gpg --keyserver keyserver.ubuntu.com --recv-keys 0x8657ABB260F056B1E5190839D9C4D26D0E604491 gpg --verify openssl-3.3.0.tar.gz.asc openssl-3.3.0.tar.gz OpenSSL uses a custom configuration script ( ./Configure ) rather than autotools.
# Add to your shell profile export PATH="/opt/openssl-3.3.0/bin:$PATH" export LD_LIBRARY_PATH="/opt/openssl-3.3.0/lib:$LD_LIBRARY_PATH" # Linux # OR for macOS: export DYLD_LIBRARY_PATH="/opt/openssl-3.3.0/lib:$DYLD_LIBRARY_PATH" export PKG_CONFIG_PATH="/opt/openssl-3.3.0/lib/pkgconfig:$PKG_CONFIG_PATH" Verify /opt/openssl-3.3.0/bin/openssl version Part 6: Post-Installation Verification After any installation method, you should verify the installation is functional and secure. 6.1 Basic Version Check openssl version -a This shows version, build date, compiler flags, and directory paths. Pay attention to OPENSSLDIR – it tells you where openssl.cnf is located. 6.2 Test Cryptographic Operations # Generate a random key openssl rand -hex 32 Calculate SHA-256 of a file echo "test" > file.txt openssl dgst -sha256 file.txt Test TLS connection to a remote server openssl s_client -connect google.com:443 -servername google.com how to install openssl
The installed version is hardened by Red Hat with backported security fixes. The openssl version command may show an older base version (e.g., 1.1.1k), but it includes critical patches. 2.3 Arch Linux / Manjaro (pacman) Arch Linux maintains very current packages, often tracking the latest OpenSSL release. gpg --keyserver keyserver