Rearrange the file tree.

[u/mdw/catacomb] / symm / rijndael192.h

diff --git a/symm/rijndael192.h b/symm/rijndael192.h
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+/* -*-c-*-
+ *
+ * The Rijndael block cipher, 192-bit version
+ *
+ * (c) 2001 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_RIJNDAEL192_H
+#define CATACOMB_RIJNDAEL192_H
+
+#ifdef __cplusplus
+  extern "C" {
+#endif
+
+/*----- Header files ------------------------------------------------------*/
+
+#ifndef CATACOMB_RIJNDAEL_H
+#  include "rijndael.h"
+#endif
+
+/*----- Magical numbers ---------------------------------------------------*/
+
+#define RIJNDAEL192_BLKSZ 24
+#define RIJNDAEL192_KEYSZ 32
+#define RIJNDAEL192_CLASS (N, B, 192)
+
+#define rijndael192_keysz rijndael_keysz
+
+/*----- Data structures ---------------------------------------------------*/
+
+typedef struct rijndael_ctx rijndael192_ctx;
+
+/*----- Functions provided ------------------------------------------------*/
+
+/* --- @rijndael192_init@ --- *
+ *
+ * Arguments:  @rijndael_ctx *k@ = pointer to context to initialize
+ *             @const void *buf@ = pointer to buffer of key material
+ *             @size_t sz@ = size of the key material
+ *
+ * Returns:    ---
+ *
+ * Use:                Initializes a Rijndael context with a particular key.  This
+ *             implementation of Rijndael doesn't impose any particular
+ *             limits on the key size except that it must be multiple of 4
+ *             bytes long.  256 bits seems sensible, though.
+ */
+
+extern void rijndael192_init(rijndael_ctx */*k*/,
+                         const void */*buf*/, size_t /*sz*/);
+
+/* --- @rijndael_eblk@, @rijndael_dblk@ --- *
+ *
+ * Arguments:  @const rijndael_ctx *k@ = pointer to Rijndael context
+ *             @const uint32 s[4]@ = pointer to source block
+ *             @uint32 d[4]@ = pointer to destination block
+ *
+ * Returns:    ---
+ *
+ * Use:                Low-level block encryption and decryption.
+ */
+
+extern void rijndael192_eblk(const rijndael_ctx */*k*/,
+                            const uint32 */*s*/, uint32 */*dst*/);
+extern void rijndael192_dblk(const rijndael_ctx */*k*/,
+                            const uint32 */*s*/, uint32 */*dst*/);
+
+/*----- That's all, folks -------------------------------------------------*/
+
+#ifdef __cplusplus
+  }
+#endif
+
+#endif