Hmm ... It's impossible ;-) This RPM doesn't exist on any FTP server

Provides :
libdfu
libdfu(x86-32)
libdfu.so.1

Requires :

/sbin/ldconfig
/sbin/ldconfig
libappstream-glib.so.8
libc.so.6
libc.so.6(GLIBC_2.0)
libc.so.6(GLIBC_2.1.3)
libc.so.6(GLIBC_2.2)
libc.so.6(GLIBC_2.4)
libdfu.so.1
libelf.so.1
libelf.so.1(ELFUTILS_1.0)
libelf.so.1(ELFUTILS_1.5)
libgcc_s.so.1
libgcc_s.so.1(GCC_3.0)
libgcc_s.so.1(GCC_3.3.1)
libgdk_pixbuf-2.0.so.0
libgio-2.0.so.0
libglib-2.0.so.0
libgmodule-2.0.so.0
libgobject-2.0.so.0
libgthread-2.0.so.0
libgusb.so.2
libgusb.so.2(LIBGUSB_0.1.0)
libgusb.so.2(LIBGUSB_0.1.1)
libgusb.so.2(LIBGUSB_0.2.2)
libm.so.6
libpthread.so.0
libpthread.so.0(GLIBC_2.0)
libusb-1.0.so.0
rpmlib(CompressedFileNames) <= 3.0.4-1
rpmlib(FileDigests) <= 4.6.0-1
rpmlib(PayloadFilesHavePrefix) <= 4.0-1
rpmlib(PayloadIsXz) <= 5.2-1
rtld(GNU_HASH)

Content of RPM :
/usr/bin/dfu-tool
/usr/lib/girepository-1.0/Dfu-1.0.typelib
/usr/lib/libdfu.so.1
/usr/lib/libdfu.so.1.0.1
/usr/share/man/man1/dfu-tool.1.gz