Add libsodium subtree

Release 1.0.11, commit 2f4f718cd94adab547c210a78050762cf667dfca.

lib/libsodium/.gitignore

@@ -0,0 +1,142 @@
+*.bc
+*.cmake
+*.dSYM
+*.done
+*.final
+*.gcda
+*.gcno
+*.i
+*.la
+*.lo
+*.log
+*.mem
+*.nexe
+*.o
+*.plist
+*.s
+*.scan
+*.sdf
+*.status
+*.tar.*
+*~
+.DS_Store
+.deps
+.dirstamp
+.done
+.libs
+/bin/
+/obj/
+Build
+INSTALL
+Makefile
+Makefile.in
+Vagrantfile
+aclocal.m4
+android-toolchain
+android-toolchain-*
+autom4te.cache
+build
+compile
+confdefs.h
+config.*
+configure
+configure.lineno
+coverage.info
+depcomp
+install-sh
+libsodium-*.tar.bz2
+libsodium-*.tar.gz
+libsodium-*.vcproj
+libsodium-*.vcproj.filters
+libsodium-*.vcxproj
+libsodium-*.vcxproj.filters
+libsodium-android-*
+libsodium-ios
+libsodium-js
+libsodium-js-*
+libsodium-nativeclient
+libsodium-nativeclient-*
+libsodium-osx
+libsodium-uninstalled.pc
+libsodium-win32
+libsodium-win64
+libsodium.pc
+libtool
+ltmain.sh
+m4/argz.m4
+m4/libtool.m4
+m4/ltoptions.m4
+m4/ltsugar.m4
+m4/ltversion.m4
+m4/lt~obsolete.m4
+man/*.html
+man/Makefile.in
+missing
+src/libsodium/*.def
+src/libsodium/include/sodium/version.h
+stamp-*
+test-driver
+test/default/browser
+test/default/*.res
+test/default/*.trs
+test/default/aead_aes256gcm
+test/default/aead_chacha20poly1305
+test/default/auth
+test/default/auth2
+test/default/auth3
+test/default/auth5
+test/default/auth6
+test/default/auth7
+test/default/box
+test/default/box2
+test/default/box7
+test/default/box8
+test/default/box_easy
+test/default/box_easy2
+test/default/box_seal
+test/default/box_seed
+test/default/chacha20
+test/default/core1
+test/default/core2
+test/default/core3
+test/default/core4
+test/default/core5
+test/default/core6
+test/default/ed25519_convert
+test/default/generichash
+test/default/generichash2
+test/default/generichash3
+test/default/hash
+test/default/hash3
+test/default/onetimeauth
+test/default/onetimeauth2
+test/default/onetimeauth7
+test/default/pwhash
+test/default/pwhash_scrypt
+test/default/pwhash_scrypt_ll
+test/default/randombytes
+test/default/scalarmult
+test/default/scalarmult2
+test/default/scalarmult5
+test/default/scalarmult6
+test/default/scalarmult7
+test/default/secretbox
+test/default/secretbox2
+test/default/secretbox7
+test/default/secretbox8
+test/default/secretbox_easy
+test/default/secretbox_easy2
+test/default/shorthash
+test/default/sign
+test/default/sodium_core
+test/default/sodium_utils
+test/default/sodium_utils2
+test/default/sodium_utils3
+test/default/sodium_version
+test/default/stream
+test/default/stream2
+test/default/stream3
+test/default/stream4
+test/default/verify1
+test/js.done
+testing

lib/libsodium/.travis.yml

@@ -0,0 +1,40 @@
+sudo: false
+
+language: c
+
+os:
+ - linux
+ - osx
+
+compiler:
+ - clang
+ - gcc
+ - g++
+
+before_script:
+ - ./autogen.sh
+
+script:
+ - ./configure --disable-dependency-tracking
+ - >
+   if [ "$TRAVIS_OS_NAME" = 'linux' -a "$CC" = 'gcc' ]; then make CFLAGS='-g0' > /dev/null && cp src/libsodium/.libs/libsodium.so lib.so && make clean > /dev/null && make CFLAGS='-g0' CPPFLAGS='-DSODIUM_C99\(X\)=' > /dev/null && cp src/libsodium/.libs/libsodium.so lib-oldc.so && cmp lib.so lib-oldc.so && echo No binary changes && make clean > /dev/null ; fi
+ - make distcheck
+ - make distclean > /dev/null
+ - ./configure --disable-dependency-tracking --enable-minimal
+ - make distcheck
+ - ( echo '#include <sodium.h>' ; echo 'int main(void) { return sodium_init(); }' ) > /tmp/main.c && gcc -Isrc/libsodium/include -Isrc/libsodium/include/sodium $(find src -name '*.c' -o -name '*.S') /tmp/main.c
+
+env:
+  global:
+   - secure: "P4qv8aX+nogLlSy0lTMDIR6I5OLXq+qMijB4s+oCLME5BL2xPAn3v0QG5IoHdnU0ncRc1tEYZxN3F48Rp+Q7+wEVqSBLFS3oXzfNHJGEYoiaAcPNWO0R1kF8rcy8AuoAEomNeYS+5vhzQtaXklNtx/250p6MgGuMsdpMsRUKS/U="
+
+addons:
+  coverity_scan:
+    project:
+      name: jedisct1/libsodium
+      version: 1.0.3
+      description: libsodium
+      notification_email: [email protected]
+      build_command_prepend: ./autogen.sh ; ./configure
+      build_command: make -j4
+      branch_pattern: coverity_scan

lib/libsodium/AUTHORS

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+
+Designers
+=========
+
+argon2                                 Alex Biryukov
+                                       Daniel Dinu
+                                       Dmitry Khovratovich
+
+blake2                                 Jean-Philippe Aumasson
+                                       Christian Winnerlein
+                                       Samuel Neves
+                                       Zooko Wilcox-O'Hearn
+
+chacha20                               Daniel J. Bernstein
+
+salsa20                                Daniel J. Bernstein
+
+chacha20poly1305                       Adam Langley
+
+curve25519                             Daniel J. Bernstein
+
+curve25519xsalsa20poly1305             Daniel J. Bernstein
+
+ed25519                                Daniel J. Bernstein
+                                       Bo-Yin Yang
+                                       Niels Duif
+                                       Peter Schwabe
+                                       Tanja Lange
+
+poly1305                               Daniel J. Bernstein
+
+siphash                                Jean-Philippe Aumasson
+                                       Daniel J. Bernstein
+
+scrypt                                 Colin Percival
+
+Implementors
+============
+
+crypto_aead/aes256gcm/aesni            Romain Dolbeau
+                                       Frank Denis
+
+crypto_aead/chacha20poly1305           Frank Denis
+
+crypto_core/curve25519                 Daniel J. Bernstein
+
+crypto_box/curve25519xsalsa20poly1305  Daniel J. Bernstein
+
+crypto_core/hchacha20                  Frank Denis
+
+crypto_core/hsalsa20                   Daniel J. Bernstein
+crypto_core/salsa20
+crypto_core/salsa2012
+crypto_core/salsa208
+
+crypto_hash/sha256                     Colin Percival
+crypto_hash/sha512
+crypto_hash/sha512256
+
+crypto_auth/hmacsha256                 Colin Percival
+crypto_auth/hmacsha512
+crypto_auth/hmacsha512256
+
+crypto_scalarmult/curve25519/ref10     Daniel J. Bernstein
+
+crypto_scalarmult/curve25519/donna_c64 Adam Langley
+
+crypto_scalarmult/curve25519/sandy2x   Tung Chou
+
+crypto_secretbox/xsalsa20poly1305      Daniel J. Bernstein
+
+crypto_sign/ed25519                    Peter Schwabe
+                                       Daniel J. Bernstein
+                                       Niels Duif
+                                       Tanja Lange
+                                       Bo-Yin Yang
+
+crypto_stream/aes128ctr                Peter Schwabe
+
+crypto_stream/chacha20/ref             Daniel J. Bernstein
+
+crypto_stream/chacha20/vec             Ted Krovetz
+
+crypto_stream/salsa20                  Daniel J. Bernstein
+crypto_stream/salsa2012
+crypto_stream/salsa208
+crypto_stream/xsalsa20
+
+crypto_shorthash/siphash24             Jean-Philippe Aumasson
+                                       Daniel J. Bernstein
+
+crypto_generichash/blake2b             Jean-Philippe Aumasson
+                                       Christian Winnerlein
+                                       Samuel Neves
+                                       Zooko Wilcox-O'Hearn
+
+crypto_onetimeauth/poly1305/donna      Andrew "floodyberry" Moon
+
+crypto_onetimeauth/poly1305/sse2       Andrew "floodyberry" Moon
+
+crypto_pwhash/argon2                   Samuel Neves
+                                       Dmitry Khovratovich
+                                       Jean-Philippe Aumasson
+                                       Daniel Dinu
+                                       Thomas Pornin
+
+crypto_pwhash/scryptsalsa208sha256     Colin Percival
+                                       Alexander Peslyak