Diff: cyassllib/cyassl/ctaocrypt/dsa.h

Revision:

0:e979170e02e7

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cyassllib/cyassl/ctaocrypt/dsa.h	Fri Apr 26 16:54:58 2013 +0000
@@ -0,0 +1,67 @@
+/* dsa.h
+ *
+ * Copyright (C) 2006-2012 Sawtooth Consulting Ltd.
+ *
+ * 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
+ */
+
+
+#ifndef NO_DSA
+
+#ifndef CTAO_CRYPT_DSA_H
+#define CTAO_CRYPT_DSA_H
+
+#include <cyassl/ctaocrypt/types.h>
+#include <cyassl/ctaocrypt/integer.h>
+#include <cyassl/ctaocrypt/random.h>
+
+#ifdef __cplusplus
+    extern "C" {
+#endif
+
+
+enum {
+    DSA_PUBLIC   = 0,
+    DSA_PRIVATE  = 1
+};
+
+/* DSA */
+typedef struct DsaKey {
+    mp_int p, q, g, y, x;
+    int type;                               /* public or private */
+} DsaKey;
+
+
+CYASSL_API void InitDsaKey(DsaKey* key);
+CYASSL_API void FreeDsaKey(DsaKey* key);
+
+CYASSL_API int DsaSign(const byte* digest, byte* out, DsaKey* key, RNG* rng);
+CYASSL_API int DsaVerify(const byte* digest, const byte* sig, DsaKey* key,
+                         int* answer);
+
+CYASSL_API int DsaPublicKeyDecode(const byte* input, word32* inOutIdx, DsaKey*,
+                                  word32);
+CYASSL_API int DsaPrivateKeyDecode(const byte* input, word32* inOutIdx, DsaKey*,
+                                   word32);
+
+#ifdef __cplusplus
+    } /* extern "C" */
+#endif
+
+#endif /* CTAO_CRYPT_DSA_H */
+#endif /* NO_DSA */
+