diff --git a/Configure b/Configure
index e53817705..8fc25f4dc 100755
--- a/Configure
+++ b/Configure
@@ -586,6 +586,7 @@ my %table=(
 "debug-darwin-ppc-cc","cc:-DBN_DEBUG -DREF_CHECK -DCONF_DEBUG -DCRYPTO_MDEBUG -DB_ENDIAN -g -Wall -O::-D_REENTRANT:MACOSX::BN_LLONG RC4_CHAR RC4_CHUNK DES_UNROLL BF_PTR:${ppc32_asm}:osx32:dlfcn:darwin-shared:-fPIC:-dynamiclib:.\$(SHLIB_MAJOR).\$(SHLIB_MINOR).dylib",
 # iPhoneOS/iOS
 "iphoneos-cross","llvm-gcc:-O3 -isysroot \$(CROSS_TOP)/SDKs/\$(CROSS_SDK) -fomit-frame-pointer -fno-common::-D_REENTRANT:iOS:-Wl,-search_paths_first%:BN_LLONG RC4_CHAR RC4_CHUNK DES_UNROLL BF_PTR:${no_asm}:dlfcn:darwin-shared:-fPIC -fno-common:-dynamiclib:.\$(SHLIB_MAJOR).\$(SHLIB_MINOR).dylib",
+"ios64-cross","clang:-O3 -arch arm64 -mios-version-min=7.0.0 -isysroot \$(CROSS_TOP)/SDKs/\$(CROSS_SDK) -fno-common::-D_REENTRANT:iOS:-Wl,-search_paths_first%:SIXTY_FOUR_BIT_LONG RC4_CHAR -RC4_CHUNK DES_INT DES_UNROLL -BF_PTR:${no_asm}:dlfcn:darwin-shared:-fPIC -fno-common:-dynamiclib:.\$(SHLIB_MAJOR).\$(SHLIB_MINOR).dylib",
 
 ##### A/UX
 "aux3-gcc","gcc:-O2 -DTERMIO::(unknown):AUX:-lbsd:RC4_CHAR RC4_CHUNK DES_UNROLL BF_PTR:::",
diff --git a/config b/config
index 84ba4f0ee..b858d8069 100755
--- a/config
+++ b/config
@@ -584,6 +584,9 @@ case "$GUESSOS" in
   *-*-iphoneos)
 	options="$options -arch%20${MACHINE}"
 	OUT="iphoneos-cross" ;;
+  arm64-*-ios64)
+	options="$options -arch%20${MACHINE}"
+	OUT="ios64-cross" ;;
   alpha-*-linux2)
         ISA=`awk '/cpu model/{print$4;exit(0);}' /proc/cpuinfo`
 	case ${ISA:-generic} in