SCRAM-SHA-1 authentication mechanism support

src/scram.h

@@ -0,0 +1,38 @@
+/* scram.h
+ * strophe XMPP client library -- SCRAM-SHA1 helper functions
+ *
+ * Copyright (C) 2013 Dmitry Podgorny <pasis.ua@gmail.com>
+ *
+ *  This software is provided AS-IS with no warranty, either express
+ *  or implied.
+ *
+ *  This software is distributed under license and may not be copied,
+ *  modified or distributed except as expressly authorized under the
+ *  terms of the license contained in the file LICENSE.txt in this
+ *  distribution.
+ */
+
+/** @file
+ *  SCRAM-SHA1 helper functions.
+ */
+
+#ifndef __LIBSTROPHE_SCRAM_H__
+#define __LIBSTROPHE_SCRAM_H__
+
+#include <stdint.h>
+
+#include "sha1.h"
+
+void SCRAM_SHA1_ClientKey(const uint8_t *password, size_t len,
+                          const uint8_t *salt, size_t salt_len, uint32_t i,
+                          uint8_t key[SHA1_DIGEST_SIZE]);
+
+void SCRAM_SHA1_ClientSignature(const uint8_t ClientKey[SHA1_DIGEST_SIZE],
+                                const uint8_t *AuthMessage, size_t len,
+                                uint8_t sign[SHA1_DIGEST_SIZE]);
+
+void SCRAM_SHA1_ClientProof(const uint8_t ClientKey[SHA1_DIGEST_SIZE],
+                            const uint8_t ClientSignature[SHA1_DIGEST_SIZE],
+                            uint8_t proof[SHA1_DIGEST_SIZE]);
+
+#endif /* __LIBSTROPHE_SCRAM_H__ */