Added SHA-512.

[silc.git] / lib / silccrypt / sha512_internal.h

diff --git a/lib/silccrypt/sha512_internal.h b/lib/silccrypt/sha512_internal.h
new file mode 100644 (file)
index 0000000..7c5b730
--- /dev/null
+++ b/lib/silccrypt/sha512_internal.h
@@ -0,0 +1,36 @@
+/*
+
+  sha512_internal.h
+
+  Author: Pekka Riikonen <priikone@silcnet.org>
+
+  Copyright (C) 2007 Pekka Riikonen
+
+  This program 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; version 2 of the License.
+
+  This program 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.
+
+*/
+
+#ifndef SHA512_INTERNAL_H
+#define SHA512_INTERNAL_H
+
+typedef struct {
+    SilcUInt64 length;
+    SilcUInt64 state[8];
+    SilcUInt32 curlen;
+    unsigned char buf[128];
+} sha512_state;
+
+int sha512_init(sha512_state * md);
+int sha512_process(sha512_state * md, const unsigned char *in,
+                  unsigned long inlen);
+int sha512_done(sha512_state * md, unsigned char *hash);
+void sha512_transform(SilcUInt64 *state, unsigned char *buf);
+
+#endif /* SHA512_INTERNAL_H */