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patch 8.2.3022: available encryption methods are not strong enough

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Problem:    Available encryption methods are not strong enough.
Solution:   Add initial support for xchaha20. (Christian Brabandt,
            closes #8394)
This commit is contained in:
Christian Brabandt
2021-06-20 14:02:16 +02:00
committed by Bram Moolenaar
parent 208f0b48b2
commit f573c6e1ed
29 changed files with 820 additions and 64 deletions
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37
src/configure.ac
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@@ -3767,6 +3767,43 @@ if test "$enable_canberra" = "yes"; then
AC_MSG_RESULT(no; try installing libcanberra-dev); CFLAGS="$ac_save_CFLAGS"; LIBS="$ac_save_LIBS")
fi
AC_MSG_CHECKING(--enable-libsodium argument)
AC_ARG_ENABLE(libsodium,
[ --disable-libsodium Do not use libsodium.],
, [enable_libsodium="maybe"])
if test "$enable_libsodium" = "maybe"; then
if test "$features" = "big" -o "$features" = "huge"; then
AC_MSG_RESULT(Defaulting to yes)
enable_libsodium="yes"
else
AC_MSG_RESULT(Defaulting to no)
enable_libsodium="no"
fi
else
AC_MSG_RESULT($enable_libsodium)
fi
if test "$enable_libsodium" = "yes"; then
if test "x$PKG_CONFIG" != "xno"; then
libsodium_lib=`$PKG_CONFIG --libs libsodium 2>/dev/null`
libsodium_cflags=`$PKG_CONFIG --cflags libsodium 2>/dev/null`
fi
if test "x$libsodium_lib" = "x"; then
libsodium_lib=-lsodium
libsodium_cflags=
fi
AC_MSG_CHECKING(for libcanberra)
ac_save_CFLAGS="$CFLAGS"
ac_save_LIBS="$LIBS"
CFLAGS="$CFLAGS $libsodium_cflags"
LIBS="$LIBS $libsodium_lib"
AC_TRY_LINK([
# include <sodium.h>
], [
printf("%d", sodium_init()); ],
AC_MSG_RESULT(yes); AC_DEFINE(HAVE_SODIUM),
AC_MSG_RESULT(no; try installing libsodium-dev); CFLAGS="$ac_save_CFLAGS"; LIBS="$ac_save_LIBS")
fi
dnl fstatfs() can take 2 to 4 arguments, try to use st_blksize if possible
AC_MSG_CHECKING(for st_blksize)