473e1718cc
ptr = sodium_malloc(size) returns a pointer from which exactly "size" bytes can be accessed. ptr = sodium_allocarray(count, size) allocates enough storage space for "count" pointers or scalars of unit size "size". In both cases, the region is immediately followed by a guard page. As a result, any attempt to access a memory location after ptr[size - 1] will immediately trigger a segmentation fault. The allocated region is mlock()ed and filled with 0xd0 bytes. A read-only page with the size, a guard page, as well as a canary are placed before the returned pointer. The canary is checked by sodium_free(); as a result, altering data right before ptr is likely to cause sodium_free() to kill the process. sodium_free() munlock()s the region and fills it with zeros before actually calling free(). sodium_mprotect_noaccess(), sodium_mprotect_readonly() and sodium_mprotect_readwrite() can be used to change the protection on the set of allocated pages. Reverting the protection to read+write is not required before calling sodium_free().
117 lines
1.9 KiB
Plaintext
117 lines
1.9 KiB
Plaintext
*.cmake
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*.dSYM
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*.exp
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*.la
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*.lo
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*.log
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*.o
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*.plist
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*.scan
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*.sdf
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*.status
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*.tar.*
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*~
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.DS_Store
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.deps
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.dirstamp
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.done
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.libs
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Build
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INSTALL
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Makefile
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Makefile.in
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aclocal.m4
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autom4te.cache
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build
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compile
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confdefs.h
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config.*
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configure
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depcomp
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android-toolchain
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install-sh
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libtool
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libsodium.pc
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libsodium-*
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ltmain.sh
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m4/argz.m4
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m4/libtool.m4
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m4/ltoptions.m4
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m4/ltsugar.m4
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m4/ltversion.m4
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m4/lt~obsolete.m4
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man/*.html
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man/Makefile.in
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missing
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src/curvecp/curvecpclient
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src/curvecp/curvecpmakekey
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src/curvecp/curvecpmessage
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src/curvecp/curvecpprintkey
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src/curvecp/curvecpserver
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src/libsodium/*.def
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src/libsodium/include/sodium/version.h
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stamp-*
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test/default/*.res
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test/default/*.trs
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test/default/aead_chacha20poly1305
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test/default/auth
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test/default/auth2
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test/default/auth3
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test/default/auth5
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test/default/auth6
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test/default/auth7
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test/default/box
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test/default/box2
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test/default/box7
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test/default/box8
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test/default/box_easy
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test/default/box_easy2
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test/default/box_seed
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test/default/chacha20
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test/default/core1
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test/default/core2
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test/default/core3
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test/default/core4
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test/default/core5
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test/default/core6
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test/default/ed25519_convert
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test/default/generichash
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test/default/generichash2
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test/default/generichash3
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test/default/hash
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test/default/hash3
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test/default/onetimeauth
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test/default/onetimeauth2
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test/default/onetimeauth7
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test/default/pwhash
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test/default/pwhash_scrypt_ll
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test/default/randombytes
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test/default/scalarmult
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test/default/scalarmult2
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test/default/scalarmult5
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test/default/scalarmult6
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test/default/secretbox
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test/default/secretbox2
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test/default/secretbox7
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test/default/secretbox8
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test/default/secretbox_easy
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test/default/secretbox_easy2
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test/default/shorthash
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test/default/sign
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test/default/sodium_core
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test/default/sodium_utils
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test/default/sodium_utils2
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test/default/sodium_utils3
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test/default/sodium_version
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test/default/stream
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test/default/stream2
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test/default/stream3
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test/default/stream4
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test/default/verify1
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test-driver
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testing
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android-toolchain-*
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libsodium-android-*
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/bin/
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/obj/
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