Similar to 暗号ライブラリの比較

OpenSSH

OpenSSL

Openswan

OpenVPN

Ophcrack

Peer-to-peer

Pretty Good Privacy

Proton VPN

ProVerif

PuTTY

Qubes OS

Riseup

S/MIME

Secure Shell

Security Support Provider Interface

Signal Protocol

Silent Circle (software)

SSLeay

StrongSwan

Stunnel

Syskey

Guardian Project (software)

Tox (protocol)

Tuta (email)

VeraCrypt

Virtual private network