+}