diff -Nru orig/PKI/configure.win patched/PKI/configure.win
--- orig/PKI/configure.win	2020-04-10 13:53:06.000000000 +0200
+++ patched/PKI/configure.win	2020-07-02 18:05:48.184156500 +0200
@@ -1,51 +0,0 @@
-#!/bin/sh
-
-echo "  checking openssl headers and libraries"
-allok=yes
-
-if [ -e "${LOCAL_SOFT}/include/openssl/ssl.h" ]; then
-    echo " --- Using local version of openssl found in LOCAL_SOFT: ${LOCAL_SOFT}"
-    echo " --- Proceed at your own risk, if in doubt unset LOCAL_SOFT to use our binary."
-    exit 0
-fi
-
-if [ ! -e src/win32/libssl.a ]; then
-    if [ ! -e src/openssl-current-win.tar.gz ]; then
-	echo "  cannot find current openssl files"
-	echo "  attempting to download them"
-	echo 'download.file("http://www.rforge.net/PKI/files/openssl-current-win.tar.gz","src/openssl-current-win.tar.gz",mode="wb",quiet=TRUE)'|${R_HOME}/bin/R --vanilla --slave
-    fi
-    if [ ! -e src/openssl-current-win.tar.gz ]; then
-	allok=no
-    else
-	echo "  unpacking current openssl"
-	tar fxz src/openssl-current-win.tar.gz -C src
-        if [ ! -e src/win32/libssl.a ]; then
-	    allok=no
-	fi
-    fi
-fi
-
-if [ ! -e src/win32/libssl.a ]; then
-    allok=no
-fi
-
-if [ ${allok} != yes ]; then
-    echo ""
-    echo " *** ERROR: unable to find openssl files"
-    echo ""
-    echo " They must be either in src/win32 or in a tar-ball"
-    echo " src/openssl-current-win.tar.gz"
-    echo ""
-    echo " You can get the latest binary tar ball from"
-    echo " http://www.rforge.net/PKI/files/"
-    echo ""
-    echo " Alternatively you can set LOCAL_SOFT environment variable"
-    echo " to point to the prefix (like /usr/local) containing openssl binaries."
-    echo ""
-    exit 1
-fi
-
-echo "  seems ok, ready to go"
-
-exit 0
diff -Nru orig/PKI/src/Makevars.win patched/PKI/src/Makevars.win
--- orig/PKI/src/Makevars.win	2020-04-10 13:53:06.000000000 +0200
+++ patched/PKI/src/Makevars.win	2020-07-02 18:05:48.324802700 +0200
@@ -1,7 +1 @@
-ifeq ($(WIN),64)
-PKG_LIBS = -Lwin64 -lssl -lcrypto -lws2_32 -lgdi32 -lcrypt32
-PKG_CPPFLAGS = -Iwin64
-else
-PKG_LIBS = -Lwin32 -lssl -lcrypto -lws2_32 -lgdi32 -lcrypt32
-PKG_CPPFLAGS = -Iwin32
-endif
+PKG_LIBS = -lssl -lcrypto -lws2_32 -lgdi32 -lcrypt32 -lz