1 files changed, 61 insertions, 0 deletions
diff --git a/dss.h b/dss.h
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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 _DSS_H_
+#define _DSS_H_
+
+#include "includes.h"
+#include "buffer.h"
+
+#ifdef DROPBEAR_DSS 
+
+#define DSS_SIGNATURE_SIZE 4+SSH_SIGNKEY_DSS_LEN+4+2*SHA1_HASH_SIZE
+
+struct DSS_key {
+
+	mp_int* p;
+	mp_int* q;
+	mp_int* g;
+	mp_int* y;
+	mp_int* x;
+
+};
+
+typedef struct DSS_key dss_key;
+
+void buf_put_dss_sign(buffer* buf, dss_key *key, const unsigned char* data,
+		unsigned int len);
+#ifdef DROPBEAR_SIGNKEY_VERIFY
+int buf_dss_verify(buffer* buf, dss_key *key, const unsigned char* data,
+		unsigned int len);
+#endif
+int buf_get_dss_pub_key(buffer* buf, dss_key *key);
+int buf_get_dss_priv_key(buffer* buf, dss_key *key);
+void buf_put_dss_pub_key(buffer* buf, dss_key *key);
+void buf_put_dss_priv_key(buffer* buf, dss_key *key);
+void dss_key_free(dss_key *key);
+
+#endif /* DROPBEAR_DSS */
+
+#endif /* _DSS_H_ */