Sadly there is no asm available for 64 bit on windows. That makes openssl minimal slower than with asm, but there is the native 64 bit binary :-)

perl Configure VC-WIN64A --prefix=/Apache22 --openssldir=/Apache22/conf enable-camellia disable-idea
ms\do_win64a
nmake -f ms\ntdll.mak
REM remove md2 and idea test
nmake -f ms\ntdll.mak test