bind/bind-9.11-rt31459.patch

From f0eee3c150b9b913819ecd864581ba50dd4ae9cf Mon Sep 17 00:00:00 2001
From: Evan Hunt <each@isc.org>
Date: Tue, 12 Sep 2017 19:05:46 -0700
Subject: [PATCH] rebased rt31459c

[rt31459d] update the newer tools

[rt31459d] setup entropy in dns_lib_init()

[rt31459d] silence compiler warning

DNS_OPENSSL_LIBS -> DST_OPENSSL_LIBS

Include new unit test
---
 bin/confgen/keygen.c                     |   7 +
 bin/dnssec/dnssec-dsfromkey.c            |   8 +-
 bin/dnssec/dnssec-importkey.c            |   8 +-
 bin/dnssec/dnssec-revoke.c               |   8 +-
 bin/dnssec/dnssec-settime.c              |   8 +-
 bin/dnssec/dnssec-signzone.c             |  11 +-
 bin/dnssec/dnssec-verify.c               |   8 +-
 bin/dnssec/dnssectool.c                  |  11 +-
 bin/named/server.c                       |   6 +
 bin/nsupdate/nsupdate.c                  |  14 +-
 bin/tests/makejournal.c                  |   6 +-
 bin/tests/system/pipelined/pipequeries.c |  21 +-
 bin/tests/system/pipelined/tests.sh      |   4 +-
 bin/tests/system/rsabigexponent/bigkey.c |   4 +
 bin/tests/system/tkey/keycreate.c        |  26 ++-
 bin/tests/system/tkey/keydelete.c        |  26 ++-
 bin/tests/system/tkey/tests.sh           |   8 +-
 bin/tools/mdig.c                         |   3 +-
 configure                                | 250 +++++++++++++----------
 configure.ac                             |  77 ++++++-
 lib/dns/dst_api.c                        |  21 +-
 lib/dns/include/dst/dst.h                |   8 +
 lib/dns/lib.c                            |  15 +-
 lib/dns/openssl_link.c                   |  72 ++++++-
 lib/dns/pkcs11.c                         |  29 ++-
 lib/dns/tests/Kyuafile                   |   1 +
 lib/dns/tests/Makefile.in                |   7 +
 lib/dns/tests/dstrandom_test.c           | 115 +++++++++++
 lib/dns/win32/libdns.def.in              |   7 +
 lib/isc/entropy.c                        |  24 +++
 lib/isc/include/isc/entropy.h            |  12 ++
 lib/isc/include/isc/platform.h.in        |   5 +
 lib/isc/include/isc/types.h              |   2 +
 lib/isc/pk11.c                           |  12 +-
 lib/isc/win32/include/isc/platform.h.in  |   5 +
 win32utils/Configure                     |  28 ++-
 36 files changed, 702 insertions(+), 175 deletions(-)
 create mode 100644 lib/dns/tests/dstrandom_test.c

diff --git a/bin/confgen/keygen.c b/bin/confgen/keygen.c
index 5015abb..295e16f 100644
--- a/bin/confgen/keygen.c
+++ b/bin/confgen/keygen.c
@@ -165,6 +165,13 @@ generate_key(isc_mem_t *mctx, const char *randomfile, dns_secalg_t alg,
 		randomfile = NULL;
 		open_keyboard = ISC_ENTROPY_KEYBOARDYES;
 	}
+#ifdef ISC_PLATFORM_CRYPTORANDOM
+	if (randomfile != NULL &&
+	    strcmp(randomfile, ISC_PLATFORM_CRYPTORANDOM) == 0) {
+		randomfile = NULL;
+		isc_entropy_usehook(ectx, true);
+	}
+#endif
 	DO("start entropy source", isc_entropy_usebestsource(ectx,
 							     &entropy_source,
 							     randomfile,
diff --git a/bin/dnssec/dnssec-dsfromkey.c b/bin/dnssec/dnssec-dsfromkey.c
index 060892b..c2cc9c7 100644
--- a/bin/dnssec/dnssec-dsfromkey.c
+++ b/bin/dnssec/dnssec-dsfromkey.c
@@ -494,14 +494,14 @@ main(int argc, char **argv) {
 
 	if (ectx == NULL)
 		setup_entropy(mctx, NULL, &ectx);
-	result = isc_hash_create(mctx, ectx, DNS_NAME_MAXWIRE);
-	if (result != ISC_R_SUCCESS)
-		fatal("could not initialize hash");
 	result = dst_lib_init(mctx, ectx,
 			      ISC_ENTROPY_BLOCKING | ISC_ENTROPY_GOODONLY);
 	if (result != ISC_R_SUCCESS)
 		fatal("could not initialize dst: %s",
 		      isc_result_totext(result));
+	result = isc_hash_create(mctx, ectx, DNS_NAME_MAXWIRE);
+	if (result != ISC_R_SUCCESS)
+		fatal("could not initialize hash");
 	isc_entropy_stopcallbacksources(ectx);
 
 	setup_logging(mctx, &log);
@@ -563,8 +563,8 @@ main(int argc, char **argv) {
 	if (dns_rdataset_isassociated(&rdataset))
 		dns_rdataset_disassociate(&rdataset);
 	cleanup_logging(&log);
-	dst_lib_destroy();
 	isc_hash_destroy();
+	dst_lib_destroy();
 	cleanup_entropy(&ectx);
 	dns_name_destroy();
 	if (verbose > 10)
diff --git a/bin/dnssec/dnssec-importkey.c b/bin/dnssec/dnssec-importkey.c
index 0d1e7f8..79c4d74 100644
--- a/bin/dnssec/dnssec-importkey.c
+++ b/bin/dnssec/dnssec-importkey.c
@@ -407,14 +407,14 @@ main(int argc, char **argv) {
 
 	if (ectx == NULL)
 		setup_entropy(mctx, NULL, &ectx);
-	result = isc_hash_create(mctx, ectx, DNS_NAME_MAXWIRE);
-	if (result != ISC_R_SUCCESS)
-		fatal("could not initialize hash");
 	result = dst_lib_init(mctx, ectx,
 			      ISC_ENTROPY_BLOCKING | ISC_ENTROPY_GOODONLY);
 	if (result != ISC_R_SUCCESS)
 		fatal("could not initialize dst: %s",
 		      isc_result_totext(result));
+	result = isc_hash_create(mctx, ectx, DNS_NAME_MAXWIRE);
+	if (result != ISC_R_SUCCESS)
+		fatal("could not initialize hash");
 	isc_entropy_stopcallbacksources(ectx);
 
 	setup_logging(mctx, &log);
@@ -458,8 +458,8 @@ main(int argc, char **argv) {
 	if (dns_rdataset_isassociated(&rdataset))
 		dns_rdataset_disassociate(&rdataset);
 	cleanup_logging(&log);
-	dst_lib_destroy();
 	isc_hash_destroy();
+	dst_lib_destroy();
 	cleanup_entropy(&ectx);
 	dns_name_destroy();
 	if (verbose > 10)
diff --git a/bin/dnssec/dnssec-revoke.c b/bin/dnssec/dnssec-revoke.c
index 7d82dbf..10f9359 100644
--- a/bin/dnssec/dnssec-revoke.c
+++ b/bin/dnssec/dnssec-revoke.c
@@ -184,14 +184,14 @@ main(int argc, char **argv) {
 
 	if (ectx == NULL)
 		setup_entropy(mctx, NULL, &ectx);
-	result = isc_hash_create(mctx, ectx, DNS_NAME_MAXWIRE);
-	if (result != ISC_R_SUCCESS)
-		fatal("Could not initialize hash");
 	result = dst_lib_init2(mctx, ectx, engine,
 			       ISC_ENTROPY_BLOCKING | ISC_ENTROPY_GOODONLY);
 	if (result != ISC_R_SUCCESS)
 		fatal("Could not initialize dst: %s",
 		      isc_result_totext(result));
+	result = isc_hash_create(mctx, ectx, DNS_NAME_MAXWIRE);
+	if (result != ISC_R_SUCCESS)
+		fatal("Could not initialize hash");
 	isc_entropy_stopcallbacksources(ectx);
 
 	result = dst_key_fromnamedfile(filename, dir,
@@ -273,8 +273,8 @@ main(int argc, char **argv) {
 
 cleanup:
 	dst_key_free(&key);
-	dst_lib_destroy();
 	isc_hash_destroy();
+	dst_lib_destroy();
 	cleanup_entropy(&ectx);
 	if (verbose > 10)
 		isc_mem_stats(mctx, stdout);
diff --git a/bin/dnssec/dnssec-settime.c b/bin/dnssec/dnssec-settime.c
index f355903..6a2ca59 100644
--- a/bin/dnssec/dnssec-settime.c
+++ b/bin/dnssec/dnssec-settime.c
@@ -382,14 +382,14 @@ main(int argc, char **argv) {
 
 	if (ectx == NULL)
 		setup_entropy(mctx, NULL, &ectx);
-	result = isc_hash_create(mctx, ectx, DNS_NAME_MAXWIRE);
-	if (result != ISC_R_SUCCESS)
-		fatal("Could not initialize hash");
 	result = dst_lib_init2(mctx, ectx, engine,
 			       ISC_ENTROPY_BLOCKING | ISC_ENTROPY_GOODONLY);
 	if (result != ISC_R_SUCCESS)
 		fatal("Could not initialize dst: %s",
 		      isc_result_totext(result));
+	result = isc_hash_create(mctx, ectx, DNS_NAME_MAXWIRE);
+	if (result != ISC_R_SUCCESS)
+		fatal("Could not initialize hash");
 	isc_entropy_stopcallbacksources(ectx);
 
 	if (predecessor != NULL) {
@@ -674,8 +674,8 @@ main(int argc, char **argv) {
 	if (prevkey != NULL)
 		dst_key_free(&prevkey);
 	dst_key_free(&key);
-	dst_lib_destroy();
 	isc_hash_destroy();
+	dst_lib_destroy();
 	cleanup_entropy(&ectx);
 	if (verbose > 10)
 		isc_mem_stats(mctx, stdout);
diff --git a/bin/dnssec/dnssec-signzone.c b/bin/dnssec/dnssec-signzone.c
index c6a0313..6ddaebe 100644
--- a/bin/dnssec/dnssec-signzone.c
+++ b/bin/dnssec/dnssec-signzone.c
@@ -3460,14 +3460,15 @@ main(int argc, char *argv[]) {
 	if (!pseudorandom)
 		eflags |= ISC_ENTROPY_GOODONLY;
 
-	result = isc_hash_create(mctx, ectx, DNS_NAME_MAXWIRE);
-	if (result != ISC_R_SUCCESS)
-		fatal("could not create hash context");
-
 	result = dst_lib_init2(mctx, ectx, engine, eflags);
 	if (result != ISC_R_SUCCESS)
 		fatal("could not initialize dst: %s",
 		      isc_result_totext(result));
+
+	result = isc_hash_create(mctx, ectx, DNS_NAME_MAXWIRE);
+	if (result != ISC_R_SUCCESS)
+		fatal("could not create hash context");
+
 	isc_stdtime_get(&now);
 
 	if (startstr != NULL) {
@@ -3879,8 +3880,8 @@ main(int argc, char *argv[]) {
 	dns_master_styledestroy(&dsstyle, mctx);
 
 	cleanup_logging(&log);
-	dst_lib_destroy();
 	isc_hash_destroy();
+	dst_lib_destroy();
 	cleanup_entropy(&ectx);
 	dns_name_destroy();
 	if (verbose > 10)
diff --git a/bin/dnssec/dnssec-verify.c b/bin/dnssec/dnssec-verify.c
index 4c293bf..3263cbc 100644
--- a/bin/dnssec/dnssec-verify.c
+++ b/bin/dnssec/dnssec-verify.c
@@ -281,15 +281,15 @@ main(int argc, char *argv[]) {
 	if (ectx == NULL)
 		setup_entropy(mctx, NULL, &ectx);
 
-	result = isc_hash_create(mctx, ectx, DNS_NAME_MAXWIRE);
-	if (result != ISC_R_SUCCESS)
-		fatal("could not create hash context");
-
 	result = dst_lib_init2(mctx, ectx, engine, ISC_ENTROPY_BLOCKING);
 	if (result != ISC_R_SUCCESS)
 		fatal("could not initialize dst: %s",
 		      isc_result_totext(result));
 
+	result = isc_hash_create(mctx, ectx, DNS_NAME_MAXWIRE);
+	if (result != ISC_R_SUCCESS)
+		fatal("could not create hash context");
+
 	isc_stdtime_get(&now);
 
 	rdclass = strtoclass(classname);
diff --git a/bin/dnssec/dnssectool.c b/bin/dnssec/dnssectool.c
index fbc7ece..31a99e7 100644
--- a/bin/dnssec/dnssectool.c
+++ b/bin/dnssec/dnssectool.c
@@ -34,6 +34,7 @@
 #include <isc/heap.h>
 #include <isc/list.h>
 #include <isc/mem.h>
+#include <isc/platform.h>
 #include <isc/print.h>
 #include <isc/string.h>
 #include <isc/time.h>
@@ -235,7 +236,8 @@ setup_entropy(isc_mem_t *mctx, const char *randomfile, isc_entropy_t **ectx) {
 	if (*ectx == NULL) {
 		result = isc_entropy_create(mctx, ectx);
 		if (result != ISC_R_SUCCESS)
-			fatal("could not create entropy object");
+			fatal("could not create entropy object: %s",
+			      isc_result_totext(result));
 		ISC_LIST_INIT(sources);
 	}
 
@@ -244,6 +246,13 @@ setup_entropy(isc_mem_t *mctx, const char *randomfile, isc_entropy_t **ectx) {
 		randomfile = NULL;
 	}
 
+#ifdef ISC_PLATFORM_CRYPTORANDOM
+	if (randomfile != NULL &&
+	    strcmp(randomfile, ISC_PLATFORM_CRYPTORANDOM) == 0) {
+		randomfile = NULL;
+		isc_entropy_usehook(*ectx, true);
+	}
+#endif
 	result = isc_entropy_usebestsource(*ectx, &source, randomfile,
 					   usekeyboard);
 
diff --git a/bin/named/server.c b/bin/named/server.c
index 767d83f..d3c2f9d 100644
--- a/bin/named/server.c
+++ b/bin/named/server.c
@@ -36,6 +36,7 @@
 #include <isc/lex.h>
 #include <isc/meminfo.h>
 #include <isc/parseint.h>
+#include <isc/platform.h>
 #include <isc/portset.h>
 #include <isc/print.h>
 #include <isc/random.h>
@@ -8208,6 +8209,10 @@ load_configuration(const char *filename, ns_server_t *server,
 				      "no source of entropy found");
 		} else {
 			const char *randomdev = cfg_obj_asstring(obj);
+#ifdef ISC_PLATFORM_CRYPTORANDOM
+			if (strcmp(randomdev, ISC_PLATFORM_CRYPTORANDOM) == 0)
+				isc_entropy_usehook(ns_g_entropy, true);
+#else
 			int level = ISC_LOG_ERROR;
 			result = isc_entropy_createfilesource(ns_g_entropy,
 							      randomdev);
@@ -8242,6 +8247,7 @@ load_configuration(const char *filename, ns_server_t *server,
 				}
 				isc_entropy_detach(&ns_g_fallbackentropy);
 			}
+#endif
 #endif
 		}
 	}
diff --git a/bin/nsupdate/nsupdate.c b/bin/nsupdate/nsupdate.c
index bbb3936..0286987 100644
--- a/bin/nsupdate/nsupdate.c
+++ b/bin/nsupdate/nsupdate.c
@@ -272,7 +272,8 @@ setup_entropy(isc_mem_t *mctx, const char *randomfile, isc_entropy_t **ectx) {
 	if (*ectx == NULL) {
 		result = isc_entropy_create(mctx, ectx);
 		if (result != ISC_R_SUCCESS)
-			fatal("could not create entropy object");
+			fatal("could not create entropy object: %s",
+			      isc_result_totext(result));
 		ISC_LIST_INIT(sources);
 	}
 
@@ -281,6 +282,13 @@ setup_entropy(isc_mem_t *mctx, const char *randomfile, isc_entropy_t **ectx) {
 		randomfile = NULL;
 	}
 
+#ifdef ISC_PLATFORM_CRYPTORANDOM
+	if (randomfile != NULL &&
+	    strcmp(randomfile, ISC_PLATFORM_CRYPTORANDOM) == 0) {
+		randomfile = NULL;
+		isc_entropy_usehook(*ectx, true);
+	}
+#endif
 	result = isc_entropy_usebestsource(*ectx, &source, randomfile,
 					   usekeyboard);
 
@@ -979,11 +987,11 @@ setup_system(void) {
 		}
 	}
 
-	setup_entropy(gmctx, NULL, &entropy);
+	if (entropy == NULL)
+		setup_entropy(gmctx, NULL, &entropy);
 
 	result = isc_hash_create(gmctx, entropy, DNS_NAME_MAXWIRE);
 	check_result(result, "isc_hash_create");
-	isc_hash_init();
 
 	result = dns_dispatchmgr_create(gmctx, entropy, &dispatchmgr);
 	check_result(result, "dns_dispatchmgr_create");
diff --git a/bin/tests/makejournal.c b/bin/tests/makejournal.c
index 61a41b0..acc71a1 100644
--- a/bin/tests/makejournal.c
+++ b/bin/tests/makejournal.c
@@ -102,12 +102,12 @@ main(int argc, char **argv) {
 	CHECK(isc_mem_create(0, 0, &mctx));
 	CHECK(isc_entropy_create(mctx, &ectx));
 
-	CHECK(isc_hash_create(mctx, ectx, DNS_NAME_MAXWIRE));
-	hash_active = true;
-
 	CHECK(dst_lib_init(mctx, ectx, ISC_ENTROPY_BLOCKING));
 	dst_active = true;
 
+	CHECK(isc_hash_create(mctx, ectx, DNS_NAME_MAXWIRE));
+	hash_active = true;
+
 	CHECK(isc_log_create(mctx, &lctx, &logconfig));
 	isc_log_registercategories(lctx, categories);
 	isc_log_setcontext(lctx);
diff --git a/bin/tests/system/pipelined/pipequeries.c b/bin/tests/system/pipelined/pipequeries.c
index 2fcc064..7b4f617 100644
--- a/bin/tests/system/pipelined/pipequeries.c
+++ b/bin/tests/system/pipelined/pipequeries.c
@@ -204,6 +204,7 @@ sendqueries(isc_task_t *task, isc_event_t *event) {
 
 int
 main(int argc, char *argv[]) {
+	char *randomfile = NULL;
 	isc_sockaddr_t bind_any;
 	struct in_addr inaddr;
 	isc_result_t result;
@@ -224,7 +225,8 @@ main(int argc, char *argv[]) {
 	UNUSED(argv);
 
 	isc_commandline_errprint = false;
-	while ((c = isc_commandline_parse(argc, argv, "p:")) != -1) {
+	while ((c = isc_commandline_parse(argc, argv, "p:r:")) != -1)
+	{
 		switch (c) {
 		case 'p':
 			result = isc_parse_uint16(&port,
@@ -235,6 +237,9 @@ main(int argc, char *argv[]) {
 				exit(1);
 			}
 			break;
+		case 'r':
+			randomfile = isc_commandline_argument;
+			break;
 		case '?':
 			fprintf(stderr, "%s: invalid argument '%c'",
 				argv[0], c);
@@ -276,10 +281,18 @@ main(int argc, char *argv[]) {
 
 	ectx = NULL;
 	RUNCHECK(isc_entropy_create(mctx, &ectx));
-	RUNCHECK(isc_entropy_createfilesource(ectx, "../random.data"));
-	RUNCHECK(isc_hash_create(mctx, ectx, DNS_NAME_MAXWIRE));
+#ifdef ISC_PLATFORM_CRYPTORANDOM
+	if (randomfile != NULL &&
+	    strcmp(randomfile, ISC_PLATFORM_CRYPTORANDOM) == 0) {
+		randomfile = NULL;
+		isc_entropy_usehook(ectx, true);
+	}
+#endif
+	if (randomfile != NULL)
+		RUNCHECK(isc_entropy_createfilesource(ectx, randomfile));
 
 	RUNCHECK(dst_lib_init(mctx, ectx, ISC_ENTROPY_GOODONLY));
+	RUNCHECK(isc_hash_create(mctx, ectx, DNS_NAME_MAXWIRE));
 
 	taskmgr = NULL;
 	RUNCHECK(isc_taskmgr_create(mctx, 1, 0, &taskmgr));
@@ -332,8 +345,8 @@ main(int argc, char *argv[]) {
 	isc_task_detach(&task);
 	isc_taskmgr_destroy(&taskmgr);
 
-	dst_lib_destroy();
 	isc_hash_destroy();
+	dst_lib_destroy();
 	isc_entropy_detach(&ectx);
 
 	isc_log_destroy(&lctx);
diff --git a/bin/tests/system/pipelined/tests.sh b/bin/tests/system/pipelined/tests.sh
index 61f1ff7..ed1302a 100644
--- a/bin/tests/system/pipelined/tests.sh
+++ b/bin/tests/system/pipelined/tests.sh
@@ -19,7 +19,7 @@ status=0
 
 echo_i "check pipelined TCP queries"
 ret=0
-$PIPEQUERIES -p ${PORT} < input > raw || ret=1
+$PIPEQUERIES -p ${PORT} -r $RANDFILE < input > raw || ret=1
 awk '{ print $1 " " $5 }' < raw > output
 sort < output > output-sorted
 $DIFF ref output-sorted || { ret=1 ; echo_i "diff sorted failed"; }
@@ -43,7 +43,7 @@ status=`expr $status + $ret`
 
 echo_i "check keep-response-order"
 ret=0
-$PIPEQUERIES -p ${PORT} ++ < inputb > rawb || ret=1
+$PIPEQUERIES -p ${PORT} -r $RANDFILE ++ < inputb > rawb || ret=1
 awk '{ print $1 " " $5 }' < rawb > outputb
 $DIFF refb outputb || ret=1
 if [ $ret != 0 ]; then echo_i "failed"; fi
diff --git a/bin/tests/system/rsabigexponent/bigkey.c b/bin/tests/system/rsabigexponent/bigkey.c
index 4462f2e..f06268d 100644
--- a/bin/tests/system/rsabigexponent/bigkey.c
+++ b/bin/tests/system/rsabigexponent/bigkey.c
@@ -20,6 +20,7 @@
 #include <isc/buffer.h>
 #include <isc/entropy.h>
 #include <isc/mem.h>
+#include <isc/platform.h>
 #include <isc/print.h>
 #include <isc/region.h>
 #include <isc/stdio.h>
@@ -183,6 +184,9 @@ main(int argc, char **argv) {
 
 	CHECK(isc_mem_create(0, 0, &mctx), "isc_mem_create()");
 	CHECK(isc_entropy_create(mctx, &ectx), "isc_entropy_create()");
+#ifdef ISC_PLATFORM_CRYPTORANDOM
+	isc_entropy_usehook(ectx, true);
+#endif
 	CHECK(isc_entropy_usebestsource(ectx, &source,
 					"../random.data",
 					ISC_ENTROPY_KEYBOARDNO),
diff --git a/bin/tests/system/tkey/keycreate.c b/bin/tests/system/tkey/keycreate.c
index 653c951..fe8698e 100644
--- a/bin/tests/system/tkey/keycreate.c
+++ b/bin/tests/system/tkey/keycreate.c
@@ -206,6 +206,7 @@ sendquery(isc_task_t *task, isc_event_t *event) {
 int
 main(int argc, char *argv[]) {
 	char *ourkeyname;
+	char *randomfile;
 	isc_taskmgr_t *taskmgr;
 	isc_timermgr_t *timermgr;
 	isc_socketmgr_t *socketmgr;
@@ -225,10 +226,21 @@ main(int argc, char *argv[]) {
 
 	RUNCHECK(isc_app_start());
 
+	randomfile = NULL;
+
 	if (argc < 2) {
 		fprintf(stderr, "I:no DH key provided\n");
 		exit(-1);
 	}
+	if (strcmp(argv[1], "-r") == 0) {
+		if (argc < 4) {
+			fprintf(stderr, "I:no DH key provided\n");
+			exit(-1);
+		}
+		randomfile = argv[2];
+		argv += 2;
+		argc -= 2;
+	}
 	ourkeyname = argv[1];
 
 	if (argc >= 3)
@@ -242,14 +254,22 @@ main(int argc, char *argv[]) {
 
 	ectx = NULL;
 	RUNCHECK(isc_entropy_create(mctx, &ectx));
-	RUNCHECK(isc_entropy_createfilesource(ectx, "../random.data"));
-	RUNCHECK(isc_hash_create(mctx, ectx, DNS_NAME_MAXWIRE));
+#ifdef ISC_PLATFORM_CRYPTORANDOM
+	if (randomfile != NULL &&
+	    strcmp(randomfile, ISC_PLATFORM_CRYPTORANDOM) == 0) {
+		randomfile = NULL;
+		isc_entropy_usehook(ectx, true);
+	}
+#endif
+	if (randomfile != NULL)
+		RUNCHECK(isc_entropy_createfilesource(ectx, randomfile));
 
 	log = NULL;
 	logconfig = NULL;
 	RUNCHECK(isc_log_create(mctx, &log, &logconfig));
 
 	RUNCHECK(dst_lib_init(mctx, ectx, ISC_ENTROPY_GOODONLY));
+	RUNCHECK(isc_hash_create(mctx, ectx, DNS_NAME_MAXWIRE));
 
 	taskmgr = NULL;
 	RUNCHECK(isc_taskmgr_create(mctx, 1, 0, &taskmgr));
@@ -328,8 +348,8 @@ main(int argc, char *argv[]) {
 
 	isc_log_destroy(&log);
 
-	dst_lib_destroy();
 	isc_hash_destroy();
+	dst_lib_destroy();
 	isc_entropy_detach(&ectx);
 
 	isc_mem_destroy(&mctx);
diff --git a/bin/tests/system/tkey/keydelete.c b/bin/tests/system/tkey/keydelete.c
index 70a40c3..2146f9b 100644
--- a/bin/tests/system/tkey/keydelete.c
+++ b/bin/tests/system/tkey/keydelete.c
@@ -136,6 +136,7 @@ sendquery(isc_task_t *task, isc_event_t *event) {
 int
 main(int argc, char **argv) {
 	char *keyname;
+	char *randomfile;
 	isc_taskmgr_t *taskmgr;
 	isc_timermgr_t *timermgr;
 	isc_socketmgr_t *socketmgr;
@@ -156,10 +157,21 @@ main(int argc, char **argv) {
 
 	RUNCHECK(isc_app_start());
 
+	randomfile = NULL;
+
 	if (argc < 2) {
 		fprintf(stderr, "I:no key to delete\n");
 		exit(-1);
 	}
+	if (strcmp(argv[1], "-r") == 0) {
+		if (argc < 4) {
+			fprintf(stderr, "I:no DH key provided\n");
+			exit(-1);
+		}
+		randomfile = argv[2];
+		argv += 2;
+		argc -= 2;
+	}
 	keyname = argv[1];
 
 	dns_result_register();
@@ -169,14 +181,22 @@ main(int argc, char **argv) {
 
 	ectx = NULL;
 	RUNCHECK(isc_entropy_create(mctx, &ectx));
-	RUNCHECK(isc_entropy_createfilesource(ectx, "../random.data"));
-	RUNCHECK(isc_hash_create(mctx, ectx, DNS_NAME_MAXWIRE));
+#ifdef ISC_PLATFORM_CRYPTORANDOM
+	if (randomfile != NULL &&
+	    strcmp(randomfile, ISC_PLATFORM_CRYPTORANDOM) == 0) {
+		randomfile = NULL;
+		isc_entropy_usehook(ectx, true);
+	}
+#endif
+	if (randomfile != NULL)
+		RUNCHECK(isc_entropy_createfilesource(ectx, randomfile));
 
 	log = NULL;
 	logconfig = NULL;
 	RUNCHECK(isc_log_create(mctx, &log, &logconfig));
 
 	RUNCHECK(dst_lib_init(mctx, ectx, ISC_ENTROPY_GOODONLY));
+	RUNCHECK(isc_hash_create(mctx, ectx, DNS_NAME_MAXWIRE));
 
 	taskmgr = NULL;
 	RUNCHECK(isc_taskmgr_create(mctx, 1, 0, &taskmgr));
@@ -264,8 +284,8 @@ main(int argc, char **argv) {
 
 	isc_log_destroy(&log);
 
-	dst_lib_destroy();
 	isc_hash_destroy();
+	dst_lib_destroy();
 	isc_entropy_detach(&ectx);
 
 	isc_mem_destroy(&mctx);
diff --git a/bin/tests/system/tkey/tests.sh b/bin/tests/system/tkey/tests.sh
index 9f90dd7..fad6c83 100644
--- a/bin/tests/system/tkey/tests.sh
+++ b/bin/tests/system/tkey/tests.sh
@@ -33,7 +33,7 @@ for owner in . foo.example.
 do
 	echo "I:creating new key using owner name \"$owner\""
 	ret=0
-	keyname=`$KEYCREATE $dhkeyname $owner` || ret=1
+	keyname=`$KEYCREATE -r $RANDFILE $dhkeyname $owner` || ret=1
 	if [ $ret != 0 ]; then
 		echo "I:failed"
 		status=`expr $status + $ret`
@@ -55,7 +55,7 @@ do
 
 	echo "I:deleting new key"
 	ret=0
-	$KEYDELETE $keyname || ret=1
+	$KEYDELETE -r $RANDFILE $keyname || ret=1
 	if [ $ret != 0 ]; then
 		echo "I:failed"
 	fi
@@ -75,7 +75,7 @@ done
 
 echo "I:creating new key using owner name bar.example."
 ret=0
-keyname=`$KEYCREATE $dhkeyname bar.example.` || ret=1
+keyname=`$KEYCREATE -r $RANDFILE $dhkeyname bar.example.` || ret=1
 if [ $ret != 0 ]; then
         echo "I:failed"
 	status=`expr $status + $ret`
@@ -116,7 +116,7 @@ status=`expr $status + $ret`
 
 echo "I:recreating the bar.example. key"
 ret=0
-keyname=`$KEYCREATE $dhkeyname bar.example.` || ret=1
+keyname=`$KEYCREATE -r $RANDFILE $dhkeyname bar.example.` || ret=1
 if [ $ret != 0 ]; then
         echo "I:failed"
 	status=`expr $status + $ret`
diff --git a/bin/tools/mdig.c b/bin/tools/mdig.c
index b27fc1d..e28871b 100644
--- a/bin/tools/mdig.c
+++ b/bin/tools/mdig.c
@@ -1969,12 +1969,11 @@ main(int argc, char *argv[]) {
 
 	ectx = NULL;
 	RUNCHECK(isc_entropy_create(mctx, &ectx));
+	RUNCHECK(dst_lib_init(mctx, ectx, ISC_ENTROPY_GOODONLY));
 	RUNCHECK(isc_hash_create(mctx, ectx, DNS_NAME_MAXWIRE));
 	RUNCHECK(isc_entropy_getdata(ectx, cookie_secret,
 				     sizeof(cookie_secret), NULL, 0));
 
-	RUNCHECK(dst_lib_init(mctx, ectx, ISC_ENTROPY_GOODONLY));
-
 	ISC_LIST_INIT(queries);
 	parse_args(false, argc, argv);
 	if (server == NULL)
diff --git a/configure b/configure
index 4a5db6c..64aca10 100755
--- a/configure
+++ b/configure
@@ -640,6 +640,7 @@ ac_includes_default="\
 
 ac_subst_vars='LTLIBOBJS
 LIBOBJS
+LIBDIR_SUFFIX
 BUILD_LIBS
 BUILD_LDFLAGS
 BUILD_CPPFLAGS
@@ -823,6 +824,7 @@ XMLSTATS
 NZDTARGETS
 NZDSRCS
 NZD_TOOLS
+ISC_PLATFORM_CRYPTORANDOM
 PKCS11_TEST
 PKCS11_ED25519
 PKCS11_GOST
@@ -1047,6 +1049,7 @@ with_eddsa
 with_aes
 enable_openssl_hash
 with_cc_alg
+enable_crypto_rand
 with_lmdb
 with_libxml2
 with_libjson
@@ -1746,6 +1749,7 @@ Optional Features:
   --enable-threads        enable multithreading
   --enable-native-pkcs11  use native PKCS11 for all crypto [default=no]
   --enable-openssl-hash   use OpenSSL for hash functions [default=no]
+  --enable-crypto-rand    use the crypto provider for random [default=yes]
   --enable-largefile      64-bit file support
   --enable-backtrace      log stack backtrace on abort [default=yes]
   --enable-symtable       use internal symbol table for backtrace
@@ -17156,6 +17160,7 @@ case "$use_openssl" in
 $as_echo "disabled because of native PKCS11" >&6; }
 		DST_OPENSSL_INC=""
 		CRYPTO="-DPKCS11CRYPTO"
+		CRYPTOLIB="pkcs11"
 		OPENSSLECDSALINKOBJS=""
 		OPENSSLECDSALINKSRCS=""
 		OPENSSLEDDSALINKOBJS=""
@@ -17170,6 +17175,7 @@ $as_echo "disabled because of native PKCS11" >&6; }
 $as_echo "no" >&6; }
 		DST_OPENSSL_INC=""
 		CRYPTO=""
+		CRYPTOLIB=""
 		OPENSSLECDSALINKOBJS=""
 		OPENSSLECDSALINKSRCS=""
 		OPENSSLEDDSALINKOBJS=""
@@ -17182,6 +17188,7 @@ $as_echo "no" >&6; }
 	auto)
 		DST_OPENSSL_INC=""
 		CRYPTO=""
+		CRYPTOLIB=""
 		OPENSSLECDSALINKOBJS=""
 		OPENSSLECDSALINKSRCS=""
 		OPENSSLEDDSALINKOBJS=""
@@ -17191,7 +17198,7 @@ $as_echo "no" >&6; }
 		OPENSSLLINKOBJS=""
 		OPENSSLLINKSRCS=""
 		as_fn_error $? "OpenSSL was not found in any of $openssldirs; use --with-openssl=/path
-If you don't want OpenSSL, use --without-openssl" "$LINENO" 5
+If you do not want OpenSSL, use --without-openssl" "$LINENO" 5
 		;;
 	*)
 		if test "yes" = "$want_native_pkcs11"
@@ -17222,6 +17229,7 @@ $as_echo "not found" >&6; }
 			as_fn_error $? "\"$use_openssl/include/openssl/opensslv.h\" not found" "$LINENO" 5
 		fi
 		CRYPTO='-DOPENSSL'
+		CRYPTOLIB="openssl"
 		if test "/usr" = "$use_openssl"
 		then
 			DST_OPENSSL_INC=""
@@ -17883,8 +17891,6 @@ fi
 # Use OpenSSL for hash functions
 #
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for using OpenSSL for hash functions" >&5
-$as_echo_n "checking for using OpenSSL for hash functions... " >&6; }
 ISC_PLATFORM_OPENSSLHASH="#undef ISC_PLATFORM_OPENSSLHASH"
 case $want_openssl_hash in
 	yes)
@@ -18259,6 +18265,86 @@ if test "rt" = "$have_clock_gt"; then
 	LIBS="-lrt $LIBS"
 fi
 
+#
+# Use the crypto provider (OpenSSL/PKCS#11) for random functions
+#
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for using the crypto library (vs. builtin) for random functions" >&5
+$as_echo_n "checking for using the crypto library (vs. builtin) for random functions... " >&6; }
+# Check whether --enable-crypto-rand was given.
+if test "${enable_crypto_rand+set}" = set; then :
+  enableval=$enable_crypto_rand; want_crypto_rand="$enableval"
+else
+  want_crypto_rand="auto"
+fi
+
+if test "$want_crypto_rand" = "auto"
+then
+	case "$CRYPTOLIB" in
+	"")
+		want_crypto_rand="no"
+		;;
+	pkcs11)
+		want_crypto_rand="yes"
+		;;
+	openssl)
+		saved_cflags="$CFLAGS"
+		saved_libs="$LIBS"
+		CFLAGS="$CFLAGS $DST_OPENSSL_INC"
+		LIBS="$LIBS $DST_OPENSSL_LIBS"
+		if test "$cross_compiling" = yes; then :
+  want_crypto_rand="yes"
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+#include <openssl/rand.h>
+
+unsigned char buf[128];
+
+int main()
+{
+	if (RAND_bytes(buf, 128) != 1)
+		return (1);
+	return (0);
+}
+
+_ACEOF
+if ac_fn_c_try_run "$LINENO"; then :
+  want_crypto_rand="yes"
+else
+  want_crypto_rand="no"
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+
+		CFLAGS="$saved_cflags"
+		LIBS="$saved_libs"
+		;;
+	*)
+		as_fn_error $? "Unknown crypto library define $CRYPTOLIB" "$LINENO" 5
+		;;
+	esac
+fi
+case $want_crypto_rand in
+	yes)
+		if test "$CRYPTOLIB" = ""
+		then
+			as_fn_error $? "No crypto library for random functions" "$LINENO" 5
+		fi
+		{ $as_echo "$as_me:${as_lineno-$LINENO}: result: \"$CRYPTOLIB\"" >&5
+$as_echo "\"$CRYPTOLIB\"" >&6; }
+		ISC_PLATFORM_CRYPTORANDOM="#define ISC_PLATFORM_CRYPTORANDOM \"$CRYPTOLIB\""
+		;;
+	no)
+		{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+		ISC_PLATFORM_CRYPTORANDOM="#undef ISC_PLATFORM_CRYPTORANDOM"
+		;;
+esac
+
+
 #
 # was --with-lmdb specified?
 #
@@ -20341,9 +20427,12 @@ _ACEOF
 if ac_fn_c_try_compile "$LINENO"; then :
   { $as_echo "$as_me:${as_lineno-$LINENO}: result: size_t for buflen; int for flags" >&5
 $as_echo "size_t for buflen; int for flags" >&6; }
-	 $as_echo "#define IRS_GETNAMEINFO_SOCKLEN_T size_t" >>confdefs.h
+	# Changed to solve multilib conflict on Fedora
+	# AC_DEFINE(IRS_GETNAMEINFO_SOCKLEN_T, size_t)
+	# AC_DEFINE(IRS_GETNAMEINFO_BUFLEN_T, size_t)
+	 $as_echo "#define IRS_GETNAMEINFO_SOCKLEN_T socklen_t" >>confdefs.h
 
-	 $as_echo "#define IRS_GETNAMEINFO_BUFLEN_T size_t" >>confdefs.h
+	 $as_echo "#define IRS_GETNAMEINFO_BUFLEN_T socklen_t" >>confdefs.h
 
 	 $as_echo "#define IRS_GETNAMEINFO_FLAGS_T int" >>confdefs.h
 
@@ -21658,12 +21747,7 @@ ISC_PLATFORM_USEGCCASM="#undef ISC_PLATFORM_USEGCCASM"
 ISC_PLATFORM_USESTDASM="#undef ISC_PLATFORM_USESTDASM"
 ISC_PLATFORM_USEMACASM="#undef ISC_PLATFORM_USEMACASM"
 if test "yes" = "$use_atomic"; then
-	have_atomic=yes		# set default
-	case "$host" in
-	i[3456]86-*)
-		# XXX: some old x86 architectures actually do not support
-		#      (some of) these operations.  Do we need stricter checks?
-		# The cast to long int works around a bug in the HP C Compiler
+	# The cast to long int works around a bug in the HP C Compiler
 # version HP92453-01 B.11.11.23709.GP, which incorrectly rejects
 # declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'.
 # This bug is HP SR number 8606223364.
@@ -21696,6 +21780,11 @@ cat >>confdefs.h <<_ACEOF
 _ACEOF
 
 
+	have_atomic=yes		# set default
+	case "$host" in
+	i[3456]86-*)
+		# XXX: some old x86 architectures actually do not support
+		#      (some of) these operations.  Do we need stricter checks?
 		if test $ac_cv_sizeof_void_p = 8; then
 			arch=x86_64
 			have_xaddq=yes
@@ -21704,39 +21793,6 @@ _ACEOF
 		fi
 	;;
 	x86_64-*|amd64-*)
-		# The cast to long int works around a bug in the HP C Compiler
-# version HP92453-01 B.11.11.23709.GP, which incorrectly rejects
-# declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'.
-# This bug is HP SR number 8606223364.
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking size of void *" >&5
-$as_echo_n "checking size of void *... " >&6; }
-if ${ac_cv_sizeof_void_p+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (void *))" "ac_cv_sizeof_void_p"        "$ac_includes_default"; then :
-
-else
-  if test "$ac_cv_type_void_p" = yes; then
-     { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error 77 "cannot compute sizeof (void *)
-See \`config.log' for more details" "$LINENO" 5; }
-   else
-     ac_cv_sizeof_void_p=0
-   fi
-fi
-
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sizeof_void_p" >&5
-$as_echo "$ac_cv_sizeof_void_p" >&6; }
-
-
-
-cat >>confdefs.h <<_ACEOF
-#define SIZEOF_VOID_P $ac_cv_sizeof_void_p
-_ACEOF
-
-
 		if test $ac_cv_sizeof_void_p = 8; then
 			arch=x86_64
 			have_xaddq=yes
@@ -21767,6 +21823,10 @@ $as_echo_n "checking architecture type for atomic operations... " >&6; }
 $as_echo "$arch" >&6; }
 fi
 
+if test ! "$arch" = "x86_64" -a "$have_xaddq" = "yes"; then
+	as_fn_error $? "XADDQ present but disabled by Fedora patch!" "$LINENO" 5
+fi
+
 if test "yes" = "$have_atomic"; then
 	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking compiler support for inline assembly code" >&5
 $as_echo_n "checking compiler support for inline assembly code... " >&6; }
@@ -24372,6 +24432,30 @@ CFLAGS="$CFLAGS $SO_CFLAGS"
 #
 dlzdir='${DLZ_DRIVER_DIR}'
 
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for target libdir" >&5
+$as_echo_n "checking for target libdir... " >&6; }
+if test "$cross_compiling" = yes; then :
+  { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error $? "cannot run test program while cross compiling
+See \`config.log' for more details" "$LINENO" 5; }
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+int main(void) {exit((sizeof(void *) == 8) ? 0 : 1);}
+_ACEOF
+if ac_fn_c_try_run "$LINENO"; then :
+  target_lib=lib64
+else
+  target_lib=lib
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: \"$target_lib\"" >&5
+$as_echo "\"$target_lib\"" >&6; }
+
 #
 # Private autoconf macro to simplify configuring drivers:
 #
@@ -24702,11 +24786,11 @@ $as_echo "no" >&6; }
 $as_echo "using mysql with libs ${mysql_lib} and includes ${mysql_include}" >&6; }
 		;;
 	*)
-		if test -d "$use_dlz_mysql/lib/mysql"
+		if test -d $use_dlz_mysql/${target_lib}/mysql
 		then
-			mysql_lib="$use_dlz_mysql/lib/mysql"
+			mysql_lib=$use_dlz_mysql/${target_lib}/mysql
 		else
-			mysql_lib="$use_dlz_mysql/lib"
+			mysql_lib=$use_dlz_mysql/${target_lib}
 		fi
 
 	CONTRIB_DLZ="$CONTRIB_DLZ -DDLZ_MYSQL"
@@ -24791,7 +24875,7 @@ $as_echo "" >&6; }
 			# Check other locations for includes.
 			# Order is important (sigh).
 
-			bdb_incdirs="/db53 /db51 /db48 /db47 /db46 /db45 /db44 /db43 /db42 /db41 /db4 /db"
+			bdb_incdirs="/db53 /db51 /db48 /db47 /db46 /db45 /db44 /db43 /db42 /db41 /db4 /libdb /db"
 			# include a blank element first
 			for d in "" $bdb_incdirs
 			do
@@ -24816,57 +24900,9 @@ $as_echo "" >&6; }
 			bdb_libnames="db53 db-5.3 db51 db-5.1 db48 db-4.8 db47 db-4.7 db46 db-4.6 db45 db-4.5 db44 db-4.4 db43 db-4.3 db42 db-4.2 db41 db-4.1 db"
 			for d in $bdb_libnames
 			do
-				if test "$dd" = "/usr"
-				then
-					as_ac_Lib=`$as_echo "ac_cv_lib_$d''_db_create" | $as_tr_sh`
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for db_create in -l$d" >&5
-$as_echo_n "checking for db_create in -l$d... " >&6; }
-if eval \${$as_ac_Lib+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  ac_check_lib_save_LIBS=$LIBS
-LIBS="-l$d  $LIBS"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-
-/* Override any GCC internal prototype to avoid an error.
-   Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.  */
-#ifdef __cplusplus
-extern "C"
-#endif
-char db_create ();
-int
-main ()
-{
-return db_create ();
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
-  eval "$as_ac_Lib=yes"
-else
-  eval "$as_ac_Lib=no"
-fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
-fi
-eval ac_res=\$$as_ac_Lib
-	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
-$as_echo "$ac_res" >&6; }
-if eval test \"x\$"$as_ac_Lib"\" = x"yes"; then :
-  dlz_bdb_libs="-l${d}"
-fi
-
-					if test $dlz_bdb_libs != "yes"
-					then
-						break
-					fi
-				elif test -f "$dd/lib/lib${d}.so"
+				if test -f "$dd/${target_lib}/lib${d}.so"
 				then
-					dlz_bdb_libs="-L${dd}/lib -l${d}"
+					dlz_bdb_libs="-L${dd}/${target_lib}/libdb -l${d}"
 					break
 				fi
 			done
@@ -25025,10 +25061,10 @@ $as_echo "no" >&6; }
 		DLZ_DRIVER_INCLUDES="$DLZ_DRIVER_INCLUDES -I$use_dlz_ldap/include"
 		DLZ_DRIVER_LDAP_INCLUDES="-I$use_dlz_ldap/include"
 	fi
-	if test -n "-L$use_dlz_ldap/lib -lldap -llber"
+	if test -n "-L$use_dlz_ldap/${target_lib} -lldap -llber"
 	then
-		DLZ_DRIVER_LIBS="$DLZ_DRIVER_LIBS -L$use_dlz_ldap/lib -lldap -llber"
-		DLZ_DRIVER_LDAP_LIBS="-L$use_dlz_ldap/lib -lldap -llber"
+		DLZ_DRIVER_LIBS="$DLZ_DRIVER_LIBS -L$use_dlz_ldap/${target_lib} -lldap -llber"
+		DLZ_DRIVER_LDAP_LIBS="-L$use_dlz_ldap/${target_lib} -lldap -llber"
 	fi
 
 
@@ -25114,11 +25150,11 @@ fi
 		odbcdirs="/usr /usr/local /usr/pkg"
 		for d in $odbcdirs
 		do
-			if test -f $d/include/sql.h -a -f $d/lib/libodbc.a
+			if test -f $d/include/sql.h -a -f $d/${target_lib}/libodbc.a
 			then
 				use_dlz_odbc=$d
 				dlz_odbc_include="-I$use_dlz_odbc/include"
-				dlz_odbc_libs="-L$use_dlz_odbc/lib -lodbc"
+				dlz_odbc_libs="-L$use_dlz_odbc/${target_lib} -lodbc"
 				break
 			fi
 		done
@@ -25393,6 +25429,8 @@ DNS_CRYPTO_LIBS="$NEWFLAGS"
 
 
 
+
+
 #
 # Commands to run at the end of config.status.
 # Don't just put these into configure, it won't work right if somebody
@@ -27772,6 +27810,8 @@ report() {
 	    echo "    IPv6 support (--enable-ipv6)"
 	test "X$CRYPTO" = "X" -o "yes" = "$want_native_pkcs11" || \
 		echo "    OpenSSL cryptography/DNSSEC (--with-openssl)"
+        test "no" = "$want_crypto_rand" || \
+                echo "    Crypto provider entropy source (--enable-crypto-rand)"
 	test "X$PYTHON" = "X" || echo "    Python tools (--with-python)"
 	test "X$XMLSTATS" = "X" || echo "    XML statistics (--with-libxml2)"
 	test "X$JSONSTATS" = "X" || echo "    JSON statistics (--with-libjson)"
@@ -27812,6 +27852,8 @@ report() {
 	echo "    Very verbose query trace logging (--enable-querytrace)"
     test "no" = "$with_cmocka" || echo "    CMocka Unit Testing Framework (--with-cmocka)"
 
+    echo "    Cryptographic library for DNSSEC: $CRYPTOLIB"
+
     echo "    Dynamically loadable zone (DLZ) drivers:"
     test "no" = "$use_dlz_bdb" || \
 	echo "        Berkeley DB (--with-dlz-bdb)"
@@ -27859,6 +27901,8 @@ report() {
 	echo "    ECDSA algorithm support (--with-ecdsa)"
     test "X$CRYPTO" = "X" -o "yes" = "$OPENSSL_ED25519" -o "yes" = "$PKCS11_ED25519" || \
 	echo "    EDDSA algorithm support (--with-eddsa)"
+    test "yes" = "$want_crypto_rand" || \
+        echo "    Crypto provider entropy source (--enable-crypto-rand)"
 
     test "yes" = "$enable_seccomp" || \
 	echo "    Use libseccomp system call filtering (--enable-seccomp)"
diff --git a/configure.ac b/configure.ac
index 0dc552c..3b88105 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1572,6 +1572,7 @@ case "$use_openssl" in
 		AC_MSG_RESULT(disabled because of native PKCS11)
 		DST_OPENSSL_INC=""
 		CRYPTO="-DPKCS11CRYPTO"
+		CRYPTOLIB="pkcs11"
 		OPENSSLECDSALINKOBJS=""
 		OPENSSLECDSALINKSRCS=""
 		OPENSSLEDDSALINKOBJS=""
@@ -1585,6 +1586,7 @@ case "$use_openssl" in
 		AC_MSG_RESULT(no)
 		DST_OPENSSL_INC=""
 		CRYPTO=""
+		CRYPTOLIB=""
 		OPENSSLECDSALINKOBJS=""
 		OPENSSLECDSALINKSRCS=""
 		OPENSSLEDDSALINKOBJS=""
@@ -1597,6 +1599,7 @@ case "$use_openssl" in
 	auto)
 		DST_OPENSSL_INC=""
 		CRYPTO=""
+		CRYPTOLIB=""
 		OPENSSLECDSALINKOBJS=""
 		OPENSSLECDSALINKSRCS=""
 		OPENSSLEDDSALINKOBJS=""
@@ -1607,7 +1610,7 @@ case "$use_openssl" in
 		OPENSSLLINKSRCS=""
 		AC_MSG_ERROR(
 [OpenSSL was not found in any of $openssldirs; use --with-openssl=/path
-If you don't want OpenSSL, use --without-openssl])
+If you do not want OpenSSL, use --without-openssl])
 		;;
 	*)
 		if test "yes" = "$want_native_pkcs11"
@@ -1637,6 +1640,7 @@ If you don't want OpenSSL, use --without-openssl])
 			AC_MSG_ERROR(["$use_openssl/include/openssl/opensslv.h" not found])
 		fi
 		CRYPTO='-DOPENSSL'
+		CRYPTOLIB="openssl"
 		if test "/usr" = "$use_openssl"
 		then
 			DST_OPENSSL_INC=""
@@ -2110,7 +2114,6 @@ fi
 # Use OpenSSL for hash functions
 #
 
-AC_MSG_CHECKING(for using OpenSSL for hash functions)
 ISC_PLATFORM_OPENSSLHASH="#undef ISC_PLATFORM_OPENSSLHASH"
 case $want_openssl_hash in
 	yes)
@@ -2382,6 +2385,67 @@ if test "rt" = "$have_clock_gt"; then
 	LIBS="-lrt $LIBS"
 fi
 
+#
+# Use the crypto provider (OpenSSL/PKCS#11) for random functions
+#
+
+AC_MSG_CHECKING(for using the crypto library (vs. builtin) for random functions)
+AC_ARG_ENABLE(crypto-rand,
+	[  --enable-crypto-rand    use the crypto provider for random [[default=yes]]],
+	want_crypto_rand="$enableval", want_crypto_rand="auto")
+if test "$want_crypto_rand" = "auto"
+then
+	case "$CRYPTOLIB" in
+	"")
+		want_crypto_rand="no"
+		;;
+	pkcs11)
+		want_crypto_rand="yes"
+		;;
+	openssl)
+		saved_cflags="$CFLAGS"
+		saved_libs="$LIBS"
+		CFLAGS="$CFLAGS $DST_OPENSSL_INC"
+		LIBS="$LIBS $DST_OPENSSL_LIBS"
+		AC_TRY_RUN([
+#include <openssl/rand.h>
+
+unsigned char buf[128];
+
+int main()
+{
+	if (RAND_bytes(buf, 128) != 1)
+		return (1);
+	return (0);
+}
+],
+		[want_crypto_rand="yes"],
+		[want_crypto_rand="no"],
+		[want_crypto_rand="yes"])
+		CFLAGS="$saved_cflags"
+		LIBS="$saved_libs"
+		;;
+	*)
+		AC_MSG_ERROR([Unknown crypto library define $CRYPTOLIB])
+		;;
+	esac
+fi
+case $want_crypto_rand in
+	yes)
+		if test "$CRYPTOLIB" = ""
+		then
+			AC_MSG_ERROR([No crypto library for random functions])
+		fi
+		AC_MSG_RESULT(["$CRYPTOLIB"])
+		ISC_PLATFORM_CRYPTORANDOM="#define ISC_PLATFORM_CRYPTORANDOM \"$CRYPTOLIB\""
+		;;
+	no)
+		AC_MSG_RESULT(no)
+		ISC_PLATFORM_CRYPTORANDOM="#undef ISC_PLATFORM_CRYPTORANDOM"
+		;;
+esac
+AC_SUBST(ISC_PLATFORM_CRYPTORANDOM)
+
 #
 # was --with-lmdb specified?
 #
@@ -4178,12 +4242,12 @@ ISC_PLATFORM_USEGCCASM="#undef ISC_PLATFORM_USEGCCASM"
 ISC_PLATFORM_USESTDASM="#undef ISC_PLATFORM_USESTDASM"
 ISC_PLATFORM_USEMACASM="#undef ISC_PLATFORM_USEMACASM"
 if test "yes" = "$use_atomic"; then
+	AC_CHECK_SIZEOF([void *])
 	have_atomic=yes		# set default
 	case "$host" in
 	[i[3456]86-*])
 		# XXX: some old x86 architectures actually do not support
 		#      (some of) these operations.  Do we need stricter checks?
-		AC_CHECK_SIZEOF([void *])
 		if test $ac_cv_sizeof_void_p = 8; then
 			arch=x86_64
 			have_xaddq=yes
@@ -4192,7 +4256,6 @@ if test "yes" = "$use_atomic"; then
 		fi
 	;;
 	x86_64-*|amd64-*)
-		AC_CHECK_SIZEOF([void *])
 		if test $ac_cv_sizeof_void_p = 8; then
 			arch=x86_64
 			have_xaddq=yes
@@ -5607,6 +5670,8 @@ report() {
 	    echo "    IPv6 support (--enable-ipv6)"
 	test "X$CRYPTO" = "X" -o "yes" = "$want_native_pkcs11" || \
 		echo "    OpenSSL cryptography/DNSSEC (--with-openssl)"
+        test "no" = "$want_crypto_rand" || \
+                echo "    Crypto provider entropy source (--enable-crypto-rand)"
 	test "X$PYTHON" = "X" || echo "    Python tools (--with-python)"
 	test "X$XMLSTATS" = "X" || echo "    XML statistics (--with-libxml2)"
 	test "X$JSONSTATS" = "X" || echo "    JSON statistics (--with-libjson)"
@@ -5647,6 +5712,8 @@ report() {
 	echo "    Very verbose query trace logging (--enable-querytrace)"
     test "no" = "$with_cmocka" || echo "    CMocka Unit Testing Framework (--with-cmocka)"
 
+    echo "    Cryptographic library for DNSSEC: $CRYPTOLIB"
+
     echo "    Dynamically loadable zone (DLZ) drivers:"
     test "no" = "$use_dlz_bdb" || \
 	echo "        Berkeley DB (--with-dlz-bdb)"
@@ -5694,6 +5761,8 @@ report() {
 	echo "    ECDSA algorithm support (--with-ecdsa)"
     test "X$CRYPTO" = "X" -o "yes" = "$OPENSSL_ED25519" -o "yes" = "$PKCS11_ED25519" || \
 	echo "    EDDSA algorithm support (--with-eddsa)"
+    test "yes" = "$want_crypto_rand" || \
+        echo "    Crypto provider entropy source (--enable-crypto-rand)"
 
     test "yes" = "$enable_seccomp" || \
 	echo "    Use libseccomp system call filtering (--enable-seccomp)"
diff --git a/lib/dns/dst_api.c b/lib/dns/dst_api.c
index 320c0f8..b55ebe0 100644
--- a/lib/dns/dst_api.c
+++ b/lib/dns/dst_api.c
@@ -276,6 +276,12 @@ dst_lib_init2(isc_mem_t *mctx, isc_entropy_t *ectx,
 #ifdef GSSAPI
 	RETERR(dst__gssapi_init(&dst_t_func[DST_ALG_GSSAPI]));
 #endif
+#if defined(OPENSSL) || defined(PKCS11CRYPTO)
+#ifdef ISC_PLATFORM_CRYPTORANDOM
+	if (dst_entropy_pool != NULL)
+		isc_entropy_sethook(dst_random_getdata);
+#endif
+#endif /* defined(OPENSSL) || defined(PKCS11CRYPTO) */
 	dst_initialized = true;
 	return (ISC_R_SUCCESS);
 
@@ -295,11 +301,19 @@ dst_lib_destroy(void) {
 	for (i = 0; i < DST_MAX_ALGS; i++)
 		if (dst_t_func[i] != NULL && dst_t_func[i]->cleanup != NULL)
 			dst_t_func[i]->cleanup();
+#if defined(OPENSSL) || defined(PKCS11CRYPTO)
+#ifdef ISC_PLATFORM_CRYPTORANDOM
+	if (dst_entropy_pool != NULL) {
+		isc_entropy_usehook(dst_entropy_pool, false);
+		isc_entropy_sethook(NULL);
+	}
+#endif
 #ifdef OPENSSL
 	dst__openssl_destroy();
 #elif PKCS11CRYPTO
 	(void) dst__pkcs11_destroy();
 #endif /* if OPENSSL, elif PKCS11CRYPTO */
+#endif /* defined(OPENSSL) || defined(PKCS11CRYPTO) */
 	if (dst__memory_pool != NULL)
 		isc_mem_detach(&dst__memory_pool);
 	if (dst_entropy_pool != NULL)
@@ -2001,13 +2015,17 @@ dst__entropy_getdata(void *buf, unsigned int len, bool pseudo) {
 		flags &= ~ISC_ENTROPY_GOODONLY;
 	else
 		flags |= ISC_ENTROPY_BLOCKING;
+#ifdef ISC_PLATFORM_CRYPTORANDOM
+	return (dst_random_getdata(buf, len, NULL, flags));
+#else
 	return (isc_entropy_getdata(dst_entropy_pool, buf, len, NULL, flags));
+#endif
 #endif /* PKCS11CRYPTO */
 }
 
 unsigned int
 dst__entropy_status(void) {
-#ifndef PKCS11CRYPTO
+#if !defined(PKCS11CRYPTO) && !defined(ISC_PLATFORM_CRYPTORANDOM)
 #ifdef GSSAPI
 	unsigned int flags = dst_entropy_flags;
 	isc_result_t ret;
@@ -2030,6 +2048,7 @@ dst__entropy_status(void) {
 #endif
 	return (isc_entropy_status(dst_entropy_pool));
 #else
+	/* Doesn't matter as it is not used in this case. */
 	return (0);
 #endif
 }
diff --git a/lib/dns/include/dst/dst.h b/lib/dns/include/dst/dst.h
index 1924e74..6813c96 100644
--- a/lib/dns/include/dst/dst.h
+++ b/lib/dns/include/dst/dst.h
@@ -159,6 +159,14 @@ dst_lib_destroy(void);
  * Releases all resources allocated by DST.
  */
 
+isc_result_t
+dst_random_getdata(void *data, unsigned int length,
+		   unsigned int *returned, unsigned int flags);
+/*%<
+ * \brief Return data from the crypto random generator.
+ * Specialization of isc_entropy_getdata().
+ */
+
 bool
 dst_algorithm_supported(unsigned int alg);
 /*%<
diff --git a/lib/dns/lib.c b/lib/dns/lib.c
index 304814b..60543c4 100644
--- a/lib/dns/lib.c
+++ b/lib/dns/lib.c
@@ -18,6 +18,7 @@
 #include <stdbool.h>
 #include <stddef.h>
 
+#include <isc/entropy.h>
 #include <isc/hash.h>
 #include <isc/mem.h>
 #include <isc/msgcat.h>
@@ -78,6 +79,7 @@ static unsigned int references = 0;
 static void
 initialize(void) {
 	isc_result_t result;
+	isc_entropy_t *ectx = NULL;
 
 	REQUIRE(initialize_done == false);
 
@@ -88,11 +90,14 @@ initialize(void) {
 	result = dns_ecdb_register(dns_g_mctx, &dbimp);
 	if (result != ISC_R_SUCCESS)
 		goto cleanup_mctx;
-	result = isc_hash_create(dns_g_mctx, NULL, DNS_NAME_MAXWIRE);
+	result = isc_entropy_create(dns_g_mctx, &ectx);
 	if (result != ISC_R_SUCCESS)
 		goto cleanup_db;
+	result = isc_hash_create(dns_g_mctx, NULL, DNS_NAME_MAXWIRE);
+	if (result != ISC_R_SUCCESS)
+		goto cleanup_ectx;
 
-	result = dst_lib_init(dns_g_mctx, NULL, 0);
+	result = dst_lib_init(dns_g_mctx, ectx, 0);
 	if (result != ISC_R_SUCCESS)
 		goto cleanup_hash;
 
@@ -100,11 +105,17 @@ initialize(void) {
 	if (result != ISC_R_SUCCESS)
 		goto cleanup_dst;
 
+	isc_hash_init();
+	isc_entropy_detach(&ectx);
+
 	initialize_done = true;
 	return;
 
   cleanup_dst:
 	dst_lib_destroy();
+  cleanup_ectx:
+	if (ectx != NULL)
+		isc_entropy_detach(&ectx);
   cleanup_hash:
 	isc_hash_destroy();
   cleanup_db:
diff --git a/lib/dns/openssl_link.c b/lib/dns/openssl_link.c
index d65ce26..6849732 100644
--- a/lib/dns/openssl_link.c
+++ b/lib/dns/openssl_link.c
@@ -31,6 +31,7 @@
 #include <isc/mem.h>
 #include <isc/mutex.h>
 #include <isc/mutexblock.h>
+#include <isc/platform.h>
 #include <isc/string.h>
 #include <isc/thread.h>
 #include <isc/util.h>
@@ -46,8 +47,6 @@
 #include <openssl/engine.h>
 #endif
 
-static RAND_METHOD *rm = NULL;
-
 #if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER)
 static isc_mutex_t *locks = NULL;
 static int nlocks;
@@ -57,6 +56,9 @@ static int nlocks;
 static ENGINE *e = NULL;
 #endif
 
+#ifndef ISC_PLATFORM_CRYPTORANDOM
+static RAND_METHOD *rm = NULL;
+
 static int
 entropy_get(unsigned char *buf, int num) {
 	isc_result_t result;
@@ -102,6 +104,7 @@ entropy_add(const void *buf, int num, double entropy) {
 	return (1);
 }
 #endif
+#endif /* !ISC_PLATFORM_CRYPTORANDOM */
 
 #if OPENSSL_VERSION_NUMBER >= 0x10000000L && OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER)
 static void
@@ -192,7 +195,7 @@ _set_thread_id(CRYPTO_THREADID *id)
 isc_result_t
 dst__openssl_init(const char *engine) {
 	isc_result_t result;
-#if !defined(OPENSSL_NO_ENGINE)
+#if !defined(OPENSSL_NO_ENGINE) && !defined(ISC_PLATFORM_CRYPTORANDOM)
 	ENGINE *re;
 #else
 	UNUSED(engine);
@@ -222,6 +225,7 @@ dst__openssl_init(const char *engine) {
 	ERR_load_crypto_strings();
 #endif
 
+#ifndef ISC_PLATFORM_CRYPTORANDOM
 	rm = mem_alloc(sizeof(RAND_METHOD) FILELINE);
 	if (rm == NULL) {
 		result = ISC_R_NOMEMORY;
@@ -233,6 +237,7 @@ dst__openssl_init(const char *engine) {
 	rm->add = entropy_add;
 	rm->pseudorand = entropy_getpseudo;
 	rm->status = entropy_status;
+#endif
 
 #if !defined(OPENSSL_NO_ENGINE)
 #if !defined(CONF_MFLAGS_DEFAULT_SECTION)
@@ -266,6 +271,7 @@ dst__openssl_init(const char *engine) {
 		}
 	}
 
+#ifndef ISC_PLATFORM_CRYPTORANDOM
 	re = ENGINE_get_default_RAND();
 	if (re == NULL) {
 		re = ENGINE_new();
@@ -278,9 +284,21 @@ dst__openssl_init(const char *engine) {
 		ENGINE_free(re);
 	} else
 		ENGINE_finish(re);
+#endif
 #else
+#ifndef ISC_PLATFORM_CRYPTORANDOM
 	RAND_set_rand_method(rm);
+#endif
 #endif /* !defined(OPENSSL_NO_ENGINE) */
+
+	/* Protect ourselves against unseeded PRNG */
+	if (RAND_status() != 1) {
+		FATAL_ERROR(__FILE__, __LINE__,
+			    "OpenSSL pseudorandom number generator "
+			    "cannot be initialized (see the `PRNG not "
+			    "seeded' message in the OpenSSL FAQ)");
+	}
+
 	return (ISC_R_SUCCESS);
 
 #if !defined(OPENSSL_NO_ENGINE)
@@ -288,10 +306,14 @@ dst__openssl_init(const char *engine) {
 	if (e != NULL)
 		ENGINE_free(e);
 	e = NULL;
+#ifndef ISC_PLATFORM_CRYPTORANDOM
 	mem_free(rm FILELINE);
 	rm = NULL;
 #endif
+#endif
+#ifndef ISC_PLATFORM_CRYPTORANDOM
  cleanup_mutexinit:
+#endif
 #if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER)
 	CRYPTO_set_locking_callback(NULL);
 	DESTROYMUTEXBLOCK(locks, nlocks);
@@ -306,14 +328,17 @@ void
 dst__openssl_destroy(void) {
 #if !defined(LIBRESSL_VERSION_NUMBER) && (OPENSSL_VERSION_NUMBER >= 0x10100000L)
 	OPENSSL_cleanup();
+#ifndef ISC_PLATFORM_CRYPTORANDOM
 	if (rm != NULL) {
 		mem_free(rm FILELINE);
 		rm = NULL;
 	}
+#endif
 #else
 	/*
 	 * Sequence taken from apps_shutdown() in <apps/apps.h>.
 	 */
+#ifndef ISC_PLATFORM_CRYPTORANDOM
 	if (rm != NULL) {
 #if OPENSSL_VERSION_NUMBER >= 0x00907000L
 		RAND_cleanup();
@@ -321,6 +346,7 @@ dst__openssl_destroy(void) {
 		mem_free(rm FILELINE);
 		rm = NULL;
 	}
+#endif
 #if (OPENSSL_VERSION_NUMBER >= 0x00907000L)
 	CONF_modules_free();
 #endif
@@ -456,11 +482,45 @@ dst__openssl_getengine(const char *engine) {
 }
 #endif
 
-#else /* OPENSSL */
+isc_result_t
+dst_random_getdata(void *data, unsigned int length,
+		   unsigned int *returned, unsigned int flags) {
+#ifdef ISC_PLATFORM_CRYPTORANDOM
+#ifndef DONT_REQUIRE_DST_LIB_INIT
+	INSIST(dst__memory_pool != NULL);
+#endif
+	REQUIRE(data != NULL);
+	REQUIRE(length > 0);
 
-#include <isc/util.h>
+#if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER)
+	if ((flags & ISC_ENTROPY_GOODONLY) == 0) {
+		if (RAND_pseudo_bytes((unsigned char *)data, (int)length) < 0)
+			return (dst__openssl_toresult2("RAND_pseudo_bytes",
+						       DST_R_OPENSSLFAILURE));
+	} else {
+		if (RAND_bytes((unsigned char *)data, (int)length) != 1)
+			return (dst__openssl_toresult2("RAND_bytes",
+						       DST_R_OPENSSLFAILURE));
+	}
+#else
+	UNUSED(flags);
 
-EMPTY_TRANSLATION_UNIT
+	if (RAND_bytes((unsigned char *)data, (int)length) != 1)
+		return (dst__openssl_toresult2("RAND_bytes",
+					       DST_R_OPENSSLFAILURE));
+#endif
+	if (returned != NULL)
+		*returned = length;
+	return (ISC_R_SUCCESS);
+#else
+	UNUSED(data);
+	UNUSED(length);
+	UNUSED(returned);
+	UNUSED(flags);
+
+	return (ISC_R_NOTIMPLEMENTED);
+#endif
+}
 
 #endif /* OPENSSL */
 /*! \file */
diff --git a/lib/dns/pkcs11.c b/lib/dns/pkcs11.c
index 5a2c502..8eaef53 100644
--- a/lib/dns/pkcs11.c
+++ b/lib/dns/pkcs11.c
@@ -13,12 +13,15 @@
 
 #include <config.h>
 
+#include <isc/util.h>
+
 #include <dns/log.h>
 #include <dns/result.h>
 
 #include <pk11/pk11.h>
 #include <pk11/internal.h>
 
+#include "dst_internal.h"
 #include "dst_pkcs11.h"
 
 isc_result_t
@@ -34,12 +37,32 @@ dst__pkcs11_toresult(const char *funcname, const char *file, int line,
 	return (fallback);
 }
 
+isc_result_t
+dst_random_getdata(void *data, unsigned int length,
+		   unsigned int *returned, unsigned int flags) {
+#ifdef ISC_PLATFORM_CRYPTORANDOM
+	isc_result_t ret;
 
-#else /* PKCS11CRYPTO */
+#ifndef DONT_REQUIRE_DST_LIB_INIT
+	INSIST(dst__memory_pool != NULL);
+#endif
+	REQUIRE(data != NULL);
+	REQUIRE(length > 0);
+	UNUSED(flags);
 
-#include <isc/util.h>
+	ret = pk11_rand_bytes(data, (int) length);
+	if ((ret == ISC_R_SUCCESS) && (returned != NULL))
+		*returned = length;
+	return (ret);
+#else
+	UNUSED(data);
+	UNUSED(length);
+	UNUSED(returned);
+	UNUSED(flags);
 
-EMPTY_TRANSLATION_UNIT
+	return (ISC_R_NOTIMPLEMENTED);
+#endif
+}
 
 #endif /* PKCS11CRYPTO */
 /*! \file */
diff --git a/lib/dns/tests/Kyuafile b/lib/dns/tests/Kyuafile
index 937b548..f3c0e38 100644
--- a/lib/dns/tests/Kyuafile
+++ b/lib/dns/tests/Kyuafile
@@ -10,6 +10,7 @@ tap_test_program{name='dh_test'}
 tap_test_program{name='dispatch_test'}
 tap_test_program{name='dnstap_test'}
 tap_test_program{name='dst_test'}
+tap_test_program{name='dstrandom_test'}
 tap_test_program{name='geoip_test'}
 tap_test_program{name='gost_test'}
 tap_test_program{name='keytable_test'}
diff --git a/lib/dns/tests/Makefile.in b/lib/dns/tests/Makefile.in
index 90dc3a6..7671e1d 100644
--- a/lib/dns/tests/Makefile.in
+++ b/lib/dns/tests/Makefile.in
@@ -37,6 +37,7 @@ SRCS =		acl_test.c \
 		dnstap_test.c \
 		dst_test.c \
 		dnstest.c \
+		dstrandom_test.c \
 		geoip_test.c \
 		gost_test.c \
 		keytable_test.c \
@@ -69,6 +70,7 @@ TARGETS =	acl_test@EXEEXT@ \
 		dh_test@EXEEXT@ \
 		dispatch_test@EXEEXT@ \
 		dnstap_test@EXEEXT@ \
+		dstrandom_test@EXEEXT@ \
 		dst_test@EXEEXT@ \
 		geoip_test@EXEEXT@ \
 		gost_test@EXEEXT@ \
@@ -258,6 +260,11 @@ zt_test@EXEEXT@: zt_test.@O@ dnstest.@O@ ${ISCDEPLIBS} ${DNSDEPLIBS}
 		${LDFLAGS} -o $@ zt_test.@O@ dnstest.@O@ \
 		${DNSLIBS} ${ISCLIBS} ${LIBS}
 
+dstrandom_test@EXEEXT@: dstrandom_test.@O@ ${ISCDEPLIBS} ${DNSDEPLIBS}
+	${LIBTOOL_MODE_LINK} ${PURIFY} ${CC} ${CFLAGS} ${LDFLAGS} -o $@ \
+			dstrandom_test.@O@ ${DNSLIBS} \
+			${ISCLIBS} ${ISCPK11LIBS} ${LIBS}
+
 unit::
 	sh ${top_builddir}/unit/unittest.sh
 
diff --git a/lib/dns/tests/dstrandom_test.c b/lib/dns/tests/dstrandom_test.c
new file mode 100644
index 0000000..bd3d164
--- /dev/null
+++ b/lib/dns/tests/dstrandom_test.c
@@ -0,0 +1,115 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+#include <config.h>
+
+#if HAVE_CMOCKA
+
+#include <stdarg.h>
+#include <stddef.h>
+#include <setjmp.h>
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+
+#define UNIT_TESTING
+#include <cmocka.h>
+
+#include <isc/entropy.h>
+#include <isc/mem.h>
+#include <isc/print.h>
+#include <isc/platform.h>
+#include <isc/util.h>
+
+#include <dst/dst.h>
+
+isc_mem_t *mctx = NULL;
+isc_entropy_t *ectx = NULL;
+unsigned char buffer[128];
+
+/* isc_entropy_getdata() examples */
+static void
+isc_entropy_getdata_test(void **state) {
+	isc_result_t result;
+	unsigned int returned, status;
+	const char *randomfile = "testdata/dstrandom/random.data";
+	int ret;
+
+	UNUSED(state);
+
+	isc_mem_debugging |= ISC_MEM_DEBUGRECORD;
+	result = isc_mem_create(0, 0, &mctx);
+	assert_int_equal(result, ISC_R_SUCCESS);
+	result = isc_entropy_create(mctx, &ectx);
+	assert_int_equal(result, ISC_R_SUCCESS);
+	result = dst_lib_init(mctx, ectx, 0);
+	assert_int_equal(result, ISC_R_SUCCESS);
+
+#ifdef ISC_PLATFORM_CRYPTORANDOM
+	isc_entropy_usehook(ectx, true);
+
+	returned = 0;
+	result = isc_entropy_getdata(ectx, buffer, sizeof(buffer),
+				     &returned, 0);
+	assert_int_equal(result, ISC_R_SUCCESS);
+	assert_int_equal(returned, sizeof(buffer));
+
+	status = isc_entropy_status(ectx);
+	assert_int_equal(status, 0);
+
+	isc_entropy_usehook(ectx, false);
+#endif
+
+	ret = chdir(TESTS);
+	assert_int_equal(ret, 0);
+
+	result = isc_entropy_createfilesource(ectx, randomfile);
+	assert_int_equal(result, ISC_R_SUCCESS);
+
+	returned = 0;
+	result = isc_entropy_getdata(ectx, buffer, sizeof(buffer),
+				     &returned, 0);
+	assert_int_equal(result, ISC_R_SUCCESS);
+	assert_int_equal(returned, sizeof(buffer));
+
+	status = isc_entropy_status(ectx);
+	assert_true(status > 0);
+
+	dst_lib_destroy();
+	isc_entropy_detach(&ectx);
+	assert_null(ectx);
+
+	isc_mem_destroy(&mctx);
+	assert_null(mctx);
+}
+
+int
+main(void) {
+	const struct CMUnitTest tests[] = {
+		cmocka_unit_test(isc_entropy_getdata_test),
+	};
+
+	return (cmocka_run_group_tests(tests, NULL, NULL));
+}
+
+#else /* HAVE_CMOCKA */
+
+#include <stdio.h>
+
+int
+main(void) {
+	printf("1..0 # Skipped: cmocka not available\n");
+	return (0);
+}
+
+#endif
diff --git a/lib/dns/win32/libdns.def.in b/lib/dns/win32/libdns.def.in
index 5c45d59..34b660c 100644
--- a/lib/dns/win32/libdns.def.in
+++ b/lib/dns/win32/libdns.def.in
@@ -1484,6 +1484,13 @@ dst_lib_destroy
 dst_lib_init
 dst_lib_init2
 dst_lib_initmsgcat
+@IF PKCS11
+dst_random_getdata
+@ELSE PKCS11
+@IF OPENSSL
+dst_random_getdata
+@END OPENSSL
+@END PKCS11
 dst_region_computeid
 dst_region_computerid
 dst_result_register
diff --git a/lib/isc/entropy.c b/lib/isc/entropy.c
index ab2f617..ed05ed6 100644
--- a/lib/isc/entropy.c
+++ b/lib/isc/entropy.c
@@ -104,11 +104,15 @@ struct isc_entropy {
 	uint32_t			initialized;
 	uint32_t			initcount;
 	isc_entropypool_t		pool;
+	bool				usehook;
 	unsigned int			nsources;
 	isc_entropysource_t	       *nextsource;
 	ISC_LIST(isc_entropysource_t)	sources;
 };
 
+/*% Global Hook */
+static isc_entropy_getdata_t hook;
+
 /*% Sample Queue */
 typedef struct {
 	uint32_t	last_time;	/*%< last time recorded */
@@ -557,6 +561,11 @@ isc_entropy_getdata(isc_entropy_t *ent, void *data, unsigned int length,
 
 	LOCK(&ent->lock);
 
+	if (ent->usehook && (hook != NULL)) {
+		UNLOCK(&ent->lock);
+		return (hook(data, length, returned, flags));
+	}
+
 	remain = length;
 	buf = data;
 	total = 0;
@@ -708,6 +717,7 @@ isc_entropy_create(isc_mem_t *mctx, isc_entropy_t **entp) {
 	ent->refcnt = 1;
 	ent->initialized = 0;
 	ent->initcount = 0;
+	ent->usehook = false;
 	ent->magic = ENTROPY_MAGIC;
 
 	isc_entropypool_init(&ent->pool);
@@ -1286,3 +1296,17 @@ isc_entropy_usebestsource(isc_entropy_t *ectx, isc_entropysource_t **source,
 	 */
 	return (final_result);
 }
+
+void
+isc_entropy_usehook(isc_entropy_t *ectx, bool onoff) {
+	REQUIRE(VALID_ENTROPY(ectx));
+
+	LOCK(&ectx->lock);
+	ectx->usehook = onoff;
+	UNLOCK(&ectx->lock);
+}
+
+void
+isc_entropy_sethook(isc_entropy_getdata_t myhook) {
+	hook = myhook;
+}
diff --git a/lib/isc/include/isc/entropy.h b/lib/isc/include/isc/entropy.h
index 4bba8e1..632166a 100644
--- a/lib/isc/include/isc/entropy.h
+++ b/lib/isc/include/isc/entropy.h
@@ -304,6 +304,18 @@ isc_entropy_usebestsource(isc_entropy_t *ectx, isc_entropysource_t **source,
  *	isc_entropy_createcallbacksource().
  */
 
+void
+isc_entropy_usehook(isc_entropy_t *ectx, bool onoff);
+/*!<
+ * \brief Mark/unmark the given entropy structure as being hooked.
+ */
+
+void
+isc_entropy_sethook(isc_entropy_getdata_t myhook);
+/*!<
+ * \brief Set the getdata hook (e.g., for a crypto random generator).
+ */
+
 ISC_LANG_ENDDECLS
 
 #endif /* ISC_ENTROPY_H */
diff --git a/lib/isc/include/isc/platform.h.in b/lib/isc/include/isc/platform.h.in
index 9c7c342..ee8dc3e 100644
--- a/lib/isc/include/isc/platform.h.in
+++ b/lib/isc/include/isc/platform.h.in
@@ -341,6 +341,11 @@
  */
 @ISC_PLATFORM_HAVESTRINGSH@
 
+/*
+ * Define if the random functions are provided by crypto.
+ */
+@ISC_PLATFORM_CRYPTORANDOM@
+
 /*
  * Define if the hash functions must be provided by OpenSSL.
  */
diff --git a/lib/isc/include/isc/types.h b/lib/isc/include/isc/types.h
index 42ff7e0..8d87c44 100644
--- a/lib/isc/include/isc/types.h
+++ b/lib/isc/include/isc/types.h
@@ -93,6 +93,8 @@ typedef struct isc_time			isc_time_t;		/*%< Time */
 typedef struct isc_timer		isc_timer_t;		/*%< Timer */
 typedef struct isc_timermgr		isc_timermgr_t;		/*%< Timer Manager */
 
+typedef isc_result_t (*isc_entropy_getdata_t)(void *, unsigned int,
+					      unsigned int *, unsigned int);
 typedef void (*isc_taskaction_t)(isc_task_t *, isc_event_t *);
 typedef int (*isc_sockfdwatch_t)(isc_task_t *, isc_socket_t *, void *, int);
 
diff --git a/lib/isc/pk11.c b/lib/isc/pk11.c
index bb9912b..1f583a3 100644
--- a/lib/isc/pk11.c
+++ b/lib/isc/pk11.c
@@ -321,14 +321,16 @@ pk11_rand_seed_fromfile(const char *randomfile) {
 	ret = isc_stdio_open(randomfile, "r", &stream);
 	if (ret != ISC_R_SUCCESS)
 		goto cleanup;
-	ret = isc_stdio_read(seed, 1, SEEDSIZE, stream, &cc);
-	if (ret!= ISC_R_SUCCESS)
-		goto cleanup;
+	while (ret == ISC_R_SUCCESS) {
+		ret = isc_stdio_read(seed, 1, SEEDSIZE, stream, &cc);
+		if ((ret != ISC_R_SUCCESS) && (ret != ISC_R_EOF))
+			goto cleanup;
+		(void) pkcs_C_SeedRandom(ctx.session, seed, (CK_ULONG) cc);
+	} 
 	ret = isc_stdio_close(stream);
 	stream = NULL;
-	if (ret!= ISC_R_SUCCESS)
+	if (ret != ISC_R_SUCCESS)
 		goto cleanup;
-	(void) pkcs_C_SeedRandom(ctx.session, seed, (CK_ULONG) cc);
 
     cleanup:
 	if (stream != NULL)
diff --git a/lib/isc/win32/include/isc/platform.h.in b/lib/isc/win32/include/isc/platform.h.in
index 5b8a2c9..913a2ce 100644
--- a/lib/isc/win32/include/isc/platform.h.in
+++ b/lib/isc/win32/include/isc/platform.h.in
@@ -69,6 +69,11 @@
 #define ISC_PLATFORM_NORETURN_PRE __declspec(noreturn)
 #define ISC_PLATFORM_NORETURN_POST
 
+/*
+ * Define if the random functions are provided by crypto.
+ */
+@ISC_PLATFORM_CRYPTORANDOM@
+
 /*
  * Define if the hash functions must be provided by OpenSSL.
  */
diff --git a/win32utils/Configure b/win32utils/Configure
index 93939f3..8bacf54 100644
--- a/win32utils/Configure
+++ b/win32utils/Configure
@@ -381,6 +381,7 @@ my @substdefh = ("AES_CC",
 my %configdefp;
 
 my @substdefp = ("ISC_PLATFORM_BUSYWAITNOP",
+                 "ISC_PLATFORM_CRYPTORANDOM",
                  "ISC_PLATFORM_HAVEATOMICSTORE",
                  "ISC_PLATFORM_HAVEATOMICSTOREQ",
                  "ISC_PLATFORM_HAVECMPXCHG",
@@ -511,7 +512,8 @@ my @allcond = (@substcond, "NOTYET", "NOLONGER");
 
 # enable-xxx/disable-xxx
 
-my @enablelist = ("developer",
+my @enablelist = ("crypto-rand",
+                  "developer",
                   "fixed-rrset",
                   "intrinsics",
                   "isc-spnego",
@@ -575,6 +577,7 @@ my @help = (
 "\nOptional Features:\n",
 "  enable-intrinsics     enable instrinsic/atomic functions [default=yes]\n",
 "  enable-native-pkcs11  use native PKCS#11 for all crypto [default=no]\n",
+"  enable-crypto-rand    use crypto provider for random [default=yes]\n",
 "  enable-openssl-hash   use OpenSSL for hash functions [default=yes]\n",
 "  enable-isc-spnego     use SPNEGO from lib/dns [default=yes]\n",
 "  enable-filter-aaaa    enable filtering of AAAA records [default=yes]\n",
@@ -620,7 +623,9 @@ my $want_clean = "no";
 my $want_unknown = "no";
 my $unknown_value;
 my $enable_intrinsics = "yes";
+my $cryptolib = "";
 my $enable_native_pkcs11 = "no";
+my $enable_crypto_rand = "yes";
 my $enable_openssl_hash = "auto";
 my $enable_filter_aaaa = "yes";
 my $enable_isc_spnego = "yes";
@@ -840,6 +845,10 @@ sub myenable {
         if ($val =~ /^yes$/i) {
             $enable_native_pkcs11 = "yes";
         }
+    } elsif ($key =~ /^crypto-rand$/i) {
+        if ($val =~ /^no$/i) {
+            $enable_crypto_rand = "no";
+        }
     } elsif ($key =~ /^openssl-hash$/i) {
         if ($val =~ /^yes$/i) {
             $enable_openssl_hash = "yes";
@@ -1142,6 +1151,11 @@ if ($verbose) {
     } else {
         print "native-pkcs11: disabled\n";
     }
+    if ($enable_crypto_rand eq "yes") {
+        print "crypto-rand: enabled\n";
+    } else {
+        print "crypto-rand: disabled\n";
+    }
     if ($enable_openssl_hash eq "yes") {
         print "openssl-hash: enabled\n";
     } else {
@@ -1500,6 +1514,7 @@ if ($enable_intrinsics eq "yes") {
 
 # enable-native-pkcs11
 if ($enable_native_pkcs11 eq "yes") {
+    $cryptolib = "pkcs11";
     if ($use_openssl eq "auto") {
         $use_openssl = "no";
     }
@@ -1709,6 +1724,7 @@ if ($use_openssl eq "yes") {
         $openssl_dll = File::Spec->catdir($openssl_path, "@dirlist[0]");
     }   
 
+    $cryptolib = "openssl";
     $configcond{"OPENSSL"} = 1;
     $configdefd{"CRYPTO"} = "OPENSSL";
     $configvar{"OPENSSL_PATH"} = "$openssl_path";
@@ -2260,6 +2276,15 @@ if ($cookie_algorithm eq "sha1") {
     die "Unrecognized cookie algorithm: $cookie_algorithm\n";
 }
 
+# enable-crypto-rand
+if ($enable_crypto_rand eq "yes") {
+    if (($use_openssl eq "no") && ($enable_native_pkcs11 eq "no")) {
+        die "No crypto provider for random functions\n";
+    }
+    $configdefp{"ISC_PLATFORM_CRYPTORANDOM"} = "\"$cryptolib\"";
+}
+print "Cryptographic library for DNSSEC: $cryptolib";
+
 # enable-openssl-hash
 if ($enable_openssl_hash eq "yes") {
     if ($use_openssl eq "no") {
@@ -3635,6 +3660,7 @@ exit 0;
 #  --enable-developer partially supported
 #  --enable-newstats (9.9/9.9sub only)
 #  --enable-native-pkcs11 supported
+#  --enable-crypto-rand supported
 #  --enable-openssl-version-check included without a way to disable it
 #  --enable-openssl-hash supported
 #  --enable-threads included without a way to disable it
-- 
2.20.1