StrongSwan

strongSwan
Developer(s)Andreas Steffen, Martin Willi & Tobias Brunner
Stable release
v6.0.0 / December 3, 2024 (2024-12-03)
Repository
Written inC
Operating systemLinux, Android, Maemo, FreeBSD, macOS, Windows
PredecessorFreeS/WAN
TypeIPsec
LicenseGNU General Public License
Websitestrongswan.org

strongSwan is a multiplatform IPsec implementation. The focus of the project is on authentication mechanisms using X.509 public key certificates and optional storage of private keys and certificates on smartcards through a PKCS#11 interface and on TPM 2.0.