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Better battery life with phones/tablets.

Theoretically, WireGuard should offer improved performance in the following areas: It is suitable for both small embedded devices like smartphones and fully loaded backbone routers. WireGuard is designed to offer significant improvements in the area of performance:ДЄ combination of extremely high-speed cryptographic primitives and the fact that WireGuard lives inside the Linux kernel means that secure networking can be very high-speed. Speeds can be a limiting factor with VPNs вЂ“ for many different reasons.

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While the smaller code base is indeed an advantage, it also reflects some limitations, as weвЂ™ll discuss below.

Much smaller attack surface in comparison to OpenVPN and IPSec.

Easier to audit = easier to find vulnerabilities, which helps keep WireGuard secure.

One person can read through WireGuardвЂ™s codebase in a few hours. OpenVPN would take a large team many days to audit.

What are the advantages of a smaller code base? IPSec is also bulky at around 400,000 total lines with XFRM and StrongSwan together. This is in stark contrast to OpenVPN and OpenSSL, which combined have around 600,000 lines. WireGuard really stands out in terms of its code base, which is currently about 3,800 lines. You can learn more about WireGuardвЂ™s modern cryptography on the official website or in the technical white paper.

HKDF for key derivation, as described in RFC5869.

BLAKE2s for hashing and keyed hashing, described in RFC7693.

ChaCha20 for symmetric encryption, authenticated with Poly1305, using RFC7539вЂ™s AEAD construction.

WireGuard uses the following protocols and primitives, as described on itsВ website:

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Here are some of the вЂprosвЂ™ that WireGuard offers: Updated encryptionДЄs explained in various interviews, Jason Donenfeld wanted to upgrade what he considered to be вЂњoutdatedвЂќ protocols with OpenVPN and IPSec. Now letвЂ™s begin with the benefits of the WireGuard VPN protocol. We found WireGuard to be about 58% faster than OpenVPN on average, and even faster with nearby servers (450 Mbps). To compare these two protocols, we put together a WireGuard vs OpenVPN guide, which examines speeds, security, encryption, privacy, and the background of each VPN protocol. OpenVPN vs WireGuard вЂ“ OpenVPN is considered the gold standard of VPN protocols by many - but things are changing. WireGuard privacy problems (and solutions).HereвЂ™s what we will cover in this updated WireGuard VPN guide: WeвЂ™ll examine different VPNs that support WireGuard more below. This ensures no identifiable user data (IP addresses) are ever stored on a VPN server. For example, NordVPN supports WireGuard directly in their VPN apps using a Double NAT system. Some VPNs have effectively addressed all privacy concerns. Before using the WireGuard VPN protocol, be sure to examine how your VPN provider ensures user privacy with their WireGuard implementation. WARNING: Right now, WireGuard has some inherent problems that can undermine user privacy if not adequately addressed.

WeвЂ™ll answer all these questions and more in this updated WireGuard VPN guide. So is WireGuard ready for widespread adoption вЂ“ or do the lingering privacy concerns outweigh the potential benefits? While many people discuss the benefits of WireGuard вЂ“ namely faster speeds and upgraded encryption вЂ“ the drawbacks of WireGuard often go ignored. WireGuard is a relatively new VPN protocol that is already bringing big changes to the VPN industry. In this new and updated WireGuard VPN guide, we examine the strengths and weaknesses of this protocol, as well as the best VPNs that support WireGuard. A lot has changed since we first looked at the WireGuard VPN protocol.