Installation
Sodium is a shared library with a machine-independent set of headers, so it can easily be used by 3rd party projects.
The library is built using Autotools, making it easy to package.
Installation is trivial, and both compilation and testing can take advantage of multiple CPU cores.
./configure
make && make check
sudo make install
Since different files are compiled for different CPU classes, and to prevent unwanted optimizations, link-time optimization (LTO) should not be used.
Also, do not enable sanitizers (such as
-fsanitize=signed-integer-overflow). These can introduce side channels.On Linux, if the process hangs at the
make check step, your system PRG may not have been properly seeded. Please refer to the notes in the "Usage" section for ways to address this.Also, on Linux, like any manually installed library, running the
ldconfig command is required to make the dynamic linker aware of the new library.Compilation on Windows is usually not required, as pre-built libraries for MinGW and Visual Studio are available (see below).
However, if you want to compile it yourself, start by cloning the stable branch from the Git repository.
Visual Studio solutions can be then found in the
builds/msvc directory.In order to compile with MinGW, run either
./dist-build/msys2-win32.sh or ./dist-build/msys2-win64.sh for Win32 or x64 targets.git clone https://github.com/Microsoft/vcpkg.git
cd vcpkg
./bootstrap-vcpkg.bat
./vcpkg install libsodium
./vcpkg integrate install
The libsodium port in vcpkg is kept up to date by Microsoft team members and community contributors. If the version is out of date, please create an issue or pull request on the vcpkg repository.
Pre-built x86 and x86_64 libraries for Visual Studio 2017, 2019, and 2022 with
stable additions (see below) are available, as well as pre-built libraries for MinGW32 and MinGW64. Note that pre-built libraries are built with the run-time Multi-threaded (/MT) and not with Multi-threaded DLL (/MD).They include header files as well as static (
.LIB) and shared (.DLL) libraries for all the supported compiler versions.Projects willing to statically link Sodium must define a macro named
SODIUM_STATIC. This will prevent symbol definitions from being referenced with __dllexport.The library can be cross-compiled. This is an example of cross-compiling to ARM using the GNU tools for ARM embedded processors:
export PATH=/path/to/gcc-arm-none-eabi/bin:$PATH
export LDFLAGS='--specs=nosys.specs'
export CFLAGS='-Os'
./configure --host=arm-none-eabi --prefix=/install/path
make install
make check can also build the test apps, but these have to be run on the native platform.Note:
--specs=nosys.specs is only required for the ARM compilation toolchain.Please note that using libsodium on ARM Cortex M0, M3, and M4 CPUs is untested and not recommended if side-channels are a concern.
Releases can be compiled using the CompCert compiler.
A typical command to compile Sodium on a little-endian system with CompCert is:
$ env CC=ccomp CFLAGS="-O2 -fstruct-passing" ./configure --disable-shared && \
make && sudo make install
Compilation for the current target:
$ zig build -Drelease-fast
Size-optimized builds:
$ zig build -Drelease-small
Cross-compilation:
$ zig build -Drelease-fast -Dtarget=aarch64-windows
$ zig build -Drelease-fast -Dtarget=riscv64-linux
$ zig build -Drelease-fast -Dtarget=wasm32-wasi
We recommend using distribution tarballs over cloning the libsodium Git repository, especially since tarballs do not require dependencies, such as Libtool and Autotools.
However, if cloning a Git repository happens to be more convenient, the stable branch always contains the latest stable release of libsodium, plus minor patches that will be part of the next version and critical security fixes while new packages including them are being prepared.
Code in the
stable branch also includes generated files, and does not require the autotools (Libtool, Autoconf, and Automake) to be present.To check out the stable branch, use:
git clone https://github.com/jedisct1/libsodium --branch stable
Tarballs of the
stable code are also available for download and recommended if you are compiling libsodium from source.RWQf6LRCGA9i53mlYecO4IzT51TGPpvWucNSCh1CBM0QTaLn73Y7GFO3The
.minisig file should be present in the same directory as the main file. The typical command to verify a file is:minisign -VP RWQf6LRCGA9i53mlYecO4IzT51TGPpvWucNSCh1CBM0QTaLn73Y7GFO3 -m <file>
Or with GnuPG and the following RSA key:
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-----END PGP PUBLIC KEY BLOCK-----
We encourage users and researchers to use PGP encrypted emails to transmit confidential details regarding possible vulnerabilities in the Sodium library.
Details should be sent to j [at] pureftpd [dot] org using the PGP key above.
Last modified 13d ago