- Updated to new upstream.

6 files changed, 800 insertions, 0 deletions

diff --git a/src/libstrongswan/plugins/random/Makefile.am b/src/libstrongswan/plugins/random/Makefile.am
new file mode 100644
index 000000000..8b61d7094
--- /dev/null
+++ b/src/libstrongswan/plugins/random/Makefile.am
@@ -0,0 +1,11 @@
+
+INCLUDES = -I$(top_srcdir)/src/libstrongswan
+
+AM_CFLAGS = -rdynamic
+
+plugin_LTLIBRARIES = libstrongswan-random.la
+
+libstrongswan_random_la_SOURCES = random_plugin.h random_plugin.c \
+  random_rng.c random_rng.h
+libstrongswan_random_la_LDFLAGS = -module
+
diff --git a/src/libstrongswan/plugins/random/Makefile.in b/src/libstrongswan/plugins/random/Makefile.in
new file mode 100644
index 000000000..c4baa04b3
--- /dev/null
+++ b/src/libstrongswan/plugins/random/Makefile.in
@@ -0,0 +1,497 @@
+# Makefile.in generated by automake 1.10.1 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
+# 2003, 2004, 2005, 2006, 2007, 2008  Free Software Foundation, Inc.
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
+VPATH = @srcdir@
+pkgdatadir = $(datadir)/@PACKAGE@
+pkglibdir = $(libdir)/@PACKAGE@
+pkgincludedir = $(includedir)/@PACKAGE@
+am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
+install_sh_DATA = $(install_sh) -c -m 644
+install_sh_PROGRAM = $(install_sh) -c
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+INSTALL_HEADER = $(INSTALL_DATA)
+transform = $(program_transform_name)
+NORMAL_INSTALL = :
+PRE_INSTALL = :
+POST_INSTALL = :
+NORMAL_UNINSTALL = :
+PRE_UNINSTALL = :
+POST_UNINSTALL = :
+build_triplet = @build@
+host_triplet = @host@
+subdir = src/libstrongswan/plugins/random
+DIST_COMMON = $(srcdir)/Makefile.am $(srcdir)/Makefile.in
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+am__aclocal_m4_deps = $(top_srcdir)/configure.in
+am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
+	$(ACLOCAL_M4)
+mkinstalldirs = $(install_sh) -d
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+am__vpath_adj_setup = srcdirstrip=`echo "$(srcdir)" | sed 's|.|.|g'`;
+am__vpath_adj = case $$p in \
+    $(srcdir)/*) f=`echo "$$p" | sed "s|^$$srcdirstrip/||"`;; \
+    *) f=$$p;; \
+  esac;
+am__strip_dir = `echo $$p | sed -e 's|^.*/||'`;
+am__installdirs = "$(DESTDIR)$(plugindir)"
+pluginLTLIBRARIES_INSTALL = $(INSTALL)
+LTLIBRARIES = $(plugin_LTLIBRARIES)
+libstrongswan_random_la_LIBADD =
+am_libstrongswan_random_la_OBJECTS = random_plugin.lo random_rng.lo
+libstrongswan_random_la_OBJECTS =  \
+	$(am_libstrongswan_random_la_OBJECTS)
+libstrongswan_random_la_LINK = $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) \
+	$(LIBTOOLFLAGS) --mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) \
+	$(libstrongswan_random_la_LDFLAGS) $(LDFLAGS) -o $@
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+	--mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) \
+	$(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
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+LINK = $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \
+	--mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) $(AM_LDFLAGS) \
+	$(LDFLAGS) -o $@
+SOURCES = $(libstrongswan_random_la_SOURCES)
+DIST_SOURCES = $(libstrongswan_random_la_SOURCES)
+ETAGS = etags
+CTAGS = ctags
+DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST)
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+IPSEC_ROUTING_TABLE_PRIO = @IPSEC_ROUTING_TABLE_PRIO@
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+INCLUDES = -I$(top_srcdir)/src/libstrongswan
+AM_CFLAGS = -rdynamic
+plugin_LTLIBRARIES = libstrongswan-random.la
+libstrongswan_random_la_SOURCES = random_plugin.h random_plugin.c \
+  random_rng.c random_rng.h
+
+libstrongswan_random_la_LDFLAGS = -module
+all: all-am
+
+.SUFFIXES:
+.SUFFIXES: .c .lo .o .obj
+$(srcdir)/Makefile.in:  $(srcdir)/Makefile.am  $(am__configure_deps)
+	@for dep in $?; do \
+	  case '$(am__configure_deps)' in \
+	    *$$dep*) \
+	      cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh \
+		&& exit 0; \
+	      exit 1;; \
+	  esac; \
+	done; \
+	echo ' cd $(top_srcdir) && $(AUTOMAKE) --gnu  src/libstrongswan/plugins/random/Makefile'; \
+	cd $(top_srcdir) && \
+	  $(AUTOMAKE) --gnu  src/libstrongswan/plugins/random/Makefile
+.PRECIOUS: Makefile
+Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
+	@case '$?' in \
+	  *config.status*) \
+	    cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \
+	  *) \
+	    echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe)'; \
+	    cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe);; \
+	esac;
+
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+$(top_srcdir)/configure:  $(am__configure_deps)
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+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
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+	test -z "$(plugindir)" || $(MKDIR_P) "$(DESTDIR)$(plugindir)"
+	@list='$(plugin_LTLIBRARIES)'; for p in $$list; do \
+	  if test -f $$p; then \
+	    f=$(am__strip_dir) \
+	    echo " $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=install $(pluginLTLIBRARIES_INSTALL) $(INSTALL_STRIP_FLAG) '$$p' '$(DESTDIR)$(plugindir)/$$f'"; \
+	    $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=install $(pluginLTLIBRARIES_INSTALL) $(INSTALL_STRIP_FLAG) "$$p" "$(DESTDIR)$(plugindir)/$$f"; \
+	  else :; fi; \
+	done
+
+uninstall-pluginLTLIBRARIES:
+	@$(NORMAL_UNINSTALL)
+	@list='$(plugin_LTLIBRARIES)'; for p in $$list; do \
+	  p=$(am__strip_dir) \
+	  echo " $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=uninstall rm -f '$(DESTDIR)$(plugindir)/$$p'"; \
+	  $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=uninstall rm -f "$(DESTDIR)$(plugindir)/$$p"; \
+	done
+
+clean-pluginLTLIBRARIES:
+	-test -z "$(plugin_LTLIBRARIES)" || rm -f $(plugin_LTLIBRARIES)
+	@list='$(plugin_LTLIBRARIES)'; for p in $$list; do \
+	  dir="`echo $$p | sed -e 's|/[^/]*$$||'`"; \
+	  test "$$dir" != "$$p" || dir=.; \
+	  echo "rm -f \"$${dir}/so_locations\""; \
+	  rm -f "$${dir}/so_locations"; \
+	done
+libstrongswan-random.la: $(libstrongswan_random_la_OBJECTS) $(libstrongswan_random_la_DEPENDENCIES) 
+	$(libstrongswan_random_la_LINK) -rpath $(plugindir) $(libstrongswan_random_la_OBJECTS) $(libstrongswan_random_la_LIBADD) $(LIBS)
+
+mostlyclean-compile:
+	-rm -f *.$(OBJEXT)
+
+distclean-compile:
+	-rm -f *.tab.c
+
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/random_plugin.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/random_rng.Plo@am__quote@
+
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+
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+.c.lo:
+@am__fastdepCC_TRUE@	$(LTCOMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ $<
+@am__fastdepCC_TRUE@	mv -f $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Plo
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	source='$<' object='$@' libtool=yes @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(LTCOMPILE) -c -o $@ $<
+
+mostlyclean-libtool:
+	-rm -f *.lo
+
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+	-rm -rf .libs _libs
+
+ID: $(HEADERS) $(SOURCES) $(LISP) $(TAGS_FILES)
+	list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \
+	unique=`for i in $$list; do \
+	    if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
+	  done | \
+	  $(AWK) '{ files[$$0] = 1; nonemtpy = 1; } \
+	      END { if (nonempty) { for (i in files) print i; }; }'`; \
+	mkid -fID $$unique
+tags: TAGS
+
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+	  done | \
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+	fi
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+	  done | \
+	  $(AWK) '{ files[$$0] = 1; nonempty = 1; } \
+	      END { if (nonempty) { for (i in files) print i; }; }'`; \
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+	     $$tags $$unique
+
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+	  && cd $(top_srcdir) \
+	  && gtags -i $(GTAGS_ARGS) $$here
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+distdir: $(DISTFILES)
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+	  */*) $(MKDIR_P) `echo "$$dist_files" | \
+			   sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+			   sort -u` ;; \
+	esac; \
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+	      cp -pR $(srcdir)/$$file $(distdir)$$dir || exit 1; \
+	    fi; \
+	    cp -pR $$d/$$file $(distdir)$$dir || exit 1; \
+	  else \
+	    test -f $(distdir)/$$file \
+	    || cp -p $$d/$$file $(distdir)/$$file \
+	    || exit 1; \
+	  fi; \
+	done
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+	  `test -z '$(STRIP)' || \
+	    echo "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'"` install
+mostlyclean-generic:
+
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+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+clean: clean-am
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+clean-am: clean-generic clean-libtool clean-pluginLTLIBRARIES \
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+distclean: distclean-am
+	-rm -rf ./$(DEPDIR)
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+pdf-am:
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+ps: ps-am
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+ps-am:
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+uninstall-am: uninstall-pluginLTLIBRARIES
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+.PHONY: CTAGS GTAGS all all-am check check-am clean clean-generic \
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+	distclean-tags distdir dvi dvi-am html html-am info info-am \
+	install install-am install-data install-data-am install-dvi \
+	install-dvi-am install-exec install-exec-am install-html \
+	install-html-am install-info install-info-am install-man \
+	install-pdf install-pdf-am install-pluginLTLIBRARIES \
+	install-ps install-ps-am install-strip installcheck \
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+	mostlyclean-generic mostlyclean-libtool pdf pdf-am ps ps-am \
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+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/src/libstrongswan/plugins/random/random_plugin.c b/src/libstrongswan/plugins/random/random_plugin.c
new file mode 100644
index 000000000..3eff81ee0
--- /dev/null
+++ b/src/libstrongswan/plugins/random/random_plugin.c
@@ -0,0 +1,62 @@
+/*
+ * Copyright (C) 2008 Martin Willi
+ * Hochschule fuer Technik Rapperswil
+ *
+ * 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; either version 2 of the License, or (at your
+ * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * 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.
+ *
+ * $Id$
+ */
+
+#include "random_plugin.h"
+
+#include <library.h>
+#include "random_rng.h"
+
+typedef struct private_random_plugin_t private_random_plugin_t;
+
+/**
+ * private data of random_plugin
+ */
+struct private_random_plugin_t {
+
+	/**
+	 * public functions
+	 */
+	random_plugin_t public;
+};
+
+/**
+ * Implementation of random_plugin_t.gmptroy
+ */
+static void destroy(private_random_plugin_t *this)
+{
+	lib->crypto->remove_rng(lib->crypto,
+							(rng_constructor_t)random_rng_create);
+	free(this);
+}
+
+/*
+ * see header file
+ */
+plugin_t *plugin_create()
+{
+	private_random_plugin_t *this = malloc_thing(private_random_plugin_t);
+	
+	this->public.plugin.destroy = (void(*)(plugin_t*))destroy;
+	
+	lib->crypto->add_rng(lib->crypto, RNG_STRONG, 
+						 (rng_constructor_t)random_rng_create);
+	lib->crypto->add_rng(lib->crypto, RNG_REAL, 
+						 (rng_constructor_t)random_rng_create);
+	
+	return &this->public.plugin;
+}
+
diff --git a/src/libstrongswan/plugins/random/random_plugin.h b/src/libstrongswan/plugins/random/random_plugin.h
new file mode 100644
index 000000000..9e8b99387
--- /dev/null
+++ b/src/libstrongswan/plugins/random/random_plugin.h
@@ -0,0 +1,47 @@
+/*
+ * Copyright (C) 2008 Martin Willi
+ * Hochschule fuer Technik Rapperswil
+ *
+ * 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; either version 2 of the License, or (at your
+ * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * 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.
+ */
+
+/**
+ * @defgroup random_p random
+ * @ingroup plugins
+ * 
+ * @defgroup random_plugin random_plugin
+ * @{ @ingroup random_p
+ */
+
+#ifndef RANDOM_PLUGIN_H_
+#define RANDOM_PLUGIN_H_
+
+#include <plugins/plugin.h>
+
+typedef struct random_plugin_t random_plugin_t;
+
+/**
+ * Plugin implementing a RNG reading from /dev/[u]random.
+ */
+struct random_plugin_t {
+
+	/**
+	 * implements plugin interface
+	 */
+	plugin_t plugin;
+};
+
+/**
+ * Create a random_plugin instance.
+ */
+plugin_t *plugin_create();
+
+#endif /* RANDOM_PLUGIN_H_ @}*/
diff --git a/src/libstrongswan/plugins/random/random_rng.c b/src/libstrongswan/plugins/random/random_rng.c
new file mode 100644
index 000000000..1aadc88bd
--- /dev/null
+++ b/src/libstrongswan/plugins/random/random_rng.c
@@ -0,0 +1,134 @@
+/*
+ * Copyright (C) 2005-2008 Martin Willi
+ * Copyright (C) 2005 Jan Hutter
+ * Hochschule fuer Technik Rapperswil
+ *
+ * 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; either version 2 of the License, or (at your
+ * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * 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.
+ *
+ * $Id$
+ */
+
+#include <string.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <errno.h>
+#include <debug.h>
+
+#include "random_rng.h"
+
+#ifndef DEV_RANDOM
+# define DEV_RANDOM "/dev/random"
+#endif
+
+#ifndef DEV_URANDOM
+# define DEV_URANDOM "/dev/urandom"
+#endif
+
+typedef struct private_random_rng_t private_random_rng_t;
+
+/**
+ * Private data of an random_rng_t object.
+ */
+struct private_random_rng_t {
+
+	/**
+	 * Public random_rng_t interface.
+	 */
+	random_rng_t public;
+	
+	/**
+	 * random device, depends on quality
+	 */
+	int dev;
+	
+	/**
+	 * file we read random bytes from
+	 */
+	char *file;
+};
+
+/**
+ * Implementation of random_rng_t.get_bytes.
+ */
+static void get_bytes(private_random_rng_t *this, size_t bytes,
+					  u_int8_t *buffer)
+{
+	size_t done, got;
+	
+	done = 0;
+	
+	while (done < bytes)
+	{
+		got = read(this->dev, buffer + done, bytes - done);
+		if (got <= 0)
+		{
+			DBG1("reading from \"%s\" failed: %s, retrying...",
+				 this->file, strerror(errno));
+			close(this->dev);
+			sleep(1);
+			this->dev = open(this->file, 0);
+		}
+		done += got;
+	}
+}
+
+/**
+ * Implementation of random_rng_t.allocate_bytes.
+ */
+static void allocate_bytes(private_random_rng_t *this, size_t bytes,
+						   chunk_t *chunk)
+{
+	*chunk = chunk_alloc(bytes);
+	get_bytes(this, chunk->len, chunk->ptr);
+}
+
+/**
+ * Implementation of random_rng_t.destroy.
+ */
+static void destroy(private_random_rng_t *this)
+{
+	close(this->dev);
+	free(this);
+}
+
+/*
+ * Described in header.
+ */
+random_rng_t *random_rng_create(rng_quality_t quality)
+{
+	private_random_rng_t *this = malloc_thing(private_random_rng_t);
+
+	/* public functions */
+	this->public.rng.get_bytes = (void (*) (rng_t *, size_t, u_int8_t*)) get_bytes;
+	this->public.rng.allocate_bytes = (void (*) (rng_t *, size_t, chunk_t*)) allocate_bytes;
+	this->public.rng.destroy = (void (*) (rng_t *))destroy;
+
+	if (quality == RNG_REAL)
+	{
+		this->file = DEV_RANDOM;
+	}
+	else
+	{
+		this->file = DEV_URANDOM;
+	}
+	
+	this->dev = open(this->file, 0);
+	if (this->dev < 0)
+	{
+		DBG1("opening \"%s\" failed: %s", this->file, strerror(errno));
+		free(this);
+		return NULL;
+	}
+	return &this->public;
+}
+
diff --git a/src/libstrongswan/plugins/random/random_rng.h b/src/libstrongswan/plugins/random/random_rng.h
new file mode 100644
index 000000000..7f82353d8
--- /dev/null
+++ b/src/libstrongswan/plugins/random/random_rng.h
@@ -0,0 +1,49 @@
+/*
+ * Copyright (C) 2008 Martin Willi
+ * Hochschule fuer Technik Rapperswil
+ *
+ * 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; either version 2 of the License, or (at your
+ * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * 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.
+ *
+ * $Id$
+ */
+ 
+/**
+ * @defgroup random_rng random_rng
+ * @{ @ingroup utils
+ */
+
+#ifndef RANDOM_RNG_H_
+#define RANDOM_RNG_H_
+
+typedef struct random_rng_t random_rng_t;
+
+#include <library.h>
+
+/**
+ * rng_t implementation on top of /dev/[u]random
+ */
+struct random_rng_t {
+	
+	/**
+	 * Implements rng_t.
+	 */
+	rng_t rng;
+};
+
+/**
+ * Creates an random_rng_t instance.
+ * 
+ * @param quality	required quality of randomness
+ * @return			created random_rng_t
+ */
+random_rng_t *random_rng_create(rng_quality_t quality);
+
+#endif /*RANDOM_RNG_H_ @} */