low level name and packet parsing was added (You may edit external dependency to OpenSSL in root wscript file)
diff --git a/model/ccn_charbuf.h b/model/ccn_charbuf.h
new file mode 100644
index 0000000..1d7fbb7
--- /dev/null
+++ b/model/ccn_charbuf.h
@@ -0,0 +1,126 @@
+/*
+ * ccn_charbuf.h
+ * Abstraction
+ *
+ * Created by Ilya on 7/29/11.
+ * Copyright 2011 __MyCompanyName__. All rights reserved.
+ *
+ */
+
+/**
+ * @file ccn/charbuf.h
+ *
+ * Expandable character buffer for counted sequences of arbitrary octets.
+ *
+ * Part of the CCNx C Library.
+ *
+ * Copyright (C) 2008, 2009 Palo Alto Research Center, Inc.
+ *
+ * This library is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License version 2.1
+ * as published by the Free Software Foundation.
+ * This library 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
+ * Lesser General Public License for more details. You should have received
+ * a copy of the GNU Lesser General Public License along with this library;
+ * if not, write to the Free Software Foundation, Inc., 51 Franklin Street,
+ * Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#ifndef CCN_CHARBUF_DEFINED
+#define CCN_CHARBUF_DEFINED
+
+#include <stddef.h>
+#include <time.h>
+
+struct ccn_charbuf {
+ size_t length;
+ size_t limit;
+ unsigned char *buf;
+};
+
+/*
+ * ccn_charbuf_create: allocate a new charbuf
+ * ccn_charbuf_destroy: destroy a charbuf
+ */
+struct ccn_charbuf *ccn_charbuf_create(void);
+void ccn_charbuf_destroy(struct ccn_charbuf **cbp);
+
+/*
+ * ccn_charbuf_reserve: reserve some space in the buffer
+ * Grows c->buf if needed and returns a pointer to the new region.
+ * Does not modify c->length
+ */
+unsigned char *ccn_charbuf_reserve(struct ccn_charbuf *c, size_t n);
+
+/*
+ * ccn_charbuf_reset: reset to empty for reuse
+ * Sets c->length to 0
+ */
+void ccn_charbuf_reset(struct ccn_charbuf *c);
+
+/*
+ * ccn_charbuf_append: append character content
+ */
+int ccn_charbuf_append(struct ccn_charbuf *c, const void *p, size_t n);
+
+/*
+ * ccn_charbuf_append: append n bytes of val
+ * The n low-order bytes are appended in network byte order (big-endian)
+ */
+int ccn_charbuf_append_value(struct ccn_charbuf *c, unsigned val, unsigned n);
+
+
+/*
+ * ccn_charbuf_append_charbuf: append content from another charbuf
+ */
+int ccn_charbuf_append_charbuf(struct ccn_charbuf *c, const struct ccn_charbuf *i);
+
+/*
+ * ccn_charbuf_append: append a string
+ * Sometimes you have a null-terminated string in hand...
+ */
+int ccn_charbuf_append_string(struct ccn_charbuf *c, const char *s);
+
+/*
+ * ccn_charbuf_putf: formatting output
+ * Use this in preference to snprintf to simplify bookkeeping.
+ */
+int ccn_charbuf_putf(struct ccn_charbuf *c, const char *fmt, ...);
+
+/*
+ * ccn_charbuf_append_datetime: append a date/time string
+ * Appends a dateTime string in canonical form according to
+ * http://www.w3.org/TR/xmlschema-2/
+ * Return value is 0, or -1 for error.
+ * example: 2008-07-22T17:33:14.109Z
+ */
+int ccn_charbuf_append_datetime(struct ccn_charbuf *c, time_t secs, int nsecs);
+
+/*
+ * ccn_charbuf_append_datetime_now: append a date/time string
+ * Appends a dateTime string representing the current date and time
+ * in canonical form according to
+ * http://www.w3.org/TR/xmlschema-2/
+ * precision, a non-negative number, indicates the maximum number
+ * of fractional digits in the seconds. Only values 0..6 have
+ * any effect, at this times, since the gettimeofday() function
+ * is defined to return microsecond resolution.
+ * Return value is 0, or -1 for error.
+ * example: 2008-07-22T17:33:14.109Z
+ */
+#define CCN_DATETIME_PRECISION_USEC 6
+#define CCN_DATETIME_PRECISION_MAX 6
+int ccn_charbuf_append_datetime_now(struct ccn_charbuf *c, int precision);
+
+/*
+ * ccn_charbuf_as_string: view charbuf contents as a string
+ * This assures that c->buf has a null termination, and simply
+ * returns the pointer into the buffer. If the result needs to
+ * persist beyond the next operation on c, the caller is
+ * responsible for copying it.
+ */
+char *ccn_charbuf_as_string(struct ccn_charbuf *c);
+
+#endif