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authorMatt Johnston <matt@ucc.asn.au>2004-06-01 02:46:09 +0000
committerMatt Johnston <matt@ucc.asn.au>2004-06-01 02:46:09 +0000
commit674a60748884dc55ee7091b7c23a41240e75f73c (patch)
tree3b5a173c356f867b94df3873b57ff36d33129ea7 /algo.h
Makefile.in contains updated files required
--HG-- extra : convert_revision : cc8a8c49dc70e632c352853a39801089b08149be
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+/*
+ * Dropbear - a SSH2 server
+ *
+ * Copyright (c) 2002,2003 Matt Johnston
+ * All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE. */
+
+#ifndef _ALGO_H_
+
+#define _ALGO_H_
+
+#include "includes.h"
+#include "buffer.h"
+
+struct Algo_Type {
+
+ unsigned char *name; /* identifying name */
+ char val; /* a value for this cipher, or -1 for invalid */
+ void *data; /* algorithm specific data */
+ unsigned usable : 1; /* whether we can use this algorithm */
+
+};
+
+typedef struct Algo_Type algo_type;
+
+/* lists mapping ssh types of algorithms to internal values */
+extern algo_type sshkex[];
+extern algo_type sshhostkey[];
+extern algo_type sshciphers[];
+extern algo_type sshhashes[];
+extern algo_type sshcompress[];
+
+extern const struct dropbear_cipher dropbear_nocipher;
+extern const struct dropbear_hash dropbear_nohash;
+
+struct dropbear_cipher {
+ const struct _cipher_descriptor *cipherdesc;
+ unsigned long keysize;
+ unsigned char blocksize;
+};
+
+struct dropbear_hash {
+ const struct _hash_descriptor *hashdesc;
+ unsigned long keysize;
+ unsigned char hashsize;
+};
+
+void crypto_init();
+int have_algo(char* algo, size_t algolen, algo_type algos[]);
+void buf_put_algolist(buffer * buf, algo_type localalgos[]);
+
+algo_type * common_buf_match_algo(buffer* buf, algo_type localalgos[],
+ int *goodguess);
+algo_type * svr_buf_match_algo(buffer* buf, algo_type localalgos[],
+ int *goodguess);
+algo_type * cli_buf_match_algo(buffer* buf, algo_type localalgos[]);
+
+#endif /* _ALGO_H_ */