Diff: cyassl/ctaocrypt/dh.h

Revision:

0:1239e9b70ca2

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cyassl/ctaocrypt/dh.h	Sat Jul 12 07:18:23 2014 +0000
@@ -0,0 +1,68 @@
+/* dh.h
+ *
+ * Copyright (C) 2006-2014 wolfSSL Inc.
+ *
+ * This file is part of CyaSSL.
+ *
+ * CyaSSL 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.
+ *
+ * CyaSSL 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+
+#ifndef NO_DH
+
+#ifndef CTAO_CRYPT_DH_H
+#define CTAO_CRYPT_DH_H
+
+#include <cyassl/ctaocrypt/types.h>
+#include <cyassl/ctaocrypt/integer.h>
+#include <cyassl/ctaocrypt/random.h>
+
+#ifdef __cplusplus
+    extern "C" {
+#endif
+
+
+/* Diffie-Hellman Key */
+typedef struct DhKey {
+    mp_int p, g;                            /* group parameters  */
+} DhKey;
+
+
+CYASSL_API void InitDhKey(DhKey* key);
+CYASSL_API void FreeDhKey(DhKey* key);
+
+CYASSL_API int DhGenerateKeyPair(DhKey* key, RNG* rng, byte* priv,
+                                 word32* privSz, byte* pub, word32* pubSz);
+CYASSL_API int DhAgree(DhKey* key, byte* agree, word32* agreeSz,
+                       const byte* priv, word32 privSz, const byte* otherPub,
+                       word32 pubSz);
+
+CYASSL_API int DhKeyDecode(const byte* input, word32* inOutIdx, DhKey* key,
+                           word32);
+CYASSL_API int DhSetKey(DhKey* key, const byte* p, word32 pSz, const byte* g,
+                        word32 gSz);
+CYASSL_API int DhParamsLoad(const byte* input, word32 inSz, byte* p,
+                            word32* pInOutSz, byte* g, word32* gInOutSz);
+
+
+#ifdef __cplusplus
+    } /* extern "C" */
+#endif
+
+#endif /* CTAO_CRYPT_DH_H */
+
+#endif /* NO_DH */
+
+