Rearrange the file tree.

[u/mdw/catacomb] / math / ec-keys.h

diff --git a/math/ec-keys.h b/math/ec-keys.h
new file mode 100644 (file)
index 0000000..f4a304d
--- /dev/null
+++ b/math/ec-keys.h
@@ -0,0 +1,96 @@
+/* -*-c-*-
+ *
+ * Elliptic curve key-fetching
+ *
+ * (c) 2004 Straylight/Edgeware
+ */
+
+/*----- Licensing notice --------------------------------------------------*
+ *
+ * This file is part of Catacomb.
+ *
+ * Catacomb is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Library General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * Catacomb is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with Catacomb; if not, write to the Free
+ * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+ * MA 02111-1307, USA.
+ */
+
+#ifndef CATACOMB_EC_KEYS_H
+#define CATACOMB_EC_KEYS_H
+
+#ifdef __cplusplus
+  extern "C" {
+#endif
+
+/*----- Header files ------------------------------------------------------*/
+
+#ifndef CATACOMB_EC_H
+#  include "ec.h"
+#endif
+
+#ifndef CATACOMB_KEY_H
+#  include "key.h"
+#endif
+
+/*----- Key structures ----------------------------------------------------*/
+
+typedef struct ec_param {
+  ec_info ei;                          /* Curve information */
+  char *cstr;                          /* Curve definition string */
+} ec_param;
+
+typedef struct ec_pub {
+  ec_info ei;                          /* Curve information */
+  char *cstr;                          /* Curve definition string */
+  ec p;                                        /* Public point */
+} ec_pub;
+
+typedef struct ec_priv {
+  ec_info ei;                          /* Curve information */
+  char *cstr;                          /* Curve definition string */
+  ec p;                                        /* Public point */
+  mp *x;                               /* Secret exponent */
+} ec_priv;
+
+extern const key_fetchdef ec_paramfetch[];
+#define EC_PARAMFETCHSZ 3
+
+extern const key_fetchdef ec_pubfetch[];
+#define EC_PUBFETCHSZ 4
+
+extern const key_fetchdef ec_privfetch[];
+#define EC_PRIVFETCHSZ 7
+
+/*----- Functions provided ------------------------------------------------*/
+
+/* --- @ec_paramfree@, @ec_pubfree@, @ec_privfree@ --- *
+ *
+ * Arguments:  @ec_param *ep@, @ec_pub *ep@, @ec_priv *ep@ = pointer to
+ *                     key block to free
+ *
+ * Returns:    ---
+ *
+ * Use:                Frees an elliptic curve key block
+ */
+
+extern void ec_paramfree(ec_param */*ep*/);
+extern void ec_pubfree(ec_pub */*ep*/);
+extern void ec_privfree(ec_priv */*ep*/);
+
+/*----- That's all, folks -------------------------------------------------*/
+
+#ifdef __cplusplus
+  }
+#endif
+
+#endif