We will deploy WireGuard on top of the OpenBSD Operating System (OS) in Vultr. This means all data could be recovered in clear-text from recording traffic and breaking the public-key scheme. Today’s encrypted communication is being stored by (nation-state) attackers and can be decrypted years later with these quantum computers. ![]() An attacker can potentially break currently used encryption algorithms such as RSA and ECC with the help of quantum computing. This means traditional cryptographic algorithms such as RSA, AES and HMAC, which are used in OpenVPN, are no longer used in WireGuard. WireGuard relies on "quantum-resistant" crypto. Keep in mind that these keys should be communicated by an out-of-band method, similar to how one deals with SSH keys. Public keys are used to authenticate to the VPN server. The WireGuard server holds a private key and a list of nodes. Crypto key routing associates public keys with a list of IP-addresses. This feature is referred to as crypto key routing. ![]() A WireGuard VPN (Virtual Private Network) connection is established by exchanging public keys. WireGuard creates an encrypted network tunnel operating at layer 3 of the OSI model as a kernel virtual network interface. ![]() Cryptsus Blog | We craft cyber security solutions.
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