The goal with paper is not secure storage. There are countless ways to store something securely. A paper backup also isn t a replacement for the usual machine readable (tape, CD-R, DVD-R, etc) backups, but rather as an if-all-else-fails method of restoring a key. Most of the storage media in use today do not have particularly good long-term (measured in years to decades) retention of data. If and when the CD-R and/or tape cassette and/or USB key and/or hard drive the secret key is stored on becomes unusable, the paper copy can be used to restore the secret key.

paperkey-1.3-win32
..................\config.guess
..................\config.h.in
..................\extract.c
..................\paperkey.exe
..................\extract.h
..................\restore.c
..................\parse.c
..................\paperkey.c
..................\configure
..................\README.WIN32
..................\README
..................\gl
..................\..\unistd.in.h
..................\..\sys_types.in.h
..................\..\stdalign.in.h
..................\..\stdint.in.h
..................\..\sha1.c
..................\..\getopt.c
..................\..\getopt.in.h
..................\..\sha1.h
..................\..\unistd.c
..................\..\Makefile.in
..................\..\m4
..................\..\..\off_t.m4
..................\..\..\sys_types_h.m4
..................\..\..\00gnulib.m4
..................\..\..\extern-inline.m4
..................\..\..\nocrash.m4
..................\..\..\gnulib-cache.m4
..................\..\..\stdint.m4
..................\..\..\unistd_h.m4
..................\..\..\sha1.m4
..................\..\..\gnulib-comp.m4
..................\..\..\ssize_t.m4
..................\..\..\extensions.m4
..................\..\..\include_next.m4
..................\..\..\warn-on-use.m4
..................\..\..\stddef_h.m4
..................\..\..\multiarch.m4
..................\..\..\stdalign.m4
..................\..\..\longlong.m4
..................\..\..\getopt.m4
..................\..\..\wchar_t.m4
..................\..\..\gnulib-common.m4
..................\..\gettext.h
..................\..\getopt_int.h
..................\..\Makefile.am
..................\..\stddef.in.h
..................\..\getopt1.c
..................\paperkey.1
..................\paperkey.spec
..................\packets.c
..................\depcomp
..................\NEWS
..................\checks
..................\......\papertest-rsa.sec
..................\......\bad-crc-base16.sh
..................\......\corrupt-base16.txt
..................\......\papertest-dsaelg.pub
..................\......\bad-crc-raw.sh
..................\......\corrupt-raw.bin
..................\......\papertest-ecc.pub
..................\......\papertest-rsa.pub
..................\......\papertest-dsaelg.sec
..................\......\Makefile.in
..................\......\roundtrip-raw.sh
..................\......\papertest-ecc.sec
..................\......\roundtrip.sh
..................\......\Makefile.am
..................\config.sub
..................\aclocal.m4
..................\missing
..................\install-sh
..................\configure.ac
..................\paperkey.txt
..................\ChangeLog
..................\output.h
..................\Makefile.in
..................\restore.h
..................\INSTALL
..................\COPYING
..................\parse.h
..................\paperkey.spec.in
..................\Makefile.am
..................\output.c
..................\snippet
..................\.......\arg-nonnull.h
..................\.......\c++defs.h
..................\.......\warn-on-use.h
..................\packets.h
..................\AUTHORS

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