1 files changed, 73 insertions, 0 deletions
diff --git a/programs/pluto/ike_alg.h b/programs/pluto/ike_alg.h
new file mode 100644
index 000000000..a41718c04
--- /dev/null
+++ b/programs/pluto/ike_alg.h
@@ -0,0 +1,73 @@
+/* IKE modular algorithm handling interface
+ * Author: JuanJo Ciarlante <jjo-ipsec@mendoza.gov.ar>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * This program 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 General Public License
+ * for more details.
+ *
+ * RCSID $Id: ike_alg.h,v 1.3 2004/09/16 23:22:22 as Exp $
+ */
+ 
+#ifndef _IKE_ALG_H
+#define _IKE_ALG_H
+
+#include "connections.h"
+
+struct ike_alg {
+    u_int16_t algo_type;
+    u_int16_t algo_id;
+    struct ike_alg *algo_next;
+};
+
+struct encrypt_desc {
+    u_int16_t algo_type;
+    u_int16_t algo_id;
+    struct ike_alg *algo_next;
+
+    size_t enc_ctxsize;
+    size_t enc_blocksize;
+    u_int keydeflen;
+    u_int keymaxlen;
+    u_int keyminlen;
+    void (*do_crypt)(u_int8_t *dat, size_t datasize, u_int8_t *key, size_t key_size, u_int8_t *iv, bool enc);
+};
+
+struct hash_desc {
+    u_int16_t algo_type;
+    u_int16_t algo_id;
+    struct ike_alg *algo_next;
+
+    size_t hash_ctx_size;
+    size_t hash_digest_size;
+    void (*hash_init)(void *ctx);
+    void (*hash_update)(void *ctx, const u_int8_t *in, size_t datasize);
+    void (*hash_final)(u_int8_t *out, void *ctx);
+};
+
+#define IKE_ALG_ENCRYPT		0
+#define IKE_ALG_HASH		1
+#define IKE_ALG_MAX		IKE_ALG_HASH
+
+extern int ike_alg_add(struct ike_alg *a);
+extern struct hash_desc *ike_alg_get_hasher(u_int alg);
+extern struct encrypt_desc *ike_alg_get_encrypter(u_int alg);
+extern bool ike_alg_enc_present(u_int ealg);
+extern bool ike_alg_hash_present(u_int halg);
+extern int ike_alg_register_hash(struct hash_desc *a);
+extern int ike_alg_register_enc(struct encrypt_desc *e);
+extern const struct oakley_group_desc* ike_alg_pfsgroup(struct connection *c
+    , lset_t policy);
+extern struct db_context * ike_alg_db_new(struct alg_info_ike *ai, lset_t policy);
+extern void ike_alg_list(void);
+extern void ike_alg_show_connection(struct connection *c, const char *instance);
+extern bool ike_alg_ok_final(u_int ealg, u_int key_len, u_int aalg, u_int group
+    , struct alg_info_ike *alg_info_ike);
+extern int ike_alg_init(void);
+
+#endif /* _IKE_ALG_H */