1 files changed, 33 insertions, 0 deletions
diff --git a/src/protocol/internal/ssh_diffie-hellman.h b/src/protocol/internal/ssh_diffie-hellman.h
new file mode 100644
index 0000000..5468fdb
--- /dev/null
+++ b/src/protocol/internal/ssh_diffie-hellman.h
@@ -0,0 +1,33 @@
+#ifndef SSH_DH_H
+#define SSH_DH_H
+
+#include <openssl/bn.h>
+#include <openssl/sha.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+	typedef unsigned char* (*hash_t)(const unsigned char *, size_t, unsigned char *);
+
+	typedef struct ssh_diffie_hellman
+	{
+		BIGNUM *g; // generator
+		BIGNUM *p; // prime
+		hash_t hash; // can be SHA1 or SHA256
+		size_t hashlen;
+	} SSH_DH;
+
+	void ssh_dh_free(SSH_DH*);
+	SSH_DH *ssh_dh_group1_sha1(void);
+	SSH_DH *ssh_dh_group14_sha1(void);
+
+	typedef SSH_DH*(*NEW_DH)(void);
+	extern const char all_dh_list[];
+	NEW_DH search_dh(const char *s);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif